A blue dye from red beets may be a nontoxic alternative to colorants with toxic metals. April 20, 2020 More than 5 years ago By Erick Leite Bastos ...

A version of this article appears in print on , Section D, Page 2 of the New York edition with the headline: Harmless Hues: How Do You Make A Safer Blue Dye? Start With Red Beets.

A simple chemical reaction turns the red pigment of beets into a new, nontoxic blue dye.

The green synthesis of ZnO nanoparticles using Padina pavonica extract shows promise for environmental remediation, ...

A study in rats suggests the blue dye similar to that found in popsicles and sports drinks may prevent cell death after spinal cord injury.

Chemists think that methylene blue, a common dye that is found in wastewater, can power batteries. Anjula Kosswattaarachchi, now a PhD candidate in chemistry at the University at Buffalo, used to ...

Sacred blue snail dye seen only twice since Jesus was alive is discovered on Israeli cloth Rabbis have long searched for the enigmatic blue colour, called tekhelet ...

Methylene blue used to be an anti-malarial treatment but fell out of favor. Researchers wondered, what if it were added to a current medication?

Once the only blue dye in Europe, woad pigment made a fortune for the sun-rich Toulouse area during the Renaissance, when it also was called Toulouse’s Blue Gold.

Could a blue dye help with depression?The chemical structure of methylene blue is similar to that of both tricyclic antidepressants and the anti-seizure medicine carbamazepine. However it’s ...