Bioscience, biotechnology, and biochemistry, 61(10), 1783-1785 (1997-11-15)
The absolute configuration of pectenotoxin-6 (4, PTX6), found in association with diarrhetic shellfish poisoning, was identified by NMR spectroscopy using a chiral anisotropic reagent, phenylglycine methyl ester (PGME), which was condensed with a carboxyl group of 4.
Journal of hazardous materials, 146(3), 440-446 (2007-05-29)
This paper reports on the combined solar photo-Fenton/biological treatment of an industrial effluent (initial total organic carbon, TOC, around 500mgL(-1)) containing a non-biodegradable organic substance (alpha-methylphenylglycine at 500mgL(-1)), focusing on pilot plant tests performed for design of an industrial plant
Journal of environmental monitoring : JEM, 13(1), 167-174 (2010-11-17)
A comparative Life Cycle Assessment (LCA) of solar photo-Fenton and solar photoelectro-Fenton, two solar-driven advanced oxidation processes (AOPs) devoted to the removal of non-biodegradable pollutants in water, is performed. The study is based on the removal, at laboratory scale, of
Protein engineering, design & selection : PEDS, 17(7), 571-579 (2004-08-31)
A semi-random mutagenesis approach was followed to increase the performance of penicillin acylase PAS2 in the kinetically controlled synthesis of ampicillin from 6-aminopenicillanic acid (6-APA) and activated D-phenylglycine derivatives. We directed changes in amino acid residues to positions close to
Kinetic regularities of the enzymatic acyl group transfer reactions have been studied using ampicillin synthesis catalyzed by E. coli penicillin acylase as an example. It was shown that ampicillin synthesis proceeds through the formation of an acylenzyme-nucleophile complex capable of
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