نتایج جستجو برای: dcfh
تعداد نتایج: 390 فیلتر نتایج به سال:
Solar water disinfection (SODIS) is a zero-cost intervention measure to disinfect drinking water in areas of poor access to improved water sources, used by more than 6 million people in the world. The bactericidal action of solar radiation in water has been widely proven, nevertheless the causes for this remain still unclear. Scientific literature points out that generation of reactive oxygen s...
The aim of this study was to evaluate and compare the cellular antioxidant activities of Lantana montevidensis, Lippia multiflora, and Ocimum gratissimum leaves often consumed as herbal teas in a rural area of Bandundu severely affected by konzo, which is related to oxidative damage. Consequently, dietary supplements with proven antioxidant potentialities could be of real interest to promote in...
PURPOSE To investigate the protective effect of clusterin on oxidative stress-induced cell death of human corneal endothelial cells. METHODS Human corneal endothelial cells (HCECs) were cultured according to previously published methods. With treatment of various concentrations (0-50 mM) of tert-butyl hydroperoxide (tBHP) or clusterin, reactive oxygen species (ROS) producrion was measured usi...
The mechanisms underlying gut development, especially peristalsis, are widely studied topics. However, the causes of gut peristalsis-related diseases, especially Opioid-Induced Bowel Dysfunction (OIBD) disorder, have not been well defined. Therefore, our study used zebrafish, a popular model for studying both gut development and peristalsis, and DCFH-DA, a dye that clearly labels the live fish ...
The present investigation was undertaken to study the cytotoxic and genotoxic potential of the essential oils (palmarosa, citronella, lemongrass and vetiver) and monoterpenoids (citral and geraniol) in human lymphocytes. Trypan blue dye exclusion and MTT test was used to evaluate cytotoxicity. The genotoxicity studies were carried out by comet and DNA diffusion assays. Apoptosis was confirmed b...
Disturbances in oxidative metabolism are involved in many acute and chronic diseases, as well as in several other conditions. The objective of the present study was to examine the relationship between the level of intracellular reactive oxygen species in the peripheral blood granulocytes of mice, as evaluated by 2',7'-dichlorofluorescin diacetate (DCFH-DA), a sensor of reactive oxygen species, ...
We investigated the effect of Euphorbia supina extract on the production of cellular reactive oxygen species (ROS) in order to evaluate its antioxidative activity. The H2O2-induced ROS generation was measured with dichlorofluorescein-diacetate (DCFH-DA) assay. The acetone+methylene chloride (A+M) and methanol (MeOH) extracts dose-dependently decreased ROS production induced by H2O2 compared to ...
Experimental section Materials Cetyltr imethyl ammonium bromide (C16TAB), tetraethyl orthosilicate (TEOS), Fe3O4 NPs (ca. 20 nm) and 3,3',5,5'-tetramethylbenzidine (TMB) were obtained from Aladdin. Titanium potassium oxalate (K2TiO(C2O4)2·2H2O), hydrogen peroxide (H2O2, 30%) and potassium ferricyanide were purchased from Sinopharm Chemical Reagent Co., Ltd. Potassium ferrate (K2FeO4), 3-aminopr...
Spinal cord injury is pathologically characterized by the loss of motor function caused neurons apoptosis. Store-operated calcium entry (SOCE) widely known to dictate apoptosis various cell types. To examine SOCE in spinal and explore role apoptosis, patients with (SCI) SCI mouse models were included. Expression components apoptosis-related proteins examined Western blotting. Calcium imaging wa...
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