Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
The Influence of Holothuriaatra(Echinodermata: Holothuroidea)on Organic Matter Assimilation, Ammonification and Nitrification Rate of Sediment.Hurghada,Red Sea, Egypt.
1
15
EN
E.E.
Shabana
1 Egyptian Environmental Affairs Agency, Hurghada Branch, Red Sea, Egypt.
miarmetwaly@gmail.com
W.
M.
El Kazzaz
Botany Department, Faculty of Science, Suez Canal University, Egypt
M.
R.
Dar
National Institute of Oceanography and Fisheries, Hurghada, Red Sea, Egypt.
A.
Dewedar
Botany Department, Faculty of Science, Suez Canal University, Egypt
10.21608/jsrs.2018.25515
This study was undertaken to investigate the effect of sea-cucumber (<em>Holothuriaatra</em>) population density on sea bottom sediment; redox potential, Total organic matter (TOM) assimilation, ammonification and nitrification activity. In protected aquaculture ponds at National Institute of Oceanography and Fisheries (NIOF), Four treatments of high population density (108 individuals/HPDP of 30m<sup>2</sup>), mediumpopulation density (54 individuals/MPDP of 30m<sup>2</sup>), low population density (18 individuals/LPDP of 30m<sup>2</sup>) and reference (RP; Empty of<em>H.atra</em>). Intestinal (Foregut and hindgut) of <em>H. atra</em> and ambient sediment samples were used. The data showed that presence of <em>Holothuriaatra</em> increase the Redox Potential of sediment and kept its characteristics in the oxidized form which enhanced the biological activities.The TOM decreased by16.04% (22.32% to 6.28%); 5.34% (10.54% to 5.2%); 3.02 % (8.02% to 5.0%) and 3.61% (8.35% to 4.74%) in HPDP, MPDP, LPDP and reference pond respectively. The maximum monthly mean of ammonia was 6.93µgg<sup>-1 </sup>in HPDP and the lowest mean was 0.09µg g<sup>-1</sup> in recorded in LPDP. Ammonia and nitrate concentrations in the ponds of <em>H. atra</em>wereslightly reduced compared with the RP while nitrite concentration followed different pattern. The highest count of ammonifying,ammonium oxidizing and nitrite oxidizing bacteria were 1100 MPN/g, 460 MPN/g and64 MPN/g recorded in foregut contents.Meanwhile the lowest count was31.5 MPN/g, 20 MPN/g and 6.75 in RP, hindgut contents and LPDP respectively.The highest Ammonification and nitrification activity were36.69 µg/g/h and 1.19 µg/g/hrecorded in HPDP meanwhile, the lowest values were 7.38 µg/g/h and0.07 µg/g/h in RP. Ammonification rate and nitrification rate in foregut were higher than in hindgut contents and the ambient sediment. Data analysis showed ammonia–N; nitrate-N and nitrite-N concentration varied non significantly with <em>H. atra</em> population density (p˃0.05) while a highly significant effect recorded with oxidation reduction potential (Eh) and Nitrification activity (p<0.01) and significant effect on TOM matter and Ammonification rate (p<0.05). This study emphasizes the ecological role of the most dominant holothurians species, <em>H. atra</em>, especially in relation to organic matter assimilation, through its associated bacteria that enhance ammonification and nitrification processes in sediment.
<strong> </strong>
Holothuriaatra,Total organic matter,Ammonification rate,Nitrification rate
https://jsrs.journals.ekb.eg/article_25515.html
https://jsrs.journals.ekb.eg/article_25515_43636631b3ef57e5c084a126a8e6dacc.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Floristic diversity and vegetation analysis ofMalva parviflora L. Populations in Egypt
439
465
EN
Hend
Abdelatti
Botany Department-Faculty Of Women–Ain Shams University
helzlatene@yahoo.co.uk
Zynab
A.
Abdelgawad
Botany Department-Faculty Of Women–Ain Shams University
Soad
A.
Shaetawi
Botany Department-Faculty Of Women–Ain Shams University
Tarek
M.
Galal
Botany Department -Faculty Of Science – Helwan University
Ahmed
A.
Khalafallah
Botany Department-Faculty Of Women–Ain Shams University
10.21608/jsrs.2018.25519
The present work aimed to study the distribution, floristic diversityand vegetation analysis of associated florasto<em>Malva parviflora</em> populationeight governorates in Egypt,.One hundred and fifty one stands (10m X 10m) were surveyed in late autumn to early spring (2014-2015 and 2015-2016). The present results reviled that <em>Malva parviflora</em> population were distributed in 12 habitats; canal banks, fallow land, desert, desert road sides, Agriculture road sides, railway, cultivated plants, cultivated crops, ditches, salt marches, reclaimed lands and orchards.One hundred and forty one belonging to 48 genera and 35 families were recorded associated with <em>M. parviflora</em>. The dominant families were Poaceae, Asteraceae, Chenopodiaceae, Fabaceae and Brassicaceae. Annuals recorded the highest number of species (88 species) while perennials were represented by 53 species. Therophytes were the dominant life form represented by 88 species while pluri-regional elements represented the dominant floristic category (30% of the total species). The application of TWINSPAN on the cover estimates of 141 associated species recorded in the 151 sampled stands of <em>M. parviflora</em>, led to the recognition of 14 vegetation groups. <em>Chenopodium murale-Cynodon dactylon</em> (VG H)had the highest number of species (75 species), species turnover and Shannon index (8.4 and 3.6). It is clear from the study that <em>Malva parviflora</em>plants have high elasticity to grow in diverse habitat and rich in plant diversity and is a resource for many plant species of environmental, economic and medical importance, which indicates its importance.
Malva parviflora Population,Species diversity,Vegetation Analysis,TWINSPAN
https://jsrs.journals.ekb.eg/article_25519.html
https://jsrs.journals.ekb.eg/article_25519_c26763129477faada71145857e76c992.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Selective determination of dopamine by novel electrochemical sensors based on nickelnano particles
142
160
EN
Eman
Salem
Chemistry Department, Faculty of Science, Ain-Shams University, Cairo, Egypt
emy_sm18@yahoo.com
Hamdy
H.
Hassan
Chemistry Department, Faculty of Science, Ain-Shams University, Cairo, Egypt
Ibrahim
H.
Badr
Chemistry Department, Faculty of Science, Ain-Shams University, Cairo, Egypt
ibadr1@gmail.com
10.21608/jsrs.2018.25521
Two types of dopamine sensitive and selective electrodes were prepared based on nano nickel modified glassy carbon electrode (nano-Ni-nafion/GCE) and nano nickel modified graphite electrode (nano-Ni-nafion/GE). Nafion film was proven to enhance the selectivity of dopamine (DA) against ascorbic acid (AA). The substrate (i.e., glassy carbon or graphite) was first coated with nafion film. Then electrodepositionof nickel nanoparticles was carried out under anodic conditions and directly from 0.1 M NaOH solutions containing 12 mMgluconate and 12 mM NiSO<sub>4</sub>using cyclic voltammetry in a potential window between –0.1 and 1.1 V vs. Ag/AgCl.The response of the prepared modified electrodestowardsdopaminewas found to be linear in the concentration range 1-2000 ppm with a detection limit of 1.62 µM (nano-Ni-nafion/GCE) and 0.29µM (nano-Ni-nafion/GE). DA sensors exhibited a sensitivity of 13.8,61.3 mA mol<sup>-1</sup>Lfor nano-Ni-nafion/GCE and nano-Ni-nafion/GE, respectively. A recovery study of DA using the optimized DA sensors indicated an average recovery of 97.9% (nano-Ni-nafion/GCE) and 99.2% (nano-Ni-nafion/GE).
<strong> </strong>
Dopamine,Cyclic voltammetry,Sensors,NiSO4,Glassy carbon electrode,graphite electrode
https://jsrs.journals.ekb.eg/article_25521.html
https://jsrs.journals.ekb.eg/article_25521_d41d8cd98f00b204e9800998ecf8427e.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Purification of Industrial Wastewater from Methylene Blue (MB) Dye Using Organic and Inorganic Sol–gel Glasses
400
416
EN
Hayam
F.
Mohamed
ChemistryDepartment,Faculty of Women for Arts, Science and Education, Ain Shams University, 1 AsmaaFahmy Street, Heliopolis 11757, Cairo, Egypt.
boshra.awad@women.asu.edu.eg
Boshra
M.
Awad
ChemistryDepartment,Faculty of Women for Arts, Science and Education, Ain Shams University, 1 AsmaaFahmy Street, Heliopolis 11757, Cairo, Egypt.
awadboshra1@gmail.com
Shahinaz
Abd El RahmanI
Chemistry Department, The American University in Cairo, AUC Avenue, P.O. Box 74, New Cairo 11835, Egypt
Mayyada
M.
El-Sayed
Chemistry Department, The American University in Cairo, AUC Avenue, P.O. Box 74, New Cairo 11835, Egypt
10.21608/jsrs.2018.25522
Organic and inorganic-doped sol-gel glasses have been synthesized via thermal followed by microwave treatment. Tetramethoxysilane (TMEOS) was used as a precursor, whereas dopants used were Neodymium oxide, Urea (carbamide) or Thiourea (thiocarbamide) and the obtained formulations werereferred as Nd, U, and THU, respectively along with the undoped or plain glass (P). Colors of the as-prepared sol-gel glasses ranged from transparent colorless (P) to opaque dark purple (Nd). The latter colorcould be owed to the presence of the inorganic transition element oxide (Nd<sub>2</sub>O<sub>3</sub>).In addition, THU had the smallest particle size range (< 250 microns), whereas the other three sol-gel glasses had larger particle sizes ranging from 250- 630 microns.Thesynthesized sol-gel glasses were tested for their capacity to adsorb and remove Methylene Blue (MB) dye from aqueous solutions. Uexhibited the highestsorptioncapacitiesof 12.6 and 2.6 mg/g with removal efficiencies of 50.3 % and 83.2 %at 12 and 2 mg/L MB, respectively.These values were almost twice and 1.7 times those obtained by P at the higher and lower MB concentrations, respectively which indicates that doping with urea enhanced sorption through introducing new functional groups.Fourier transform Infrared (FTIR)spectroscopy revealed that carbonyl group on urea could be responsible for adsorption via electrostatic interaction between the negatively charged carbonyl oxygen of urea and the positively charged nitrogen or sulfur on MB, or through redox reactions between them.
<em> </em>
Sol-gel glasses,Microwave irradiation,urea,thiourea,Neodymium,Adsorption,methylene blue,network,Industrial Wastewater purification
https://jsrs.journals.ekb.eg/article_25522.html
https://jsrs.journals.ekb.eg/article_25522_b97ddd2a1695598b347d37e5bbb58385.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Machine Learning Techniques for analysis of Egyptian Flight Delay
390
399
EN
hanaa
Maher
Mohamed
1Internet Dev.Dept. Manager of IT Sector,EGYPTAIR Holding Cooperation, Cairo, Egypt
hanaa_maher@egyptair.com
Shahinaz
M.
Al-Tabbakh
Computer Science Group, Faculty of Women for Sciences, A. and Education, Ain Shames University, Cairo-Egypt.
shahinaz.altabbakh@women.asu.edu.eg
H.
