| Budget Amount *help |
¥17,940,000 (Direct Cost: ¥13,800,000、Indirect Cost: ¥4,140,000)
Fiscal Year 2019: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2018: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2017: ¥10,400,000 (Direct Cost: ¥8,000,000、Indirect Cost: ¥2,400,000)
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| Outline of Final Research Achievements |
A new analysis and measurement technology to evaluate the properties of ultrafine bubbles (UFB) was developed. We have developed a slow freeze-thaw method for evaluating the purity of UFB as well as UFB water dilution and concentration technology. The efficient production technology of ozone water for sterilization of E. coli were also obtained by using fast dissolution of gas by using microbubble aeration. We also succeeded in producing single microbubbles using a microchannel and UFB from water by irradiating ultrasonic waves.
In addition, we established the International Fine Bubble Consortium in Germany-Canada-Japan and we hosted two international workshops on UFB in Canada in 2018 and 2019. In 2017, Prof. Terasaka and Prof. Schlueter held an international conference in Japan as chairs.
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