DNA hybridization catalysts and molecular tweezers

We demonstrate new methods for the control of DNA hybridiza tion formation of a loop with a protective strand is used to inhibit hybridiza tion and a DNA catalyst that opens the loop is used to catalyse hybridization A combination of inhibition and catalysis will allow control of the bonds formed between elements of a self assembled structure We also demonstrate a new class of nanomachine made of DNA and using the hybridization of DNA as a source of chemical energy to produce repeated movement

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