El-Zahed
Faculty of Women for Sciences, A. and Education, Ain Shames University, Cairo-Egypt.
helzahed@gmail.com
10.21608/jsrs.2018.25523
<em>Flight delay has been the fiendish problem to the world's aviation industry, so there is very important significance to research for computer system predicting flight delay propagation. Extraction of hidden information from large datasets of raw data could be one of the ways for building predictive model. This paper describes the application of classification techniques for analysing the Flight delay pattern in Egypt Airline’s Flight dataset.In this work, four decision tree classifiers were evaluated and results show thatthe REPTree have the best accuracy 80.3%with respect to Forest, StumpandJ48.However, four rules based classifiers were compared and results show that PART provides best accuracy amongstudied rule-based classifiers withaccuracy of 83.1%.By analysing runningtime for all classifiers, the current work concluded that REPtree is the most efficient classifier with respect to accuracy and running time. Also,thecurrent work is extended to apply of Apriori association technique to extract some important information about flight delay. Association rules are presented and association technique is evaluated.</em>
<strong> </strong>
Airlines,Flight delay,WEKA,Bigdata,Data mining,classification Algorithms,J48,Random Forest,Decision Stump,Ripper rule,Association Rules,Apriori,Confusion matrix
https://jsrs.journals.ekb.eg/article_25523.html
https://jsrs.journals.ekb.eg/article_25523_5a42548a7a590b1098b43e9dfcc64905.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Synthesis and characterization of Li2O modified sodium phosphate glasses
417
438
EN
H.
Zayed
Physics Department, Faculty of Women, Ain Shams University, Cairo, Egypt
dr.mohamed_essam@yahoo.com
M.
E.
Sayed
Physics Department, Modern Academy for Engineering and Technology in Maadi, Cairo, Egypt
M.
M.
Elokr
Physics Department, Faculty of Science, Al-Azhar University, Cairo, Egypt
L.
I.
Soliman
National Research Center, Dokki, Cairo, Egypt
10.21608/jsrs.2018.25524
The transparent glasses 55 P<sub>2</sub>O <sub>5 </sub>- (45-x) Na<sub>2</sub>O - xLi<sub>2</sub>O where (x=0, 3, 10, 15, 30, 35) were prepared by conventional melt quenching technique. Structural and characterization have been investigated by using X-Ray diffraction (XRD) and the results show that all samples are amorphous structure. The glass transition (T<sub>g</sub>) and crystallization temperature (T<sub>c</sub>) are evaluated using the differential thermal analyzer (DTA), which indicate that 15 mol% Li<sub>2</sub>O contained glasses exhibits maximum thermal stability h’ of glass samples. Density, molar volume and oxygen packing density insure that Li<sub>2</sub>O incorporated in sodium phosphate glass by increasing Li<sub>2</sub>O content. The ac and dc electrical conductivity and dielectric constants of the prepared glass samples have been investigated. The variation of dc conductivity with the concentration of Li<sub>2</sub>O mol% passes through a maximum at 15 mol% Li<sub>2</sub>O. Temperature dependence of the dc conductivity of these glasses is found to obey the Arrhenius law. It reveals that the values of activation energies ΔE<sub>dc1</sub> and ΔE<sub>dc2 </sub>at low and high temperatures lie in the range 0.452-0.93 eV. Also it was found that the values of σ<sub>dc</sub> to be the same as the values obtained from the impedance study. Conductivity mechanism for grain resistance at room temperature was discussed using Cole-Cole plot. To determine the conduction mechanism, the ac conductivity and its frequency exponent have been analyzed by correlated barrier hoping model (CBH). It was found that the exponent (s) has values between 0.62-0.9; consequently the (CBH) seems to be the most interesting model related to the obtained results. The variation of dielectric constants ε’ and ε’’ with the concentration of Li<sub>2</sub>O mol% pass through a maximum at 15 mol% Li<sub>2</sub>O and this result would be discussed by means of dielectric polarization mechanism of material. The maximum value of the maximum barrier height W<sub>m</sub> obtained from Guitini equation was found to increase with increasing of Li<sub>2</sub>O mol%.
Sodium Phosphate glass,Thermal analysis,electrical conductivity
https://jsrs.journals.ekb.eg/article_25524.html
https://jsrs.journals.ekb.eg/article_25524_76016dc4bbbc21b6d386f08c748eb431.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
The effect of gamma irradiation on the quality and natural antioxidants of fenugreek and lupine seeds in hyperlipidemic rats
371
389
EN
Amal
Abd El-Aziz
Mansour
National Center for Radiation Research and Technology (NCRRT). Atomic Energy Authority , Cairo, Egypt.
amal_mansour80@yahoo.com
Bakinam
Ali
Mohammed
Biochemistry and Nutrition Department, Women's College for Arts, Science and Education, Ain Shams University, Cairo, Egypt.
Fatma
Hassan
Abd El-Razik
Biochemistry and Nutrition Department, Women's College for Arts, Science and Education, Ain Shams University, Cairo, Egypt.
10.21608/jsrs.2018.25526
The present study aims to evaluate the effect of gamma irradiation on thequality and natural antioxidants of fenugreek (<strong><em>Trigonellajoenum-greacum</em></strong>) and lupine <em>(<strong>lupinus terms</strong>)</em> seeds at dose levels of 10 and 20 kGy in hyperlipidemic rats. Rats were divided into: group (1) fed on balanced diet (negative control), group (2) fed on high fat high cholesterol (HFHC) diet (positive control), groups (3,4,5,6,7 and 8) fedon HFHC diet with either 15% non-irradiated or irradiated at dose levels of 10 or 20 kGy fenugreek or lupine seeds, respectively for eight weeks. The resultsshowed that the applied doses of non-irradiated or irradiated fenugreek or lupine seeds at dose levels of 10 or 20 kGywere significant decrease in relative liver weight except for group (3), PER except for group (4), food intake, final body weight, gain in body weight, serum alanine amino transferase (ALT), serum aspartate amino transferase (AST), total cholesterol, triacylglycerol, low density lipoprotein-cholesterol (LDL-C), malodialdehyde and nitric oxide. On the other hand, it was observed that there were significant increase in FER except for group (5), blood hemoglobin, high density lipoprotein-cholesterol (HDL-C), superoxide dismutase (SOD), glutathione peroxidase (GPX) and catalase (CAT)when compared with HFHC diet (group 2).
Fenugreek seeds,lupine seeds,HFHC diet,antioxidants,Irradiation
https://jsrs.journals.ekb.eg/article_25526.html
https://jsrs.journals.ekb.eg/article_25526_e3f09f0fed6ca6726ec27e3c178e3512.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Effect of Phytic Acid and/orAscorbic Acid to Mitigate Manganese Toxicityin Experimental Animals
358
370
EN
Samar
Lotfy
Mahmoud
Biochemistry and Nutrition Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
Enas
Ali
Kamel
Biochemistry and Nutrition Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
Tahany
E.
Kholief
Biochemistry and Nutrition Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
Anhar,
M.
Gomaa
Biochemistry Department, Research Institute of Ophthalmology, Cairo, Egypt.
10.21608/jsrs.2018.25527
This study was conducted to investigate the effect of manganese toxicityby manganese chloride (MnCl<sub>2</sub>) on the experimental animals and to evaluatethe efficacy of phytic acid and/orascorbic acid in attenuating the deleterious effect induced by manganese toxicity. For this purpose,thirty healthy rabbits weighing 1655±367.07g were divided into five groups each of six rabbits. Group 1<strong>; </strong>rabbits fed on commercial diet and normal water served as normal control; group 2; rabbits fed on commercial diet and received 200mg/L of MnCl<sub>2</sub> in drinking water. Group 3; rabbits received MnCl<sub>2</sub> in drinking water (200mg/L) and fed on commercial diet supplemented with phytic acid(20 g /kg diet). Group 4; rabbits fed on commercial diet and received 200mg/L MnCl<sub>2</sub> in drinking water and orally administrated with ascorbic acid (30mg/kg body weight daily).Group 5; rabbits received MnCl<sub>2</sub> in drinking water (200mg/L) and fed phytic acid (20 g /kg diet)and orally administrated ascorbic acid (30mg/kg body weight daily) by intragastric tube. Results showed that MnCl<sub>2</sub> intoxication significantlyreducedhaemoglobin (Hb) concentrationand serum iron with a significant increase in total iron binding capacity. Also, it induced a significant increase in malondialdehyde (MDA) level accompanied bya significant decrease in reduced glutathione (GSH) concentration and superoxide dismutase (SOD) activity. Moreover, MnCl<sub>2</sub>intoxication caused a significant increase in serum alanine transaminase (ALT), aspartate transaminase (AST) activities. Also, serum urea and creatinine significantly elevated in MnCl<sub>2-</sub>intoxicated group.An improvement was noticed in these altered parameters after oral administration ofphytic acid and/or ascorbic acid.
Manganese toxicity,phytic acid,ascorbic acids,Oxidative Stress
https://jsrs.journals.ekb.eg/article_25527.html
https://jsrs.journals.ekb.eg/article_25527_d739e19cd6fb39e5853e528f27ae58b7.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Morphological and Anatomical Studies on Some Taxa of Sub Family Malvoideae (Malvaceaes.l)
371
389
EN
Wafaa
M.
Said
AinShams University,Faculty of Womens for Arts,Science ,and Education,Botany Department
Zeinab
M.
Ahmed
AinShams University,Faculty of Womens for Arts,Science ,and Education,Botany Department
Thoria
R.
Mohamed
AinShams University,Faculty of Womens for Arts,Science ,and Education,Botany Department
10.21608/jsrs.2018.25528
Morphological and anatomical studies were carried out on four ( two wild and two cultivated) species belonging tosub family Malvoideae (Malvaceae <em>s.l)</em> and collected from different regions in Egypt to assess the diagnostic value of these characters in taxa delimitation .The results obtained using UPGMA clustring method from analysis of 71 macro-& micro morphological characters resulting in a dendogram which indicated a close taxonomic relationship between <em>Hibiscus esculentus</em> and <em>Hibiscus sabdariffa</em> more than <em>Malva parviflora </em>with similarity index (76% and 75% respectively ). Dissimilarity was recorded in <em>Sida spinosa</em> from the other three species <em>,</em>it distinguished by high genetic diversity based on variation in morphological and anatomical features <em>.</em>The studied species were analyzedfor assessment of taxonomic interrelationship among them.
Malvoideae,Morphology,anatomy,Numerical analysis
https://jsrs.journals.ekb.eg/article_25528.html
https://jsrs.journals.ekb.eg/article_25528_9a70f4e5ce4cd2223c3fc334c535c5a4.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Inhibition of Biofilm Formation in Some Pathogenic Gram Negative Bacteria by Anti-quorum Sensing Compounds
330
344
EN
Fatma,
A.A.
Shaban
Botany department, Faculty of women for Arts, Science and Education, Ain Shams University.
fatma.abdeltawab@women.asu.edu.eg
Zeinab.
M.
H.Kheiralla
Botany department, Faculty of women for Arts, Science and Education, Ain Shams University
Abeer,
A.
Rushdy
Botany department, Faculty of women for Arts, Science and Education, Ain Shams University
Khaled,
Z.
