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Updated: Jun 5, 2026

Light-driven Molecular Motors on Surfaces for Single Molecular Imaging
Published on: March 13, 2019
Bio-inspired track-walking molecular motors (Perspective).
1Department of Physics, NUS Graduate School for Integrative Sciences and Engineering, Center for Computational Science and Engineering, National University of Singapore, Singapore 117542, Singapore. phywangz@nus.edu.sg
Artificial track-walking molecular motors offer new possibilities but face significant scientific and technological hurdles. This review clarifies challenges and suggests future development routes for these advanced nanoscale machines.
Area of Science:
- Nanotechnology
- Molecular Engineering
- Biophysics
Background:
- Molecular motors are essential biological machines that perform work at the nanoscale.
- Artificial molecular motors aim to mimic and surpass biological functions for technological applications.
- Track-walking molecular motors represent a key area of development in artificial nanoscale systems.
Purpose of the Study:
- To review the emerging field of artificial track-walking molecular motors.
- To identify and clarify the key scientific and technological challenges in the field.
- To propose future research directions and development strategies.
Main Methods:
- Literature review of artificial track-walking molecular motors.
- Analysis of existing mechanistic models.
- Introduction of a comprehensive mechanistic diagram.
Main Results:
- Identification of critical scientific challenges in motor design and control.
- Elucidation of technological barriers in fabrication and integration.
- Presentation of a novel mechanistic diagram for molecular walkers.
Conclusions:
- The development of artificial track-walking molecular motors requires addressing fundamental scientific and engineering challenges.
- A clear mechanistic understanding is crucial for guiding future innovation.
- Strategic research directions are proposed to advance the field toward practical applications.
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