Sentences with phrase «under ultraviolet light for»

Although the dye does not usually stain carpeting, it causes urine to glow blue under ultraviolet light for about 24 hours.

If you have several cats and can't figure out which isn't using the litter box, you can ask your veterinarian for fluorescein, a harmless dye that makes urine glow blue under ultraviolet light for 24 hours.

Not exact matches

Sometimes babies are treated for jaundice by placing them under an ultraviolet lamp for one or two days, they are left naked with their eyes masked to protect them from the glare of the light.

Under red dwarf stars, plant - type life on land may not be possible because photosynthesis might not generate sufficient energy from infrared light to produce the oxygen needed to block dangerous ultraviolet light from such stars at the very close orbital distances needed for a planet to be warmed enough to have liquid water on its surface.

For the purpose of their study, the researchers inserted a gene coding for fluorescent protein in the worms that, when activated, made them glow brightly under ultraviolet ligFor the purpose of their study, the researchers inserted a gene coding for fluorescent protein in the worms that, when activated, made them glow brightly under ultraviolet ligfor fluorescent protein in the worms that, when activated, made them glow brightly under ultraviolet light.

Erika Sasaki and her team at the Central Institute for Experimental Animals in Kawasaki, Japan, added a gene to marmoset embryos that made them glow green under ultraviolet light.

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.

The e-passport will now be valid for a period of 10 years and contain a data chip inside it that can be read electronically to provide border officials with the bearer's information, holographic images and a hidden photo of the bearer that can only be viewed under ultraviolet light.