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Updated: Jul 17, 2025

Silicon Microchips for Manipulating Cell-cell Interaction
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Cellular Manipulation Using Rolling Microrobots.

David Rivas1, Sudipta Mallick1, Max Sokolich1

  • 1Department of Mechanical Engineering, University of Delaware.

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|September 4, 2023
PubMed
Summary
This summary is machine-generated.

Magnetically driven microrobots can transport and manipulate cells in biomedical applications. These untethered devices utilize surface rolling and fluid flows for effective cell handling in microscale environments.

Keywords:
cell manipulationmicrorobots

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Area of Science:

  • Biomedical Engineering
  • Robotics
  • Cell Biology

Background:

  • Microrobots offer potential for microscale tasks like targeted drug delivery.
  • Magnetic actuation is a biocompatible method for microrobot control.
  • Rotating magnetic fields are practical for microrobot applications in enclosed biological environments.

Purpose of the Study:

  • To demonstrate cell manipulation and transportation using magnetically driven rolling microrobots.
  • To investigate different modes of microrobot-cell interaction for biomedical applications.

Main Methods:

  • Utilized two types of magnetically actuated rolling microrobots.
  • Employed rotating magnetic fields for microrobot propulsion.
  • Observed microrobot interactions with cells in simulated biological environments.

Main Results:

  • Microrobots successfully manipulated cells through pushing and adhering.
  • Cell transportation was achieved by microrobots physically carrying them.
  • High-speed spinning of microrobots induced fluid flows that transported cells.

Conclusions:

  • Magnetically driven rolling microrobots are effective tools for cell manipulation and transportation.
  • Surface rolling and induced fluid flows are viable mechanisms for microrobot-mediated cell handling.
  • These findings support the use of microrobots in biomedical applications requiring precise cell control.