Results 161 to 170 of about 11,092 (201)
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Pyruvate decarboxylating activity in extracts from pigeon liver acetone powder
Biochemical Medicine, 1983Extracts of pigeon liver acetone powder showed, by a radiochemical method, considerable pyruvate decarboxylating activity. The 10-30% saturated ammonium sulfate fraction of these extracts required the addition of CoA, NAD+, and TPP for maximum pyruvate decarboxylating activity and presumably contained the pyruvate dehydrogenase complex (PDHC).
John A. Barranger +1 more
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The role of electron transfer processes in the photoinduced decarboxylation of alkyl pyruvates
Journal of the Chemical Society, Perkin Transactions 2, 1983Irradiation of degassed solutions of alkyl pyruvates leads to the production of carbon dioxide, the yield of which is enhanced by the presence of electron acceptors, and in the case of methylviologen, the formation of reduced methylviologen is observed.
R. Stephen Davidson +2 more
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Carbon-13 and deuterium isotope effects on oxalacetate decarboxylation by pyruvate carboxylase
Biochemistry, 1986Deuterium and 13C isotope effects for the enzymic decarboxylation of oxalacetate showed that both deuterium- and 13C-sensitive steps in the reaction are partially rate limiting. A normal alpha-secondary effect of 1.2 per deuterium was calculated for the reaction in which pyruvate-d3 was the substrate, suggesting that the enolate of pyruvate was an ...
Paul V. Attwood +2 more
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The effects of fatty acids on oxidative decarboxylation of pyruvate in rat small intestine
Biochimica et Biophysica Acta (BBA) - General Subjects, 1974Abstract 1. 1. Rat small intestinal epithelial cells were incubated in vitro at 30°C in bicarbonate buffer, pH 7,4, with 2 mM [1- 14 C]pyruvate. The rate of formation of 14 CO 2 was inhibited by 5 mM octanoate (58%), 5 nM d,l -3-hydroxybutyrate (37%) and 5 nM acetate (17%). No significant inhibition was observed, when 5 mM propionate was used.
W.C. Hülsmann, Jos M. J. Lamers
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Dimerization of pyruvate induced by the zinc(II)-catalysed decarboxylation of oxaloacetate
Journal of the Chemical Society, Chemical Communications, 1975The ZnII-catalysed rate of formation of pyruvate dimer(parapyruvate) is enhanced by the decarboxylation of oxac2–, providing evidence for the postulated existence of intermediate pyruvate enolate in both of these reactions.
Brian J. Lillis, Daniel L. Leussing
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Rates of oxidative decarboxylation of pyruvate in the isolated working guinea pig heart
Journal of Molecular and Cellular Cardiology, 1977 Rolf Bünger +2 more
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Recueil des Travaux Chimiques des Pays-Bas, 1990
AbstractAcetaldehyde has been converted into pyruvic acid (42% yield) via the reaction of 2 ‐(1‐hydroxyethyl)thiamin (3) with carbon dioxide at 50 atm. (DMF, 20 C).
Leendert Maat +4 more
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AbstractAcetaldehyde has been converted into pyruvic acid (42% yield) via the reaction of 2 ‐(1‐hydroxyethyl)thiamin (3) with carbon dioxide at 50 atm. (DMF, 20 C).
Leendert Maat +4 more
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Thiamin deficiency effects on rat leukocyte pyruvate decarboxylation rates
The American Journal of Clinical Nutrition, 1978Thiamin status usually is assessed by urinary excretion of thiamin or by exogenous thiamin pyrophosphate (TPP) stimulation of erythrocyte transketolase activity. Because of the possible great utility of a biologically and chemically sensitive alternative method for thiamin status assessment, studies were made of rat leukocyte pyruvate decarboxylation ...
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Clinica Chimica Acta, 1991
We assayed the rates of lactate production from [1-14C]pyruvate and decarboxylation of [1-14C]pyruvate in cultured skin fibroblasts from 8 patients with disorders of pyruvate metabolism and 16 control subjects. The disorders of pyruvate metabolism could be more readily detected by measuring the ratio between the rates of lactate production and pyruvate
Etsuo Naito +7 more
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We assayed the rates of lactate production from [1-14C]pyruvate and decarboxylation of [1-14C]pyruvate in cultured skin fibroblasts from 8 patients with disorders of pyruvate metabolism and 16 control subjects. The disorders of pyruvate metabolism could be more readily detected by measuring the ratio between the rates of lactate production and pyruvate
Etsuo Naito +7 more
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Potentiometric determination of L-glutamic and pyruvic acids via enzymatic decarboxylation
Bioelectrochemistry and Bioenergetics, 1976Abstract A potentiometric method, for the determination of L -glutamic acid via enzymatic decarboxylation, was reported previously. In this method, a CO 2 -electrode is used for the measurement of carbon dioxide released from the decarboxylation of glutamic acid.
Sidney K. Wolfson +3 more
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