Interfacial Transport
Interfacial Transport - Related Videos
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.
01:32
Transport and Acclimatization of Rodents for Research
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2026
All animal procedures described here must be conducted in accordance with institutional animal ethics guidelines and approved by IACUC. All procedures must follow the principles of the 3Rs—Replacement, Reduction, and Refinement—and must be performed by trained personnel. Transporting rodents for research requires procedures that minimize stress and maintain animal welfare during movement to minimize the influence on experimental outcomes. Transport cages should provide adequate ventilation,...
02:22
Regulated mRNA Transport
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2020
In eukaryotes, transcription and translation are compartmentalized; an mRNA is first synthesized in the nucleus and then selectively transported to the cytoplasm for protein synthesis. Before transport, a pre-mRNA undergoes several steps of post-transcriptional modifications including splicing, 5' capping, and the addition of a poly-adenine tail. Various proteins bind to the pre-mRNA during these modifications. The mRNA transport takes place with the help of multiple proteins playing specific...
01:28
Electron Transport Chains
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2019
The final stage of cellular respiration is oxidative phosphorylation that consists of two steps: the electron transport chain and chemiosmosis. The electron transport chain is a set of proteins found in the inner mitochondrial membrane in eukaryotic cells. Its primary function is to establish a proton gradient that can be used during chemiosmosis to produce ATP and generate electron carriers, such as NAD+ and FAD, that are used in glycolysis and the citric acid cycle. The ETC is comprised of...
FAQs
Partitioning determines how molecules distribute between neighboring phases or materials at an interface. A substance’s movement therefore depends not only on its presence in one compartment, but also on how readily it enters and remains in the adjacent compartment. In clinical systems, this behavior helps explain differences in drug absorption, distribution, and release across membranes, vessels, tissues, and biomaterial surfaces.
Diffusion moves molecules or ions through concentration-driven redistribution, whereas convection carries fluids and the substances within them. Both mechanisms can contribute to transport at clinical interfaces, but they describe different routes of movement. Distinguishing them helps researchers interpret exchange across cell membranes, blood vessels, and tissue barriers and assess how substances may reach or leave a biological compartment.
Interfacial interactions can alter how molecules, ions, fluids, or energy behave at the boundary between phases or materials. These interactions may affect partitioning and the ease with which a substance crosses or remains near an interface. Their influence is especially relevant when evaluating drug movement through tissues or the behavior of substances at medical-device and engineered-tissue surfaces.
Quantifying movement across an interface provides a basis for comparing how substances enter, leave, or distribute among biological compartments. Such measurements support predictions about drug absorption, distribution, and release rather than relying only on qualitative descriptions. They can also help evaluate how a treatment interacts with tissue barriers or biomaterial surfaces, contributing to safer therapies and improved delivery systems.
Clinical investigations commonly focus on cell membranes, blood vessels, tissue barriers, and biomaterial surfaces because each can regulate exchange between adjoining environments. Examining these interfaces helps connect transport behavior with specific clinical outcomes, including how a drug reaches tissues, crosses a barrier, is released from a delivery system, or interacts with a medical device.
The concept is applied to understand how treatments move across biological boundaries and how engineered materials exchange substances with the body. For drug delivery, it informs absorption, distribution, and release. For medical devices and engineered tissues, it helps characterize interactions at biomaterial surfaces. These applications support the design of systems that behave more predictably in clinical environments.