Results 91 to 100 of about 251,690 (300)
Medical Journal of Babylon, 2023 Background: Uncaria tomentosa is a traditional medicinal herb with antiviral, antioxidant, immunostimulating, anti-inflammatory, and anticancer effects. Objective: The present study was conducted to evaluate the antioxidant capacity in vitro and in vivo ...
Enass Najem Oubaid +2 more
doaj +1 more source
Demonstration of a 1/4 cycle phase shift in the radiation-induced oscillatory-magnetoresistance in GaAs/AlGaAs devices [PDF]
, 2004 We examine the phase and the period of the radiation-induced oscillatory-magnetoresistance in GaAs/AlGaAs devices utilizing in-situ magnetic field calibration by Electron Spin Resonance of DiPhenyl-Picryl-Hydrazal. The results confirm a $f$-independent 1/
J. H. Smet +12 more
core +2 more sources
Molecular Models of Rosmarinic Acid and DPPH [PDF]
Journal of Chemical Education, 2007 This month's Featured Molecules are the free radical DPPH· (2,2-diphenyl-1-picrylhydrazyl) and the cis- and trans- isomers of the antioxidant rosmarinic acid.
openaire +2 more sources
Flavonoids, cytotoxic, antioxidant and antibacterial activities of Evax pygmaea
Pharmaceutical Biology, 2017 Context: Phytochemical study and biological potential of Evax pygmaea (L.) Brot. (Asteraceae) are reported for the first time. Objective: To identify the secondary metabolites of Evax pygmaea and to determine its antioxidant, antibacterial and cytotoxic ...
Assia Khalfallah +7 more
doaj +1 more source
Liang you shipin ke-ji, 2021 Black wheat bran is by-products of the black wheat processing， which is rich in many physiological active substances， including anthocyanins， phenolic acids and dietary fiber. In this study， the antioxidant activity of black wheat bran was extracted with
YU Zhang-long +7 more
doaj +1 more source
Detecting External Electron Spins Using Nitrogen-Vacancy Centers [PDF]
, 2012 Near-surface nitrogen-vacancy (NV) centers have been created in diamond through low energy implantation of 15N to sense electron spins that are external to the diamond. By performing double resonance experiments, we have verified the presence of g=2 spins on a diamond crystal that was subjected to various surface treatments, including coating with a ...
arxiv +1 more source
Optimization of Ethanol-water Composition as Extraction Solvent in Producing Sambung Nyawa (Gynura Procumbens (Lour.) Merr.) Leaves Dry Extract [PDF]
, 2016 Sambung Nyawa leaves (Gynura procumbens (Lour.) Merr has been widely used as herbal medicine which requires a quality improvement of the dry extract for industrial production. Extraction solvent optimization is one key factor which determines the quality.
Hertiani, T. (Triana) +1 more
core
Comparative study of total phenolic content and radical scavenging activity of conventionally and organically grown herbs [PDF]
, 2010 The aim of the present study was to measure the relative phenolic content in commonly available conventionally and organically grown herbs and to evaluate their antioxidant capacity.
Ivanova, Daniela +3 more
core
Anti-atherogenic properties associated with the antioxidant activity from the hydrophilic extracts of Halimeda incrassata (Chlorophyta, Bryopsidales) [PDF]
, 2017 Seaweeds are a source of natural antioxidants having potential application in oxidative stress and associated diseases. In this work, anti-atherogenic properties associated with the antioxidant activity from the hydrophilic extracts of Halimeda ...
Claudina, Zaldívar-Munoz +8 more
core +1 more source
Chemické zvesti, 2018 Negative impact of radicals on humans and animals is responsible for growing research interest in antioxidant properties of substances, which protect living organisms from the damaging influence of these reactive species.
Małgorzata Olszowy, A. Dawidowicz
semanticscholar +1 more source