Spectral Characteristics of Needle Array-Plate Dielectric Barrier Discharge Plasma and Its Activated Water

The plasma-activated water (PAW), as a new environmentally friendly nonthermal processing technology, has attracted wide attention for its applications in agriculture, food, and biomedical fields. This paper used the needle array-plate dielectric barrier discharge (needle array-plate DBD) device to...

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Autores principales:	Yibing Li, Zhiqing Song, Tao Zhang, Wenqian Xu, Changjiang Ding, Hao Chen
Formato:	article
Lenguaje:	EN
Publicado:	Hindawi Limited 2021
Materias:	Optics. Light QC350-467
Acceso en línea:	https://doaj.org/article/68e6d74ea631413f81af4782c465ef7d
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spelling	oai:doaj.org-article:68e6d74ea631413f81af4782c465ef7d2021-11-15T01:19:00ZSpectral Characteristics of Needle Array-Plate Dielectric Barrier Discharge Plasma and Its Activated Water2314-493910.1155/2021/9771245https://doaj.org/article/68e6d74ea631413f81af4782c465ef7d2021-01-01T00:00:00Zhttp://dx.doi.org/10.1155/2021/9771245https://doaj.org/toc/2314-4939The plasma-activated water (PAW), as a new environmentally friendly nonthermal processing technology, has attracted wide attention for its applications in agriculture, food, and biomedical fields. This paper used the needle array-plate dielectric barrier discharge (needle array-plate DBD) device to activate deionized water and prepare PAW simply and efficiently. It was found that the concentration of reactive oxygen and nitrogen species (RONS) generated in the process of needle array-plate DBD was large and varied. Especially in the wavelength range of 600–770 nm, the spectral intensity is stronger. And, the ionic wind is more likely to interact with the deionized water. The changes in PAW parameters and UV/Vis spectra with treatment time were measured under different voltages and needle-dielectric plate distances. Results show that increasing discharge voltage or decreasing needle-dielectric plate distance increases the concentration of RONS, ionic wind speed, water evaporation, and conductivity of the PAW and decreases pH. UV/Vis spectra results show that prolonged treatment time results in increased total absorbance and concentrations of H2O2 and NO3− and that a new absorption peak appears at 210 nm in the UV/Vis spectra. When the wavelength is larger than 210 nm, a redshifted new peak and color enhancement are observed. The seeds of Astragalus adsurgens Pall were treated by discharge plasma, PAW, and the combination of plasma and PAW. It was found that high voltage and long-time activated PAW could significantly increase the ROS level of seeds and seedlings after germination for 3 days, resulting in oxidative stress damage. The survival rate of seeds was lower than that under the half lethal dose. This paper provides a feasible device design for treating activated water in large quantities with high efficiency, which is important for the application of PAW and mutation breeding of A. adsurgens Pall.Yibing LiZhiqing SongTao ZhangWenqian XuChangjiang DingHao ChenHindawi LimitedarticleOptics. LightQC350-467ENJournal of Spectroscopy, Vol 2021 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Optics. Light QC350-467
spellingShingle	Optics. Light QC350-467 Yibing Li Zhiqing Song Tao Zhang Wenqian Xu Changjiang Ding Hao Chen Spectral Characteristics of Needle Array-Plate Dielectric Barrier Discharge Plasma and Its Activated Water
description	The plasma-activated water (PAW), as a new environmentally friendly nonthermal processing technology, has attracted wide attention for its applications in agriculture, food, and biomedical fields. This paper used the needle array-plate dielectric barrier discharge (needle array-plate DBD) device to activate deionized water and prepare PAW simply and efficiently. It was found that the concentration of reactive oxygen and nitrogen species (RONS) generated in the process of needle array-plate DBD was large and varied. Especially in the wavelength range of 600–770 nm, the spectral intensity is stronger. And, the ionic wind is more likely to interact with the deionized water. The changes in PAW parameters and UV/Vis spectra with treatment time were measured under different voltages and needle-dielectric plate distances. Results show that increasing discharge voltage or decreasing needle-dielectric plate distance increases the concentration of RONS, ionic wind speed, water evaporation, and conductivity of the PAW and decreases pH. UV/Vis spectra results show that prolonged treatment time results in increased total absorbance and concentrations of H2O2 and NO3− and that a new absorption peak appears at 210 nm in the UV/Vis spectra. When the wavelength is larger than 210 nm, a redshifted new peak and color enhancement are observed. The seeds of Astragalus adsurgens Pall were treated by discharge plasma, PAW, and the combination of plasma and PAW. It was found that high voltage and long-time activated PAW could significantly increase the ROS level of seeds and seedlings after germination for 3 days, resulting in oxidative stress damage. The survival rate of seeds was lower than that under the half lethal dose. This paper provides a feasible device design for treating activated water in large quantities with high efficiency, which is important for the application of PAW and mutation breeding of A. adsurgens Pall.
format	article
author	Yibing Li Zhiqing Song Tao Zhang Wenqian Xu Changjiang Ding Hao Chen
author_facet	Yibing Li Zhiqing Song Tao Zhang Wenqian Xu Changjiang Ding Hao Chen
author_sort	Yibing Li
title	Spectral Characteristics of Needle Array-Plate Dielectric Barrier Discharge Plasma and Its Activated Water
title_short	Spectral Characteristics of Needle Array-Plate Dielectric Barrier Discharge Plasma and Its Activated Water
title_full	Spectral Characteristics of Needle Array-Plate Dielectric Barrier Discharge Plasma and Its Activated Water
title_fullStr	Spectral Characteristics of Needle Array-Plate Dielectric Barrier Discharge Plasma and Its Activated Water
title_full_unstemmed	Spectral Characteristics of Needle Array-Plate Dielectric Barrier Discharge Plasma and Its Activated Water
title_sort	spectral characteristics of needle array-plate dielectric barrier discharge plasma and its activated water
publisher	Hindawi Limited
publishDate	2021
url	https://doaj.org/article/68e6d74ea631413f81af4782c465ef7d
work_keys_str_mv	AT yibingli spectralcharacteristicsofneedlearrayplatedielectricbarrierdischargeplasmaanditsactivatedwater AT zhiqingsong spectralcharacteristicsofneedlearrayplatedielectricbarrierdischargeplasmaanditsactivatedwater AT taozhang spectralcharacteristicsofneedlearrayplatedielectricbarrierdischargeplasmaanditsactivatedwater AT wenqianxu spectralcharacteristicsofneedlearrayplatedielectricbarrierdischargeplasmaanditsactivatedwater AT changjiangding spectralcharacteristicsofneedlearrayplatedielectricbarrierdischargeplasmaanditsactivatedwater AT haochen spectralcharacteristicsofneedlearrayplatedielectricbarrierdischargeplasmaanditsactivatedwater
_version_	1718428989275504640

Spectral Characteristics of Needle Array-Plate Dielectric Barrier Discharge Plasma and Its Activated Water

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