Results 271 to 280 of about 552,216 (306)
Some of the next articles are maybe not open access.
Antioxidant ability of anthocyanins against ascorbic acid oxidation
Phytochemistry, 1997Oxidation of ascorbic acid by metal ions like copper was prevented by addition of anthocyanin (cyanidin derivative). Previous reports attributed the ability of flavonoids to protect ascorbate oxidation to the metal complexing properties of these compounds.
Annamraju D. Sarma +2 more
openaire +1 more source
A Comparison of Scavenging Abilities of Antioxidants against Hydroxyl Radicals
Archives of Biochemistry and Biophysics, 1996The reactivities of various antioxidative compounds including catechol derivatives and endogenous radical scavengers toward hydroxyl radical (.OH) were investigated by an electron spin resonance-spin trapping method, thiobarbituric acid method, and DNA strand scission assay.
J, Ueda, N, Saito, Y, Shimazu, T, Ozawa
openaire +2 more sources
Carvedilol improved diabetic rat cardiac function depending on antioxidant ability
Diabetes Research and Clinical Practice, 2007The risk for cardiovascular disease is significantly high in diabetes mellitus. Oxidative stress plays a dominant role in the pathogenesis of diabetes mellitus. Bcl-2 gene has a close connection with antagonizing oxidative stress destroy in many diseases including diabetes.
He, Huang +5 more
openaire +2 more sources
Captopril and 6-mercaptopurine: Whose SH possesses higher antioxidant ability?
European Journal of Medicinal Chemistry, 2009Antioxidant capacities of captopril (CAP), 6-mercaptopurine (6-MP) and 9-(beta-D-ribofuranosyl)-6-mercaptopurine (6-MPR) were investigated by interacting them with 2,2'-diphenyl-1-picrylhydrazyl (DPPH), galvinoxyl radical, and 2,2'-azinobis(3-ethylbenzothiazoline-6-sulfonate) cation radical (ABTS(+)(*)), and by protecting DNA and erythrocyte against 2 ...
Guo-Xiang, Li, Zai-Qun, Liu
openaire +2 more sources
Theoretical study of antioxidative ability and antioxidative mechanism of norathyriol in solution
Computational and Theoretical Chemistry, 2014Abstract A quantum mechanical approach has been used to shed light on the antioxidative mechanism for scavenging OOH and OH radicals by norathyriol in the solution phase. Density functional theory (DFT) calculations at the B3LYP and UB3LYP/6-311+G(d,p) level are used to optimize norathyriol and its different radical forms.
openaire +1 more source
Carbohydrate Research, 2011
A quantum mechanical approach has been used to shed light on the antioxidative mechanism for scavenging hydroxyl radicals (()OH) and superoxide radicals (O2-) by rutin in the solution phase. Density-functional theory (DFT) using B(3)LYP and UB(3)LYP functional and split-valance 6-311+G(∗∗) basis sets were used to optimize rutin and its different ...
Mina, Ghiasi, Majid M, Heravi
openaire +2 more sources
A quantum mechanical approach has been used to shed light on the antioxidative mechanism for scavenging hydroxyl radicals (()OH) and superoxide radicals (O2-) by rutin in the solution phase. Density-functional theory (DFT) using B(3)LYP and UB(3)LYP functional and split-valance 6-311+G(∗∗) basis sets were used to optimize rutin and its different ...
Mina, Ghiasi, Majid M, Heravi
openaire +2 more sources
Improved antioxidative ability of porous carbons by boron-doping
New Carbon Materials, 2008Abstract Porous carbon prepared by KOH chemical activation was doped with boron using B 4 C as an additive (mass fraction of 10%) by heat treatment at 850 °C for 5 h to increase its antioxidative ability. This effect is a result of a decrease in the number of active sites on the surface of the carbon after heat treatment, which inhibits its reaction ...
Qing-fang Zha +5 more
openaire +1 more source
Determination of the Antioxidants’ Ability to Scavenge Free Radicals Using Biosensors
2010Free radicals are highly reactive molecules generated during cellular metabolism. However, their overproduction results in oxidative stress, a deleterious process that can damage cell structures, including lipids and membranes, proteins and DNA. Antioxidants respond to this problem, scavenging free radicals.
Montserrat, Cortina-Puig +4 more
openaire +3 more sources
Bioelastomers Based on Cocoa Shell Waste with Antioxidant Ability
Advanced Sustainable Systems, 2017In this study, a new strategy for the utilization of cocoa shell waste, a by‐product of cocoa industry, is presented for the development of new bioelastomers. The cocoa shell waste (CSW) is first micronized and then incorporated into single component acetoxy‐poly(dimethylsiloxane) (acetoxy‐PDMS) macromolecular matrix by a mixing process to produce ...
Thi Nga Tran +6 more
openaire +1 more source