標題: | Inactivation Effect of Colletotrichum Gloeosporioides by Long-Lived Chemical Species Using Atmospheric-Pressure Corona Plasma-Activated Water |
作者: | Wu, Mu-Chien Liu, Chih-Tung Chiang, Chun-Yi Lin, Yi-Jia Lin, Ying-Hong Chang, Yao-Wen Wu, Jong-Shinn 機械工程學系 Department of Mechanical Engineering |
關鍵字: | Antifungal activity;atmospheric-pressure plasma jet;colletotrichum gloeosporioides (C. gloeosporioides);indirect interaction;plasma activated water (PAW);reactive nitrogen and oxygen species |
公開日期: | 1-二月-2019 |
摘要: | In this paper, atmospheric-pressure air and oxygen corona plasma jets under water surface have been used to generate plasma-activated water (PAW) to inactivate colletotrichum gloeosporioides (C. gloeosporioides) suspension. The atmospheric-pressure plasma jets in the water were characterized by measuring: 1) the electrical and optical properties for evaluating the plasma efficiency and 2) the physicochemical properties of PAW, including pH value, oxidation-reduction potential value, and the concentration of hydrogen peroxide, nitrite, and ozone. The aim of this paper is to investigate the effects of long-lived reactive oxygen and nitrogen species (RONS) and environmental factor (acidity) in PAW on fungicidal property. The results of antifungal activity show that the inactivation rate of C. gloeosporioides is higher using air-PAW than oxygen-PAW, and increases with increasing reaction time when preparation time of PAW is fixed as 30 min. This correlates well with measurements of the aqueous-phase long-lived RONS concentration such as nitrate and ozone, suggesting these species play crucial roles in the inactivation process. |
URI: | http://dx.doi.org/10.1109/TPS.2018.2871856 http://hdl.handle.net/11536/148842 |
ISSN: | 0093-3813 |
DOI: | 10.1109/TPS.2018.2871856 |
期刊: | IEEE TRANSACTIONS ON PLASMA SCIENCE |
Volume: | 47 |
起始頁: | 1100 |
結束頁: | 1104 |
顯示於類別: | 期刊論文 |