In recent years, the gemstone market has experienced a surge of excitement and confusion with the rise of commercially ...

In fact, some of them are artificially dyed to enhance their appearance ... Some crystals, like agate or quartz, are porous enough to take in these dyes easily, while others may undergo more ...

Subsequently, the hydrogel powder was thoroughly mixed with spectroscopic grade potassium bromide (KBr) powder in an agate mortar. The powder mixture ... 20 μL STYO-9 and propidium iodide (PI) dye.

The U.S. Food and Drug Administration banned the dye known as Red 3 from the nation’s food supply in January, setting ...

The state of California banned the Red No. 3 dye and three other food additives in 2023, which gave manufacturers until 2027 ...

The U.S. Food and Drug Administration banned the dye known as Red 3 from the nation’s food supply in January, setting deadlines for stripping the brightly hued additive from candies and cough ...

The U.S. Food and Drug Administration banned Red No. 3 last week, a dye that gives food and drink a bright, cherry-red color. The removal is in response to a color additive petition filed in ...

A federal statute requires FDA to ban any additive found to cause cancer in animals, though officials stressed that the way Red 3 leads to cancer in rats doesn’t happen in people. But the dye is ...