News tagged with dye

The fluorescent future of solar cells

(Phys.org) —For some solar cells, the future may be fluorescent. Scientists at Yale have improved the ability of a promising type of solar cell to absorb light and convert it into electrical power by adding ...

dateMay 09, 2013 in Optics & Photonics
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Chemists fabricate novel rewritable paper

First developed in China in about the year A.D. 150, paper has many uses, the most common being for writing and printing upon. Indeed, the development and spread of civilization owes much to paper's use as ...

dateDec 02, 2014 in Materials Science
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An easy way to see the world's thinnest material

It's been used to dye the Chicago River green on St. Patrick's Day. It's been used to find latent blood stains at crime scenes. And now researchers at Northwestern University have used it to examine the thinnest material ...

dateDec 23, 2009 in Nanomaterials
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FDA panel votes to study food dyes, hyperactivity

(AP) -- A Food and Drug Administration advisory panel recommended Thursday that the agency further study the link between food coloring and childhood hyperactivity but said products that contain the dyes do not need package ...

dateMar 31, 2011 in Health
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Colorful nano-guides to the liver

Jena scientists have been successful in producing highly specific nanoparticles. Depending on the bound dye the particles are guided to the liver or to the kidney and deliver their payload of active ingredients ...

dateDec 03, 2014 in Bio & Medicine
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Do synthetic food colors cause hyperactivity?

Food coloring is the reason glace cherries are red rather than beige and that children's tongues sometimes appear freakishly blue. But man-made dyes may do more than make processed food look vibrant and whimsical. Some blame ...

dateJan 06, 2011 in Health
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