June 1988
Volume 29, Issue 6
Free
Articles  |   June 1988
Water gradients across bovine cornea.
Author Affiliations
  • J A Castoro
    Chemistry Department, Adelphi University, Garden City, New York 11530.
  • A A Bettelheim
    Chemistry Department, Adelphi University, Garden City, New York 11530.
  • F A Bettelheim
    Chemistry Department, Adelphi University, Garden City, New York 11530.
Investigative Ophthalmology & Visual Science June 1988, Vol.29, 963-968. doi:
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      J A Castoro, A A Bettelheim, F A Bettelheim; Water gradients across bovine cornea.. Invest. Ophthalmol. Vis. Sci. 1988;29(6):963-968.

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      © ARVO (1962-2015); The Authors (2016-present)

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Abstract

Twenty-six bovine corneas, 30 micron thick, were sectioned perpendicular to the visual axis. Sections, weighing 10-20 mg, were analyzed for total water content by thermogravimetric analysis and for freezable water content by differential scanning calorimetry. The total water content as well as the free (freezable) water content increase, while the bound (nonfreezable) water content decreases in progressing from epithelium to endothelium. These results are correlated with the distribution of proteoglycans and their water sorptive and retentive capacity in bovine cornea.

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