The California based innovative UVC LED manufacturer Ray-Vio announced recently a high power UVC LED (280 nm) with a maximum output of 70 mW germicidal light. This is among the most powerful UVC LEDs demonstrated so far. The company plan to develop and market an even more powerful UVC LED reaching 100 mW in near future. Ray-Vio had demonstrated that 5 mW UVC LEDs are applicable as well and can be used for disinfection of drinking water within a few minutes of UVC exposure. Read More

Biofilm formation in endotracheal tubes
It is well-known from in-vitro experiments and analysis of catheters and endotracheal tubes (ET tubes) removed from patients, such as, that microorganisms settle on surfaces and form a biofilm within 24 hours.