過酸化水素-低温プラズマ法の滅菌機構に関する研究 : 指標菌の細胞内物質の濃度変化

概要

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An attempt to clarify the sterilization mechanism of microorganism by plasma discharging in addition of hydrogen peroxide has been carried out. Pottasium (K) and phosphorus (P) concentration changes in the marked bacteria : Bacillus subtilis (BS) and Staphylococcus aureus (SA) in contact with the radicals generated from hydrogen peroxide by the plasma discharging technique at low temperatute. Then, K and P concentrarion changes were comprared with those at the autoclaving and ethylene oxide sterilization. K concentration change was more markedly than P concentration change in both bacteria by these three sterilizations, And then, BS was more sensitive than SA in the term of K in these sterilizations. It was guessed that the injury effect against the cell membranes of the BS and SA was nearly same.
1998-12-01