Studies with Tritium (H3)-labeled Pyridoxine PDF Download
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Author: David A.. Vaughan
Publisher:
ISBN:
Category : Tritium
Languages : en
Pages : 9
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Book Description
The 24-hour excretion of tritium radioactivity following both large and small injected doses of tritium-labeled pyridoxine hydrochloride was investigated in rats receiving various dietary treatments. Pyridoxine deficient animals retained more of the small (12 microgram) doses than did animals receiving an adequate diet. When the pyridoxine antagonist, desoxypridoxine, was fed to the pyridoxine deficient animals, retention of the tritium-pyridoxine was reduced. indicating that the antagonoist had tied up some of the tissue sites ordinarily available for pyridoxine or its derivatives. Cold exposure did not alter these relationships. Larger doses (500 microgram) of pyridoxine were used less efficiently, but the absolute amounts retained suggested that the vitamin can be stored in quite large amounts.
Author: David A.. Vaughan
Publisher:
ISBN:
Category : Tritium
Languages : en
Pages : 9
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Book Description
The 24-hour excretion of tritium radioactivity following both large and small injected doses of tritium-labeled pyridoxine hydrochloride was investigated in rats receiving various dietary treatments. Pyridoxine deficient animals retained more of the small (12 microgram) doses than did animals receiving an adequate diet. When the pyridoxine antagonist, desoxypridoxine, was fed to the pyridoxine deficient animals, retention of the tritium-pyridoxine was reduced. indicating that the antagonoist had tied up some of the tissue sites ordinarily available for pyridoxine or its derivatives. Cold exposure did not alter these relationships. Larger doses (500 microgram) of pyridoxine were used less efficiently, but the absolute amounts retained suggested that the vitamin can be stored in quite large amounts.
Author:
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Category : Science
Languages : en
Pages : 684
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Author:
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Category : Aeronautics
Languages : en
Pages : 388
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Author: Arctic Aeromedical Laboratory (U.S.)
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Category :
Languages : en
Pages : 62
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1284
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Author: United States. Superintendent of Documents
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Category : Government publications
Languages : en
Pages : 1174
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Book Description
February issue includes Appendix entitled Directory of United States Government periodicals and subscription publications; September issue includes List of depository libraries; June and December issues include semiannual index
Author: United States. Superintendent of Documents
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ISBN:
Category : United States
Languages : en
Pages : 1284
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Author:
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Category : Nutrition
Languages : en
Pages : 928
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Author:
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Category : Aviation medicine
Languages : en
Pages : 884
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Book Description
A selection of annotated references to unclassified reports and journal articles that were introduced into NASA scientific and technical information system and announced in Scientific and Technical Aerospace Reports (STAR), International Aerospace Abstracts (IAA).
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Category :
Languages : en
Pages : 418
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