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Models of Hydrogel Swelling with Applications to Hydration Sensing
Northern Arizona University, Dept. of Physics, Flagstaff, AZ 86011, USA
Cantimer, Inc., Menlo Park, CA 94025, USA
* Author to whom correspondence should be addressed.
Received: 7 September 2007; Accepted: 21 September 2007 / Published: 25 September 2007
Abstract: Hydrogels, polymers and various other composite materials may be used insensing applications in which the swelling or de-swelling of the material in response tosome analyte is converted via a transducer to a measurable signal. In this paper, we analyzemodels used to predict the swelling behavior of hydrogels that may be used in applicationsrelated to hydration monitoring in humans. Preliminary experimental data related toosmolality changes in fluids is presented to compare to the theoretical models. Overall,good experimental agreement with the models is achieved.
Keywords: Hydrogel; Swelling; Osmolality
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Porter, T.L.; Stewart, R.; Reed, J.; Morton, K. Models of Hydrogel Swelling with Applications to Hydration Sensing. Sensors 2007, 7, 1980-1991.
Porter TL, Stewart R, Reed J, Morton K. Models of Hydrogel Swelling with Applications to Hydration Sensing. Sensors. 2007; 7(9):1980-1991.
Porter, Timothy L.; Stewart, Ray; Reed, Jim; Morton, Kathryn. 2007. "Models of Hydrogel Swelling with Applications to Hydration Sensing." Sensors 7, no. 9: 1980-1991.