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Capturing skin properties from dynamic mechanical analyses

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dc.contributor.advisor Lynette A. Jones. en_US
dc.contributor.author Sandford, Erika J. (Erika Jaye) en_US
dc.contributor.other Massachusetts Institute of Technology. Dept. of Mechanical Engineering. en_US
dc.date.accessioned 2012-11-19T19:20:22Z
dc.date.available 2012-11-19T19:20:22Z
dc.date.copyright 2012 en_US
dc.date.issued 2012 en_US
dc.identifier.uri http://hdl.handle.net/1721.1/74941
dc.description Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2012. en_US
dc.description Cataloged from PDF version of thesis. en_US
dc.description Includes bibliographical references (p. 76-79). en_US
dc.description.abstract Existing skin mechanical testing devices focus on measuring skin elasticity and are not tailored to assess the dynamic behavior of skin. The mathematical techniques used to analyze data collected using these devices are often not optimal. A new dynamic mechanical device that measures the linear dynamics of skin was developed and tested. The mechanical properties of skin were evaluated in experiments in which the stiffness and damping parameter were measured at different locations on the arm and hand, when stratum corneum hydration was varied by controlled changes in environmental humidity, and following the application of film-forming polymers. Parallel measurements were made with the Cutometer® so that the two devices could be compared. The findings revealed that reliable and valid measurements of skin mechanical properties can be obtained from the device. The stiffness of the skin was shown to vary significantly as a function of skin site, changes in stratum corneum hydration, and following the application of the polymer films. Changes in the damping parameter were less consistently associated with varying the condition of the skin. The high reliability and speed of measurement make this device and analytic procedure an attractive option for testing skin mechanics. en_US
dc.description.statementofresponsibility by Erika Sandford. en_US
dc.format.extent 84 p. en_US
dc.language.iso eng en_US
dc.publisher Massachusetts Institute of Technology en_US
dc.rights M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. en_US
dc.rights.uri http://dspace.mit.edu/handle/1721.1/7582 en_US
dc.subject Mechanical Engineering. en_US
dc.title Capturing skin properties from dynamic mechanical analyses en_US
dc.type Thesis en_US
dc.description.degree S.M. en_US
dc.contributor.department Massachusetts Institute of Technology. Dept. of Mechanical Engineering. en_US
dc.identifier.oclc 815966516 en_US


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