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A 3D-printed electromagnetically actuated microgripper system for precision single-cell manipulation.

Xi Chen1,2, Qingying Ren1, Wenshuo Zhao2

  • 1College of Electronic and Optical Engineering and College of Flexible Electronics (Future Technology), Nanjing University of Posts and Telecommunications, Nanjing 210023, China.

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Summary
This summary is machine-generated.

This study introduces an electromagnetically actuated microgripper for precise single-cell manipulation. The system offers adaptable gripping forces and sizes, maintaining cell viability for biomedical research.

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Area of Science:

  • Biomedical Engineering
  • Cell Biology
  • Robotics

Background:

  • Cell manipulation is crucial in biomedical research.
  • Existing micromanipulation tools have limitations in precision, adaptability, and biocompatibility.

Purpose of the Study:

  • To develop an electromagnetically actuated microgripper system for precise and adaptable single-cell manipulation.
  • To overcome the limitations of current cell manipulation technologies.

Main Methods:

  • Integration of a 3D-printed gripper, electromagnetic actuator, motorized stage, and control system.
  • Adjustable gripper opening (10-500 μm) and tunable gripping force via voltage control.
  • Inclusion of a liquid-retention structure for maintaining cell hydration.

Main Results:

  • Demonstrated controlled alignment of microspheres and deformation of oocytes.
  • Successfully captured, transferred, and released living stem cells while preserving viability.
  • Validated the system's capability for multiscale adaptability and precise force control.

Conclusions:

  • The electromagnetically actuated microgripper system offers a simple, effective solution for controlled cell manipulation.
  • The system shows significant potential for advancing single-cell biomedical research applications.
  • The technology addresses key challenges in precision, adaptability, and biocompatibility for cell handling.