Tag: color

Fishing for bacteria with gold and DNA

What happens when you bring DNA strands, gold nanoparticles, conformation-induced color changes, and a highly-intrusive bacterium together? A field-portable, inexpensive test for one of the world’s greatest bacterial threats, Pseudomonas aeruginosa.

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Making a Rainbow with Water Drops!

Beautiful colors are all around us in nature. But how do we recreate all these colors in the lab without complicated dyes and pigments? Let’s learn about a new way to observe colors using only light and tiny droplets!

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