A Method to Accelerate the Gelation of Disulfide-crosslinked Hydrogels

Xiaoshan Yan; Xiaotong Yang; Xinming Tong; Yanbin Huang

doi:10.1007/s10118-015-1567-5

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A Method to Accelerate the Gelation of Disulfide-crosslinked Hydrogels

PAPER | Updated：2021-06-21

- A Method to Accelerate the Gelation of Disulfide-crosslinked Hydrogels
- Chinese Journal of Polymer Science Vol. 33, Issue 1, Pages: 118-127(2015)
- Affiliations：
  
  Key Laboratory of Advanced Materials (MOE), Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
- Author bio：
  
  **Xinming Tong (童新明), E-mail: tongxm@tsinghua.edu.cn
  Yanbin Huang (黄延宾), E-mail: yanbin@tsinghua.edu.cn
- Funds：
- DOI：10.1007/s10118-015-1567-5
  CLC：
- Received：25 April 2014，
  
  Revised：2014-05-19，
  
  Accepted：31 May 2014，
  
  Published：2015-01
- Accepted：
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Xiaoshan Yan, Xiaotong Yang, Xinming Tong, et al. A Method to Accelerate the Gelation of Disulfide-crosslinked Hydrogels[J]. Chinese Journal of Polymer Science, 2015, 33(1): 118-127.
DOI：

Xiaoshan Yan, Xiaotong Yang, Xinming Tong, et al. A Method to Accelerate the Gelation of Disulfide-crosslinked Hydrogels[J]. Chinese Journal of Polymer Science, 2015, 33(1): 118-127. DOI： 10.1007/s10118-015-1567-5.

摘要

Abstract

A glutathione-disulfide-ended poly(ethylene glycol) (GSSG-PEG-GSSG) was designed. It is a much more efficient accelerator than glutathione disulfide (GSSG) for the gelation of an 8arm-PEG-SH polymer solution

and the gelation time can be tuned from hours to minutes at the physiological pH and temperature. A mechanism was proposed to explain the different behaviors of the GSSG and GSSG-PEG-GSSG gelation systems. Due to the ever-going thiol-disulfide exchange reaction

the thiol-disulfide hydrogels also showed interesting swelling behavior.

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