Results 261 to 270 of about 5,063,962 (310)

Modeling the Reaction Kinetics of Multiconformational Molecules: Gas Phase Reactions of Pyruvic Acid with OH-Radicals.

Journal of Physical Chemistry A, 2020
The gas phase reaction of pyruvic acid with the OH-radical is studied theoretically using accurate quantum chemistry and transition state theory. Two chemically distinct H-atom abstraction reactions and two distinct OH addition reactions have been ...
J. Church, V. Vaida, R. T. Skodje
semanticscholar   +1 more source

The Impact of pH and NaCl and CaCl2 Salts on the Speciation and Photochemistry of Pyruvic Acid in the Aqueous Phase.

Journal of Physical Chemistry A, 2020
Recent studies have shown that pyruvic acid can produce higher-molecular-weight compounds upon irradiation in the aqueous phase. These compounds can contribute to the formation of secondary organic aerosols.
Man Luo, D. Shemesh, M. N. Sullivan, M. R. Alves, Meishi Song, R. Gerber, V. Grassian   +6 more
semanticscholar   +1 more source

Absorption spectra of pyruvic acid in water: insights from calculations for small hydrates and comparison to experiment.

Physical Chemistry, Chemical Physics - PCCP, 2020
Pyruvic acid is abundant in the atmosphere and in seawater, being a decay product of living organisms. Although very small in size (10 atoms), pyruvic acid exhibits conformational complexity in the gas phase and in solution, which is reflected in the UV ...
D. Shemesh, Man Luo, V. Grassian, R. Gerber   +3 more
semanticscholar   +1 more source

Pyruvic Acid Dimethylhydrazone. A Synthetic Equivalent of the Pyruvic Acid Dianion

Chemistry Letters, 1990
Abstract The pyruvic acid dimethyl hydrazone can be easily prepared in ether. This compound, after deprotonation with alkyllithium, forms a strong nucleophile which on treatment with electrophiles and acidic work up yield α-ketoacids, α-hydroxybutenolides or α,γ-diketoacids.
Manuel Grande, Joaquín R. Morán, Victoria Alcázar, I. Tapia, C. Caballero   +4 more
openaire   +3 more sources

Reaction of pyruvic acid with nitrosobenzenes

J. Chem. Soc., Chem. Commun., 1992
Pyruvic acid reacts with nitrosobenzes in both acid-catalysed and uncatalysed reactions giving N-phenylacetohydroxamic acids.
Mario Gabričević, Valerije Vrček, Stanko Uršić, Branka Zorc   +3 more
openaire   +2 more sources

Biotechnological production of pyruvic acid

Applied Microbiology and Biotechnology, 2001
Pyruvic acid is an important organic acid widely used in the chemical and drug, as well as agrochemical, industries. Compared with the chemical method, biotechnological production of pyruvic acid is an alternative approach because of the low cost. An overview of biotechnological production of pyruvate, including direct fermentative production employing
Jian Chen, Shi-Yi Lun, Yin Li
openaire   +2 more sources

Pulpal response to pyruvic acid

Journal of Oral Pathology & Medicine, 1977
Abstract. Etching of enamel surfaces produces a marked increase in the bond strength of dental materials to tooth structure. The results of recent studies have indicated that pyruvic acid may be used in preference to phosphoric acid, because of its milder etching effect on enamel surfaces, without adversely affecting the bond strength.
D. H. Relief, J. C. Austin
openaire   +3 more sources

Direct Photoreforming of Real-World Polylactic Acid Plastics into Highly Selective Value-Added Pyruvic Acid under Visible Light.

Journal of the American Chemical Society
Although polylactic acid (PLA) represents a pivotal biodegradable polymer, its biodegradability has inadvertently overshadowed the development of effective recycling techniques, leading to the potential wastage of carbon resources.
Yingxuan Miao, Yunxuan Zhao, Junyu Gao, Jinhu Wang, Tierui Zhang   +4 more
semanticscholar   +1 more source

Pyruvic acid as an etching agent

Journal of Oral Rehabilitation, 1976
SummaryPhosphoric acid at different concentrations has been extensively used as an etching agent to improve bonding of dental materials to enamel surfaces. Recently attention has been drawn to the possible use of polyfunctional organic acids as conditioning agents.The object of this investigation was to determine the optimal concentration of pyruvic ...
E. H. M. Merwe, D. H. Retief, J. I. Bischoff   +2 more
openaire   +3 more sources

Heterogeneous Interactions between Gas-Phase Pyruvic Acid and Hydroxylated Silica Surfaces: A Combined Experimental and Theoretical Study.

Journal of Physical Chemistry A, 2019
The adsorption of gas-phase pyruvic acid (CH3COCOOH) on hydroxylated silica particles has been investigated at 296 K using transmission Fourier transform infrared (FTIR) spectroscopy and theoretical simulations. Under dry conditions (
Yuan Fang, Dominika Lesnicki, K. Wall, M. Gaigeot, M. Sulpizi, V. Vaida, V. Grassian   +6 more
semanticscholar   +1 more source