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. 2017 Aug 30;8(9):267. doi: 10.3390/mi8090267

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© 2017 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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The relationship between the concentration of H₂O₂ and micromotors of different shapes. (a) The dependence of the average velocity of the four type of tubular micromotors on the concentration of H₂O₂ [59]. (A. Electrodeposited in 5 μm pores; B. Electrodeposited in 2 μm pores; C. Electrodeposited in 2 μm pores (shorter deposition time); D. Electrodeposited in 200 nm pores.) (b) The relationship between the average velocities of microjets and the concentration of fuel [53]. (c) The dependence of the velocity of Janus Ag micromotors on the hydrogen peroxide concentration [60]. (d) The relationship between the average velocity of Ag catalytic micromotors on H₂O₂ concentration at 23 °C [61]. Reproduced with permission from [53,59,60,61].