Temperature and pH responsive polymers based on chitosan: Applications and new graft copolymerization strategies based on living radical polymerization

被引:126
作者
Carreira, A. S. [1 ]
Goncalves, F. A. M. M. [1 ]
Mendonca, P. V. [1 ]
Gil, M. H. [1 ]
Coelho, J. F. J. [1 ]
机构
[1] Univ Coimbra, Dept Chem Engn, P-3030290 Coimbra, Portugal
关键词
Chitosan; Temperature and pH responsive; Hydrogels; Particulate carriers; DRUG-RELEASE BEHAVIOR; TUMOR EXTRACELLULAR PH; SENSITIVE HYDROGELS; IN-VITRO; N-ISOPROPYLACRYLAMIDE; DEPENDENT HYDROLYSIS; NETWORK MICROSPHERES; STRUCTURAL-CHANGES; INTERPOLYMERIC PH; DELIVERY-SYSTEMS;
D O I
10.1016/j.carbpol.2009.12.047
中图分类号
O69 [应用化学];
学科分类号
070301 [无机化学];
摘要
The present review aims to highlight the applications of pH and temperature responsive chitosan-based polymers. Such materials are used in the development of several applications, such as drug delivery systems, bioseparation devices, tissue engineering scaffolds, cell culture supports, sensors or actuators systems. Advances in this field are particularly relevant to applications in the areas of regenerative medicine and drug delivery. This review addresses mainly smart polymers, derived from chitosan, including particulate carrier systems, hydrogels and film based materials that are responsive to stimuli such as temperature and pH. A survey of the major contributions is presented. Finally, this review summarizes and analyses recent developments in the field of graft modification of chitosan by living radical polymerization. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码:618 / 630
页数:13
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