Related topics: ultraviolet light

Watching plants switch on genes using a fluorescent protein

Biologists often use green fluorescent protein (GFP) to see what happens inside cells. GFP, which scientists first isolated in jellyfish, is a protein that changes light from one color into another. Attaching it to other ...

How light can be used to control processes in synthetic cells

Synthetic (artificially produced) cells can imitate certain functions of biological cells. These synthetic cells could open up new medical possibilities in the future. In laboratories, such cells can already help in chemical ...

A plastic film that can kill viruses using room lights

Researchers at Queen's University Belfast have developed a plastic film that can kill viruses that land on its surface with room light. The self-sterilizing film is the first of its kind—it is low cost to produce, can be ...

Shining light on why plastics turn yellow

If you own a retro gaming console or have an old roll of packing tape, you've seen how plastics turn yellow as they age. Though the cause of this color change has long been attributed to the formation of molecules that act ...

Rethinking indoor air chemistry

People typically spend 90% of their lives inside, at home, at work, or in transport. Within these enclosed spaces, occupants are exposed to a multitude of chemicals from various sources, including outdoor pollutants penetrating ...

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