Chinese Journal of Applied Chemistry ›› 2024, Vol. 41 ›› Issue (6): 870-877.DOI: 10.19894/j.issn.1000-0518.230255

• Full Papers • Previous Articles     Next Articles

Preparation of CO2 Stimulus-Responsive Hydrogel and Its Application in Protein Separation

Shou-Cun ZHANG(), Xue-Yin YAN, Yang-Hua SONG, Zhuo-Min LI   

  1. Key Laboratory of Polymer Materials and Manufacturing Technology,College of Materials Science and Engineering,North Minzu University,Yinchuan 750021
  • Received:2023-08-26 Accepted:2024-05-06 Published:2024-06-01 Online:2024-07-09
  • Contact: Shou-Cun ZHANG
  • About author:zhang_sc@ nun.edu.cn
  • Supported by:
    Key Laboratory of Powder Material & Advanced Ceramics North Minzu University(2201);Ningxia Natural Science Foundation(2023AAC03282)

Abstract:

A composite hydrogel material, denoted as GCel/PD, is synthesized by utilizing cellulose, NN′-dimethylaminoethyl methacrylate (DMAEMA) and NN'-methylenebis(acrylamide) as the main raw materials. The results demonstrate that the GCel/PD materials exhibit significant CO2 stimulus-responsive characteristics, and can effectively adsorb and separate bovine serum albumin (BSA). The maximum adsorption capacity can reach (434.4±15) mg/g. Moreover, under the cyclic switching between CO2 and nitrogen atmospheres, the GCel/PD material can exhibit good cycling stability. The adsorption capacity is as high as 167.5 mg/g even after three usage cycles. The material's particulate nature facilitates its post-usage separation from the system, exhibits promising potential in protein extraction and separation.

Key words: Composite hydrogel, CO2, Stimulus-responsive, Adsorption and separation

CLC Number: