Use of NMR binding interaction mapping techniques to examine interactions of chiral molecules with molecular micelles

Article Abstract:

NMR spectroscopy was used to investigate the association of four chiral molecules with the molecular micelle poly(sodium N-undecanoyl-L-leucylvalinate) (poly(SULV)). Addition of poly(SULV) to the background electrolyte in electrokinetic chromatography (EKC) allows enantiomeric resolution to be achieved because enantiomers interact differentially with the chiral centers on the micelle headgroups as they both move in the electric field.

Chirality

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Solute-solvent contact by intermolecular cross-relaxation. 2. The water-micelle interface and the micellar interior

Article Abstract:

The intermolecular dipole-dipole cross-relaxation is measured in the micellar solution of sodium perfluorooctanoate (NaPFO). The intermolecular cross-relaxation and aggregation-induced [super 19]F chemical shift changes have not indicated any direct water contact to fluorines except for those closest to the head group.

Electric properties, Dipole moments, Fluorine compounds

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Investigation of the micellization process of single and gemini surfaces from arginine by SAXS, NMR self-diffusion, and light scattering

Article Abstract:

A combination of numerous techniques is used to study the micellization process of single and gemini surfaces from arginine. The aggregation numbers and the geometrical dimensions are found to be the main parameters for characterizing the micellar shape.

Arginine, Optical properties, Light scattering

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