Heme, a poisonous nutrient, tracked by 'Green Lantern' sensor

Monday, May 30, 2016 - 16:41 in Health & Medicine

Tailor-made ratiometric sensors make baker's yeast cells light up green, as Georgia Tech scientists use it to track the movements of the essential toxin heme. A pinch of poison is good for a body, at least if it's heme.

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