Vesicle Surface Interaction
Vesicle Surface Interaction - Related Videos
02:43
Quantitative Flow Cytometry to Study Labeled Protein-Phospholipid Vesicle Interactions
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2025
In this video, we demonstrate the interaction between proteins and artificial phospholipid vesicles using quantitative flow cytometry. The binding of fluorescently-labeled proteins to fluorescently-labeled phospholipid vesicles increases the mean fluorescence intensity, and this increase is detected by a flow cytometer.
06:12
Multimodal Analytical Platform on a Multiplexed Surface Plasmon Resonance Imaging Chip for the Analysis of Extracellular Vesicle Subsets
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Cited by 6 •
2023
This paper proposes a new generation of multiparametric analytical platforms with increased throughput for the characterization of extracellular vesicle subsets. The method is based on a combination of multiplexed biosensing methods with metrological and morphomechanical analyses by atomic force microscopy, coupled with Raman spectroscopy, to qualify vesicular targets trapped on a microarray biochip.
05:21
Surface Plasmon Resonance to Study Biomolecular Interactions Using a Sensor Chip
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2025
This video describes the surface plasmon resonance, or SPR, technique for studying the interaction between two molecules using a sensor chip. The change in resonance angle and the intensity of the reflected light are detected as a function of the association and dissociation of two molecules, and this provides information about the interactions between the two molecules.
10:13
Micropatterned Surfaces to Study Hyaluronic Acid Interactions with Cancer Cells
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Cited by 11 •
2010
A novel approach that allows the high-resolution analysis of cancer cell interactions with exogenous hyaluronic acid (HA) is described. Patterned surfaces are fabricated by combining carbodiimide chemistry and microcontact printing.
07:33
Lipid Vesicle-mediated Affinity Chromatography using Magnetic Activated Cell Sorting (LIMACS): a Novel Method to Analyze Protein-lipid Interaction
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Cited by 14 •
2011
To test the interaction of a protein with its target lipid we used MACS and Annexin V-conjugated magnetic beads and lipid vesicles synthesized from the target lipid and Annexin V-binding phosphatidylserine. Proteins bound to the target lipid are co-purified and analyzed after elution from the beads.
FAQs
Receptor-ligand recognition provides molecular selectivity during vesicle-surface contact. A receptor on one membrane and its matching ligand on another can promote adhesion and help position the vesicle for later events, such as docking or fusion. This mechanism is especially relevant when researchers need to understand how specific molecular pairs regulate communication, trafficking, or selective surface binding.
Membrane lipid organization influences how vesicles approach, attach to, and respond to nearby surfaces. The arrangement of lipids can affect the availability of binding components and the membrane behavior required for docking, fusion, or budding. Examining lipid organization therefore helps explain why similar vesicles may display different interaction outcomes under otherwise comparable conditions.
Electrostatic attraction can bring oppositely charged vesicle and surface components into proximity, while hydrophobic effects can favor interactions involving nonpolar membrane regions. These forces act alongside receptor-ligand recognition rather than replacing it. Their contribution helps determine whether contact remains temporary, develops into stable adhesion, or supports a later membrane event such as fusion or uptake.
Contact is an initial opportunity for several distinct outcomes, and the result depends on the molecular interactions and membrane organization present at the interface. Stable recognition may support docking, while suitable membrane conditions can promote fusion or budding. In biological settings, surface engagement can also contribute to cellular uptake, linking local membrane behavior with transport and communication.
In neurotransmitter release, surface interactions help frame how membrane-bound vesicles dock and participate in communication between cells. During intracellular trafficking, related interactions help organize vesicle movement and exchange within cells. Studying these processes connects molecular surface behavior with larger biological outcomes, including regulated signaling, movement of cellular materials, and coordination between membrane compartments.
Extracellular vesicle studies can examine how vesicle surfaces influence recognition, adhesion, and material exchange between cells. Because these interactions may affect targeting and uptake, surface behavior provides a route for connecting vesicle properties with communication outcomes. This context is useful for investigating how cells exchange information and how surface composition contributes to that exchange.
Researchers can use surface composition and binding behavior as design considerations for engineered nanocarriers and drug-delivery systems. Adjusting these properties may influence where vesicles or carriers interact, how stable they remain, and how effectively they deliver cargo. The same principles also support biomembrane studies, where controlled surface interactions help analyze targeting, adhesion, and membrane exchange.