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Mechanisms of Membrane-bending01:15

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The living membranes are flexible due to their fluid mosaic nature; however, their bending into different shapes is an active process regulated by specific lipids and proteins. The membrane bending can be transient as seen in vesicles or stable for a long time as in microvilli. Cells regulate the size, location, and duration of the membrane curvature.
Membrane bending can happen due to intrinsic changes in lipid composition or extrinsic association with different proteins. The proteins involved...
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Controllable Cell Deformation Using Acoustic Streaming for Membrane Permeability Modulation.

Xinyi Guo1, Mengjie Sun1, Yang Yang1

  • 1State Key Laboratory of Precision Measuring Technology & Instruments Tianjin University Tianjin 300072 China.

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Summary
This summary is machine-generated.

This study introduces a new acoustic streaming platform for precise cell mechanical deformation and real-time 3D shape analysis. This technology offers flexible, accurate cell manipulation for cell property studies and drug development.

Keywords:
acoustic streamingcell deformationdrug deliveryhydrodynamic forcemembrane permeability

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Area of Science:

  • Biotechnology
  • Cell Biology
  • Acoustic Technology

Background:

  • Controllable cell mechanical deformation is crucial for cell technologies.
  • Existing platforms lack flexibility and real-time 3D analysis capabilities for cell shape modulation.

Purpose of the Study:

  • To present a novel platform for cell shape control and real-time deformation analysis using acoustic streaming.
  • To investigate cell deformation, restoration, and membrane permeability modulation.

Main Methods:

  • Utilized gigahertz acoustic streaming for generating hydrodynamic forces.
  • Developed a platform for real-time 3D cell morphology analysis.
  • Controlled cell behavior by tuning acoustic streaming parameters (time, intensity, waveform).

Main Results:

  • Achieved controllable cell deformation and restoration.
  • Successfully modulated cell membrane permeability to micro- and macromolecules based on deformation extent and patterns.
  • Demonstrated high flexibility, accuracy, and pure fluid force operation in cell manipulation.

Conclusions:

  • The novel acoustic streaming platform enables precise, flexible cell mechanical manipulation.
  • This technology facilitates cell property studies and holds promise for drug therapy development.
  • Revealed the effects of cell deformation on membrane permeability.