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Published on: September 26, 2014
Cooperative Rotation of Multiple FoF1-ATPase Motors in a Janus Photophosphorylation Nanobot
Yue Li1, Yang Huang1,2, Mingjun Xuan2
1School of Medicine and Health, Harbin Institute of Technology, Harbin, China.
None:
Inspired by the precise collective action of biological motors, we here develop asymmetric photophosphorylation nanobots through the hierarchical co-assembly of thylakoid vesicles and lecithin liposomes. This approach yields anisotropic vesicles that preserve robust photophosphorylation capacity activity while integrating multiple FoF1-ATPase motors into a spatially organized nanoarchitecture. Upon light illumination, proton gradients drive ATP synthesis and trigger synchronized rotation of the embedded motors, leading to emergent vortex flows that enable efficient nanobot propulsion. Importantly, the propulsion velocity exhibits a linear dependence on motor number, providing direct evidence of force amplification through motor coordination. Hydrodynamic simulations further reveal that increased motor density strengthens inter-motor coupling via a single-vortex collective mode. By emulating the fundamental principles of biological motor cooperation through rational supramolecular design, this platform offers a powerful framework for achieving life-like, programmable motion at the microscale, with significant potential for applications in active cargo delivery and adaptive biomimetic robotic systems.
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