Results 51 to 60 of about 75,689 (262)
Molecules, 2019 Four new constituents, as cis-6-oxogeran-4-enyl-10-oxy-O-β-arabinopyranosyl-4′-O-β-arabinopyranosyl-2″-octadec-9‴,12‴,15‴-trienoate (1), geran-3(10)-enyl-1-oxy-O-β-arabinopyranosyl-4′-O-β-arabinopyranosyl-2″ ...
Ill-Min Chung +7 more
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Synthesis, in vitro safety and antioxidant activity of new pyrrole hydrazones
Acta Pharmaceutica, 2020 Six new N-pyrrolylhydrazide hydrazones were synthesized under micro synthesis conditions, assuring about 59–93 % yield, low harmful emissions and reagent economy. The structures of the new compounds were elucidated by melting points, TLC characteristics,
Tzankova Diana +5 more
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Advanced Science, EarlyView.A biomimetic hydrogel (HPC@Gel) was developed for traumatic brain injury repair by combining oxygen‐carrying hemoglobin nanoparticles and anti‐inflammatory carbon quantum dots within a brain‐like matrix. The system alleviated hypoxia, reduced harmful neuroimmune signaling, protected neurons, supported neural regeneration, and improved neurological and ...
Peng Liu +12 more
wiley +1 more source
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 +1 more source
Advanced Science, EarlyView.A pH/MMP dual‐responsive Bifidobacterium longum (BL) hydrogel (INPs@BL@Gel) functionalized with baicalin, tyrosine, and inulin is constructed. It enables gastric protection, inflammation‐targeted release, and prolonged intestinal colonization. By remodeling gut microbiota, elevating beneficial neuroactive metabolites (homovanillic acid, short‐chain ...
Shuo Zhang +17 more
wiley +1 more source
EPR Spectrum Analysis of DPPH and MnCl2
International Journal For Multidisciplinary Research, 2023 This paper presents the findings of electron paramagnetic resonance (EPR) spectroscopy experiments conducted on two different samples: 2,2-diphenyl-1-picrylhydrazyl (DPPH) and Manganese Chloride (MnCl2) dissolved in H2O. The experiments were conducted at Dr. D. Petasis EPR lab located in Allegheny College, Meadville, PA, USA.
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Advanced Science, EarlyView.An integrated probiotic system is engineered to execute a programmed therapeutic cascade against inflammatory bowel disease. Upon pathological signals, the system sequentially performs ROS scavenging, tungsten release, and selective pathogen suppression, thereby breaking the oxidative stress–dysbiosis cycle to remodel gut microbiota and reinforce ...
Yang Yang +8 more
wiley +1 more source
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
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The Potential of Liquid Tofu Waste in Increasing Antioxidant Activity of Robusta Green Coffee
Biosaintifika: Journal of Biology & Biology Education, 2018 Robusta is the most widely cultivated coffee in Indonesia (90% of the total Indonesian coffee production). Antioxidant activity and polyphenol content of Robusta coffee is higher than Arabica coffee or the other plants.
Ayu Rahmawati Sulistyaningtyas +1 more
doaj +1 more source
Advanced Science, EarlyView.We developed a pH responsive theranostic serum albumin hydrogel named BST, functionalized with MRI and CT probes and loaded with mitochondria targeted CAT‐SOD nanogels, that rapidly self repairs and mechanically stabilizes the infarcted myocardium, releases therapeutic nanogels and albumin under hypoxia induced acidosis to clear mitochondrial ROS ...
Zheng Luo +7 more
wiley +1 more source