The occurrance of interaction between the polyanionic sodium alginate and polycationic compuonds (gentamicin, bovine serum albumin, chitosan) was investigated by rheological measurements. Under soluble complex conditions, the interaction was analyzed by evaluating the "electroviscous effect", whereas in the presence of solid complexes it was monitored by determining viscosity modifications in supernatant solutions after the complex removal.
Evaluation of polyelectrolyte complexes by means rheological analysis / Iannuccelli, Valentina; Coppi, Gilberto; Sergi, Santo; Sala, Nicoletta; Cameroni, Riccardo. - In: ACTA TECHNOLOGIAE ET LEGIS MEDICAMENTI. - ISSN 1121-2098. - STAMPA. - 12:(2001), pp. 29-42.
Evaluation of polyelectrolyte complexes by means rheological analysis
IANNUCCELLI, Valentina;COPPI, Gilberto;SERGI, Santo;SALA, Nicoletta;CAMERONI, Riccardo
2001-01-01
Abstract
The occurrance of interaction between the polyanionic sodium alginate and polycationic compuonds (gentamicin, bovine serum albumin, chitosan) was investigated by rheological measurements. Under soluble complex conditions, the interaction was analyzed by evaluating the "electroviscous effect", whereas in the presence of solid complexes it was monitored by determining viscosity modifications in supernatant solutions after the complex removal.
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