El-Baghdady
Botany department, Faculty of women for Arts, Science and Education, Ain Shams University
10.21608/jsrs.2018.25529
The present study included collecting of 125 clinical bacterial isolates from different sources such as pus, sputum, nasal polyps, urine and blood. The collected bacterial isolates were preliminary identified by biochemical tests as 44 <em>Pseudomonas</em> spp., 35<em>Klebsiella</em> spp., 18<em>E. coli</em>, 17 <em>Acinetobacter</em> spp., 8 <em>Proteus</em> spp. and 3<em>Enterobacter</em> spp., The test for biofilm formation in these isolates was carried out by using three different methodsthat finally resulted in 27 positive biofilm forming isolates. Production of quorum sensing signal molecules (acyl homoserine lactone) was detected in 20 isolatesusing gas chromatography mass spectrum (GC/MS); These isolates were 3 <em>Pseudomonas</em> spp., 6 <em>Klebsiella</em> spp., 8 <em>E. coli</em> and 3 <em>Enterobacter</em> spp.,The anti-biofilm activity of some plant extracts was carried out using tube method. It showed that <em>Syzygiumaromaticum</em> was the most effective one and inhibited biofilm formation in all isolates followed by <em>Allium sativum.Syzygiumaromaticum</em> extract also inhibited quorum sensing production in the selected 20 bacterial isolates. From the above results,<em>Syzygiumaromaticum</em>extract was recommended to be used as an active antibacterial agent against multidrug resistant bacteria due to its ability to inhibit biofilm formation and quorum sensing signal production.Finally, the most potent bacterial isolates were genetically identified by 16S rRNA gene sequencing.
Quorum sensing,Acyl homoserine lactone,Gram Negative bacteria&Biofilm
https://jsrs.journals.ekb.eg/article_25529.html
https://jsrs.journals.ekb.eg/article_25529_7027fe3c75ff02faca71f2b3a41f1b01.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Resistance of alkali-activated slag to sulphate attack and elevated temperatures
315
329
EN
Ayaallah
mahmoud
Chemistry Dep., Faculty of Girls, Ain Shams University, Cairo, Egypt.
ayaallah.mahmoud@yahoo.com
Essam
A.
Kishar
Professor of inorganic chemistry, 2 Assistant prof. of inorganic chemistry, 3 Assistant lecture of inorganic and analytical chemistry
essamkishar@hotmail.com
Doaa
A.
Ahmed
Chemistry Dep., Faculty of Girls, Ain Shams University, Cairo, Egypt
10.21608/jsrs.2018.25530
Thermal stability as well as sulphate resistance of alkali activated slag (AAS) pastes prepared from Ground Granulated Blast Furnace Slag (GGBFS) and 5% fly ash (FA)are examined. AAS pastes are accelerated using alkaline solution of sodium hydroxide with concentration 1, 1.5 and 2 M and sodium silicate with fixed concentration (0.28 mol/Kg).AAS pastes exposed to 5% MgSO<sub>4</sub> solution and to high temperature (200, 400, 600 and 800 <sup>o</sup>C). The compressive strength, bulk density, total porosity, chemically combined water content and phase composition are determined in this study. Concentration of 2M NaOH with 5% FA promotes the best properties of AAS pastes that exhibit the highest resistance to firing up to 400<sup>o</sup>C by achieving the greatest compressive strength. However, AAS pastes activated by 2M NaOHgive a high sulphate resistance.
Alkali activated slag,Fly Ash,Geopolymer materials,Sulphate and fire resistance
https://jsrs.journals.ekb.eg/article_25530.html
https://jsrs.journals.ekb.eg/article_25530_396a9cae3fb5b7505c6c2e41f670ef35.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Preparation and evaluation of (resorcinol – aldehyde) based polymeric dispersants for inkjet printing ink
298
314
EN
Ahmed
S.
Ahmed
R&D Department, Degla chemicals, Cairo, Egypt
a.sayed@deglachem.com
Nadia
G.
Kandile
Chemistry Department, Faculty of Women, Ain-Shams University, Cairo, Egypt
Nabel
A.
Negm
Petrochemical Department, Egyptian petroleum research institute, Cairo, Egypt
10.21608/jsrs.2018.25531
In this study, modification of an amino polyether with resorcinol-aldehyde condensate was performed using four different aldehydes [formaldehyde, glutaraldehyde, butyraldehyde and 4-(N,N-dimethylamino)benzaldehyde] to give dispersants (1 – 5) to be used as dispersing agents for solvent based inkjet inks. The prepared dispersing agents were characterized using FT-IR and GPC. The optical properties and stability efficiency of the ink formulated with the prepared dispersing agents were investigated. The dispersants (1-5) were evaluated for their efficiency in comparison to commercial dispersing agents used in the market. Formulations of dispersants 4 and 5 showed excellent results in comparison to the commercial dispersing agents and have a good potential as effective dispersing agents for solvent based inkjet inks.
Resorcinol,Aldehyde,Inkjet inks,dispersing agent,Pigment
https://jsrs.journals.ekb.eg/article_25531.html
https://jsrs.journals.ekb.eg/article_25531_a787ad422e627d28eb967b8d2c6edb06.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Spectroscopic studies of nanometric Zinc Oxide
287
297
EN
neveen
M.
Hamed
Faculty of Women for Art, Science and Education, physics department, Ain Shams University
neveenmahmoud32@gmail.com
A.
B.
EL-Bialy
Faculty of Women for Art, Science and Education, physics department, Ain Shams University
S.
S.
Hamed
Faculty of Women for Art, Science and Education, physics department, Ain Shams University
S.
Abd El-Mongy
Faculty of Women for Art, Science and Education, physics department, Ain Shams University
10.21608/jsrs.2018.25533
Zinc Oxide nanoparticles have been prepared by chemical precipitation method using Zinc nitrate. The effect of different parameters on particle size (growth temperature, concentration of (NaOH) and time of stirring) were studied. The prepared (ZnO) nanopowder was characterized by X-ray diffraction (XRD), Transmission Electron Microscope (TEM) and Fourier-transform Infrared Spectrometer (FT-IR). (XRD) patterns proved that (ZnO) nanoparticles had a hexagonal crystal structure and the particle size varied from (11.1-18.3) nm. (TEM) picture reveals the morphology and particle size of Zinc Oxide nanoparticles. The presence of defects and impurity contents in (ZnO) nanoparticles were characterized by Fourier-transform infrared (FTIR) spectrometer.
<strong> </strong>
ZnO nanoparticle,XRD,FTIR,TEM
https://jsrs.journals.ekb.eg/article_25533.html
https://jsrs.journals.ekb.eg/article_25533_ebfdde99f04aa432d832a608e65bdd5d.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Synthesis and evaluation of surfactants with functional derivatives as additives for improvement of the mechanical and thermal properties of drinking water pipes
273
286
EN
Shymaa
M.
Mahmoud
Housing &Building National Research Center,Giza,Egypt
chem.shymaamahmoud@gmail.com
Nadia
G.
Kandile
Chemistry Department Faculty of Women, Ain shams University,Heliopolis,Cairo,Egypt
Maha
M.
El shafei
Housing &Building National Research Center,Giza,Egypt
Amr
H.
Mohamed
Housing &Building National Research Center,Giza,Egypt
10.21608/jsrs.2018.25534
In the present study, some thiol surfactants were prepared. Polyester / (nano bentonite) nano composite (A), polyester/(5% nano Bentonite) / thiol surfactant (I) nano composite (B), polyester / (5% nano Bentonite)/thiol surfactant (II) nano composite (C) and Polyester/(5% nano Bentonite)/thiol surfactant (III) nano composite D were fabricated. The mechanical, thermal properties and morphological structure of fabricated composites were studied. The results showed that nano Bentonite powder / polyester composite improve these properties at 5% weight and begins to weaken as the filling ratios increased. However using thiol surfactants as additives to polyester / (nano bentonite) nano composites improve the thermal and mechanical properties of nano composites. But nano composite (D) gave the optimum thermal and mechanical properties which can be used in manufacture of drinking water pipes.
<strong> </strong>
Nano composite,surfactant, mechanical and thermal properties ,drinking water pipes
https://jsrs.journals.ekb.eg/article_25534.html
https://jsrs.journals.ekb.eg/article_25534_fa09bd73247796bf5fabcaaaa7113631.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Possible action of grape seed oil on brain toxicity induced by methomyl or imidacloprid of male rats.
250
272
EN
Doaa
Moeen
Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Hiliopolis, Cairo, Egypt.
Afnan
M.
Amer
Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Hiliopolis, Cairo, Egypt.
Nadia
H.
Ismail
Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Hiliopolis, Cairo, Egypt.
Elham
H.A.
Ali
Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Hiliopolis, Cairo, Egypt.
10.21608/jsrs.2018.25535
The present study was planned to investigate the effect of methomyl or imidacloprid on the brain of male rats. The effect grape seeds oil as an antioxidant was also evaluated. Animals were administered orally with 1/10 and 1/20 of LD<sub>50</sub> methomyl and imidacloprid with 17 and 450 mg /kg bw for four and eight weeks. Grape seeds oil with 4 ml/kg b.wt. was used for protection from methomyl and imidacloprid toxicity. Brain cortex and hippocampus oxidative stress (glutathione S transferase GST, glutathione peroxidase GPX, superoxide dismutase SOD, malondialdhyde MDA and nitric oxide NO), Na<sup>+</sup>,K<sup>+</sup>, ATPase and acetyl-cholinesterase AChE were determined. The result showed that GST, GPX, MDA, and NO<sub>2</sub> were increased significantly. But SOD, Na<sup>+</sup>K<sup>+</sup>ATPase and AChE were significantly reduced in comparison with the control. Grape seed oil induced a significant improvement for the pesticides brain toxicity but not to the level of control. The study suggested that the oil antioxidants not improve the brain toxicity induced by methomyl or imidacloprid.
<strong> </strong>
brain toxicity,Methomyl,Imidacloprid,Na+K+ATPase and AchE
https://jsrs.journals.ekb.eg/article_25535.html
https://jsrs.journals.ekb.eg/article_25535_48fc7b9825c461aa3f367c77cfa9b595.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Cytological and phytochemical studies on Mesembryanthemum nodiflorum L.
237
249
EN
Aya
M.
Abdel gawad
Botany department, Faculty of women for Arts, Science and Education, Ain Shams University.
Sahar
A.
Tawab
Botany department, Faculty of women for Arts, Science and Education, Ain Shams University.
Shaimaa
S.
Sobieh
Botany department, Faculty of women for Arts, Science and Education, Ain Shams University.
ssobieh@yahoo.com
Dina
M.
