نتایج جستجو برای: michlers ketone
تعداد نتایج: 8527 فیلتر نتایج به سال:
OBJECTIVE To determine urine ketone and blood β-hydroxybutyrate acid (β-HBA) in outpatients of endocrinology department and to investigate the association between urine ketone or blood β-HBA and diabetic ketosis (DK) or diabetic ketoacidosis (DKA). METHODS Urine ketone, blood β-HBA, body mass index (BMI) and glycosylated hemoglobin (HbA1c) were determined in 134 patients with blood glucose ≥ ...
Using R-beta-[1-(11)C]hydroxybutyrate and positron emission tomography, we studied the effect of acute hyperketonemia (range 0.7-1.7 micromol/ml) on cerebral ketone body utilization in six nondiabetic subjects and six insulin-dependent diabetes mellitus (IDDM) patients with average metabolic control (HbA(1c) = 8.1 +/- 1.7%). An infusion of unlabeled R-beta-hydroxybutyrate was started 1 h before...
This paper describes the substrate specificity, synthetic scope, and efficiency of aldolase catalytic antibodies 38C2 and 33F12. These antibodies use the enamine mechanism common to the natural Class I aldolase enzymes. Substrates for these catalysts, 23 donors and 16 acceptors, have been identified. The aldol acceptor specificity is expected to be much broader than that defined here since all ...
25 26 The objective of this study was to determine the potential role of astrocyte-derived ketone bodies 27 in regulating the early changes in caloric intake of diet induced-obese (DIO) vs. diet resistant 28 (DR) rats fed a 31.5% fat high-energy (HE) diet. After 3 d on chow or HE diet, DR and DIO rats, 29 were assessed for their ventromedial hypothalamic (VMH) ketone bodies levels and neuronal ...
A double-isotope method for the measurement of ketone-body turnover in the rat. Effect of L-alanine.
The synthesis of 4-3H-labelled ketone bodies, and their use along with 14C-labelled ketone-body precursors, is employed using an 'in vivo' rat infusion model to measure ketone-body turnover. The use of two isotopes is necessary to measure ketone-body turnover when ketogenesis may occur from more than one precursor such as glucose and fatty or amino acids. Requirements of isotopic equivalence in...
Silica Vanadic Acid, SVA, (oxo-vanadium has been supported on silica) as a dual Lewis and Bronsted acid ability was prepared and efficiently catalyzed one-pot multi-component condensation of enolizable ketones or alkyl acetoacetates with aromatic aldehydes, acetonitrile and acetyl chloride. The described reaction was produced β-acetamido ketone or ester derivatives in high to excellent yields i...
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