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Inorganic Chemistry

Chemistry In Pictures

Chemistry in Pictures: Bluebirds

by Brianna Barbu
September 21, 2023
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Blue copper sulfate crystals in a beaker. The crystals are vaguely bird-shaped.
Credit: Samie Yaseen

When you look at these crystals, do you see birds in flight? Samie Yaseen did, when he found them at the bottom of a beaker that had formerly held a copper sulfate solution. He left the solution out for 2 months during summer vacation and returned to find that all the liquid had evaporated, leaving behind large, brilliant blue copper sulfate crystals. Yasin is a lecturer and researcher at Duhok Polytechnic University, where he creates copper nanoparticles for sensing pollutants such as the herbicide glyphosate. The phosphate group on glyphosate forms a hydrogen bond to functional groups on the nanoparticle surface, triggering the nanoparticles to aggregate and change colors.

Submitted by Samie Yaseen

Do science. Take pictures. Win money. Enter our photo contest here.

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