نتایج جستجو برای: acidified sodium chlorite
تعداد نتایج: 190766 فیلتر نتایج به سال:
Oxidative cleavage of cycloalkene-1-carboxylates, made from the corresponding carboxylic acids, and subsequent oxidation of the resulting ketoaldehyde afforded the important 1-monoesters of 2-ketoalkanedioic acids. Thus ozonolysis of octyl cyclobutene-1-carboxylate followed by sodium chlorite oxidation afforded the 1-monooctyl 2-ketoglutarate. This is a cell-permeable prodrug form of α-ketoglut...
cis-[Ru(2,9-Me(2)phen)(2)(OH(2))(2)](2+) reacts readily with chlorite at room temperature at pH 4.9 and 6.8. The ruthenium(II) complex can catalyze the disproportionation of chlorite to chlorate and chloride, the oxidation of chlorite to chlorine dioxide, as well as the oxidation of alcohols by chlorite.
Sodium chlorite (SC) was shown to have strong efficacy both as a sanitizer to reduce microbial growth on produce and as a browning inhibitor on fresh-cut apples in previous experiments. This study was undertaken to investigate the inhibitory effect of SC on polyphenol oxidase (PPO) and the associated mechanisms. The experiment showed that SC had a strong inhibition of apple PPO. The extent of i...
Mechanisms involved in basolateral H/OH/HCO3 transport in the in vitro microperfused rat cortical thick ascending limb were examined by the microfluorometric determination of cell pH using (2',7')-bis-(carboxyethyl)-(5,6)-carboxyfluorescein. The mean cell pH in this segment perfused with 147 mM sodium and 25 mM HCO3 at pH 7.4 was 7.13±0.02 (n = 30). Lowering bath HCO3 from 25 to 5 mM (constant ...
The chlorite-tetrathionate reaction has been studied spectrophotometrically in the pH range of 4.65-5.35 at T = 25.0 +/- 0.2 degrees C with an ionic strength of 0.5 M, adjusted with sodium acetate as a buffer component. The reaction is unique in that it demonstrates autocatalysis with respect to the hydrogen and chloride ion products and the key intermediate, HOCl. The thermodynamically most-fa...
Salmonella enterica has been frequently linked to major foodborne disease outbreaks. The molecular mechanisms underlying this pathogen survival on the fresh fruit surface remain largely unexplored. In this study, the environmental factors that affect the survival of Salmonella strains on the surface of selected fruits were studied. Grape tomatoes (or cantaloupe peels) were inoculated in three s...
Without the addition of preservative compounds cucumbers acidified with 150 mM acetic acid with pH adjusted to 3.5 typically undergo fermentation by lactic acid bacteria. Fumaric acid (20 mM) inhibited growth of Lactobacillus plantarum and the lactic acid bacteria present on fresh cucumbers, but spoilage then occurred due to growth of fermentative yeasts, which produced ethanol in the cucumbers...
Individuals with a G-6-PD deficiency have long been known to be at increased risk to experience acute hemolysis following exposure to elevated levels of certain oxidant drugs and industrial chemicals. However, the recognition of enhanced susceptibility to environmental (or ambient) pollutants has generally not been considered. Recent theoretical studies have suggested that elevated levels of am...
The purpose of this study was to determine the effect of three cavity disinfectants (chlorhexidine gluconate-based. Consepsis; benzalkonium chlorite-based, Tubulicid red; sodium hypochlorite based-Chlorcid V on the self -etch dentine bonding agent ( Adeper Easy One,3M ESPE ) under SEM. Method and materials: 30 Class V cavity preparations were prepared on the buccal surfaces of extracted mandibu...
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