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. Author manuscript; available in PMC: 2020 Mar 16.
Published in final edited form as: Nat Protoc. 2018 Oct;13(10):2121–2148. doi: 10.1038/s41596-018-0016-7

Fig. 2 |. Pure metal isotopes tagged in monoclonal antibodies.

Fig. 2 |

Forty-eight stable metal isotopes of Y, Pd, In, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, and Bi have been used in protein-detection mass tags. The typical values of isotopic enrichment and spillover impurity are based on the product sheets from Trace Science International and early ICP-MS analytical measurements performed by DVS Sciences and our lab.