Fahmy
Desert Research Center
10.21608/jsrs.2018.25536
<em>Mesembryanthemum nodiflorum</em> L. (Aizoaceae) has long been used as food and in traditional medicine. This study was intended to explore the active groups within <em>M. nodiflorum</em> ethanolic extract and to study the cytological effects of <em>M.</em><em>nodiflorum</em> water extract on <em>Allium cepa</em> L. root tips. Phytochemical analysis of <em>M.</em><em>nodiflorum</em> ethanolic extract indicated the presence of alkaloids and triterpenes. Tannins, flavonoids and saponins did not found in <em>M.</em><em>nodiflorum</em> alcoholic extract. Mitotic indices and distribution of cells in mitotic phases of <em>A.</em><em>cepa</em> root tips were clearly changed after treatment with three different concentration of <em>M.</em><em>nodiflorum</em> water extract (0.1, 1 and 3%) for 3h, 6h, and 12h. The maximum value of mitotic index 2.68% was observed after treatment with 3% for 6h, while the minimum value 1.35% was scored after 12h exposure to the same concentration. Different types of chromosomal aberrations were noticed. The present study revealed that <em>M.</em><em>nodiflorum</em> water extract has a potent inhibitory effect on the mitotic activity of <em>A.</em><em>cepa</em> root tip cells. <br />
M.nodiflorum,A. cepa,Mitotic index,Phytochemical screening
https://jsrs.journals.ekb.eg/article_25536.html
https://jsrs.journals.ekb.eg/article_25536_cd2856cbf4c4b4a733704e253188ce50.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Morpho- histological observations on somatic embryogenesis in mature embryo derived callus of Oryza sativa L. cv. Sakha 101
126
141
EN
Dina
E.
Sakr
Botany department, Faculty of women for Arts, Science and Education, Ain Shams University
dinaehab89@yahoo.com
Reem
M.
Sayed
Botany department, Faculty of women for Arts, Science and Education, Ain Shams University
10.21608/jsrs.2018.25656
Cellular totipotency is one of the fundamental principles of plant biotechnology. The mature embryo is increasingly recorded as a valuable explant for somatic embryogenesis in rice biotechnology. In present study, rice cells dedifferentiation, proliferation and re-differentiation were investigated by culturing mature rice (<em>Oryza sativa</em> L. cv. Sakha 101) embryos in modified MS media fortified with different growth regulators alone and in combination. Mature embryo tissues competent for tissue culture and the chronological changes of cells morphology and histology were observed. The results showed that callus was induced only from mature rice seed (explant) cultured on MS media supplemented with 2, 4-D (2 or 2.5 mg/l) alone while the rest treatments showed negative response. Callus was initiated after 5 days of culture in MS media fortified with the lower 2, 4-D dose as clusters of undifferentiated cell masses while callus initiation was delayed 4 days more by increasing the applied dose. At morphological level, Pale yellowish and friable calli was noted in both tested doses. Calli texture exhibited different appearance, while was slightly nodular in the lower dose it was soft in the higher one. High callus induction frequency (70%) was estimated for 2mg/l 2, 4-D application while decreased frequency (40%) was concomitant with dose increment. Histological analysis for somatic embryogenesis revealed that within two weeks of culturing explants on callus induction medium (CIM), somatic embryos development began as clusters of embryonic cells at the peripheral parts of the proliferated calli while non-embryonic cells were observed at the inner regions of the induced callus. Embryogenic cells at the outer cell layer were observed as small and isodiametric with dense cytoplasm and clear nucleus located in the center of the cells, whereas the non embryogenic cells were large, vacuolated and had a very small nucleus located near the cell wall. Embryogenic cells undergo series of ordered divisions and protodermis observed surrounding globular embryo was recorded at the end of culturing in CIM fortified with lower 2, 4-D dose.
On the other hand, culture on MS fortified with higher dose delayed rice cells differentiation and globular stage was recorded two days after subculture embryonic callus into free hormone MS medium. After 2 days of subculture into free hormone MS medium, heart shaped embryo was observed in low dose of 2, 4-D.<strong> </strong>
This study assists to draw attention to the use of a histological approach as a helpful tool to follow the chronological series of embryo development <em>in vitro</em>.
<strong> </strong>
differentiation,histology,Morphology,Oryza sativaL,somatic embryogenesis and tissue culture
https://jsrs.journals.ekb.eg/article_25656.html
https://jsrs.journals.ekb.eg/article_25656_7a1852e889ecb691cbcc0e1871459b53.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Possible action of grape seed oil on brain toxicity induced by methomyl or imidacloprid of male rats
250
272
EN
Doaa
Moeen
Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Hiliopolis, Cairo, Egypt.
Afnan
M.
Amer
Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Hiliopolis, Cairo, Egypt.
Nadia
H.
Ismail
Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Hiliopolis, Cairo, Egypt.
Elham
H.
Ali
Zoology Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Hiliopolis, Cairo, Egypt.
10.21608/jsrs.2018.25659
The present study was planned to investigate the effect of methomyl or imidacloprid on the brain of male rats. The effect grape seeds oil as an antioxidant was also evaluated. Animals were administered orally with 1/10 and 1/20 of LD<sub>50</sub> methomyl and imidacloprid with 17 and 450 mg /kg bw for four and eight weeks. Grape seeds oil with 4 ml/kg b.wt. was used for protection from methomyl and imidacloprid toxicity. Brain cortex and hippocampus oxidative stress (glutathione S transferase GST, glutathione peroxidase GPX, superoxide dismutase SOD, malondialdhyde MDA and nitric oxide NO), Na<sup>+</sup>,K<sup>+</sup>, ATPase and acetyl-cholinesterase AChE were determined. The result showed that GST, GPX, MDA, and NO<sub>2</sub> were increased significantly. But SOD, Na<sup>+</sup>K<sup>+</sup>ATPase and AChE were significantly reduced in comparison with the control. Grape seed oil induced a significant improvement for the pesticides brain toxicity but not to the level of control. The study suggested that the oil antioxidants not improve the brain toxicity induced by methomyl or imidacloprid.
<strong> </strong>
brain toxicity,Methomyl,Imidacloprid,Na+K+ATPase and AchE
https://jsrs.journals.ekb.eg/article_25659.html
https://jsrs.journals.ekb.eg/article_25659_d41d8cd98f00b204e9800998ecf8427e.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Efficient One-pot microwave-assisted Synthesis and Spectroscopic Characterization of Novel Antitumor and Antimicrobial Hydroxypyrrolidin2-ones
203
217
EN
eman
azmy
mohamed azmy
chemistry, faculty of women, ain shams university, cairo, egypt
eman.azmy@women.asu.edu.eg
Boshra
M.
Awad
Department of Chemistry, Faculty of Women for Arts, Science, and Education, Ain Shams University, Heliopolis, Cairo, Egypt
awadboshra1@gmail.com
Halima
A.
Hefni
Department of Chemistry, Faculty of Women for Arts, Science, and Education, Ain Shams University, Heliopolis, Cairo, Egypt
Hanaa
A.
Saad
Department of Chemistry, Faculty of Women for Arts, Science, and Education, Ain Shams University, Heliopolis, Cairo, Egypt
Affaf
M.
Eltoukhy
Department of Chemistry, Faculty of Women for Arts, Science, and Education, Ain Shams University, Heliopolis, Cairo, Egypt
Ahmed.
F.
Mabied
X-Ray Crystallography Lab., Solid State Physics Department, National Research Centre, Dokki, Giza, Egypt
10.21608/jsrs.2018.25663
A microwave-assisted, chemoselective synthesis of the novel antitumor and antimicrobial (3E)-5-hydroxy-1-isopropyl-3-[(5-methyl-2-thienyl)methylene]-5-phenylpyrrolidin-2-one has been achieved via assisted microwave solvent-free one-pot reaction of (3E)-3-[(5-methyl-2-thienyl)methylene]-5-phenylfuran-2(3H)-one with amines, urea and thiourea. The products are obtained in significant purity, yield, and eco-friendly reaction conditions. The structural formula of the products is confirmed by their spectroscopic characterizations. A mechanism is proposed in which an intramolecular nucleophilic attack takes place on the carbonyl carbon by the lone pair of electrons on the nitrogen atom, leading to ring closure with proton transfer to oxygen forming the hydroxyl group.
<strong> </strong>
microwave,antitumor,Antimicrobial,pyrrolidin-2-one,furan-2(3H)-one,urea,thiourea
https://jsrs.journals.ekb.eg/article_25663.html
https://jsrs.journals.ekb.eg/article_25663_d8fe0efa801e3fa68ae350017debe239.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Effect of Blackberry in Managment of Dry Eye in Experimental Animal Model
28
45
EN
Eman
Salem
Chemistry Department, Faculty of Science, Ain-Shams University, Cairo, Egypt
emy_sm18@yahoo.com
Hamdy
H.
Hassan
Chemistry Department, Faculty of Science, Ain-Shams University, Cairo, Egypt
Ibrahim
H.
Badr
Chemistry Department, Faculty of Science, Ain-Shams University, Cairo, Egypt
ibadr1@gmail.com
Ethar
A.
Mohamed
Biochemistry and Nutrition Department, Women's College, Ain Shams University
chemistosa88@gmail.com
Bakinam
A.
Mohamed
Biochemistry and Nutrition Department, Women's College, Ain Shams University
Anhar
M.
Gomaa
Biochemistry department, Research Institute of Ophthalmology, Giza, Egypt
Fatma
H.
Abd El-Razek
Biochemistry and Nutrition Department, Women's College, Ain Shams University
10.21608/jsrs.2018.25670
<strong>Objective:</strong> The present study was performed to investigate the protective effect of blackberry as polyphenolic compounds for managing dry eye in experimental animal model.
<strong>Materials and Methods:</strong> The Blackberry was dried in air oven. Dry eye induced by atropine sulphate 1% drops (2 drops in each eye daily) for 2 months, blackberry was taken as 20 % of the main diet. Thirty two rabbits (1000-1300g) were divided into four groups: G1: healthy control, G2: dry eye, G3: normal fed on blackberry, G4: dry eye feed on blackberry. Poly phenolic compounds of blackberry were analyzed by using High Performance Liquid Chromatography (HPLC). Tear production measured using tear break up time (TBUT) and schirmer test. Tears were collected day after day from all groups using 5-μL silanated microcapillary pipettes. At the end of experiments rabbits were fasted overnight and blood was withdrawn. The levels of reduced glutathione (GSH), malondialdehyde (MDA), nitric oxide (NO) and interlukin-1beta (IL-1β) were estimated in the tears and blood. In addition catalase (CAT) and superoxide dismutase (SOD) were determined in the blood. Cornea excised and examined by light microscope.
<strong>Results:</strong> Significant improvements were noticed in tear breakup time and schirmer I score of dry eye rabbits fed on 20% dried blackberry compared to dry eye group. There was a significant (p < 0.05) decrease in serum and tears of IL-1β, NO and a statistically increase in the blood GSH, plasma CAT in dry eye rabbits fed on 20% dried blackberry compared to dry eye rabbit group.
<strong>In conclusion:</strong> Supplementation with dried blackberry is effective against the dry eye syndrome by decreasing ocular inflammation and increasing antioxidant contents in tears of experimental animal model.
<strong> </strong>
Dry eye,polyphenolic compounds,atropine,blackberry,Oxidative Stress,antioxidants
https://jsrs.journals.ekb.eg/article_25670.html
https://jsrs.journals.ekb.eg/article_25670_194c780e591e5f08eb4d5e7713735ffb.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
In Vitro Suppressive Effect of Agriculture Residues and Municipal Solid Wastes Compost Tea on some Phytopathogenic Fungi
181
202
EN
Gehan,
A.
Elsaiid
Botany Dept., Faculty of Womenfor Arts, Science and Education, Ain Shams University
gehanae@yahoo.com
Samia
H.
Abou zekry
Botany Dept., Faculty of Womenfor Arts, Science and Education, Ain Shams University
Ehab,
A.
