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2D Active Nanobots Based on Soft Nanoarchitectonics Powered by an Ultralow Fuel Concentration
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AbstractEnzyme catalysis to power micro/nanomotors has received tremendous attention because of the vast potential in applications ranging from biomedicine to environmental remediation. However, the current design is mainly based on a complex three‐dimensional (3D) architecture, with limited accessible surface areas for the catalytic sites, and thus requires a higher fuel concentration to achieve active motion. Herein we report for the first time an enzyme‐powered 2D nanobot, which was designed by a facile strategy based on soft nanoarchitectonics for active motion at an ultralow fuel concentration (0.003 % H2O2). The 2D nanobots exhibited efficient positive chemotactic behavior and the ability to swim against gravity by virtue of solutal buoyancy. As a proof‐of‐concept, the 2D nanobots showed an excellent capability for “on‐the‐fly” removal of methylene blue (MB) dye with an efficiency of 85 %.
Title: 2D Active Nanobots Based on Soft Nanoarchitectonics Powered by an Ultralow Fuel Concentration
Description:
AbstractEnzyme catalysis to power micro/nanomotors has received tremendous attention because of the vast potential in applications ranging from biomedicine to environmental remediation.
However, the current design is mainly based on a complex three‐dimensional (3D) architecture, with limited accessible surface areas for the catalytic sites, and thus requires a higher fuel concentration to achieve active motion.
Herein we report for the first time an enzyme‐powered 2D nanobot, which was designed by a facile strategy based on soft nanoarchitectonics for active motion at an ultralow fuel concentration (0.
003 % H2O2).
The 2D nanobots exhibited efficient positive chemotactic behavior and the ability to swim against gravity by virtue of solutal buoyancy.
As a proof‐of‐concept, the 2D nanobots showed an excellent capability for “on‐the‐fly” removal of methylene blue (MB) dye with an efficiency of 85 %.
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