Modeling and simulation of drug release from multi-layer biodegradable polymer microstructure, in three dimensions

被引：21

作者：

Yu, Ruixia ^{[1
]}

Chen, Hualing ^{[1
]}

Chen, Tianning ^{[1
]}

Zhou, Xiangyang ^{[1
]}

机构：

[1] Xi An Jiao Tong Univ, Sch Mech Engn, Xian 710049, Peoples R China

来源：

SIMULATION MODELLING PRACTICE AND THEORY | 2008年 / 16卷 / 01期

基金：

国家高技术研究发展计划(863计划); 中国国家自然科学基金;

关键词：

modeling; cellular automata (CA); biodegradable polymer; multi-layer drug delivery system; three-dimensions;

D O I：

10.1016/j.simpat.2007.09.008

中图分类号：

TP39 [计算机的应用];

学科分类号：

081203 ; 0835 ;

摘要：

Multi-layer biodegradable polymer drug delivery microstructures with micro-chambers have many exceptional advantages in a long-term controlled drug delivery. In this paper, a mathematical model for the drug release from this type of three-dimensional (3D) drug delivery microstructures is presented by using 3D cellular automata and discrete iterations. The validity of the model is proved by comparing with the Gopferich's simulated profiles for the same composite polymer cylinder matrices. Based on this model, furthermore, the simulations are done to describe the dynamic behavior of drug release from this type of microstructures. The simulation results show that this 3D mathematical model can describe accurately the drug release behavior and therefore can provide a new optimal design tool for this kind of multi-layer biodegradable polymer drug delivery microstructure. (c) 2007 Elsevier B.V. All rights reserved.

引用

页码：15 / 25

页数：11

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