Tohoku University Technology: Injection device of liquid containing active species and sterilization & extermination method: T18-272
Avoid temperature rise of the injection device due to plasma and maintain a high sterilization effect
Injection device of liquid with active species have been developed in order to disinfect and extermine pathogens and pests using plasma. This device is configured to create plasma to generate the active species, and to inject the liquid containing the active species through a jet. However, the heat of plasma raises temperature of the liquid in the reaction vessel, and the short-lived active species may be deactivated if the plasma discharge time is too long so the sterilization effect may be reduced. This invention can provide an injection device of liquid containing active species and sterilization & extermination method that can maintain a high disinfection effect even when the plasma discharge time is long. This invention has a dissolution injection means containing active species which is obtained by dissolving plasma-active gas into liquid and a cooling means to prevent the temperature rise in order to maintain a high sterilization effect.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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