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Problems implementing DNA computers stem from the physical nature of molecules and their reactions. The present theory of computation requires assumptions that, at best, are extremely crude approximations of the physical chemistry. Here, I consider the hypothesis that discarding those assumptions...
A DNA representation of Boolean logic for which the input strands are separate from the operator strands is described and used to construct a two-bit DNA adder. The successful operation of the adder for several test inputs demonstrates that digital molecular computation with a complexity of order...