Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 132, Issue 38, Pages 13144-13145Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja104362r
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Funding
- WPI Research Center Initiative on MANA, MEXT, Japan
- Volkswagen Foundation [1/84 072]
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We describe the motion of self-propelled hybrid microengines containing catalase enzyme covalently bound to the cavity of rolled-up microtubes. The high efficiency of these hybrid microengines allows them to move at a very low concentration of peroxide fuel. The dynamics of the catalytic engines is mediated by the generation of front-side bubbles, which increase the drag force and make them turn. The specific modification of the inner layer of microtubes with biomolecules can lead to other configurations to generate motion from different chemical fuels.
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