Analysis of the interactions of biologically active poly(methacrylic-aminosalicylic acid) supports with Ca2+ and Zn2+ by ultrafiltration

Rivas BL; Moreno-Villoslada, I; Elvira, C; San Roman, J

Abstract

The interactions at pH 5.5 of the water-soluble poly(N-methacryloyl-4-aminosalicylic acid) (poly(4-HMA)) with small amounts of Ca2+ and Zn2+, taking into consideration the statistical stereochemical distribution of the monomeric methacrylic units, are analysed by an ultrafiltration technique. The values of the interaction constants for the complexation of the salicylic side groups with each metal ion at these experimental conditions are given as a function of the ionic strength, and the results obtained indicate that Zn2+ interacts with the polymer 16 times better than Ca2+. Copyright © 2001 Elsevier Science B.V.

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Título según WOS: Analysis of the interactions of biologically active poly(methacrylic-aminosalicylic acid) supports with Ca2+ and Zn2+ by ultrafiltration
Título según SCOPUS: Analysis of the interactions of biologically active poly(methacrylic-aminosalicylic acid) supports with Ca2+ and Zn2+ by ultrafiltration
Título de la Revista: JOURNAL OF MEMBRANE SCIENCE
Volumen: 192
Número: 01-feb
Editorial: Elsevier
Fecha de publicación: 2001
Página de inicio: 187
Página final: 191
Idioma: English
URL: http://linkinghub.elsevier.com/retrieve/pii/S0376738801004975
DOI:

10.1016/S0376-7388(01)00497-5

Notas: ISI, SCOPUS