在面向等离子体的液体系统中生成水性化学物种的特征,使用喷射等离子体
Joo Young Park1, Jin Hee Bae1,2, Seunghun Lee1
1Nano-Bio Convergence Division, Korea Institute of Materials Science, 797 Changwondae-ro, Changwon, 51508, Republic of Korea.
ChemistryOpen
|May 27, 2024
概括
像RPMI 1640这样的高导电性等离子体面流体 (PFL) 增强了等离子体放电,促进了反应性氧和物种 (RONS) 的产生. RPMI 1640有效地存储RONS,但迅速消除过氧化.
科学领域:
- 等离子体科学与工程等离子体科学与工程
- 血的生物医学应用
- 化学物理 化学物理
背景情况:
- 面向等离子体的液体 (PFLs) 在后处理后储存反应性氧和物种 (RONS),从而影响沉浸目标.
- 包括RONS生成和衰变在内的PFL行为对等离子体条件和液体特性敏感.
- 了解液体类型对等离子体放电和RONS的影响对于PFL应用至关重要.
研究的目的:
- 研究和比较RONS在脱离离子水中的生成和储存与高导电性PFL (RPMI 1640) 相比.
- 分析RPMI 1640的导电性和组成对等离子体放电特性和RONS动态的影响.
主要方法:
- 在无离子化水中生成和储存RONS和在等离子处理下进行RPMI 1640的比较研究.
- 血放电参数的表征和关键RONS (H2O2,NO2-) 随着时间的推移的量化.
- 在RPMI 1640液体中分析RONS衰变动力学.
主要成果:
- 作为电极的RPMI 1640,增强了等离子体放电功率,增加了基和NO的产生.
- 在RPMI 1640中,H2O2和NO2-的初始快速增加持续了200年,随后出现停滞.
- 由于反应常数很高,RPMI 1640迅速消除了H2O2 (<30分钟),而NO2-度保持稳定.
结论:
- 像RPMI 1640这样的高导电性PFL显著改变了等离子体放电特性,增强了RONS的产生.
- RPMI 1640 证明了有效的 RONS 存储容量,具有对 H2O2 和 NO2 的不同动力学.
- 液体介质的选择极大地影响了等离子体与液体的相互作用,以及由此产生的应用程序的RONS概况.
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