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Non-thermal plasma induces apoptotic cell death mediated by p53 activation. (A) Immunoblotting was performed using the total cell extract from HCT116 cells at 24 h after plasma exposure as indicated with antibodies against Bax, Bcl2, and α-tubulin. (B) Expression of p53 protein in these cells was examined by western blotting and α-tubulin protein served as a loading control.
