Accelerator Mass Spectrometry for Quantitative in Vivo Tracing
Author(s) -
John S. Vogel
Publication year - 2005
Publication title -
biotechniques
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.617
H-Index - 131
eISSN - 1940-9818
pISSN - 0736-6205
DOI - 10.2144/05386su04
Subject(s) - accelerator mass spectrometry , isotope , mass spectrometry , in vivo , chemistry , radiochemistry , tracing , stable isotope ratio , isotopes of carbon , chromatography , biology , nuclear physics , computer science , operating system , physics , microbiology and biotechnology
Accelerator mass spectrometry (AMS) counts individual rare, usually radio-, isotopes such as radiocarbon at high efficiency and specificity in milligram-sized samples. AMS traces very low chemical doses (micrograms) and radiative doses (100 Bq) of isotope-labeled compounds in animal models and directly in humans for pharmaceutical, nutritional, or toxicological research. Absorption, metabolism, distribution, binding, and elimination are all quantifiable with high precision after appropriate sample definition.
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