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  Vol. 52 No. 1, July 1954 TABLE OF CONTENTS
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ENZYMATIC CHARACTER OF RESPIRATION OF THE LENS

J. NORDMANN, M.D., Ph.D.; P. MANDEL, M.D., Ph.D.; D. IZRAELEWICZ, Ph.D.

AMA Arch Ophthalmol. 1954;52(1):42-45.

Since this article does not have an abstract, we have provided the first 150 words of the full text PDF and any section headings.

THE PROBLEM of the respiration of the lens has been subjected to great study by Christiansen and Leinfelder. On the basis of several series of experiments, they have arrived at the conclusion that the respiration of the lens is a nonenzymatic process.

The maintenance of a normal oxygen consumption in spite of boiling the lens furnishes their principal argument. We decided it would be of interest to reexamine this important problem; therefore, we ask the following questions:

  1. Does the boiled lens continue to consume oxygen?
  2. Is this oxygen consumption of the same nature as that of the fresh lens?
  3. What is the nature of oxygen consumption in the boiled lens?

To answer the first question, we homogenized 10 calf lenses in 10 cc. of water in a Waring Blendor. The mixture was poured into centrifuge tubes and heated in a salt-water bath while being shaken continuously. The heating was carried . . . [Full Text PDF of this Article]


Author Affiliations

STRASBOURG, FRANCE


Footnotes

Translated from the French by Dr. J. S. Friedenwald, Baltimore.



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