Researchers from National Cheng Kung University, Taiwan, have developed a pen-sized device that can sterilise medical instruments and wounds.
The device works on the principle of plasma sterilisation, in which UV photons and ionised gas are released near the area requiring sterilisation to destroy the atoms that the bacteria need for survival.
This plasma sterilisation device can destroy bacteria including Escherichia coli, Staphylococcus aureus and thermophilic bacilli in 90 to 120 seconds, and costs about one-tenth of the current laser-sterilisation technology.
As this device does not produce toxic substances or cause pollution, it can be used for the sterilisation of medical equipment.
The research team is now partnering with the university hospital to conduct a clinical trial involving oral sterilisation.
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