Vesicle Electroformation
Vesicle Electroformation - Related Videos
09:29
Obtention of Giant Unilamellar Hybrid Vesicles by Electroformation and Measurement of their Mechanical Properties by Micropipette Aspiration
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Cited by 6 •
2020
The goal of the protocol is to reliably measure membrane mechanical properties of giant vesicles by micropipette aspiration.
06:26
Pulling Membrane Nanotubes from Giant Unilamellar Vesicles
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Cited by 42 •
2017
Many proteins in the cell sense and induce membrane curvature. We describe a method to pull membrane nanotubes from lipid vesicles to study the interaction of proteins or any curvature-active molecule with curved membranes in vitro.
10:10
Synthesis of Compound Giant Unilamellar Vesicles: A Biomimetic Model of Nucleate Cells
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2025
This article presents a method for preparing compound Giant Unilamellar Vesicles (cGUVs) with a vesicle-in-vesicle structure, with customized electrical conductivity in inner, annular, and outer regions. Electroformation synthesizes simple GUVs, which are transformed into stomatocytes and cGUVs via osmotic shock, providing a valuable model for studying the biophysics of nucleated cells.
08:21
Visualization of HIV-1 Gag Binding to Giant Unilamellar Vesicle (GUV) Membranes
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Cited by 5 •
2016
We illustrate here an in vitro membrane binding assay in which interactions between HIV-1 Gag and lipid membranes are visually analyzed using YFP-tagged Gag synthesized in a wheat germ-based in vitro translation system and GUVs prepared by an electroformation technique.
08:36
FM Dyes in Vesicle Recycling
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2023
FM dyes are a class of fluorescent molecules that has found important use in studying the vesicle recycling process. By virtue of a chemical structure, these molecules can insert themselves into the outer leaflet of phospholipid bilayer membranes. After membrane insertion, they are internalized into the cell via endocytosed vesicles, and released when these vesicles recycle back to the membrane. Since, these dyes fluoresce strongly in the hydrophobic environment within membranes and weakly in...
FAQs
During Vesicle Electroformation, the alternating electric field acts on a hydrated lipid film positioned between conductive electrodes. The film first swells and develops undulations, then membrane regions bud away and close into separate compartments. This sequence converts a planar lipid layer into vesicles, while the electrical and hydration conditions determine whether formation proceeds effectively.
Voltage and frequency are key electrical controls, whereas temperature and hydration affect the physical conditions during assembly. Lipid composition adds another source of control because it influences the resulting vesicle properties. Adjusting these parameters allows investigators to tune formation behavior rather than treating vesicle production as a fixed outcome.
Giant unilamellar vesicles provide large, cell-membrane-like compartments that serve as controllable models for membrane biophysics. Their defined membrane environment supports investigations of molecular transport and other processes associated with biological membranes. This makes them useful when researchers need a simplified platform for examining membrane behavior without working directly with intact cells.
The vesicles provide membrane-bound compartments whose formation conditions and lipid composition can be adjusted during production. That controllability supports synthetic-cell construction by offering a platform for studying processes that occur at biological membranes. The same system can also connect membrane studies with molecular transport, drug encapsulation, and biosensor development.
A typical workflow begins by depositing a thin lipid film on conductive electrodes. The film is then hydrated while an alternating electric field is applied. Under these conditions, the layer swells, undulates, and buds into closed compartments. Researchers can modify voltage, frequency, temperature, lipid composition, and hydration conditions to influence the resulting vesicles.
Researchers would choose Vesicle Electroformation when they need large lipid vesicles that model cell membranes and offer adjustable production conditions. The approach is relevant to membrane biophysics, molecular transport, drug encapsulation, biosensors, and synthetic-cell construction. Its value lies in providing a controllable membrane platform for studying biological-membrane processes.
These vesicles can provide experimental platforms for examining membrane properties, molecular transport, and processes that occur at biological membranes. They also support investigations involving drug encapsulation, biosensors, and synthetic-cell construction. By adjusting composition and formation conditions, bioengineers can create vesicle systems suited to different membrane-focused research questions.