نتایج جستجو برای: aliphatic alcohols
تعداد نتایج: 18416 فیلتر نتایج به سال:
The configurations of aliphatic substances containing in their molecules several secondary alcoholic groups, or one or more secondary alcoholic groups in addition to a polar radicle as -COOH, -CHO, or = C =O, have been correlated to a single reference substance, lactic acid. Nothing is known, however, regarding the stereochemical relationships of simple secondary alcohols to the same substance ...
An enzyme that is capable of hydrolytic conversion of halogenated aliphatic hydrocarbons to their corresponding alcohols was purified from a 1,6-dichlorohexane-degrading bacterium. The dehalogenase was found to be a monomeric protein of relative molecular mass 28,000. The affinity for its substrates was relatively low with Km values for short-chain haloalkanes in the range 0.1-0.9 mM. The aliph...
The nuclear pore complex (NPC) is a permeable sieve that can dilate to facilitate the bidirectional translocation of a wide size range of receptor-cargo complexes. The binding of receptors to FG nucleoporin docking sites triggers channel gating by an unknown mechanism. Previously, we used deoxyglucose and chilling treatments to implicate Nup170p and Nup188p in the control of NPC sieving in Sacc...
We studied the aliphatic alcohols in 100 urines from 25 patients with diabetes mellitus under treatment with insulin, oral antidiabetic medication, or special diet. The procedure involves adsorption of the low-molecular-weight urinary metabolites on a porous polymer of 2,6-diphenyl-p-phenylene oxide (Tenax GC), gas-chromatographic separation, mass spectrometric identification, and mass fragment...
Aliphatic alcohols of chain lengths of 24–34 carbons have been found to be beneficial in treating hypercholesterolemia. Approximately 40% of beeswax is long-chain esters which can be transesterified in supercritical carbon dioxide to give these alcohols and fatty acid methyl esters. The methanolysis reaction was catalyzed by an immobilized lipase from Candida antarctica in flowing supercritical...
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