Sarhan
Plant Pathology Research Institute, Agricultural Research Center, Giza, Egypt
Mehreshan
T.
El-Mokadem
Botany Dept., Faculty of Womenfor Arts, Science and Education, Ain Shams University
Abdel- Wahab,
A.
F.
Agric. Microbiol. Dept., Soils, Water and Environ. Res. Inst., ARC, Giza, Egypt
10.21608/jsrs.2018.25679
Aerated Compost Tea (ACT) prepared from four types of compost; Agricultural Residues(AR), Agricultural Residues enriched with Olive Pomace (AR+OP), Municipal Solid Wastes (MSW) and Municipal Solid Wastes enriched with OP(MSW+OP) in combination with bioagents have been analytically characterized and were tested for their antagonistic activity in vitro against <em>Fusarium oxysporum</em> and <em>Rhizoctonia solani</em> pathogens in comparison with the commercial chemical fungicides (Rhizolex-T). Assessment was carried out in terms of percent mycelial growth inhibition as well as Scanning Electron Microscopy (SEM) were used to explain the mode of action in the biological control of the pathogens under study. From the resultsall compost teas showed high levels of nutrients and microbial biomass content. The mixed treatment of compost tea gave the highest percent inhibition compared with individually treatments. AR compost tea+ Olive Pomace (OP)+ Microorganisms (MO) were significantly superior to the rest treatments showed 63.52% and 44.07% percent inhibition, same trend was detected with MSW+ Olive Pomace (OP)+ Microorganisms (MO) showing 57.41% and 43.89% against <em>Rhizoctonia solani </em>and<em>Fusarium oxysporum</em>respectively. SEM of tested pathogen mycelium removed from the confrontation zone showed aberrant morphology such as shrinkage, curling,mycelium asymmetry, partial distortions and lysis of fungal mycelium. In conclusion, these results provide evidence that the compost extract has the potential to become a good candidate for biological control as potential alternatives to the application of synthetic fungicides, and as plant promoters in crop production, for attaining environmental sustainability for farming and food safety.
<strong> </strong>
compost,compost tea,Bioagents,Olive pomace,R. solani,Rhizolex-T,Microorganisms (MO)
https://jsrs.journals.ekb.eg/article_25679.html
https://jsrs.journals.ekb.eg/article_25679_47f0cc2ad17f61eb483d4aee160223f4.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Performance of Co/Graphite electrode from citrate bath as electrocatalyst for oxygen evolution reaction in alkaline fuel cells
161
181
EN
Ahmed
S.
Essa
Basic Science Department, Marg High Institute For Engineering and Modern Technology (MIE), El-Marg, Qalyubiyah, Egypt.
dr.ahmedessa@gmail.com
Hesham
S.
Abdel-Samad
Chemistry Department, Faculty of science, Ain-Shams University, Abbasia, Cairo, 11566, Egypt
Hamdy
H.
Hassan
Chemistry Department, Faculty of science, Ain-Shams University, Abbasia, Cairo, 11566, Egypt
10.21608/jsrs.2018.25681
Cobalt/graphite electrodes are prepared by potentiostaticelectrodeposition of cobalt from sulphate baths with and without citrate ions on graphite discs. The electrocatalytic activity of the prepared electrodes toward oxygen evolution reaction (OER) is investigated by cyclic voltammetry technique. The electrocatalytic activity increases by increasing the concentration of Co<sup>+2 </sup>ions in the electrodeposition bath up to 0.5 M. The Co/Graphite electrode obtained from electrodeposition bath containing 0.5M Co<sup>2+</sup> and 0.5 M citrate ions, Co-Cit/G, exhibits better catalytic activity toward OER than that obtained from citrate free baths. Greater stability of Co-Cit/G electrode is verified by a chronopotentiometric test.<br />
Cobalet,Citrate,Chronoamperometry,Chronopotentiometry,Cyclic voltammetry,Oxygenevalution reaction
https://jsrs.journals.ekb.eg/article_25681.html
https://jsrs.journals.ekb.eg/article_25681_8d6136f00ccf8486b5743b4b1ae48eaf.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
The effective role of Arabic gum and/or vitamin E on kidney and liver injury induced by food flavor cinnamaldehyde in male albino rats.
58
75
EN
Amal
A.
Shahin
Chemistry in Blood Bank of Nile hospital HIO (Health Insurance Organization)
Sanaa
M.
R.Wahba
Prof of Histology & Histochemistry, Zoology Department ,Faculty of Women for (Art, Science & Education)
Walaa
A.
El-Nahrawy
Prof of physiology, Zoology Department,Faculty of Women for (Art, Science & Education)
walaa_yao@yahoo.co.uk
Nora
El-Hoseany
Shaheen
Prof of physiology, Zoology Department,Faculty of Women for (Art, Science & Education)
10.21608/jsrs.2018.26718
Cinnamaldehyde (CNMA) as a food additive is present in low concentrations in human food.It iscommercially prepared by the condensation reaction of benzaldehyde and acetaldehyde and chemically related to toxicologically more active compounds. Accordinglyattempts have been undertaken to protect the body from such toxicity as Gum Arabic(GA) which is a natural productand Vitamin E(VE) as antioxidants.To meet this goal,sixty young adult male albino rats were used to study the therapeutic role of GA and/orVEon liver and kidneyinjury induced by overdose of CNMA.Sixty rats were divided intosixgroups each comprising 10 rats: Control group orally received distilled water,fifty CNMA rats orally received dose 73.5 mg/kg b. wt. of CNMA dissolved in distilled water daily for 3 months then they were divided into:CNMA rats at zero time, CNMA group at 30 daysfollowedwithout any treatment for another 30 days as a recovery period,CNMA+GA therapeutic group orally administered GA at a dose 7.5 g/kg b. wt. daily for another 30 days,CNMA+VE therapeutic orally administered VE at a dose 1g/kg b. wt. daily for another 30 days,CNMA+mixture therapeutic group orally administered mixture of GA and VE at doses 7.5 g/kg b. wt. and 1g/kg b. wt. of GA and VE respectively daily for another 30 days.At the end of experimental period, biochemical, histological and molecular studieswere assessed. Biochemical analysis of serum showed thatinduction with CNMA without treatment revealed a significant decrease in total protein and albumin levels and a significant increase in urea, creatinine levels andserum alanine aminotransferase (ALT),aspartate aminotransferase (AST) and γ-glutamyl transpeptidase (GGT) activities, where treatment with GA or VE or especially both of them revealed marked improvement in the previous biochemical parameters compared to normal control group.The antioxidant analysis revealed a decrease inglutathione (GSH), superoxide dismutase (SOD) and an increase in malondialdhyde (MAD) in CNMA groups, while other groups showed reverse in antioxidant level toward the normal control group. These results were confirmed with kidney histological examination and comet testfor liver tissue. The study showed thatCNMA grouprevealed marked histological lesions particularly in cortical portion of kidney. The Malpighian corpuscles lost their characteristic normal configuration and exhibited clear features of damage. On the other hand, in CNMA group a strong elevation was realized in comet percent as compared with the control group.A considerable improvement was observed in the therapeutic groups. So, the present results
clearly demonstrated the effective role of GA and VE against liver and kidney injury induced by CNMA.
Cinnamaldehyde,Gum Arabic,Vitamin E,Comet test,albino rats
https://jsrs.journals.ekb.eg/article_26718.html
https://jsrs.journals.ekb.eg/article_26718_f85a9a3c87ef3fdb3c6bea56f753808d.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
The environmental application over nickel supported nano-structured silica from agricultural biomass
76
86
EN
Amira.
S.
Hassan
Chemistry Department, Faculty of Women for Science, Ain Shams University, Asmaa Fahmi Street, Cairo, Egypt
amira.said@women.asu.edu.eg
Essam.
Ezzo
Chemistry Department, Faculty of Women for Science, Ain Shams University, Asmaa Fahmi Street, Cairo, Egypt
Suzan.
A.
Hassan
Chemistry Department, Faculty of Women for Science, Ain Shams University, Asmaa Fahmi Street, Cairo, Egypt
Magda.
A.
El kherbawi
Chemistry Department, Faculty of Women for Science, Ain Shams University, Asmaa Fahmi Street, Cairo, Egypt
10.21608/jsrs.2018.26719
<strong> </strong>
The objective of this study is the removal of some environmental hazards from aqueous solutions using six nickel on two supports prepared by impregnation and sol-gel methods. The first support was rice husk ash (SiR) and the other was silica-gel SiG by different loading weight percent of nickel 4.80, 9.60, 14.80, 4.90, 9.80 and 14.70% respectively, which were produced, Ni/SiRI, Ni/SiRII, Ni/SiRIII, Ni/SiGI, Ni/SiGII and Ni/SiGIII, respectively. The solids were described by TGA, DTA, DSC, XRD, TEM and BET measurements.The surface analyses show that for the bare SiR support is a common amorphous structure and in Ni/SiR catalyst precursors after calcination at 773 K, nickel is presented as NiO species. TEM images depict that nickel crystallites are spherical in shape, its size is in nano-scale and much lower than 14 nm and distributed uniformly. The adsorption of hazard material likeCr<sup>+6 </sup>is maximal at the lowest values of pH and increases with temperature for the prepared solids. Optimum conditions for Cr<sup>+6</sup> removal were found to be pH =3.00, adsorbent dosage 0.05 g/L of solution and equilibrium time 2.00 h. The experimental data were analyzed using Freundlich, Langmuir and Dubinin–Radushkevich (D–R) isotherm models. It was found that Freundlich and D–R models fitted well. The value of the adsorption energy calculated using D–R isotherm, was 1.20±0.10 kJ /mol for Ni/SiR and Ni/SiG solids and it indicated that the adsorption process was physical in nature. The Ni/SiG solids shows higher capacity for adsorption of Cr(VI) than Ni/SiR solids.
<strong> </strong>
Rice husk ash silica,NiO catalyst,Nano silica support,Impregnation method,sol-gel method,Chromium hexavalent
https://jsrs.journals.ekb.eg/article_26719.html
https://jsrs.journals.ekb.eg/article_26719_6ff681adb6772cb733b207d3923dfd7c.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Investigation of Effect of Body Mass Index of Patient Radiation Dose During Interventional Cardiac processes
87
94
EN
Asmaa
Salah
Radiation Protection department, Nuclear & Radiological Regulatory Authority (ENRRA), Nasr City, Cairo , Egypt
Ahmed
A.
Taha
Radiation Protection department, Nuclear & Radiological Regulatory Authority (ENRRA), Nasr City, Cairo , Egypt
H.
M.
Diab
Radiation Protection department, Nuclear & Radiological Regulatory Authority (ENRRA), Nasr City, Cairo , Egypt
H.
A.
Abdel Ghany
Department of Physics, Faculity of Women for Arts, Science and Education, Ain-Shams University, Cairo, Egypt
10.21608/jsrs.2018.26724
Interventional cardiology is commonly performed under fluoroscopic guidance. Radiation exposure of patients and providers has not been comprehensively studied, particularly the effect of Body Mass Index (BMI). In the present study, an evaluation of the radiation dose received by patient during diagnostic and interventional cardiology was investigated and correlated with patient's (BMI). Real-time monitoring of radiation doses was performed for 60 patients aged from new born to 32 years old and was classified in five groups depending on their BMI as follows: (BMI < 10), (BMI: 10-15), (BMI: 15-20), (BMI: 20-25) and (BMI: 25-30).
