Hydrophobic Drug Encapsulation
Hydrophobic Drug Encapsulation - Related Videos
03:46
Butyl-Dependant Hydrophobic Interaction Liquid Chromatography: A Technique to Characterize Antibody-Drug Conjugates Based on Hydrophobic Interactions
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2025
This video demonstrates the hydrophobic interaction liquid chromatography-based characterization of antibody-drug conjugates. Using a butyl ligand-based chromatography column, the antibody-drug conjugates are characterized via hydrophobic interactions with the ligand.
10:16
Targeted Plasma Membrane Delivery of a Hydrophobic Cargo Encapsulated in a Liquid Crystal Nanoparticle Carrier
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Cited by 3 •
2017
A liquid crystal nanoparticle (LCNP) nanocarrier is exploited as a vehicle for the controlled delivery of a hydrophobic cargo to the plasma membrane of living cells.
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.
07:45
Proteolytically Degraded Alginate Hydrogels and Hydrophobic Microbioreactors for Porcine Oocyte Encapsulation
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Cited by 10 •
2020
Presented here are two protocols for the encapsulation of porcine oocytes in 3D culture conditions. In the first, cumulus-oocyte complexes (COCs) are encapsulated in fibrin-alginate beads. In the second, they are enclosed with fluorinated ethylene propylene powder particles (microbioreactors). Both systems ensure optimal conditions to maintain their 3D organization.
03:22
Calcium-Dependent Hydrophobic Interaction Chromatography: A Technique to Purify Calcium-Binding Proteins Based on Hydrophobic Interactions
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2025
In this video, we demonstrate the purification of calcium-binding protein from a dialyzed cell lysate through calcium-dependent hydrophobic interaction chromatography. The calcium-binding proteins expose a hydrophobic region upon binding with calcium, facilitating interaction with a hydrophobic group on resin. Later these proteins are eluted using calcium chelator EDTA that reverses the interaction.
FAQs
The carrier creates a locally nonpolar environment around the drug, reducing its direct exposure to surrounding water. This shielding can improve how the compound is handled and dispersed in an aqueous biological setting. By keeping the molecule within a compatible core, membrane, or matrix, the system can support more controlled delivery than the unprotected compound.
Carrier architecture determines both where the drug resides and how it becomes available. A nonpolar core, lipid membrane, or polymer matrix can retain the cargo while the carrier disperses, degrades, or responds to local conditions. Selecting among these structures therefore links material behavior with release timing, distribution, and the intended biological performance.
Performance depends on the compatibility between the drug and its surrounding carrier environment, as well as the way that environment changes after delivery. Carrier dispersal, degradation, or responses to local conditions can alter release. These variables influence whether the system primarily improves handling, protects the cargo, regulates exposure, or supports a more sustained delivery pattern.
Encapsulation can increase apparent solubility by presenting a poorly water-soluble compound through a compatible carrier rather than exposing the drug directly to the aqueous environment. The carrier helps the cargo remain associated with a dispersible system, improving its practical handling and delivery in water-containing biological settings without requiring the drug itself to become water-soluble.
A bioengineering design begins by matching the poorly water-soluble drug with a compatible carrier environment, such as a nonpolar core, lipid membrane, or polymer matrix. The design then considers how the carrier will disperse, degrade, or respond to local conditions. These choices determine how the cargo is protected and how its release can be regulated.
Suitable systems may provide a nonpolar core, a lipid membrane, a polymer matrix, or another compatible material that shields the cargo from water. The important design consideration is not simply the material category, but whether its environment can retain the hydrophobic molecule and provide the desired balance of handling, protection, and release control.
Researchers would consider this strategy when a poorly water-soluble therapeutic needs improved handling, protection, or regulated delivery. It is particularly relevant when a platform must support targeted or sustained release, influence drug distribution, control dosage, or reduce potential toxicity. These goals make encapsulation useful for designing delivery systems around the biological behavior of the cargo.
A successful platform can improve apparent solubility, protect the drug cargo, and regulate when the compound becomes available as the carrier disperses, degrades, or responds to local conditions. In bioengineering, those properties support control over distribution and dosage while helping researchers pursue targeted or sustained delivery and improved overall biological performance.