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...

The solid-phase Edman degradation procedure as proposed by Laursen [ 1] is ideally suited to the evaluation of peptidyl-resin products resulting from Merrifield solid-phase synthesis [2,3] of peptides. Incomplete deprotection and incomplete coupling reactions which occur during synthesis have been detected using quantitative Edman degradation [4,5]. However, extended sequencing experiments were...

Kraft lignin (KL) is the major pollutant in black liquor. The bacterial strain Pandoraea sp. B-6 was able to degrade KL without any co-substrate under high alkaline conditions. At least 38.2 % of chemical oxygen demand and 41.6 % of color were removed in 7 days at concentrations from 1 to 6 g L(-1). The optimum pH for KL degradation was 10 and the optimum temperature was 30 °C. The greatest act...

silica chloride converted benzyl or tert-butyl esters to the corresponding acid chlorides and alkyl chlorides. it also converted benzyl or tert-butyl phenyl ethers to the corresponding allcyl chlorides and phenol

TOL plasmid-encoded degradation of benzyl alcohol by Pseudomonas putida is inhibited by glucose and other compounds related to the main carbohydrate metabolism in Pseudomonas species. We report here that this effect is exerted at the level of expression of the xyl catabolic operons, and two xyl promoters, Pu and Ps, were identified as the primary targets of this inhibition. xyl promoter activat...

DNA is a major cellular target of the vesicant chemical warfare agent sulfur mustard (SM, bis-(2-chloroethyl) sulfide). Others and we have proposed a possible role of apoptosis in SM vesication. Our results suggest that in SM-exposed human epidermal keratinocytes (HEK), DNA damage, DNA repair, and apoptosis may be interdependent. In HEK, SM causes cell death accompanied by caspase-3 activation ...

During a study of the relationship between trace element deficiencies and the free amino acids in citrus, an unknown basic nitrogen compound was detected in leaf extracts. In most samples there was more of the unknown constituent than of any other basic nitrogen compound. However, it was not present in leaf samples from trees with manganese deficiency. A comparison of its paper chromatographic ...

In the cultured HEK model, we observed that mustard stimulates protease activity, and the epidermaldermal attachment protein laminin-5 is a substrate. Addition of serine protease inhibitors (50 μM ICD 2812 or 1 mM phenyl methyl sulphonyl fluoride (PMSF)), the metalloprotease inhibitor 1, 10phenanthroline (1 mM), or the general caspase inhibitor Z-VAD-FMK (benzyl oxycarbonyl-Val-Ala-Asp (o-methy...

BiFeO3 (BFO), Bi0.86Sm0.07Eu0.07FeO3 (BSEFO), and Bi0.86Sm0.07Cd0.07FeO3 (BSCFO) nano powders were prepared by the sol-gel combustion method and the catalytic performances were evaluated in the acetylation reaction of benzyl alcohol. The physical chemical properties of the catalysts were character...