Fluid Interface
Fluid Interface - Related Videos
02:04
Protein-protein Interfaces
0 Views •
2020
Many proteins form complexes to carry out their functions, making protein-protein interactions (PPIs) essential for an organism's survival. Most PPIs are stabilized by numerous weak noncovalent chemical forces. The physical shape of the interfaces determines the way two proteins interact. Many globular proteins have closely-matching shapes on their surfaces, which form a large number of weak bonds. Additionally, many PPIs occur between two helices or between a surface cleft and a polypeptide...
07:06
Methods for the Self-integration of Megamolecular Biopolymers on the Drying Air-LC Interface
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Cited by 4 •
2017
A method for the drying-induced self-integration of megamolecular biopolymers on the air-liquid crystalline interface is provided here. This methodology will be useful not only for understanding the macroscopic potentials of biopolymers, but also as an evaluation method for soft materials in biomedical and environmental fields.
16:38
Bridging the Bio-Electronic Interface with Biofabrication
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Cited by 3 •
2012
This article describes a biofabrication approach: deposition of stimuli-responsive polysaccharides in the presence of biased electrodes to create biocompatible films which can be functionalized with cells or proteins. We demonstrate a bench-top strategy for the generation of the films as well as their basic uses for creating interactive biofunctionalized surfaces for lab-on-a-chip applications.
03:34
Spatial Measurement of Tumor Interstitial Fluid Pressure: A Method to Measure the Interstitial Fluid Pressure
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2023
This video describes a technique of measuring the interstitial fluid pressure within a tumor by perfusion imaging using an image-guided robotic system. Measurements are compared to the intra-tumoral accumulation of liposomes, within a solid tumor.
08:19
Isolation of Leukocytes from the Human Maternal-fetal Interface
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Cited by 57 •
2015
Described herein is a protocol to isolate and further study the infiltrating leukocytes of the decidua basalis and decidua parietalis - the human maternal-fetal interface. This protocol maintains the integrity of cell surface markers and yields enough viable cells for downstream applications as proven by flow cytometry analysis.
FAQs
Interfacial tension changes the energetic and mechanical balance at the boundary, influencing whether the interface resists deformation or changes shape. Pressure differences can deform it, while viscous forces affect how quickly it moves and gravitational forces contribute to its stability. Engineers therefore consider these forces together when predicting interface behavior in multiphase systems.
Their combined effects determine whether an interface remains stable, deforms, or moves through a system. Pressure is associated with changes in shape, viscosity influences resistance to motion, and gravity affects stability. Evaluating these contributions helps engineers interpret the behavior of droplets, bubbles, thin films, and other fluid structures under operating conditions.
Contact angle indicates how strongly a fluid wets a solid surface, providing a useful measure of the interface's interaction with that surface. This behavior matters when designing systems involving coatings, droplets, or thin films, because surface wetting can influence how fluids spread, remain localized, or interact with engineered materials.
The two interface types can exhibit different behavior because the adjoining phases have different compositions and molecular interactions. That distinction affects the resulting interfacial tension and the response to pressure, viscous, and gravitational forces. Recognizing the interface type helps engineers select appropriate considerations for emulsions, bubbles, droplets, and multiphase flows.
A useful analysis begins by identifying the adjoining fluids and the relevant solid surfaces, then examining interfacial tension, pressure, viscous forces, gravitational effects, and contact angle where wetting occurs. Relating these variables to shape, motion, and stability provides a basis for predicting transport, mixing, and flow performance in the intended system.
Fluid-interface behavior is important in microfluidic devices, coatings, heat-transfer systems, separators, and chemical-processing equipment. These applications depend on controlling or predicting droplets, bubbles, emulsions, thin films, or multiphase flow. Understanding the interface helps engineers connect material and operating conditions with the performance of the overall process.
Analysis can help predict how fluid structures deform and move, how stable they remain, and how interfaces affect transport, mixing, and flow performance. These outcomes support engineering decisions in systems where droplets, bubbles, emulsions, thin films, or multiple flowing phases determine the effectiveness of processing, separation, coating, or heat-transfer operations.