大气非热等离子体对结肠癌细胞侵袭的影响。
Effects of atmospheric nonthermal plasma on invasion of colorectal cancer cells.
作者信息
Kim Chul-Ho, Kwon Seyeoul, Bahn Jae Hoon, Lee Keunho, Jun Seung Ik, Rack Philip D, Baek Seung Joon
出版信息
Appl Phys Lett. 2010 Jun 14;96(24):243701. doi: 10.1063/1.3449575.
Abstract
The effect that the gas content and plasma power of atmospheric, nonthermal plasma has on the invasion activity in colorectal cancer cells has been studied. Helium and helium plus oxygen plasmas were induced through a nozzle and operated with an ac power of less than 10 kV which exhibited a length of 2.5 cm and a diameter of 3-4 mm in ambient air. Treatment of cancer cells with the plasma jet resulted in a decrease in cell migrationinvasion with higher plasma intensity and the addition of oxygen to the He flow gas.
摘要
已研究了大气非热等离子体的气体含量和等离子体功率对结肠癌细胞侵袭活性的影响。通过喷嘴诱导产生氦气和氦气加氧气的等离子体，并在交流功率小于10 kV的条件下运行，该等离子体在环境空气中的长度为2.5 cm，直径为3 - 4 mm。用等离子体射流处理癌细胞会导致细胞迁移侵袭减少，且随着等离子体强度的提高以及向氦气流气体中添加氧气，这种减少更为明显。
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