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50% Inhibitory concentration of cadmium on the 111In-labelling of DTPA-exendin-3
| Buffer | 50% inhibitory concentration of Cd2+ (nM)a |
|---|---|
| NaAc | 0.011 (0.007 to 0.019) |
| NH4Ac | 0.013 (0.010 to 0.019) |
| MES | 2.5 (1.5 to 4.1) |
| HEPES | 2.7 (2.2 to 3.3) |
aCadmium concentrations that lead to a 50% reduction in the labelling efficiency of DTPA-exendin-3 in 0.1 M NaAc, NH4Ac, MES and HEPES. The 95% confidence interval is indicated in parentheses.
