نتایج جستجو برای: benzyl degradation
تعداد نتایج: 158975 فیلتر نتایج به سال:
Porous BiOCl hexagonal prisms have been successfully prepared through a simple solvothermal route. These novel BiOCl HPs with porous structures are assembled from nanoparticles and exhibit high activity and selectivity toward the photocatalytic aerobic oxidation of benzyl alcohol to benzaldehyde and degradation of methyl orange.
Compared to yeast esterase, fungal cutinase degraded butyl benzyl phthalate (BBP) far more efficiently; i.e., almost 60% of the BBP disappeared within 7.5 h. Also, the final chemical composition significantly depended on the enzyme used. Toxicity monitoring using bioluminescent bacteria showed that butyl methyl phthalate, a major product of degradation by esterase, was an oxidative toxic hazard.
Abstract Monomeric C 6 -C 2 -type lignin model compounds with a p -hydroxyphenyl ( H ), guaiacyl G syringyl S or -ethylphenyl E ) nucleus (1-phenylethanol derivatives) were individually oxidized by MnO at pH of 1.5 and room temperature. The results compared those the corresponding 1 benzyl alcohol derivatives obtained in our recent report to examine effect presence β -methyl group on oxidation....
Purpose: In this article we studied the effect of the packaging material on the liquid stability of interferon alpha 2b (rhIFN-α2b). Methods: The compatibility of this cytokine with type I borosilicate glass ampoules was evaluated by ELISA and RP-HPLC, at 4oC and after heat sealing. Additionally, the influence of protein concentration (3 and 10 MIU/ml), buffer species (sodium phosphate, sodium ...
Leualacin is a new calcium channel blocker with a unique cyclic depsipeptide structure; it was isolated from a fungi Hapsidospora irregularis. The fermentation, isolation and characterization of leualacin have been reported in a previous paper1*. In this report, we describe the structure determination of leualacin (l l-benzyl-2,5,8-triisobutyl-10-methyll,7-dioxa-4,10,13-triazacyclohexadecane-3,...
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A new, simple, selective, precise and accurate thin-layer chromatographic method for quantification of nefopam hydrochloride in formulations has been established and validated. TLC F254 silica gel plates in combination with a mixture of chloroform : methanol : glacial acetic acid (9 : 2: 0.1, v/v/v) as mobile phase were used. UV detection was performed densitometrically at a wavelength of 222nm...
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Novel N-amino benzylthiolates were synthesized via multicomponent reaction of malononitrile, isothiocyanates and benzyl halides under conventional and solvent-free conditions. Various electron-donating and -withdrawing substitutes within both isothiocyanates and benzyl halides were used to demonstrate the efficiency of new methodology. A broad spectrum of antibacterial and antifungal activities...
Simple, cheap and green protocol for effective conversion of alcohols to corresponding carbonyl compounds in the presence of H14[NaP5W30O110] and ammonium nitrate is reported. The products were characterized by FT-IR and comparison of their physical properties with those reported in the literatures. The progress of the reaction was monitored by thin layer chromatography (TLC) technique. The ali...
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