Sentences with phrase «change under ultraviolet light»

Not exact matches

Most jaundice needs no treatment, but when it does, phototherapy (light therapy) is considered very safe and effective: Placing a baby naked in a bassinet, with his eyes covered, under blue «bililights» often does the trick, because ultraviolet light changes the bilirubin to a form that the baby can more easily dispose of in his urine.

In tests in mice, the beads glowed through the animals» skin under ultraviolet light, varying in brightness as blood glucose levels changed.

The target fragment binds to a gene switch in the DNA, which triggers the production of a colourful substance such as the protein that gives jellyfish a green glow under ultraviolet light, or proteins from bacteria that produce colour changes visible to the naked eye.

For the $ 100 bill, some of the security features include: a watermark that's visible only when the bill is held up to a light source; inks that change color when the note is tilted; a security thread that glows under ultraviolet light; a 3D security ribbon; and raised printing.