We are faced with a global epidemic of myopia (short-sightedness) because we are deprived of deep violet light (360-400 nm). Myopia is projected to rise from 23 to 50 percent of the world’s population ...

The same lightbulbs used in offices and public spaces can destroy coronaviruses and HIV, according to a new study from University of Toronto (U of T) Scarborough. Researchers killed both viruses using ...

Ultraviolet (UV) disinfection has been incorporated into both drinking water and wastewater treatment processes for several decades. Conventional UV disinfection is driven by mercury-halogen lamps ...

LEDs emitting light in the range of 200 nm to 400 nm are classified as UV LEDs. Within this range, there are three bands, UV-A with wavelengths from 300 nm to 400 nm, UV-B with wavelengths between 280 ...

I ordered some 405nm LEDs (20ma, 3.3V nominal) and just finished swapping out all the white LEDs from a walmart brand christmas light string. I'm planning on using them to decorate the room and for a ...

LED-UV curing technology for offset printing can offer fast curing times, energy efficiency, and high-quality results. Transitioning to this technology has the potential to generate significant ...

Access to clean and safe water is a fundamental human right and a foundation of public health. Microbial contamination of drinking water remains a major cause of waterborne disease worldwide, with a ...