Poroelastic swelling kinetics of thin hydrogel layers: comparison of theory and experiment

@inproceedings{Yoon2010PoroelasticSK,
  title={Poroelastic swelling kinetics of thin hydrogel layers: comparison of theory and experiment},
  author={Jinhwan Yoon and Shengqiang Cai and Zhigang Suo and Ryan C. Hayward},
  year={2010}
}
Thin poly(N-isopropylacrylamide) (PNIPAM) hydrogels were allowed to swell under two conditions: as freestanding layers and as substrate-attached layers. Through a combination of particle tracking and defocusing methods, the positions of beads embedded within the gels were monitored over time via fluorescence microscopy, providing a convenient method to track the kinetics of swelling for layers with thicknesses of the order 100 mm. These data are compared with the predictions of linear… CONTINUE READING

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