24 A review on the radiation synthesis of copolymeric hydrogels for adsorption and separation purposes

Author(s): Guven, O; Sen, M; Karadag, E; Saraydin, D

Title: A review on the radiation synthesis of copolymeric hydrogels for adsorption and separation purposes

Source: RADIATION PHYSICS AND CHEMISTRY, 56 (4): 381-386 OCT 1999

Language: English

Document Type: Review

Author Keywords: copolymeric hydrogels; diprotic acid hydrogels; radiation synthesis; adsorption separation

Keywords Plus: ACRYLAMIDE/ITACONIC ACID HYDROGELS; SWELLING BEHAVIOR; BIOCOMPATIBILITY; SERUM; DYES

Abstract: Recent theoretical and experimental work on the radiation synthesis, characterization and the use of hydrogels containing diprotic acid moieties have been reviewed. It is shown that upon incorporating vinyl monomers carrying diprotic acid groups randomly in the main chain, non-ionic hydrogels like poly(acryl amide) and poly(n-vinyl 2-pyrrolidone) acquired stimuli-responsive behaviours. The swelling behaviours of these hydrogels are shown to be predictable reliably under varying solution conditions by a theoretical expression derived recently. Examples are given for the utilization of these hydrogels in the adsorption and separation of biomolecules, dyes and metal ions in aqueous media and their ability to release drugs in stepwise manner in response to pH of the environment. (C) 1999 Elsevier Science Ltd. All rights reserved.

Addresses: Hacettepe Univ, Dept Chem, TR-06532 Ankara, Turkey; Adnan Menderes Univ, Dept Chem, TR-09100 Aydn, Turkey; Cumhuriyet Univ, Dept Chem, TR-58140 Sivas, Turkey

Reprint Address: Guven, O, Int Atom Energy Agcy, Wagramerstr 5,POB 100, A-1400 Vienna, Austria.

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Cited Reference Count: 26

Times Cited: 25

Publisher: PERGAMON-ELSEVIER SCIENCE LTD

Publisher Address: THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, ENGLAND

ISSN: 0969-806X

29-char Source Abbrev.: RADIAT PHYS CHEM

ISO Source Abbrev.: Radiat. Phys. Chem.

Source Item Page Count: 6

Subject Category: CHEMISTRY, PHYSICAL; PHYSICS, ATOMIC, MOLECULAR & CHEMICAL; NUCLEAR SCIENCE & TECHNOLOGY

ISI Document Delivery No.: 252WK