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Related Experiment Video

Updated: Jun 15, 2026

Reconstitution of Septin Assembly at Membranes to Study Biophysical Properties and Functions

Reconstitution of Septin Assembly at Membranes to Study Biophysical Properties and Functions

Published on: July 28, 2022

Single-step process to reconstitute cell membranes on solid supports.

M D Mager¹, N A Melosh

¹Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, USA.

Langmuir : the ACS Journal of Surfaces and Colloids

|March 9, 2010

Summary

This summary is machine-generated.

Researchers developed a novel method to create supported lipid bilayers from whole cell lipids without harsh chemicals. This technique preserves membrane fluidity and enables large-scale bilayer formation for advanced microscopy studies.

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Last Updated: Jun 15, 2026

Reconstitution of Septin Assembly at Membranes to Study Biophysical Properties and Functions

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Published on: July 28, 2022

Formation of Biomembrane Microarrays with a Squeegee-based Assembly Method

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In Vitro Reconstitution of Self-Organizing Protein Patterns on Supported Lipid Bilayers

In Vitro Reconstitution of Self-Organizing Protein Patterns on Supported Lipid Bilayers

Published on: July 28, 2018

Area of Science:

Biophysics
Materials Science
Cell Biology

Background:

Supported lipid bilayers (SLBs) are crucial models for studying cell membrane properties.
Current methods for SLB formation often involve detergents or solvents, which can alter membrane structure and function.
A need exists for techniques that preserve the native state of cell membranes for more accurate biological studies.

Purpose of the Study:

To present a novel, detergent-free method for creating supported lipid bilayers from whole cells.
To characterize the structural and functional properties of the resulting bilayers.
To demonstrate the potential of this technique for advancing membrane research.

Main Methods:

Modification of the bubble collapse deposition (BCD) technique.
Using an air/water interface to extract lipids from whole cells underwater.
Redeposition of extracted lipids onto a substrate to form supported lipid bilayers.
Characterization using fluorescence microscopy.

Main Results:

Successful creation of supported lipid bilayers from whole cell lipids without detergents or solvents.
Demonstrated transfer of both leaflets of the cell membrane, while excluding the cytoskeleton.
Formation of fluid bilayers over areas significantly larger than individual cells.
Confirmed bilayer fluidity and integrity.

Conclusions:

The modified BCD technique offers a gentle and effective way to generate large, fluid, and biologically relevant supported lipid bilayers.
This method overcomes limitations of traditional techniques by avoiding harsh chemicals.
The resulting bilayers are suitable for high-resolution imaging, facilitating studies of membrane dynamics and functions.