Iron is an essential trace element in biological cells. The concentration of the element and its so-called redox state—it can exist either in a doubly ionized state as iron (II) (Fe 2+) or a triply ...
Researchers at the Hebrew University of Jerusalem have built a living biosensor made of bacteria that lights up when it detects acetic acid, a chemical compound present in spoiled wines. There are ...
A living biosensor composed of bacteria that lights up when it detects acetic acid, which is the primary chemical indicator ...
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