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Engineered 3D Silk-collagen-based Model of Polarized Neural Tissue
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Ultrasonic Based Tissue Modelling and Engineering.

Karl Olofsson1, Björn Hammarström2, Martin Wiklund3

  • 1Department of Applied Physics, KTH Royal Institute of Technology, SE-106 91 Stockholm, Sweden. karlolo@kth.se.

Micromachines
|November 17, 2018
PubMed
Summary
This summary is machine-generated.

Ultrasonic standing wave (USW) manipulation offers a gentle, label-free method for shaping and culturing cell aggregates. This technology shows great promise for advancing in vitro tissue modeling and regenerative medicine applications.

Keywords:
acoustic trappingacoustofluidicsmicrofluidicstissue engineeringtissue modellingultrasonic manipulation

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Area of Science:

  • Biotechnology
  • Regenerative Medicine
  • Cell Biology

Background:

  • In vitro tissue modeling and engineering platforms are crucial for combining controlled lab environments with complex in vivo tissue characteristics.
  • Device-based tissue engineering holds potential for future explant culture in regenerative medicine.
  • Key requirements for tissue engineering platforms include the ability to shape and maintain cell aggregates during long-term culture.

Purpose of the Study:

  • To review the potential of ultrasonic standing wave (USW) cell manipulation for tissue modeling and engineering.
  • To highlight USW as an emerging technology for cell aggregation and shaping.

Main Methods:

  • Review of existing literature on ultrasonic standing wave (USW) particle manipulation for cell handling.
  • Discussion of USW principles, including pressure nodes and their role in cell trapping.
  • Exploration of static and dynamic actuation schemes for USW cell manipulation.

Main Results:

  • Ultrasonic standing wave (USW) manipulation provides label-free and gentle positioning and aggregation of cells.
  • USW technology enables stable, long-term maintenance of cell aggregates in defined patterns.
  • The pressure nodes generated by USW are effective for trapping cells for tissue shaping.

Conclusions:

  • Ultrasonic standing wave (USW) cell manipulation is a promising technology for advanced in vitro tissue modeling.
  • USW offers a novel approach for cell aggregation and shaping in tissue engineering.
  • This technology has significant implications for regenerative medicine and long-term cell culture applications.