Molecular-structure variation of biomolecules irradiated with atmospheric-pressure plasma through plasma/liquid interface

被引：1

作者：

Takenaka, Kosuke ^{[1
]}

Miyazaki, Atushi ^{[1
]}

Kawabata, Kazufumi ^{[1
]}

Uchida, Giichiro ^{[1
]}

Setsuhara, Yuichi ^{[1
]}

机构：

[1] Osaka Univ, Joining & Welding Res Inst, Ibaraki, Osaka 5670047, Japan

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS | 2015年 / 54卷 / 01期

关键词：

INDUCTANCE-ANTENNA MODULES; AMINO-ACIDS; INFRARED-SPECTRA; METAL-COMPLEXES; STERILIZATION; ALANINE; RAMAN; DISCHARGE; DENSITY; DRIVEN;

D O I：

10.7567/JJAP.54.01AF04

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Plasma interactions with organic materials through a plasma/liquid interface have been investigated via the degradation of L-alanine in liquid by irradiation with atmospheric-pressure He plasma. The optical emission spectra of atmospheric-pressure He plasma show considerable emissions of He lines and emissions of O, N, H, and OH radicals attributed to the dissociation of air and water. Variation in the molecular structure of L-alanine in aqueous solution irradiated with the plasma has been observed by Fourier transform infrared (FT-IR) spectroscopy and X-ray photoemission spectroscopy (XPS). The results obtained from FT-IR and XPS analyses show that the atmospheric-pressure He plasma exposure affects the structural variation of L-alanine in solution owing to the oxidation by irradiated radicals from plasma through the plasma/liquid interface. (C) 2015 The Japan Society of Applied Physics

引用

页数：5

共 45 条

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