Membrane partitioning and translocation of hydrophobic phosphonium homologues: thermodynamic analysis by immobilized liposome chromatography

Article Abstract:

Partitioning of hydrophobic cations, tetraphenylphosphonium (TPP(super +)) and triphenylphosphonium homologues into lipid bilayers are studied by chromatography on immobilized small and large unilamellar liposomes. The liposomes are immobilized stably in chromatographic gel beads by avidin-biotin. By immobilized liposome chromatography (ILC), membrane partition coefficients (K(sub LM)) of the cations were measured.

All Other Basic Inorganic Chemical Manufacturing, Phosphorus & Compounds, Chemistry, Physical and theoretical, Physical chemistry, Chromatography, Phosphorus compounds

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Destabilization of liposomes by uncharged hydrophilic and amphiphilic polymers

Article Abstract:

The destabilizing effects on the two polymers, hydrophilic polymer, poly-alpha,beta-[N-(2-hydroxyethyl)-L-aspartamide] (PHEA), and amphiphilic polymer, PHEA-g-poly(2,2-dimethyltrimethylene carbonate) (PHEA-g-PDTC), on the liposome membranes are investigated. The information obtained from the results can be used for the studies on the polymer-liposome interaction.

Polymers, Properties

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High-magnetic-field effects on liposomes and black membranes of dipalmitoylphosphatidylcholin: magnetoresponses in membrane potential and magnetofusion

Article Abstract:

Deformation in membranes of dipalmitoylphosphatidylcholin (DPPC) led to the fusion of its liposome and large changes in the membrane potential of its black membrane under high magnetic fields of up to 28 T. The magnetofusion of DPPC liposomes significantly depended on the particle size and aromatic compounds doped.

Membranes (Biology), Chemical compounds

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