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2.6. Swelling Behavior of Hydrogels

XS Xi Song
CZ Chenhui Zhu
DF Daidi Fan
YM Yu Mi
XL Xian Li
RF Rong Zhan Fu
ZD Zhiguang Duan
YW Ya Wang
RF Rui Rui Feng
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The swelling behavior of the hydrogel was examined in phosphate buffered solution (PBS, pH 7.4) at 37 °C. The freeze-dried hydrogel was weighed and recorded (M0). The hydrogel was immersed in the PBS (pH 7.4) and removed at a predetermined point in time. After removing the surface solution of the hydrogel with filter paper, it was weighed and recorded (M1). The swelling ratio of the hydrogel was defined with the following equation:

Copyright and License information:  ©2017 by the authors.
Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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