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Decomposition of L-Valine under Nonthermal Dielectric Barrier Discharge Plasma
Journal article

Decomposition of L-Valine under Nonthermal Dielectric Barrier Discharge Plasma

Yingying Li, Arben Kojtari, Gary Friedman, Ari D. Brooks, Alex Fridman and Hai-Feng Ji
The journal of physical chemistry. B, v 118(6), pp 1612-1620
13 Feb 2014
DOI: https://doi.org/10.1021/jp411440k
PMID: 24450953
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

Chemistry Chemistry, Physical Physical Sciences Science & Technology
L-Valine solutions in water and phosphate buffer were treated with nonthermal plasma generated by using a dielectric barrier discharge (DBD) device and the products generated after plasma treatments were characterized by H-1 NMR and GC-MS. Our results demonstrate that L-valine is decomposed to acetone, formic acid, acetic acid, threomethylaspartic acid, erythro-methlyaspartic acid, and pyruvic acid after direct exposure to DBD plasma. The concentrations of these compounds are time-dependent with plasma treatment. The mechanisms of L-valine under the DBD plasma are also proposed in this study. Acetone, pyruvic acid, and organic radicals (CHO)-C-center dot, CH3COCH2OO center dot (acetonylperoxy), and CH3COC(OH)(2)OO center dot (1,1-dihydroxypropan-2-one peroxy) may be the determining chemicals in DNA damage.

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42 citations in Web of Science
51 citations in Scopus

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Web of Science research areas
Chemistry, Physical
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