Everything about Nitrogen-15 totally explained
Nitrogen-15 is a stable, non-radioactive
isotope of
nitrogen. It is often used in
agricultural and
medical research. Nitrogen-15 is frequently used in
nuclear magnetic resonance spectroscopy (NMR), because unlike the more abundant nitrogen-14, it has a
nuclear spin of ½, which simplifies observation by NMR.
Proteins can be isotopical labelled by cultivating them in a medium containing only nitrogen-15. In addition, nitrogen-15 is used to label proteins in quantitative
proteomics (for example
SILAC).
It is a product of
oxygen-15 beta decay in
stars.
8O
15 →
7N
15 + e
+ + ν
Further Information
Get more info on 'Nitrogen-15'.
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