An enzyme based computer could live inside you and release drugs based on conditions going on – “The enzyme computer was used to perform two fundamental logic computations known as AND (where A and B must both equal one) and XOR (where A and B must have different values). The addition of two further enzymes – glucose oxidase and catalase – connected the two logical operations, making it possible to add together binary digits using the logic functions.” [via] Link.
Related – Bioelectronics, From Theory to Applications.
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