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Dehydration Time Dependence on Piezoelectric and Mechanical Properties of Bovine Cornea

Published online by Cambridge University Press:  10 February 2011

A. C. Jayasuriya ,
J. I. Scheinbeim ,
V. Lubkin ,
G. Bennett  and
P. Kramer
A. C. Jayasuriya
Affiliation:
Polymer Electroprocessing Laboratory, Department of Chemical and Bio-Chemical Engineering, Rutgers University, New Jersey, 98 Brett Road, Piscataway, NJ 08854
J. I. Scheinbeim
Affiliation:
Polymer Electroprocessing Laboratory, Department of Chemical and Bio-Chemical Engineering, Rutgers University, New Jersey, 98 Brett Road, Piscataway, NJ 08854
V. Lubkin
Affiliation:
Aborn Laboratory, New York Eye and Ear Infirmary, 310 East 14th Street, New York, NY 1000
G. Bennett
Affiliation:
Aborn Laboratory, New York Eye and Ear Infirmary, 310 East 14th Street, New York, NY 1000
P. Kramer
Affiliation:
Aborn Laboratory, New York Eye and Ear Infirmary, 310 East 14th Street, New York, NY 1000
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Abstract

The Young's Modulus (E) and piezoelectric coefficient (d31) have been investigated as a function of dehydration time for bovine cornea at room temperature. The piezoelectric and mechanical responses observed were anisotropic for bovine cornea and d31 decreased, while E increased with dehydration. In addition, water molecules appear to increase the crystallinity (of collagen) in the cornea. With dehydration of the cornea, reduction of crystallinity and changes in hydrogen bonding were observed by Fourier Transform Infra Red (FTIR) and Wide Angle X-ray Diffracion (WAXD) measurements.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 600: Symposium FF – Electroactive Polymers , 1999 , 137
Copyright
Copyright © Materials Research Society 2000

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