CIESC Journal ›› 2020, Vol. 71 ›› Issue (10): 4365-4378.doi: 10.11949/0438-1157.20200445

• Reviews and monographs • Previous Articles     Next Articles

Recent progress in preparation of functional capsule membranes based on co-extrusion minifluidic technique

Wenying LIU1(),Xiaojie JU1,2,Rui XIE1,2,Wei WANG1,2,Zhuang LIU1,2,Liangyin CHU1,2()   

  1. 1.School of Chemical Engineering, Sichuan University, Chengdu 610065, Sichuan, China
    2.State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, Sichuan, China
  • Received:2020-04-29 Revised:2020-05-18 Online:2020-10-05 Published:2020-05-26
  • Contact: Liangyin CHU E-mail:1050678061@qq.com;chuly@scu.edu.cn

Abstract:

As a kind of encapsulation system, the capsule membrane has a unique internal cavity structure, which can encapsulate and protect active substances and is widely used in the fields of substance encapsulation and controlled release of drugs. Capsule membranes fabricated with calcium alginate (Ca-Alg) as shells process notable advantages such as good biocompatibility and degradability. Compared with other fabrication methods, co-extrusion minifluidic technique has the advantages of facile fabrication process and mild conditions for fabrication of Ca-Alg capsule membranes with uniform size and regulated structures. This paper reviews recent progress in fabrication and functionalization of Ca-Alg capsule membranes by co-extrusion minifluidic technique. Fabrication of Ca-Alg capsule membranes with single and multi-compartment, factors affecting mass transfer of Ca-Alg capsule membranes, encapsulation of cells for producing multicellular spheroids and investigating the mechanics of tumor progression in vitro with three-dimensional environments, and functionalization of Ca-Alg capsule membranes by addition of functional materials with thermo and pH-responsive switching functions are highlighted. This review provides guidance for the further design and fabrication of novel capsule membranes as well as their applications in enzyme catalytic reactions, immobilizations of cells and foods, and controlled release of chemicals.

Key words: capsule membranes, co-extrusion method, calcium alginate, encapsulation, functional materials

CLC Number: 

  • TQ 316
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