Plasma technology is being focused on the medical, food, and pharmaceutical fields for sterilization applications. The sterilizing effect of the 13.56-MHz radio-frequency (RF) plasma generated by using argon gas was studied usingStaphylococcus aureus, one of the most common pathogens liable to hospital-acquired infections. The major focus of this paper was to perform a parametric study by varying the external-process parameters such as plasma treatment time, RF power, gas-flow rate, and pressure on the inactivation ofS. aureus. The results were supported by optical emission spectroscopy and scanning electron microscopy studies.
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Sureshkumar et al. (2009) studied this question.
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