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Atmospheric pressure nonequilibrium plasmas have recently obtained considerable attention for several emerging applications such as surface modification and materials processing, biological and chemical decontaminations of media, thin film deposition, synthesis of nano materials, and water decontamination. On the other hand, because atmospheric pressure plasma jet devices can generate plasmas that...
Summary form only given. For root canal disinfection, the principal methods include mechanic cleaning, irrigation, laser irradiation, ultrasound, application of hypochlorite, and other anti-bacterial compounds. Clinic studies show that there are about 10% of treatment failures when the traditional disinfection methods are used. The failures are mainly due to the presence of bacteria, which can't be...
Summary form only given. As low-temperature nonequilibrium plasmas come to play an increasing role in biomedical applications, reliable and user friendly sources need to be developed. These plasma sources have to meet stringent requirements such as low temperature (at or near room temperature), operation at atmospheric pressure, portability, etc. We have recently developed a plasma pencil that is...
Summary form only given. One of the attractive characteristics of nonequilibrium plasmas is their enhanced plasma chemistry without the need for elevated gas temperatures. This is because the plasma chemistry is driven by the energetic electrons, while the heavy particles remain at low energy. To enhance the gas chemistry, the electron energy distribution function can be controlled in a way to shift...
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