Sweeping, using an anionic bile acid surfactant and neutral γ-cyclodextrin (γ-CD) under alkaline conditions (pH 8), resulted in focusing and separation of the moderately hydrophobic (non-ionic) classes of steroids, such as androgen and corticosteroids.
Amine oxides are an alternative, non-ionic class of gas hydrate anti-agglomerant (AA) surfactants that are potentially more environmentally-friendly than cationic surfactant AAs.
Class I hybrids only have weak van der Waals forces, hydrogen bonding and/or ionic bonding, whereas class II hybrids have strong covalent bonding,[ 4b] which is normally achieved by modifying the polymer so it can bond to the inorganic phase.
2. In addition to the familiar molecular acids, two classes of ionic acids emerge from the new definition.
Ionic liquids are a class of fluids that requires the attentions of experimentalist and theoreticians.
We report the synthesis and characterization of a novel class of ionic semiconductor materials – inorganic chalcogenide perovskites.
A new class of ionic copolymers containing amine and phosphonate functionalities has been prepared for the first time.
The new class of ionic liquid crystals based on metal alkanoates possesses a number of unique properties, such as intrinsic ionic conductivity, high solvating power, and ability to form time-stable mesomorphic glasses.
Since these polymers exhibited liquid crystalline phase both in the melt and in solution, they can be appropriately classified as amphotropic class of ionic polymers.
Since these polymers exhibited liquid-crystalline phase both in the melt and in solutions, they belong to an amphotropic class of ionic polymers.
The class of ionic liquids, based on tetraalkylammonium cation and chloroaluminate anion, has been extensively studied since late 1970s of the XX century, following the works of Osteryoung.
