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Amphipols (a portmanteau of amphiphilic polymers) are a class of amphiphilic polymers designed to keep membrane proteins soluble in water without the need for detergents, which are traditionally used to this end but tend to be denaturing. [1]
In chemistry, an amphiphile (from Greek αμφις (amphis) 'both' and φιλíα 'love, friendship'), or amphipath, is a chemical compound possessing both hydrophilic (water-loving, polar) and lipophilic (fat-loving, nonpolar) properties. [1] Such a compound is called amphiphilic or amphipathic.
A typical amphiphilic flexible surfactant can form aggregates through a self-assembly process that results of specific interactions between the molecules of the amphiphilic mesogen and those of the non-mesogenic solvent. In aqueous media, the driving force of the aggregation is the "hydrophobic effect". The aggregates formed by amphiphilic ...
Peptide amphiphiles were developed in the 1990s. They were first described by the group of Matthew Tirrell in 1995. [5] [6] These first reported PA molecules were composed of two domains: one of lipophilic character and another of hydrophilic properties, which allowed self-assembly into sphere-like supramolecular structures as a result of the association of the lipophilic domains away from the ...
Micelle (polymers) Organized auto-assembly formed in a liquid and composed of amphiphilic macromolecules, in general amphiphilic di- or tri-block copolymers made of solvophilic and solvophobic blocks. Note 1: An amphiphilic behavior can be observed for water and an organic solvent or between two organic solvents. Note 2
Ethanol is an amphiphilic molecule meaning that it has chemical and physical properties associated with hydrophobic and hydrophilic molecules. [ 3 ] [ 4 ] Although, studies show that when penetrating through the biomembrane its hydrophobic abilities appear to be limited based on its preference to bind closely to the hydrophilic region of the ...
Specific properties of different wetting solutions are able to alternate drug delivery which is beneficial in improving drug safety and patients' experiences . For example, solulan C-24, a non-ionic wetting solution, forms large bilayers of wetting solution molecules known as discosomes that have a lower risk of causing systemic adverse effects .
The characterization of mechanical properties in polymers typically refers to a measure of the strength, elasticity, viscoelasticity, and anisotropy of a polymeric material. The mechanical properties of a polymer are strongly dependent upon the Van der Waals interactions of the polymer chains, and the ability of the chains to elongate and align ...