Surface active properties of chitosan and its derivatives

被引：173

作者：

Elsabee, Maher Z. ^{[1
]}

Morsi, Rania Elsayed ^{[2
]}

Al-Sabagh, A. M. ^{[3
]}

机构：

[1] Cairo Univ, Fac Sci, Dept Chem, Cairo 12613, Egypt

[2] EPRI, Cent Lab, Nasr City 11727, Cairo, Egypt

[3] EPRI, Dept Petr Applicat, Nasr City 11727, Cairo, Egypt

来源：

COLLOIDS AND SURFACES B-BIOINTERFACES | 2009年 / 74卷 / 01期

关键词：

Chitosan; Chitosan derivatives; Hydrophobic substitution; Surface active properties; Aggregation behavior; Drug encapsulation; Surface interactions; BY-LAYER ASSEMBLIES; POLYMERIC MICELLES; AIR-WATER; ALTERNATING BIOACTIVITY; PULMONARY SURFACTANT; HYDROPHILIC POLYMERS; PHOSPHOLIPID-BILAYER; AGGREGATION BEHAVIOR; GRAFTED CHITOSAN; MOLECULAR-WEIGHT;

D O I：

10.1016/j.colsurfb.2009.06.021

中图分类号：

Q6 [生物物理学];

学科分类号：

071011 ;

摘要：

This review discusses the definition of surface active agents and specifically natural polymeric Surface active agents. Chitosan by itself was found to have weak surface activity since it has no hydrophobic segments. Chemical modifications of chitosan could improve Such surface activity. This is achieved by introducing hydrophobic substituents in its glucosidic group. Several examples of chitosan derivatives with surfactant activity have been Surveyed. The surface active polymers form micelles and aggregates which have enormous importance in the entrapment of water-insoluble drugs and consequently applications in the controlled drug delivery and many biomedical fields. Chitosan also interacts with several substrates by electrostatic and hydrophobic interactions with considerable biomedical applications. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：1 / 16

页数：16

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