Bulletin of the American Physical Society
75th Annual Gaseous Electronics Conference
Volume 67, Number 9
Monday–Friday, October 3–7, 2022;
Sendai International Center, Sendai, Japan
The session times in this program are intended for Japan Standard Time zone in Tokyo, Japan (GMT+9)
Session FT2: Plasma Chemical Synthesis and Conversion
10:00 AM–12:00 PM,
Tuesday, October 4, 2022
Sendai International Center
Room: Shirakashi 1
Chair: Masaharu Shiratani, Kyushu University
Abstract: FT2.00005 : Reaction Mechanism for the Atmospheric Pressure Plasma Jet Treatment of Cysteine in Solution*
11:15 AM–11:30 AM
Presenter:
Jordyn Polito
(University of Michigan)
Authors:
Jordyn Polito
(University of Michigan)
Sanjana J Kerketta
(University of Michigan)
María J Herrera Quesada
(North Carolina State University)
katharina Stapelmann
(North Carolina State University)
Mark J Kushner
(University of Michigan)
In this work we developed a reaction mechanism for the computational investigation of atmospheric pressure plasma jet treatment of cysteine in water and saline solutions. Analogous reactions for gas-phase RONS with organic molecules are extended to solution. The validity of this approach is discussed. A global plasma chemistry model adapted for plasma-liquid interactions was used to investigate the effects of plasma activated oxidizing (e.g., O, OH) and biocidal (e.g., OCl-) species on the final oxidation states of cysteine in solution. The interactions of these RONS with the cysteine molecule will be discussed and compared to experiments.
[1] K. Stapelmann et al., J. Phys. D Appl. Phys. 54, 434003 (2021).
* Work was supported by the US National Science Foundation (2020010) and the US Department of Energy Office of Fusion Energy Sciences (DE-SC0020232).
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