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| 1 | Aqueous extracts of microalgae exhibit antioxidant and anticancer activities显示文摘Objective:To investigate the antioxidant and anticancer activities of aqueous extracts of nine microalgal species.Methods:Variable percentages of major secondary metabolites(total phenolic content,terpenoids and alkaloids) as well as phycobiliprotein pigments(phycocyanin, allophycocyanin and phycoerythrin) in the aqueous algal extracts were recorded.Antioxidant activity of the algal extracts was performed using 2,2 diphenyl-1-picrylhydrazyl(DPPH) test and 2,2'azino-bis(ethylbenzthiazoline-6-sulfonic acid(ABTS.) radical cation assay.Anticancer efficiency of the algal water extracts was investigated against Ehrlich Ascites Carcinoma cell(EACC) and Human hepatocellular cancer cell line(HepG2).Results:Antioxidant activity of the algal extracts was performed using DPPH test and ABTS.^+ radical cation assays which revealed 30.1-72.4%and 32.0-75.9%respectively.Anticancer efficiency of the algal water extracts was investigated against Ehdich Ascites Carcinoma Cell(EACC) and Human Hepatocellular cancer cell line(HepG2) with an activity ranged 87.25%and 89.4%respectively.Culturing the promising cyanobacteria species;Nostoc muscorum and Oscillatoria sp.under nitrogen stress conditions(increasing and decreasing nitrate content of the normal BG11 medium,1.5 g/L),increased nitrate concentration(3,6 and 9 g/L) led to a remarkable increase in phycobilin pigments followed by an increase in both antioxidant and anticancer activities in both cyanobacterial species.While the decreased nitrate concentration(0.75,0.37 and 0.0 g/L) induced an obvious decrease in phycobilin pigments with complete absence of allophycocyanin in case of Oscillatoria sp.Conclusions:Nitrogen starvation(0.00 g/L nitrate) induced an increase and comparable antioxidant and anticancer activities to those cultured in the highest nitrate content. | Sanaa MM Shanab Soha SM Mostafa Emad A Shalaby Ghada I Mahmoud | 2012 | Asian Pacific Journal of Tropical Biomedicine2012，2，8： | 6 |
| 2 | Char- acterization and evaluation of the hydraulic activity of water-cooled slag and air-cooled slag显示文摘 | Mostafa N Y E1-Hemaly S A S Al-Wakeel E I | 2001 | Cement and Concrete Research2001，31，6： | 1 |
| 3 | Some Studies on Starch Carbamate显示文摘 | KHALIL M I FARAG S MOSTAFA KH M | 1994 | Starch1994，46，8： | 1 |
| 4 | Thyroid hormone patterns in elderly patients undergoing elective coronary procedures显示文摘 | Nammas W Mostafa M Sabry I | 2011 | Eur Rev Med Pharmacol Sci2011，15，2： | 1 |
| 5 | Computational fluid dynamics simulation of air temperature destribution inside broiler building fitted with duct ventilation system显示文摘 | Mostafa E Lee I B Song S H | 2012 | Biosystems Engineering2012，112，4： | 1 |
| 6 | A 60 dB 246 MHz CMOS variable gain amplifier for subsampling GSM receivers 显示文摘 | MOSTAFA M A I EMBABI S H K ELMALA M | 2003 | IEEE Transactions on Very Large Scale Integra- tion (VLSI) Systems2003，11，5： | 1 |
| 7 | Edge-detection method using binary morphology on hexagonal images显示文摘 | Mostafa K Chiang J Y Her I | 2015 | The Imaging Science Journal2015，63，3： | 1 |
| 8 | Cellulase production and conversion of rice straw to lactic acid by simultaneous saccharification and fermentation显示文摘 | Ei Hawary F I Mostafa Y S Laszlo E | 2001 | Acta Alimentaria2001，30，3： | 1 |
| 9 | A novel control algorithm for the DG interface to mitigate power quality problems显示文摘 | Marei Mostafa I EI-Saadany Ehab F Salama Magdy M A | 2004 | IEEE Trans on Power Delivery2004，19，3： | 1 |
| 10 | Factors affecting cellulase production by Trichoderma koningiitate fermentation显示文摘 | HAWARY F I MOSTAFA Y S | 2001 | Biotechnol Bioeng2001，72，： | 1 |
| 11 | Graft polymerization of acry2 lamide onto maize starch using potassium persulfate as initiator 显示文摘 | Khalil M I Mostafa K M Hebeish A | 1993 | Angewandte Makromolekulare Chemie1993，213，1： | 1 |
| 12 | Factors affecting cellulase production by Trichoderma koningii显示文摘 | E1-Hawary F I Mostafa Y S | 2001 | Acta Alimentaria2001，30，1： | 1 |
| 13 | Chemical modification-induced improvement in the electrical characteristics of radiation- functionalized polypropylene sheets显示文摘 | El-HAG ALI A MOSTAFA T B RAAFAT A I | 2010 | Polym Int2010，59，4： | 1 |
| 14 | Sedation practices for gastrointestinal endoscopy in Europe, North America, Asia, Africa and Australia显示文摘 | Ladas S D Satake Y Mostafa I | 2010 | Digestion2010，82，2： | 1 |
| 15 | Thyroid hormone patterns in elderly patients undergoing elective coronary procedures显示文摘 | Nammas W Mostafa M Sabry I | 2011 | Eur Rev Med Pharmacol Sci2011，15，2： | 1 |
| 16 | Biomarkers characteristics of crude oils from some oilfields in the gulf of Suez,Egypt显示文摘 | ROUSHDY M I NADY M M EI MOSTAFA Y M | 2010 | Journal of American Science2010，6，11： | 1 |
| 17 | Sedation practices for gastrointestinal endoscopy in Europe , North Ameri- ca, Asia, Africa and Australia显示文摘 | Ladas S D Satake Y Mostafa I | 2010 | Digestion2010，82，2： | 1 |
| 18 | Response of fixed offshore platforms to wave and current loading including soilstructure interaction 显示文摘 | Mostafa Y E Hesham M Naggar E I | 2004 | Soil Dynamic and Earthquake Engineering2004，，24： | 1 |
| 19 | Response of fixed offshore platforms to wave and current loading including soil-structure interaction显示文摘 | MOSTAFA Y E HESHAM M NAGGAR E I | 2004 | Soil Dynamics and Earthquake Engineering2004，24，4： | 1 |
| 20 | Graft copolymerization of acrylamide onto starch initiated by supersulphate 显示文摘 | Khalil M I Mostafa K M Hebeish A | 1993 | Die Angew Macoronaol Chena1993，213，： | 1 |
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