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Related Experiment Video

Updated: Apr 28, 2026

Designing a Bio-responsive Robot from DNA Origami
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Molecular robots with sensors and intelligence.

Masami Hagiya1, Akihiko Konagaya, Satoshi Kobayashi

  • 1Department of Computer Science, The University of Tokyo , 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan .

Accounts of Chemical Research
|June 7, 2014
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Summary

Scientists are developing molecular robots with sensing, computation, and actuation capabilities. This project focuses on creating integrated molecular systems for autonomous environmental response, advancing the field of molecular robotics.

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Area of Science:

  • Biotechnology
  • Nanotechnology
  • Robotics

Background:

  • Molecular robots integrate sensors, logic gates, and actuators for autonomous environmental response.
  • Achieving integrated sensing, computation, and actuation in molecular systems remains a significant scientific challenge.

Purpose of the Study:

  • To introduce an ongoing research project focused on developing molecular robots with sensors and intelligence.
  • To address key challenges in molecular robotics, including signal sensing, amplification, computation, actuation, and body design.

Main Methods:

  • Developing diverse molecular sensors and signal amplification techniques.
  • Accelerating molecular computing using photochemical technology and novel computational models.
  • Designing amoeba-like and slime-like actuators using motor proteins, microtubules, and responsive gels (DNA, BZ).
  • Integrating DNA-based computation with molecular motor control and gel actuator systems.

Main Results:

  • Progress in developing molecular sensors capable of handling various signals and signal amplification methods.
  • Advancements in DNA-based computation acceleration and the development of computational models for molecular computers.
  • Construction of amoeba-like robots using motor proteins and microtubules within liposomal compartments.
  • Evaluation of DNA and BZ gels as actuators and body materials for slime-like robots, with control via DNA signals.

Conclusions:

  • The project is making significant contributions across sensing, intelligence, and actuation for molecular robots.
  • Integration of diverse components, including DNA computation and molecular motors, is key to realizing functional molecular robots.
  • The research paves the way for autonomous molecular systems with complex behaviors and environmental interactions.