The results showed that, Patient doses were ranged from (0.9-4.3Gy.cm<sup>2</sup>) with an average 2.9 Gy.cm<sup>2</sup>, from (0.6-37.6 Gy.cm<sup>2</sup>) with an average 8.165 Gy.cm<sup>2</sup>, from (0.51-49.15 Gy.cm<sup>2</sup>) with an average 17.0 Gy.Cm<sup>2</sup>, from (5.2 -101.3 Gy.cm<sup>2</sup>) with an average 40.1 Gy.cm<sup>2</sup> and from (53-175 Gy.cm<sup>2</sup>) with an average 117.7 Gy.cm<sup>2</sup> respectively. From the data obtained, it is obvious that there are a significant positive correlation between Dose Area Product (DAP) and BMI. Patients with BMI more than 30 Kg/m<sup>2</sup> need more radiation dose compared to patients with BMI lower than 30 Kg/m<sup>2</sup>.
Patients with high BMI require more radiation dose in comparison to those with the small BMI. Due to the high radiation exposure during interventional procedures, it is important to monitor patient dose and awareness should be taken to reduce dose. DAP can be used as an appropriate measure of radiation exposure to patients especially in the absence of quality assurance programme in the department.
Body Mass Index,Interventional cardiac processes,Radiation Dose
https://jsrs.journals.ekb.eg/article_26724.html
https://jsrs.journals.ekb.eg/article_26724_245f166f23ae038f546033e23b70674f.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Characterization and evaluation of nanocomposites chitosan-multiwalled carbon nanotubes as broad-spectrum antibacterial agent
16
27
EN
Nahla
El-Tohamy
Microbiology Department, Faculty of Science, Ain Shams University
nahlael2hamy@yahoo.com
Saadia
M
Easa
Microbiology Department, Faculty of Science, Ain Shams University
M
Attia
Agricultural Microbiology Department, National Research Centre, Dokki, Cairo, Egypt
Nemat
M
Awad
Agricultural Microbiology Department, National Research Centre, Dokki, Cairo, Egypt
10.21608/jsrs.2018.26727
Due to the wide and inappropriate use of the antibiotics, the development of new resistant strains of bacteria to the most of common antibiotics has become a serious problem in public health; so there is a strong stimulant to continuity developing new and effective antimicrobial agents. Nanotechnology considers as a magic tool to explore and treat the difficult problems of medical sciences. The confluence of nanotechnology and microbiology solves several biomedical problems, and also can revolutionize the health and medicine fields.
Recently reports prove that carbon-based nanomaterials like multiwalled carbon nanotubes (MWCNTs) show potent antimicrobial properties. The nanocomposite chitosan-multiwalled carbon nanotube (Ch/MWCNT) was synthesized by the process of sonication for 20 min and examined their antibacterial activity.
Seven different concentrations of MWCNT were used in the preparation of Ch/MWCNT (from 5 to 100 mg). The prepared differently concentrated MWCNT nanocomposite was characterized using TEM and FTIR. According to TEM results which showed that the morphology of MWCNTs were obtained in the form of small tubes of a length. FTIR show that the presence of the C=C absorption at the wave number 2344 cm<sup>-1</sup>which confirm the successful incorporation between chitosan and MWCNT.
For antimicrobial activity estimation, the serial dilution method was used towards Gram positive bacteria (<em>Staphylococcus aureus </em>NRC 23516, Methicillin-resistant <em>Staphylococcus aureus</em> (MRSA) NRC 629012) and Gram negative bacteria (<em>Escherichia coli </em>0157H7 and <em>Pseudomonas aeruginosa</em> ATCC10145). The composite Ch/MWCNT showed higher antimicrobial activity against both Gram negative and Gram positive bacteria; <em>P. aeruginosa</em>, <em>Staphylococcus aureus</em>; respectively with increasing MWCNT concentrationtill ratio 1:4. The nanocomposites are highly differentiable at the low concentration; 1% concentration of the multifunctional nanocomposite is very effective against the tested microbes. Minimal inhibitory concentrations (MIC) of Ch/MWCNT (100:50 Ch/MWCNT) against Gram negative and Gram positive pathogenic bacteria between 0.5 and 0.0625 μg, and the growth inhibition effect was observed in a concentration-dependent species.
<strong> </strong>
<strong> </strong>
Chitosan,Carbon nanotube,antimicrobial activity
https://jsrs.journals.ekb.eg/article_26727.html
https://jsrs.journals.ekb.eg/article_26727_03afdba2c1aecc558857a9d1866ac8f9.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Synthesis, Characterization and Using of Nano - Nickel Metal Loaded on Egyption Kaolin for Reduction of p-Nitrophenol to p-Aminophenol
46
57
EN
Amira
M.
Mahmoud
Faculty of Girls, Ain Shams University,
ammaahmed@yahoo.com
Nadia
A.
Youssef
Faculty of Girls, Ain Shams University,
Seham
A.
Shaban
Egyptian Petroleum Research Institute(EPRI)
Mohamed
M.
Selim
National Research Ceter.
10.21608/jsrs.2018.26728
The p-aminophenol was prepared by reduction of p-nitrophenol over nano-sized nickel catalysts without support and with Egyptian kaolin as support. Hydrazine hydrate was used as hydrogen source in this reaction. Using solutions of nickel nitrate of appropriate concentrations to obtain catalysts with concentrations 2.5, 5 and 10% nickel loaded on Egyptian kaolin. The prepared Ni catalysts were characterised using X-ray and SEM before and after reduction of p-nitrophenol. The results showed that the degree of crystallinity of nano nickel particles was decreased after the reduction with agglomeration of nano nickel particles. The reduction of p-nitrophenol was performed with different Ni-concentrations from 2.5-10%. The results showed that the increase of Ni-content led to a decrease of the time taken for complete reduction of p-nitrophenol and showed that Ni supported on kaolin was more active than the unsupported Ni catalyst for reduction of p-nitrophenol to p- aminophenol.
https://jsrs.journals.ekb.eg/article_26728.html
https://jsrs.journals.ekb.eg/article_26728_357a6f52f3856bc39a43a0c08aca3901.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Structural and magnetic properties ofNanocrystalline Nickel ferriteprepared byCitrate Sol–geland Solid- state reaction techniques
112
125
EN
R.
M.
Hamdy
Physics Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
reem90abbas@gmail.com
M.
B.
Osman
Physics Department, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, Egypt
Y.
M.
abbas
Physics Department, Faculty of Science, Suez Canal University, Ismailia, Egypt
M.
A.
Ahmed
Physics Department, Faculty of Science, Cairo University, Giza, Egypt
10.21608/jsrs.2018.26731
The structure and magnetic properties ofnanocrystalline nickel ferrite powder NiFe<sub>2</sub>O<sub>4 </sub>has been investigated using two different preparation methods, including the ceramic technique and citrate method. The synthesized powders were characterized using X-ray Diffraction (XRD) for crystallite size, X-ray density and lattice parameter calculation. The results indicated that the citrate method gives the lowest value for the lattice parameter and crystallite size (60.6 nm) in citrate method and (73.8 nm) in ceramic method. Distribution of cations among the two interstitial sites (tetrahedral and octahedral sites) has been estimated by analyzing the powder X-ray diffraction patterns by employing Rietveld refinement technique, and the results reveal the existence of samples asinverse spinelwith cubic structure and Fd-3m space group.The morphological investigations using Field Emission Scanning Electron micrograph (FE-SEM) and High Resolution Transmission Electron Microscopy (HR-TEM).The elemental analysis of samples usingEnergy Dispersive X-ray Analysis (EDAX) .Magnetic measurements of the samples at room temperature were carried out by means of vibrating sample magnetometer (VSM).
<strong> </strong>
https://jsrs.journals.ekb.eg/article_26731.html
https://jsrs.journals.ekb.eg/article_26731_fcbd747770a1d3e6a0ad89bf8f69c7b5.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Biohazardous Impact of Hydrogen Sulfide Gas Exposure on Tear Film Constituents: Structural Characterization by Ultraviolet Spectroscopy
218
226
EN
Shimaa
M.
Elshiblya
Faculty of Science (Girls branch) Al-AzharUniversity
moaa_radiation@yahoo.com
Amal
A.
Ibrahim
Biophysics and Laser Science Unit, Research Institute of Ophthalmology, Egypt
Sahar
M.
Awad
Faculty of Science (Girls branch) Al-AzharUniversity.
saharwd@azhar.edu.eg
Gehan
M.
Kamal
Faculty of Science (Girls branch) Al-AzharUniversity.
10.21608/jsrs.2018.26734
<strong>Background/aim</strong>Humans can beexposed to hydrogen sulfide gas due to either endogenous or exogenous sources. The health effects associated with exposure to hydrogen sulfide is dependent on its concentration and the duration of exposure. It includes -among many other effects- eye irritation, tearing and inflammation. This study aims to clarify the ocular bio-hazardous effects induced in tear film due to H<sub>2</sub>S exposure by using Ultraviolet spectroscopy.
Materials and methods:Sixty Chinchilla rabbits wererandomly grouped into six subgroups.Group one served as control. Animals were exposed to hydrogen sulfide gas with concentrations of75, 90,115, 250 and 500 ppm. After exposure, tears were collected from the lower lid using glass micro capillariesand its structural characteristics were investigated immediately with ultraviolet spectroscopy. The curve enhancement procedure using Fourier deconvolution was also applied to resolve the obtained absorption peaks.
<strong>Results:</strong>The control pattern indicates thepresence of three absorption peaks at 203±5 nm, 273±3 nm and 323± 4 nm, which represent the native lipids, trine conjugation and retinolrespectively. After exposure to the specified concentrations of H<sub>2</sub>S the general observation is that the number of detected peaks varied with increasing the H<sub>2</sub>S dose.
Conclusion: Tear’s lipid is the primary target for hydrogen sulfide; this was associated with changes in the retinol content.
<strong> </strong>
Hydrogensulfide,Tear film,Eye,Ultravioletspectroscopy,Fourier transformation
https://jsrs.journals.ekb.eg/article_26734.html
https://jsrs.journals.ekb.eg/article_26734_1902ee8f0cd6b4cd4c8fb56a9b808479.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Enhanced production of xylanase enzyme by Fusariummoniliforme using submerged fermentation
227
236
EN
M.
Hussein
Chemistry of Natural and Microbial Products Department, National Research Center, Dokki, Giza, Egypt.
M.
M.
Hussein
Chemistry of Natural and Microbial Products Department, National Research Center, Dokki, Giza, Egypt.
micro_1a@yahoo.com
Z.
H.
Kheiralla
Botany Department,Faculty of Women for Arts, Science and Education, Ai Shams University.
kheiralla@hotmail.com
H.
A.
Ahmed
Botany Department,Faculty of Women for Arts, Science and Education, Ai Shams University.
N.
Sh.
