Bioactive Polymers XXXVI. Controlled Release of Cephalosporine C from Cellulosic Derivatives

Author:

Dumitriu Severian1,Popa Marcel1

Affiliation:

1. Polytechnic Institute of Jassy Department of Organic and Macromolecular Chemistry 23 August 11, R-6600 Jassy, Romania

Abstract

Cephalosporine C was coupled onto cellulosic derivatives of N-(4-carboxy phenyl)carbamoylmethyl cellulose and crosslinked carboxymethyl cellulose to achieve controlled drug release. Starting from a mathematical model, the in fluence of certain parameters of the reaction (drug/support, activator/support molecular ratios, and reaction times) on the amount of Cephalosporine C chem ically bound to the cellulose products was determined. Evaluation of the cou pled products show extended activity by the release of Cephalosporine C by hydrolysis.

Publisher

SAGE Publications

Subject

Materials Chemistry,Polymers and Plastics,Biomaterials,Bioengineering

Reference29 articles.

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2. Model Reactions for Synthesis of Pharmacologically Active Polymers by Way of Monomeric and Polymeric Reactive Esters

3. Kydonieus, A.F. "Fundamental Concepts of Controlled Release," Controlled Release Technologies; Methods, Theory and Application, F. Kydonieus, ed. CRC Press, Vol. II, p. 3 (1980).

4. Robinson, J.R. "Controlled Release Pharmaceutical Systems," Chemical Marketing and Economics Reprints, F. W. Long , W. P. O'Neill, and R. D. Stewart, eds. American Chemical Society, San Francisco, p. 212 (1976).

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