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. Author manuscript; available in PMC: 2017 May 26.
Published in final edited form as: Anal Chem. 2016 May 3;88(10):5453–5461. doi: 10.1021/acs.analchem.6b00881

Table 2.

List of Catecholamines Detected from the Measurement of the Secreted Molecules from PC12 Cells Using LDIDD-MS

compound theoretical m/z ([M + H]+) observed m/z ([M + H]+) mass error (ppm) confirmation of identity
phenethylamine 122.09697 122.09676 1.7 MRM LC-MSb
tyramine 138.09188 138.09177 0.8 MRM LC-MSb
dopamine 154.08680 154.08685 0.3 no
b

The identity of the detected compound was confirmed with multiple reaction monitoring (MRM) LC–MS (see the Supporting Information for further detail and MRM LC-MS data).