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. Author manuscript; available in PMC: 2013 Jun 1.
Published in final edited form as: Nat Mater. 2012 Oct 28;11(12):1081–1085. doi: 10.1038/nmat3461

Figure 3.

Figure 3

DPA-MOF motor powered by self-assembly of DPA peptides at interface. (a) TEM image of released DPA peptides at the MOF-water interface. Inset shows electron diffraction. (b) Velocity change of DPA-MOF particle as the hexafluoropropanol is injected at 42s. (c) Velocity change of DPA-MOF particles in different loading amount of DPA from 10% to 30% DPA-to-MOF weight ratios. (d) Design of the MOF boat. A particle in the center of boat shows the location to amount the DPA-MOF particle. (e) An overlaid light microscopic image composed of three images taken every 0.5 second. (f) Comparison of velocity and lifetime of movement between the DPA-MOF particle and the boat incorporating the DPA-MOF particle.