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Novel microcavity plasma jet devices operating at atmospheric gas pressure have been fabricated in a flexible, robust and optically transparent polymer. By a micromolding process, large scale arrays of microcavities, each having a diameter of hundreds of microns and embedded electrodes, have been fabricated with various form factors that can be precisely controlled.
A direct current atmospheric pressure cold plasma jet was used to inactivate Staphylococcus aureus (S. aureus) suspended in a liquid. Three types of gases, pure argon (99.999%), argon with 2% oxygen, and argon with 2% oxygen and 10% nitrogen were used as operating gases respectively. The inactivation efficacies for the plasma jets operating in the three gases decrease from Ar/O2(2%) to Ar/O2(2%)/N2(10%)...
Summary form only given. Dermatophytes are the most common aetiological agents, which invade into keratinized tissues (skin, hair, nails) of humans and animals causing dermatophytosis (also known as ringworm or tinea). Swimming pools, fitness centers, barber shops, beauty parlors, saunas and steam baths are common places to pick up superficial fungal infections. Mycotic infections have become more...
Summary form only given. Eating habits, smoking, drugs and chemicals can cause undesirable staining of teeth. Tooth bleaching has become a popular dental practice to remove stains from the tooth surface for aesthetic or therapeutic purposes. Clinical teeth-whitening involves the application of H2O2 gel (35%), which might be harmful after prolonged use.In this paper, we present tooth-whitening results...
Summary form only given. Aqueous environments are susceptible to contamination by bacteria, protozoa and viruses, which are the root cause of various illnesses. These contaminations are usually treated by chemical methods. Recently, attempts have been made to inactivate bacteria in water with non-thermal plasmas using various approaches, e.g., a pulsed streamer discharge plasma or a gliding arc discharge...
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