Interfacial Retention
Interfacial Retention - Related Videos
02:42
Determination of the Calcium Retention Capacity of Isolated Mitochondria
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2025
This video demonstrates the procedure to assess mitochondrial calcium retention capacity by monitoring real-time changes in fluorescence as mitochondria uptake calcium. This assay is useful for studying mitochondrial function and calcium-related processes, including apoptosis and neurodegenerative diseases.
01:06
Interfacial Electrochemical Methods: Overview
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2024
Interfacial electrochemical methods focus on the phenomena occurring at the boundary between an electrode and a solution, as opposed to bulk methods that concentrate on the solution's overall properties. These interfacial methods are classified as either static or dynamic based on the presence of a nonzero current in the electrochemical cell and the consistency of analyte concentrations. Static methods, such as potentiometry, measure the cell's potential without any significant current passing...
11:13
Composite Scaffolds of Interfacial Polyelectrolyte Fibers for Temporally Controlled Release of Biomolecules
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Cited by 3 •
2015
Scaffolds for tissue engineering need to recapitulate the complex biochemical and biophysical microenvironment of the cellular niche. Here, we show the use of interfacial polyelectrolyte complexation fibers as a platform to create composite, multi-component polymeric scaffolds with sustained biochemical release.
03:10
Soil Core Sample Collection for Water Retention Property Analysis
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2026
Source:Alessia J. Marchesan1, Guillermo Hernandez Ramirez11Renewable Resources, University of Alberta. This video demonstrates the technique for collecting a soil sample for hydraulic property analysis. The sampling area is cleared, and the top crust is evacuated. The sampling ring is then placed into the soil to collect the sample. The ring with the sample is then cleaned, labeled, packed, and transferred undisturbed for analysis.
11:01
Ferromagnetic Bare Metal Stent for Endothelial Cell Capture and Retention
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Cited by 12 •
2015
Our goals were to design, manufacture and test ferromagnetic stents for endothelial cell capture. Ten stents were tested for fracture and 10 more stents were tested for retained magnetism. Finally, 10 stents were tested in-vitro and 8 more stents were implanted in 4 pigs to show cell capture and retention.
FAQs
Adsorption and other surface interactions can hold molecules, particles, cells, or biomaterials near an interface instead of allowing them to move away. Their effectiveness depends on whether these interactions counteract desorption and diffusion. In bioengineering, this balance helps determine whether a therapeutic agent remains localized or whether a cell continues to attach to a scaffold.
Interfacial retention reflects a competition between forces or constraints that keep material at a boundary and processes that remove it. Diffusion can redistribute material, desorption can release it from a surface, and transport can carry it away from the interface. Understanding this competition is important when designing systems that require stable localization rather than rapid loss.
The relevant interface changes the way retention is established. At a fluid-solid boundary, attachment may depend strongly on interactions with the solid surface or on physical confinement. Between two immiscible fluids, retention occurs at the boundary separating the fluids and is influenced by adsorption or wetting at that interface. These distinctions guide biomaterial and delivery-system design.
Designers can use interfacial retention as a way to control where material remains and how long it persists. The intended system must balance surface interactions, wetting, and physical confinement against diffusion, desorption, and transport. This principle supports the development of coatings, drug-delivery systems, tissue-engineering constructs, and diagnostic platforms with improved stability and localization.
For therapeutic agents, retaining material at a selected interface can help keep treatment localized instead of allowing it to disperse away from the intended site. The resulting localization may improve the stability and performance of a delivery system. This application connects interfacial behavior with the practical goal of controlling where therapeutic materials remain within a bioengineering design.
In tissue engineering, interfacial retention helps explain how cells remain associated with scaffold surfaces and how biomaterials interact with surrounding biological fluids or tissues. These interactions affect construct stability and localization. Applying the concept during scaffold and biomaterial design can support tissue-engineering systems intended to maintain cell attachment and more consistent material performance.