El-Gendy
Petroleum Biotechnology lab, Department of Processes Design & Development,Egyptian Petroleum Research Institute, Nasr City, Cairo, Egypt
10.21608/jsrs.2018.26739
Hemicellulose degrading enzymes play an important role in bioconversion of agro and agro-industrial wastes. In this study, production of hemicellulase by six fungal isolates was determined under submerged culture using corn cobs xylan as a carbon source and enzyme inducer at different incubation periods. The results indicated that <em>Alternariatenuis</em>showed the lowest enzyme productivity (156.95 ± 2.07U/l)while the highest enzyme production (2,594.44 ± 62.25U/l) was found by <em>Fusariummoniliforme</em>. One-factor-at-a-time (OFAT) revealed maximum enzyme productivity of 10,950.11 ± 98.45 U/l at; corn cobs xylan (6g/l), yeast extract (4g/l), inorganic salts (MgSO<sub>4</sub>, KH<sub>2</sub>PO<sub>4</sub>, CaCl<sub>2</sub>, FeSO<sub>4</sub>, and MnSO<sub>4</sub>), initial pH (5), initial inoculum size (4%), 150 rpm and temperature (30 ).
<strong> </strong>
xylanase,Fusariummoniliforme,Submerged fermentation,corn cob xylan
https://jsrs.journals.ekb.eg/article_26739.html
https://jsrs.journals.ekb.eg/article_26739_c8bb005896c2f4ec893c89444f2f29a2.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Preparation and Evaluation of some polyaniline/ cycloadductcomposites for their biocidalactivity against some biofouling-causing organisms
466
482
EN
Nada
Z.
El-sayed
Department of chemistry, Women College for Arts, Science, and Education,Ain Shams University.
nada7med2012@gmail.com
Samia
A.
El-Abbady
Department of chemistry, Women College for Arts, Science, and Education,Ain Shams University.
Samia
M.
Agamy
Department of chemistry, Women College for Arts, Science, and Education,Ain Shams University.
samiaagamy@hotmail.com
10.21608/jsrs.2018.26761
Cycloadducts of 3-Hydroxy-1-phenacyl pyridinium bromide (1) and 3-Hydroxy-1-(4-nitrobenzyl) pyridinium chloride (2) with vinyl trimethylsilane, methyl sulfonyl chloride and vinyl triphenylphosphonium bromide were prepared. Six novel polyaniline/ cycloadduct (PANI/CY) composites were prepared by the polymerization of aniline in the presence of different weight percentages of cycloadduct were characterized using Fourier transform infrared (FTIR) spectroscopy, Mass spectrum (MS) and Nuclear magnetic resonance (NMR),Transmission electron microscopy (TEM). Their potential as antibiofouling agents was evaluated. Antimicrobial /macrobial fouling activity were conventional using inhibition zone, serial tube dilution methods and mortality tests respectively.
<strong> </strong>
Cycloadduct,Polyaniline,composites,biocidal activity and biofouling
https://jsrs.journals.ekb.eg/article_26761.html
https://jsrs.journals.ekb.eg/article_26761_edf7d70bc97e25e183c86abc020da7a5.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Molecular genetic variability of some deciduous fruit rootstocks in Egypt
95
111
EN
Safaa
M.
Saleh
Botany Department, Faculty of women for Arts, Science and Education , Ain Shams University ,Cairo , Egypt
safaaismael28@gmail.com
Nahla
O
.Ehsan
Botany Department, Faculty of women for Arts, Science and Education , Ain Shams University ,Cairo , Egypt.
Sayed
Y.
Mohamed
Horticulture Research Institute, Agriculture Research Center, Ministry of Agriculture Ministry, Giza.
fafirosek@yahoo.com
Thoria
R.
Mohamed
Botany Department, Faculty of women for Arts, Science and Education , Ain Shams University ,Cairo , Egypt.
10.21608/jsrs.2018.26787
The study was executed during two successive years (2016 and 2017) in the Orchard of Deciduous fruit department and Biotechnology Research lab of Horticulture Research Institute, Agriculture Research Center, Giza, Egypt. The aim of the work was using one year old plants of five and four seedy strains of Pear (Betulaefolia) and Peach (Mit-Ghamr) deciduous fruit rootstocks, where the study carried out to evaluate the molecular genetic variability between the two seedy strains rootstock respectively by using two molecular genetic markers, ISSR and SCoT based on PCR techniques to support the use of marker-assisted selection (MAS) for detection of a biotic and biotic stress in seedy strains.<br /> Six and Ten primers were used with ISSR and SCoT molecular genetic markers had successfully generated reproducible polymorphic products to study the genetic variability between Betulaefolia and Mit-Ghamr rootstocks. Data cleared that high levels of polymorphism among the strains studied of each rootstock,wherea total bands of five seedy strains of Betulaefolia rootstock with ISSR- SCoT primers were recorded 105 band (43-62 respectively), and the total monomorphic bands were 29 (11-18) added to total polymorphic bands was recorded 76 (32-44) with polymorphic percentage (74.44% - 71%) where the specific marker bands were 30 (13 -17) respectively. On the other hand, four seedy strains of Mit-Ghamr rootstock with ISSR- SCoT primers data recorded 97 total bands as (31-66 respectively).
seedy strains– Betulaefolia and Mit-Ghamr deciduous fruit rootstocks. – ISSR and SCoT Molecular Markers,Genetic variability
https://jsrs.journals.ekb.eg/article_26787.html
https://jsrs.journals.ekb.eg/article_26787_72b5fd0f9366d12780c851ce76d92c85.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
The use of Alizarin modified bentonite for removal of some heavy metals ions from the wet process phosphoric acid
483
505
EN
Mohamed
F.
Cheira
Nuclear Materials Authority, P.O. Box 530 El Maadi, Cairo, Egypt.
mf.farid2008@yahoo.com
Mohamed
A.
Awadallah
Chemistry department, Faculty of Science, Aswan University, Egypt.
Mohamed
N.
Rashed
Chemistry department, Faculty of Science, Aswan University, Egypt.
Adila
E.
Mohamed
Chemistry department, Faculty of Science, Aswan University, Egypt.
10.21608/jsrs.2018.26837
Wet process phosphoric acid is used in many fields after purification from its impurities. For this purpose, the aim of the present study is the production of the purified WPPA using economic adsorbent that is prepared by impregnation of activated bentonite with Alizarin to improve the adsorption capacity for the metallic impurities (Pb<sup>2+</sup>, Ni<sup>2+</sup>, and Zn<sup>2+</sup>) in wet process phosphoric acid. This adsorbent is characterized by XRD, SEM-EDX, and FT-IR techniques. The adsorption process is studied as a function of influencing parameters such as H<sub>3</sub>PO<sub>4</sub> concentration, pH, different metallic impurities concentration, AIAB dose, contact time and temperature. The optimum adsorption parameters are applied on the WPPA to gain the purified WPPA. The adsorption-desorption procedures are repeated the number of times up to desorption efficiencies are reduced from 98% to 82% for the studied adsorbent after five consecutive cycles, which indicated that the good adsorption stability of the AIAB adsorbent for Pb<sup>2+</sup>, Ni<sup>2+</sup>, and Zn<sup>2+</sup> ions.
phosphoric acid,activated bentonite,Alizarin,impurities,Removal
https://jsrs.journals.ekb.eg/article_26837.html
https://jsrs.journals.ekb.eg/article_26837_8c9b7d8b2e07e0557e299a0d357b730b.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Physico-Chemical and Mechanical Properties of Geopolymer Materials
506
516
EN
Mostafa
M.
Abdullah
Chemistry Department, Faculty of Science, Ain Shams University
mostafammamma@gmail.com
Eisa
E.
Hekal
Chemistry Department, Faculty of Science, Ain Shams University
Essam
Kishar
Faculty of Women ,Ain shams university
essamkishar@hotmail.com
10.21608/jsrs.2018.27422
Physico-chemical and mechanical properties of geopolymer materials(cement, mortar, and concrete) were studied. Various mixes are prepared using different liquid/solid ratios (L/S) by weight. Sodium hydroxide pellets (SH) and commercial sodium silicate liquid (SSL) are used as an activator which is dissolved in the mixing water. The hydration characteristics of the different mixes have been tested via determination of bulk density, total porosity, combined water, compressive strength, and XRD analysis at different time intervals from 1 up to 180 days in water. The results showed that the combined water content of the geopolymer materials gradually increases up to 180 days in all mixes. The bulk density increases while the total porosity decreases, as a result of the chemical reaction (geopolymerization process) with formation of new products fill the pores. The compressive strength also increases up to 180 days in all mixes. The data show that SSF1 (95% GGBFS+5 % SF) activated by (24.4% by wt. SSL, and 4 M SH), S3 (100 % GGBFS) activated by (21.7% by wt. SSL, and 4 M SH), and SMK1 (50 % GGBFS+50 % MK) activated by (31.8 % by wt. SSL, and 4 M SH) all in 95% R.H conditions are the most appropriate binding materials (geopolymer pastes) that have good different properties. GM 3 (100 % GGBFS) with a standard sand show the most appropriate mortar mix in different properties.GP Conc. 4 (100 % GGBFS) with a standard sand, and dolomite aggregate in 95% R.H showed the most appropriate concrete mix in different properties, that can be used as alternative building material to the ordinary Portland concrete.
Artificial pozzolana,Dolomite,Geopolymer,and sodium silicate
https://jsrs.journals.ekb.eg/article_27422.html
https://jsrs.journals.ekb.eg/article_27422_29d717ad105e5eba20ef5110db72abc5.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Construction of coordination polymers based on mixed-ligand synthetic strategy
561
572
EN
Huda
K.
Alkhalaf
Department of Chemistry - University of Houston
10.21608/jsrs.2018.31003
At this stage, the rational construction of structurally-defined CPs is quite successful and a variety of typical examples for such crystalline materials with attractive network architectures and potential applications have been reported. In this regard, their possible applications arising from the remarkable physico-chemical properties of CPs are widely recognized in gas adsorption, molecular/ionic separation, optics, electricity, magnetism, chirality, catalysis, and drug delivery, etc. As a rule, the optimal implementation for such applications requires good phase purity, framework stability, and in some cases the available porosity of the targeted materials. While their absolute structural control still remains a long-term goal and a worthwhile endeavor.
Much work has been devoted to the synthesis, structural characterization, and properties of CPs. In this process, the accumulation of sufficient experimental data allows chemists to proceed beyond the random studies and to derive some useful laws of assembly. Towards this end, several effective synthetic strategies such as ‘node-and-spacer’ and ‘secondary building units (SBUs)’ have been successfully established and developed, based on the notion that molecular precursors (metal ions and organic ligands) can be conveniently conceptualized as objects such as points, lines, polygons, and polyhedra, with CPs as periodic and complementary assemblies of these geometric motifs. Nevertheless, there are still many challenges in practice to perfectly project and regulate the specific crystal packing of such materials, because structural control will be readily thwarted by the intricate and noncovalent nature of the secondary interactions such as H-bonding, aromatic stacking, and van der Waals force, as well as some external physical or chemical factors including counterion, template, temperature, pressure, solvent, and pH value, etc. .
