Hiro, K., Imanishi, M., Fukuoka, H., Itsuki, A. and Kotake, H. 2022. INACTIVATION EFFECTS OF NEGATIVE PRESSURES BY A METAL BERTHELOT TECHNIQUE ON BACTERIA SOLUTIONS: Received: 27th June 2022; Revised: 8th September 2022, 18th November 2022, 14th November 2022; Accepted: 19th November 2022. MATTER: International Journal of Science and Technology. 8, (Nov. 2022), 187–201. DOI:https://doi.org/10.20319/mijst.2022.8.187201.