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Production of simplex RNS and ROS by nanosecond pulse N2/O2 plasma jets with homogeneous shielding gas for inducing myeloma cell apoptosis.
- Source :
-
Journal of Physics D: Applied Physics . 5/17/2017, Vol. 50 Issue 19, p1-1. 1p. - Publication Year :
- 2017
-
Abstract
- In this paper, atmospheric pressure N2/O2 plasma jets with homogeneous shielding gas excited by nanosecond pulse are obtained to generate simplex reactive nitrogen species (RNS) and reactive oxygen species (ROS), respectively, for the purpose of studying the simplex RNS and ROS to induce the myeloma cell apoptosis with the same discharge power. The results reveal that the cell death rate by the N2 plasma jet with N2 shielding gas is about two times that of the O2 plasma jet with O2 shielding gas for the equivalent treatment time. By diagnosing the reactive species of ONOO−, H2O2, OH and in medium, our findings suggest the cell death rate after plasma jets treatment has a positive correlation with the concentration of ONOO−. Therefore, the ONOO− in medium is thought to play an important role in the process of inducing myeloma cell apoptosis. [ABSTRACT FROM AUTHOR]
- Subjects :
- *REACTIVE nitrogen species
*PLASMA jets
*SHIELDING gases
Subjects
Details
- Language :
- English
- ISSN :
- 00223727
- Volume :
- 50
- Issue :
- 19
- Database :
- Academic Search Index
- Journal :
- Journal of Physics D: Applied Physics
- Publication Type :
- Academic Journal
- Accession number :
- 122652234
- Full Text :
- https://doi.org/10.1088/1361-6463/aa66f0