To date, it is well known that multi-topic bridging ligands with two or more nitrogen, sulfur, phosphorus, and/or oxygen-involving functional groups can show different binding abilities to metal ions and thus can be applied as effective tectons for constructing diverse coordination networks . However, in the scope of mixed-ligand CPs, ligands such as disulfoxide , dithioether ,diphosphine , and hybrid P,N-type compounds have seldom been used in practice, probably owing to the lack of competent counterparts as the co-ligands. In contrast, intense research activity towards the rational design and construction of mixed-ligand CPs has shown that the bipyridine, polycarboxyl , and amino compounds represent the most reliable and typical building blocks which can be jointly applied to synthesize a wide range of desired coordination networks. A choice of such connectors in coordination assembly can be rationalized based on the following considerations. On the one hand, the neutral bipyridine ligands normally bind to the metal ions as the rod-like bidentate tectons. On the other hand, polycarboxyl compounds may take the anionic or protonated form to provide various coordination modes upon binding to metals and anionic form can obviate small counteranion incorporation, resulting in neutral frameworks with enhanced porosity. While amino acids are well known as excellent building blocks for hydrogen bonded network. Thus, the underlying structures of CPs obtained from a given bipyridine spacer can usually be ascribed to known geometrical networks, at least with hindsight, while assembly of a polycarboxyl bridging ligand with the metal ion under different conditions will lead to considerable structural complexity and diversity of CPs. As a result, by combining the advantages of two such types of ligands, the so-called mixed-ligand synthetic strategy can be rationally proposed. In the broad domain of CP study, coordination frameworks based on mixed ligands have been heavily developed. However, no specific structural prediction and design scheme is available at this stage.
SO from the mixed-ligand synthetic point of view, I have proposed to synthesis Monometallic and Heterometallic coordination polymers .
<strong><span style="text-decoration: underline;">-According to the different compositions of mixed-ligand CP systems, they can be roughly classified into three categories:</span></strong>
1-Acid–acid mixed-ligand CPs.
2- Base–base mixed-ligand CPs.
3- Acid–base mixed-ligand CPs
(the concept of acid or base in this review only indicates the Lewis acid/base ligands).
* Acid–base mixed-ligand CPs
The acid–base system is the most important and flourishing branch of mixed-ligand CPs. Naturally, acid and base ligands are perfect partners that can compensate charge balance, coordination deficiency, repulsive vacuum, and weakly interaction all at once. In this context, it is valuable to propose the rational synthetic strategy to regulate the network structures of mixed-ligand CPs by ligand design or selection, considering the aspects of spacer effect, positional isomeric effect, and substituent effect of the organic building blocks.
<strong><span style="text-decoration: underline;"> </span></strong>
<strong><span style="text-decoration: underline;"> </span></strong>
<strong> </strong>
Coordination polymers,Crystal engineering,Mixed-ligand synthetic strategy,heterometallic system,Lanthanide
https://jsrs.journals.ekb.eg/article_31003.html
https://jsrs.journals.ekb.eg/article_31003_6a44191b68aefff1564dd379b65aa3a7.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
New analytical internal long wave solutions described by the Benjamin Ono equation in deep water
573
583
EN
JAMAL.
N.F.
ALMUTAWA
Public Authority for Applied Education and Training, The Higher Instituteof Administrative Services, Kuwait.
jamal.nf.almutawa@gmail.com
10.21608/jsrs.2018.31004
<strong>Abstract</strong>
Herein, we investigate new and different types of internal wave solutions in deep water. These solutions are described by the Benjamin Ono equation. We use the unified method to obtain these solutions in polynomial function type which are classified into three categories, namely solitary, soliton and elliptic wave solutions.
<strong> </strong>
Benjamin Ono equation,traveling wave solutions,Unified Method
https://jsrs.journals.ekb.eg/article_31004.html
https://jsrs.journals.ekb.eg/article_31004_11e2e20fb1e30202ff3c998b477f54c4.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Genetic and molecular analysis of seed coats and pollen grains of Phaseolus vulgaris L. during their developmental stages
517
539
EN
Mona
Musleh
Alrasheed
College of Science- King Saud University- Kingdom of Saudi Arabia
Ekram
Abedel Haliem
Abedel Moaty
Associate professor of plant genetics - College of Science- King Saud University.
Amal
Abdulaziz
Al-Hazzani
Associate professor of Microbial molecular genetics - College of Science - King Saud University.
10.21608/jsrs.2018.46878
<em>Phaseolus vulgaris </em>L. (Common bean) is a valuable and highly nutritious food legume and exhibits a wide variety of seed coat patterns and colors that controlled by a group of specific genes who regulate the flavonol and anthocyanin biosynthetic pathways which in turn responsible for appearing the seed coat colours. This attracted the attention of the current study to select seeds of three varieties of <em>P. vulgaris </em>var. strike, contender, and wonder which had different seed coats colours (creamy, Brown to deep brown, and Reddish spotty (pinto) beans respectively). The study assessed the phenotypic characteristics of the seeds and seed coats based on seed germination and seedling growth parameters from one hand and macro, micro-phenotypic aspects of seed coat using stereomicroscope and scanning electron microscope (SEM) from other hand.<br /> The current study concluded that all markers used in present study from phenotypic to DNA-based molecular markers differ in their resolving power to detect genetic variations, identification, genetic structure, and type of data they generate for each species. Each technique has its own advantages and limitations. Phenotypical and protein-based markers are dependent on the gene expression of DNA at exons (coding) region only and may be influenced by environmental conditions, tissue specificity, developmental stages and age. On the other hand, the DNA-based markers are dependent on coding (exons) and non-coding (intron) regions and are not governed by above external factors because any changes in them are due to natural mutation within the gene sequence during replication that, in turn, may be repaired. Thus, the DNA-based markers seemed to be the best-suited molecular assay for fingerprinting and assessing genetic structure of each one of <em>P. vulgaris </em>L. variety with high accuracy by which the conservation of the studied plant can be made easy. The current study showed also that <em>P. vulgaris </em>var . contender with brown to deep brown seed coat color were more pronounced than the other two varieties in most analyses used in this study.<br /> <strong> </strong>
Genetic,Molecular analysis,seed coats,pollen grains- Phaseolus vulgaris L
https://jsrs.journals.ekb.eg/article_46878.html
https://jsrs.journals.ekb.eg/article_46878_8e26c216aadee7f2b68d96609a0b3976.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2020
02
05
Side Effects of Chemotherapy on the Molecular Structure of rat’s retina and the Possible Protective Role of Antioxidants
540
554
EN
Rehab
A.
Fouad
* Physics department, Faculty of Science (girls), Al-Azhar University, Cairo.
Gehan
M.
Kamal
* Physics department, Faculty of Science (girls), Al-Azhar University, Cairo.
Sahar
M.
Awad
* Physics department, Faculty of Science (girls), Al-Azhar University, Cairo.
saharwd@azhar.edu.eg
10.21608/jsrs.2020.70090
Ifosfamide is an alkylating oxazaphosphorine antitumor prodrug. Although it is an effective chemotherapeutic agent, it has been shown to induce many side effects. The objective of the present study, therefore, was to investigate the possible protective roles of lecithin and quercetin either singly or combined against ifosfamide-induced molecular structure changes in retina of female rats using Fourier transform infrared spectroscopy (FTIR). Seventy female albino rats were randomly divided into seven groups. Ifosfamide (Ifo; 80mg/kg b.wt.) was administrated for five consecutive days intraperitoneally (i.p.), while quercetin (50mg/kg b.wt.) and lecithin (100mg/kg b.wt) were given orally either singly or in-combination with IFO for six consecutive days. Our results indicate that Ifosfamide was affected on the lipid components of the retina, NH-OH region changes revealed unusual interface/binding mechanism that related to different surrounding environment due to ifosfamide intraperitoneal injection. The co-administration of Lec+Que with the intraperitoneal injection of Ifosfamide preventing the side effect of Ifosfamide. We suggest that synergistic effect of quercetin and lecithin in the combined therapy results in marked neuroprotective effect in part through its antioxidant properties and down regulation of molecular structure in retina.
https://jsrs.journals.ekb.eg/article_70090.html
https://jsrs.journals.ekb.eg/article_70090_f1e515f3aba19b227874642539aa9a6d.pdf
Ain Shams University, Faculty of Women for Arts, Science and Education
Journal of Scientific Research in Science
2356-8364
2356-8372
35
part 1
2018
08
01
Feasibility of Concentrated Photovoltaic System Based on Convex and Fresnel Lenses
585
599
EN
Asmaa
S.
Ibrahim
Electronic Res. Lab., Physics Dept., Faculty of Women for Arts, Science, and Education, Ain-Shams Univ., Cairo, Egypt.
S.
M.
El-Ghanam
Electronic Res. Lab., Physics Dept., Faculty of Women for Arts, Science, and Education, Ain-Shams Univ., Cairo, Egypt.
W.
Abd El-Basit
Abd El-Basit
Electronic Res. Lab., Physics Dept., Faculty of Women for Arts, Science, and Education, Ain-Shams Univ., Cairo, Egypt.
F.
A. S.
Soliman
Nuclear Materials Authority, P. O. Box 530-Maadi-11728, Cairo, Egypt.
10.21608/jsrs.2018.122636
<strong><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;" lang="AR-SA" dir="RTL"> </span></strong><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">The present paper is mainly concerned with the </span><span style="font-size: 12.0pt; line-height: 115%; font-family: 'Times New Roman','serif'; mso-fareast-font-family: 'Times New Roman'; mso-font-kerning: 18.0pt;">performance improvement</span><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">of concentrated photovoltaic systems based on convex and Fresnel lenses with different geometrical properties (diameters and focal lengths), <span style="text-decoration: underline;">subjected to artificial light source “Incandescent lamp” as a simulation to sunlight</span>. </span><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">A number of experiments have been executed to study their effects on all the electrical parameters </span><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">of <span style="text-decoration: underline;">si-</span> mono crystalline photovoltaic cell (2.0 cm×1.0 cm), as well the concentrated light intensity. The morphology of elemental composition and the spectral transmittance applying Scanning Electron Microscope and FT-IR Spectrometer of both the convex <span lang="AR-SA" dir="RTL">-</span>andFresnel -lenses were investigated, demonstrating high optical quality of the lenses. For convex lens with 9.0 cm in diameter, </span><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">the obtained results show significant direct increasing of short</span><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">circuit current, open circuit voltage, maximum output power, </span><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">fill factor,</span><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"> and efficiency</span><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">of PV cell as well the </span><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">concentrated light intensity</span><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">, where their values were increased from </span><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">0.32 mA, 0.28 Volt, 0.04 mW, 0.46 and 9.55% as well 0.</span><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;">226 klux</span><span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"> up to 6.72 mA, 0.45 Volt, 1.85 mW, 0.6 and 25%, as well 3.5 klux, respectively. Considering the Fresnel lens with diameter of 42.43 cm, the given parameters were increased up to 78 mA, 0.454 Volt, 21.6 mW, 0.6 and 30% as well 35.0 klux, respectively.</span>
<span style="font-size: 12pt; line-height: 115%; font-family: 'Times New Roman', serif; letter-spacing: 0.15pt; background-image: initial; background-position: initial; background-size: initial; background-repeat: initial; background-attachment: initial; background-origin: initial; background-clip: initial;"> </span>
Concentrated photovoltaic,light concentrators,convex lens,Fresnel lens,mono crystalline photovoltaic cell,short circuit current,open circuit voltage and output power
https://jsrs.journals.ekb.eg/article_122636.html
https://jsrs.journals.ekb.eg/article_122636_be7a1eaa5a993a3fee366d8ef138c58e.pdf