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Updated: May 27, 2026

Designing a Bio-responsive Robot from DNA Origami

Designing a Bio-responsive Robot from DNA Origami

Published on: July 8, 2013

A nanoscale robotic cleaner.

Jin Qin¹, Carsten Büchner², Xiaofei Wu³

¹Nano-Optics and Biophotonics Group, Experimentelle Physik 5, Physikalisches Institut, Universität Würzburg, Am Hubland, Würzburg, Germany. jin.qin@uni-wuerzburg.de.

Nature Communications

|March 28, 2026

Summary

This summary is machine-generated.

Light-actuated nanorobots with plasmonic antennas achieve high speeds and precise control for manipulating bacteria. These robotic cleaners offer advanced capabilities for biological applications and sensing.

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Last Updated: May 27, 2026

Designing a Bio-responsive Robot from DNA Origami

Designing a Bio-responsive Robot from DNA Origami

Published on: July 8, 2013

Folding and Characterization of a Bio-responsive Robot from DNA Origami

Folding and Characterization of a Bio-responsive Robot from DNA Origami

Published on: December 3, 2015

Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System

Construction and Operation of a Light-driven Gold Nanorod Rotary Motor System

Published on: June 30, 2018

Area of Science:

Nanotechnology
Optics
Robotics

Background:

Photon-recoil actuation offers complex-free micro/nanoscale object manipulation.
Existing light-driven microdrones offer 2D control but lack miniaturization and efficiency.

Purpose of the Study:

To demonstrate sub-micrometer nanorobots actuated by plasmonic directional antennas.
To achieve propulsion and orientation control for enhanced biological manipulation and sensing.

Main Methods:

Utilizing plasmonic directional antennas for light-driven propulsion and orientation.
Employing linear polarization for directional movement and circularly polarized light for orientational control.
Leveraging opto-thermophoretic forces for bacterial manipulation.

Main Results:

Achieved propulsion speeds up to 50 μm/s with motion direction locked perpendicular to linear polarization.
Demonstrated efficient capture, transport, assembly, and release of bacteria.
Executed complex trajectories for systematic region sweeping, functioning as robotic cleaners.

Conclusions:

Developed highly controllable and efficient nanorobots for microscale applications.
Expanded nanorobot capabilities for precise biological manipulation and high-speed sensing.
Paved the way for light-driven robotic cleaners and advanced localized sensing platforms.