Specific interactions in model charged polysaccharide systems

Article Abstract:

The viscoelastic response of the polysaccharide systems was investigated as a function of polymer concentration, degree of modification, ionic strength, temperature, and addition of competitive molecules. It was observed that there was an increase in the long relaxation times with the density of CD-AD complexes in the semidilute regime, reflecting that there is hindrance in the local flow processes due to reversible interchain bonds.

All Other Basic Organic Chemical Manufacturing, Industrial organic chemicals, not elsewhere classified, Polysaccharides, Polymers, Viscoelasticity

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Tetraphenylporphyrin-cobalt(III) bis(1,2-dicarbollide) conjugates: From the solution characteristics to inhibition of HIV protease

Article Abstract:

Tetraphenylporphyrin conjugates with one (PB1) and four (PB4) cobalt(III) bis(1,2-dicarbollide) substituents are synthesized and the physicochemical and photophysical properties are described. It is found that both PB1 and PB4 are new representatives of nonpeptide HIV-I protease inhibitors.

All Other Basic Inorganic Chemical Manufacturing, Industrial Organic Chemicals, Cyclic Crude and Intermediate Manufacturing, Industrial inorganic chemicals, not elsewhere classified, Porphyrins, Cobalt Compounds, Protease inhibitors

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