نتایج جستجو برای: acetamido ketone
تعداد نتایج: 9509 فیلتر نتایج به سال:
Ketone bodies are the most energy-efficient fuel and yield more ATP per mole of substrate than pyruvate and increase the free energy released from ATP hydrolysis. Elevation of circulating ketones via high-fat, low-carbohydrate diets has been used for the treatment of drug-refractory epilepsy and for neurodegenerative diseases, such as Parkinson's disease. Ketones may also be beneficial for musc...
OBJECTIVE To assess the effect of overnight insulin pump suspension in an automated predictive low glucose suspend system on morning blood glucose and ketone levels in an attempt to determine whether routine measurement of ketone levels is useful when a closed-loop system that suspends insulin delivery overnight is being used. RESEARCH DESIGN AND METHODS Data from an in-home randomized trial ...
A rapid and reproducible method for the assay of 14C radioactivity in ketone bodies is described, based on the heat lability of acetoacetate and the ability of beta-hydroxybutyrate to quantitatively bind to and elute from an ion exchange resin. Potential interference from 14C activity in the ketone body metabolites (CO2, bicarbonate and acetone) during infusion of 14C-labeled ketone bodies is e...
1. A pentasaccharide, corresponding to the dephosphorylated repeating unit of the specific substance, S.29, from Pneumococcus type 29, was obtained by hydrolysis with alkali followed by enzymic dephosphorylation. 2. The pentasaccharide was shown to be O-2-acetamido-2-deoxy-beta-d-galactopyranosyl-(1-->6)-O-beta-d-galactofuranosyl-(1-->3)-O-beta-d-galactopyranosyl-(1-->6)-O-beta-d-galactofuranos...
Low concentrations of sodium metaperiodate induce specific oxidative cleavage of sialic acids between carbon 7 and carbon 8 or carbon 8 and carbon 9. The aldehydes formed can easily be reduced with NaB3H4 to tritiated 5-acetamido-3,5-dideoxy-L-arabino-2-heptulosonic acid or 5-acetamido-3,5-dideoxy-L-arabino-2-octulosonic acid. At 0 degrees, the periodate anion penetrates the cell plasma membran...
Starting from D-mannose, D-glucose and L-fucose, the pentasaccharide derivative methyl 2,3,4-tri-O-benzyl-alpha-L-fucopyranosyl-(1-->3)-2-O-acetyl-4,6-O-benzylidene-alpha-D-mannopyranosyl-(1-->3)-2-O-acetyl-6-O-benzyl-4-O-(2,3,4-tri-O-benzyl-alpha-L-fucopyranosyl)-alpha-D-mannopyranosyl-(1-->4)-[2-(trimethylsilyl)ethyl 2,3-di-O-benzyl-beta-D-glucopyranosid]uronate was synthesized. This compound...
A new series of 1-acetamido-(benzothiazol-2'-yl)-5-aryltetrazole and Benzothiazol-2'-yl-1-ethylamine-5aryltetrazole were synthesized by [3+2] cycloaddition reaction of an organic azide with organic nitriles. The chemical structures of the synthesized compounds were confirmed by IR, H NMR, mass spectral and elemental analysis. The compounds were screened for antibacterial, antifungal and analges...
N,N'-diacetylbacillosamine is a novel sugar that plays a key role in bacterial glycosylation. Three enzymes are required for its biosynthesis in Campylobacter jejuni starting from UDP-GlcNAc. The focus of this investigation, PglE, catalyzes the second step in the pathway. It is a PLP-dependent aminotransferase that converts UDP-2-acetamido-4-keto-2,4,6-trideoxy-d-glucose to UDP-2-acetamido-4-am...
In the title compound, C(15)H(14)N(2)O(5)S, the dihedral angle between the aromatic rings is 63.20 (11) Å. The crystal structure displays classical inter-molecular O-H⋯O hydrogen bonding typical for carb-oxy-lic acids, forming centrosymmetric dimers. These dimers are further connected by N-H⋯O and C-H⋯O hydrogen bonds to form an extended network.
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