Results 51 to 60 of about 88,475 (354)

Cytotoxicity, antinociceptive and gastroproiltective potential of the Abuta selloana Eichler: a fruit plant from Catarinense flora, Brazil

open access: yesAnais da Academia Brasileira de Ciências, 2022
This study evaluated some biological activities of extracts from Abuta selloana. The gastroprotective potential was determined against ethanol/HCl- and indomethacin-induced gastric ulcers, whereas the antinociceptive effect was evaluated by acetic acid ...
LUCIANE A.N. NESELLO   +9 more
doaj   +1 more source

Free Radical Scavenging Activity of Elsholtzia densa

open access: yesJournal of Acupuncture and Meridian Studies, 2012
Medicinal plants have been used traditionally to cure a variety of diseases since ancient times. Elsholtzia densa, a rare annual herb of the Kashmir valley, was assessed for its antioxidant efficacy. Antioxidant activity of the crude extracts was evaluated using 1, 1- diphenyl-2-picryl hydrazyl free radical (DPPH), DNA sugar damage, lipid peroxidation,
Akbar Masood   +7 more
openaire   +3 more sources

Pericytes change function depending on glioblastoma vicinity: emphasis on immune regulation

open access: yesMolecular Oncology, EarlyView.
Pericytes alter their transcriptome depending on their proximity to the tumor core. In the tumor core, pericytes display a more active state with higher communication strength but with lower immune activation potential and a shift toward extracellular matrix production.
Carolina Buizza   +5 more
wiley   +1 more source

A combined "electrochemical-frustrated Lewis pair" approach to hydrogen activation: surface catalytic effects at platinum electrodes [PDF]

open access: yes, 2014
Herein, we extend our “combined electrochemical–frustrated Lewis pair” approach to include Pt electrode surfaces for the first time. We found that the voltammetric response of an electrochemical–frustrated Lewis pair (FLP) system involving the B(C6F5)3 ...
Ashley   +48 more
core   +2 more sources

Iron‐dependent lysosomal LDL oxidation induces the expression of scavenger receptor A in human THP‐1 monocytes

open access: yesFEBS Open Bio, EarlyView.
In human monocytic cells THP‐1, a limited uptake of native—not oxidized—LDL/VLDL induced expression of scavenger receptor A and cellular adhesion. Induction was inhibited by lysosomotropic (WR‐1065) and lipophilic (BHT) antioxidants and by siRNAs against ferritinophagy.
Martina Čierna   +4 more
wiley   +1 more source

Evaluation of Free Radical Scavenging Activity in Ethanolic Extract from Promising Accessions of Curcuma aeruginosa RoxB.

open access: yesMolekul, 2017
This study evaluated the free radical scavenging activity in ethanolic extracts from 20 accessions of Curcuma aeruginosa. The radical scavenging activity of the extract accessions was investigated with 2,2-diphenyl-1-picrylhydrazyl (DPPH) radical.
Waras Nurcholis   +3 more
doaj   +1 more source

Study on Ultrasonic Degradation of Pentachlorophenol Solution [PDF]

open access: yes, 2006
Pentachlorophenol (PCP) ion was degraded by ultrasound at 25 C. Four aspects that could affect the degradation of PCP were investigated, i.e. initial pH of solution, initial concentration of pentachlorophenol ion, different sound intensity with catalyst ...
N. Xu, X.P. Lu, Y.R. Wang
core   +1 more source

OXIDATIVE CHANGES OF LIPIDS, PROTEINS AND ANTIOXIDANTS IN YOGURT DURING THE SHELF LIFE [PDF]

open access: yes, 2017
Background: Oxidation processes in milk and yogurt during the shelf life can result in an alteration of protein and lipid constituents. Therefore, the antioxidant properties of yogurt in standard conditions of preservation were evaluated. Results: Total
Bellamio, Marco   +7 more
core   +1 more source

Matrix: a complex amalgam of structures and functions in tumor microenvironment

open access: yesFEBS Open Bio, EarlyView.
The matrix is a dynamic, intricate three‐dimensional mesh of biomolecules with both structural and functional properties. This review deals with the complexity of this ‘molecular amalgam’ in the tumor microenvironment and highlights its importance in the maintenance and evolution of tumors by describing certain matrix biomolecules, such as ...
Spyros S. Skandalis   +3 more
wiley   +1 more source

Dual aspect of radioenhancers and free radical scavengers

open access: yesFree Radical Biology and Medicine, 2020
Combining an external beam of ionizing particles with agents to augment the dose effects of cell damages for therapeutic purpose is an important goal of radiotherapy. This last decade intensive works have focused on metal compounds or metal nanoparticles as radiosensitizers to increase the oxidative damages under irradiation.
Claude Le Sech, Ryoichi Hirayama
openaire   +4 more sources

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