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Radiation-Grafting of Cotton-g-DMAEMA for Biomedical Applications

Published online by Cambridge University Press:  18 December 2012

Marco A. Luna-Straffon ,
Gerardo Cedillo  and
Emilio Bucio
Marco A. Luna-Straffon
Affiliation:
Departamento de Química de Radiaciones y Radioquímica, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, México DF 04510, México
Gerardo Cedillo
Affiliation:
Instituto de Investigaciones en Materiales, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, México DF04510, México
Emilio Bucio
Affiliation:
Departamento de Química de Radiaciones y Radioquímica, Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Circuito Exterior, Ciudad Universitaria, México DF 04510, México
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Abstract

This work covers the design of stimuli-responsive membranes and their ever-expanding range of use. Stimuli-responsive membranes that change their physicochemical properties in response to changes in their environment were synthesized for biomedical application. Responsive cotton-g-[2-(dimethylamino) ethyl methacrylate] membranes were obtained using γ-rays by mutual irradiation (direct method). The effect of absorbed dose, dose rate, and monomer concentration on the grafting yield was determined. The grafted samples were verified by the FTIR-ATR, 1H and 13C HRMAS NMR and 13C CPMAS NMR spectroscopies; thermal properties were analyzed by TGA and DSC and the stimuli-responsive behavior was studied by DSC.

Keywords

Radiation effectsNuclear Magnetic Resonance (NMR)biomedical
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1483: Symposium S – New Trends in Polymer Chemistry and Characterization , 2012 , imrc12-1483-s5b-p010
Copyright
Copyright © Materials Research Society 2012 

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