THE EFFECT OF RADIOACTIVE RADIATIONS AND X-RAYS ON ENZYMES II. THE EFFECT OF RADIATIONS FROM RADIUM EMANATION ON PEPSIN IN SOLUTION.

Hussey , Raymond G.; Thompson , William R.

doi:10.1085/jgp.6.1.1

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Article| September 20 1923

THE EFFECT OF RADIOACTIVE RADIATIONS AND X-RAYS ON ENZYMES : II. THE EFFECT OF RADIATIONS FROM RADIUM EMANATION ON PEPSIN IN SOLUTION.

Raymond G. Hussey,

Raymond G. Hussey

From the Laboratory of Biophysical Research of The Memorial Hospital and the Department of Pathology, Cornell University Medical College, New York.

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William R. Thompson

From the Laboratory of Biophysical Research of The Memorial Hospital and the Department of Pathology, Cornell University Medical College, New York.

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Author and Article Information

Raymond G. Hussey

From the Laboratory of Biophysical Research of The Memorial Hospital and the Department of Pathology, Cornell University Medical College, New York.

William R. Thompson

From the Laboratory of Biophysical Research of The Memorial Hospital and the Department of Pathology, Cornell University Medical College, New York.

Received: June 12 1923

Online ISSN: 1540-7748

Print ISSN: 0022-1295

Copyright, 1923, by The Rockefeller Institute for Medical Research

1923

J Gen Physiol (1923) 6 (1): 1–5.

https://doi.org/10.1085/jgp.6.1.1

Pepsin in solution is inactivated by the radiations (beta and gamma) from radium emanation. This chemical effect has been studied quantitatively.

The principles involved in this radiochemical reaction are apparently the same as those found in the case of trypsin previously reported; namely, the change in the logarithm of the concentration of active enzyme varies directly with the variable, W.

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Copyright, 1923, by The Rockefeller Institute for Medical Research

1923

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THE EFFECT OF RADIOACTIVE RADIATIONS AND X-RAYS ON ENZYMES : II. THE EFFECT OF RADIATIONS FROM RADIUM EMANATION ON PEPSIN IN SOLUTION.

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