Ultrasonic relaxation due to inclusion complex of amino acid by β-cyclodextrin in aqueous solution

2004 ◽  
Vol 115 (5) ◽  
pp. 2325-2330 ◽  
Author(s):  
Takanori Fukahori ◽  
Sadakatsu Nishikawa ◽  
Kyohei Yamaguchi
Keyword(s):  
Aqueous Solution ◽  
Amino Acid ◽  
Inclusion Complex ◽  
Ultrasonic Relaxation

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.

Oxidative Peptide Bond Formation of Glycine-Amino Acid using 2-(Aminomethyl)malononitrile as a Glycine Unit

2021 ◽  
Author(s):  
Xiaoling Wang ◽  
Jing Li ◽  
Yujiro Hayashi
Keyword(s):  
Aqueous Solution ◽  
Amino Acid ◽  
Bond Formation ◽  
Peptide Bond ◽  
Peptide Bond Formation ◽  
Amide Linkage

Amide linkage of glycine-amino acid was synthesized by coupling of substituted 2-(aminomethyl)malononitrile as a C-terminal glycine unit and N-terminal amine using CsOAc and O2 in aqueous solution. This is a...

NMR spectroscopy of inclusion complex of d-(-)-chloramphenicol with β-cyclodextrin in aqueous solution

Il Farmaco ◽  
2004 ◽  
Vol 59 (10) ◽  
pp. 835-838 ◽  
Author(s):  
Syed Mashhood Ali ◽  
Fahmeena Asmat ◽  
Arti Maheshwari
Keyword(s):  
Aqueous Solution ◽  
Nmr Spectroscopy ◽  
Inclusion Complex

Self-assembly properties of some chiral N-palmitoyl amino acid surfactants in aqueous solution

2008 ◽  
Vol 319 (2) ◽  
pp. 526-533 ◽  
Author(s):  
Mariana Gerova ◽  
Fernanda Rodrigues ◽  
Jean-François Lamère ◽  
Alexander Dobrev ◽  
Suzanne Fery-Forgues
Keyword(s):  
Aqueous Solution ◽  
Amino Acid ◽  
Self Assembly
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