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Responsive and recognitive hydrogels using star polymers

✍ Scribed by Oral, Ebru ;Peppas, Nicholas A.

Publisher
John Wiley and Sons
Year
2004
Tongue
English
Weight
175 KB
Volume
68A
Category
Article
ISSN
0021-9304

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✦ Synopsis

Abstract

Polymeric networks that have inherent capabilities to recognize different molecules and chemical changes in their environment are the next generation of materials that will aid in the diagnosis and treatment of diseases. We have prepared new networks based on star polymers that were designed to be responsive and recognitive. Using molecular imprinting with D‐glucose and crosslinking with poly(ethylene glycol) dimethacrylate with an ethylene glycol chain of nominal molecular weight 600, we prepared star polymer networks, which exhibited over 300% more uptake for D‐glucose compared to D‐fructose. Using copolymerization with methacrylic acid, we prepared star polymer networks with pH‐sensitivity, which showed a sharp transition in swelling around a pH of 4.5. © 2004 Wiley Periodicals, Inc. J Biomed Mater Res 68A: 439–447, 2004

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