Hydrophilic Membrane Use
Hydrophilic Membrane Use - Related Videos
03:07
Hydrophilic Interaction Liquid Chromatography: A Technique to Separate Hydrophilic Polar Analytes Using Hydrophilic Beads
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2025
This video demonstrates the principle of separation of hydrophilic polar compounds using hydrophilic interaction liquid chromatography. This technique helps in the purification of various polar analytes, including N-glycans.
09:01
A Protocol for the Production of Gliadin-cyanoacrylate Nanoparticles for Hydrophilic Coating
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2016
This article presents a protocol for the production of protein-based nanoparticles that changes the hydrophobic surface to hydrophilic. The produced nanoparticle is an assembly of gliadin-cyanoacrylate diblock copolymers. Spray coating with the produced nanoparticle changes the surface of target material to a hydrophilic surface.
07:05
Reconstitution of Membrane Proteins
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2023
Reconstitution is the process of returning an isolated biomolecule to its original form or function. This is particularly useful for studying membrane proteins, which enable important cellular functions and affect the behavior of nearby lipids. To study the function of purified membrane proteins in situ, they must be reconstituted by integrating them into an artificial lipid membrane. This video introduces membrane protein reconstitution concepts and related procedures, such as protein...
09:09
Synthesis of Poly(N-isopropylacrylamide) Janus Microhydrogels for Anisotropic Thermo-responsiveness and Organophilic/Hydrophilic Loading Capability
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Cited by 3 •
2016
We present a protocol to synthesize Janus microhydrogels composed entirely of the same base material, poly(N-isopropylacrylamide) (PNIPAAm), with a clearly compartmentalized structure base on the phase separation of a supersaturated NIPAAm monomer solution. The synthesized Janus microhydrogels show unique properties such as anisotropic thermo-responsiveness and organophilic/hydrophilic loading capability.
10:12
Flash NanoPrecipitation for the Encapsulation of Hydrophobic and Hydrophilic Compounds in Polymeric Nanoparticles
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Cited by 72 •
2019
Flash NanoPrecipitation (FNP) is a scalable approach to produce polymeric core-shell nanoparticles. Lab-scale formulations for the encapsulation of hydrophobic or hydrophilic therapeutics are described.
FAQs
Rapid wetting occurs because polar or charged groups at the surface interact with water through hydrogen bonding and other intermolecular forces. As water enters the pores, these interactions help establish liquid contact throughout the membrane, which supports consistent aqueous transport during filtration, dialysis, or sample preparation.
Pore size helps determine which particles or solutes can pass, while pressure influences the movement of liquid through the porous structure. A smaller pore size favors retention of larger components, whereas increased pressure can promote flow. Their combined effects therefore shape separation performance and must match the intended aqueous processing task.
Concentration gradients provide a driving condition for movement, while solute charge can modify how species interact with the membrane environment. These variables matter when separating ions or other dissolved substances because two solutes of similar size may not behave identically. Monitoring both helps explain differences in passage, retention, and analytical sample composition.
Selection should begin with the desired separation: identify the component to retain or transmit, then consider pore size, surface properties, and the pressure conditions available. The membrane must wet effectively in the aqueous system so liquid can enter its pores. Matching these factors helps avoid unsuitable retention or passage during sample preparation and purification.
Hydrophilic membrane use is advantageous when an aqueous workflow requires filtration, dialysis, solvent exchange, or purification. In analytical and laboratory chemistry, the technique can help prepare samples by removing unwanted components or controlling which molecules and ions continue through the membrane. The appropriate choice depends on the separation objective and transport conditions.
During filtration or dialysis, researchers can interpret collected fractions by considering pore size, pressure, concentration gradients, and solute charge. Passage indicates that a species moved under the selected conditions, whereas retention indicates that the membrane restricted it relative to other components. This information helps assess separation behavior and the resulting sample composition.