The XXXVIII Long Fox Memorial Lecture: The Use of Tracer Elements in Biology and Medicine
نویسنده
چکیده
The term " tracer element " is used to describe elementswhich are chemically identical with, but physically different from the ordinary forms of elements occurring in nature. Their chemical identity implies that such elements take part in all the reactions of the living organism in exactly the same manner as does the normal counterpart; but their physical differences are a label by which we can follow their path through any system into which they may be introduced. Deuterium (" heavy "
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