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Hybrid peptide-MOF motor. (a) Structures of host MOF and guest DPA peptide. (b) Velocity changes of DPA-MOF, neat MOF, and neat DPA with time in an aqueous solution containing 1 mM EDTA and 2 mM NaOH. Insets show overlaid optical image of the DPA-MOF, neat MOF, and neat DPA. Only DPA-MOF moves in this experimental condition and the motion is shown by a white arrow.
