Kinetic Study for Molecular Recognition of Amino Acid by Cyclodextrin in Aqueous Solution

2001 ◽  
Vol 105 (17) ◽  
pp. 4248-4251 ◽  
Author(s):  
Takaho Ugawa ◽  
Sadakatsu Nishikawa
Keyword(s):  
Aqueous Solution ◽  
Amino Acid ◽  
Molecular Recognition ◽  
Kinetic Study

Kinetic study of CO2 with various amino acid salts in aqueous solution

2009 ◽  
Vol 64 (1) ◽  
pp. 59-68 ◽  
Author(s):  
J. van Holst ◽  
G.F. Versteeg ◽  
D.W.F. Brilman ◽  
J.A. Hogendoorn
Keyword(s):  
Aqueous Solution ◽  
Amino Acid ◽  
Kinetic Study ◽  
Amino Acid Salts ◽  
Acid Salts

Kinetic study of the polymerization of α-amino acid N-carboxyanhydrides in aqueous solution using capillary electrophoresis

2002 ◽  
Vol 952 (1-2) ◽  
pp. 239-248 ◽  
Author(s):  
R. Plasson ◽  
J.Ph. Biron ◽  
H. Cottet ◽  
A. Commeyras ◽  
J. Taillades
Keyword(s):  
Aqueous Solution ◽  
Capillary Electrophoresis ◽  
Amino Acid ◽  
Kinetic Study

Kinetic study of permanganate oxidation of L-leucine in neutral aqueous solution

1988 ◽  
Vol 53 (3) ◽  
pp. 479-486 ◽  
Author(s):  
Enrique Brillas ◽  
José A. Garrido ◽  
Joaquin F. Perez-Benito ◽  
Rosa M. Rodriguez ◽  
Jaime de Andres
Keyword(s):  
Aqueous Solution ◽  
Amino Acid ◽  
Kinetic Study ◽  
Kinetic Data ◽  
Reaction Pathways ◽  
Soluble Form ◽  
Permanganate Oxidation ◽  
Zwitterionic Form ◽  
Neutral Aqueous Solution ◽  
Ph Range

The permanganate oxidation of L-leucine in aqueous phosphate buffers over the pH range 6.1 – 7.6 is autocatalyzed by the manganese reduction product, a soluble form of colloidal manganese dioxide. The kinetic data for both the non-catalytic and autocatalytic reaction pathways have been obtained, and mechanism in agreement with them proposed. The non-catalytic pathway takes place by reaction between either the anionic or the zwitterionic form of the amino acid and permanganate ion, whereas the autocatalytic pathway is realized by the permanganate oxidation of the amino acid previously adsorbed on the colloid surface.

Aqueous solution thickening of amino acid‐based surfactant by alkylpyrrolidone

2021 ◽  
Author(s):  
Xuemin Liu ◽  
Ke Wu ◽  
Weili Song ◽  
Qiuyun Lei ◽  
Hui Zhang ◽  
...  
Keyword(s):  
Aqueous Solution ◽  
Amino Acid

Cationic poly-L-amino acid-enhanced selective hydrogen production based on formate decomposition with platinum nanoparticles dispersed by polyvinylpyrrolidone

2021 ◽  
Author(s):  
Yusuke Minami ◽  
Yutaka Amao
Keyword(s):  
Aqueous Solution ◽  
Amino Acid ◽  
Hydrogen Production ◽  
Formic Acid ◽  
Platinum Nanoparticles ◽  
Hydrogen Carrier ◽  
Low Toxicity ◽  
Formate Decomposition

Formate is attracting attention as a hydrogen carrier because of its low toxicity and easy handling in aqueous solution. In order to utilize formic acid as a hydrogen carrier, a...

A novel route for aspartame production by combining enzymatic and chemical reactions for industrial use

2020 ◽  
Vol 85 (2) ◽  
pp. 464-466
Author(s):  
Kenzo Yokozeki ◽  
Isao Abe
Keyword(s):  
Aqueous Solution ◽  
Amino Acid ◽  
Chemical Reactions ◽  
Acid Ester ◽  
Amino Acid Ester ◽  
Acyl Transferase ◽  
Enzymatic Production ◽  
Production Route ◽  
Industrial Use ◽  
Hcl Removal

ABSTRACT Here, we report a novel industrial aspartame production route, involving the enzymatic production of α-l-aspartyl-l-phenylalanine β-methylester from l-aspartic acid dimethylester and l-phenylalanine by α-amino acid ester acyl transferase. The route also involves the chemical transformation of α-l-aspartyl-l-phenylalanine β-methylester to α-l-aspartyl-l-phenylalanine methylester hydrochloride (aspartame hydrochloride) in an aqueous solution with methanol and HCl, followed by HCl removal to form aspartame.

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