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Influence of a Transient Spark Plasma Discharge on Producing High Molecular Masses of Chemical Products from L-cysteine by Farhadi, Masume (author);Sohbatzadeh, Farshad (author) is a Biochemistry, Genetics and Molecular Biology article available to read on EtoBox.

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## Abstract Cold atmospheric pressure plasmas are considered a forthcoming method in many research areas. Plasma modification of biomolecules has received much attention in addition to plasma-treated biomaterials. Hence, in this work, we operated a transient spark plasma (TSP) discharge to study its effect on the l-cysteine chemical structure. the TSP was configured in a pin-to-ring electrode arrangement and flowed by Ar gas. We also investigated the effect of two chemicals; dimethyl sulfoxide (DMSO) and hydrogen peroxide (H~2~O~2~) by the bubbling method to show how they can change the creation of new chemical bioproducts. Ultraviolet–Visible absorption spectroscopy, Fourier transform infrared spectroscopy and Liquid chromatography–mass spectroscopy were used to investigate any changes in chemical bonds of cysteine structure and to depict the generation of new biomolecules. Based on the displayed results plasma-generated reactive species had a great role in the chemical structure of the cysteine. Entering DMSO and H~2~O~2~ into the plasma caused the creation of new products and the heaviest biomolecule was produced by the simultaneous addition of DMSO and H~2~O~2~. The results als

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Author

Farhadi, Masume (author);Sohbatzadeh, Farshad (author)

Publisher

Springer Science and Business Media LLC

Published

2023

Language

EN

Field

Biochemistry, Genetics and Molecular Biology (Life Sciences)