Two riboswitches were seamlessly linked into a single hybrid construct that functions as a Boolean NAND gate, shutting off gene expression only when both chemical inputs are present simultaneously. A ...

Fig. 2 Illustration of all-optical digital logic gates using microring resonators. (a) AND gate; (b) OR gate; (c) NOT gate; (d) NAND gate; (e) NOR gate; (f) XOR gate; (g)-(h) Full adder News ...