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You Will Now be Able to Dye Your Hair With Real Gold

by Kathy Jones on  December 9, 2012 at 6:51 PM General Health News   - G J E 4
The first synthesis of gold nanoparticles inside human hair has been reported by scientists.

Philippe Walter and colleagues explained that gold nanoparticles - 40,000-60,000 of which could fit across the width of a human hair - are a hot topic.
 You Will Now be Able to Dye Your Hair With Real Gold
You Will Now be Able to Dye Your Hair With Real Gold
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Scientists are exploring uses, ranging from electronics and sensors to medical diagnostic tests and cancer treatments. Gold nanoparticles have been deposited on hair for use as electrodes, and gold nanoparticles had been used to dye wool.

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Walter's team looked at a new use - dyeing hair, inspired by the ancient Greeks' and Romans' use of another metal, lead, to color their hair.

They described the first synthesis of fluorescent gold nanoparticles inside human hair.

It involved soaking white hairs in a solution of a gold compound. The hairs turned pale yellow and then darkened to a deep brown. Using an electron microscope, the scientists confirmed that the particles were forming inside the hairs' central core cortex. The color remained even after repeated washings.

Their study appeared in ACS' journal Nano Letters.

Source: ANI
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