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. Author manuscript; available in PMC: 2019 Oct 1.
Published in final edited form as: Anal Bioanal Chem. 2018 Jul 31;410(26):6881–6889. doi: 10.1007/s00216-018-1288-z

Fig. 4.

Fig. 4

Assessment of reproducibility of MALDI-MS2 method- Reproducibility of the present method was determined by evaluating the response curve of Des in HPLC water in triplicate by different lab personnel. Various concentrations of Des were mixed with 25 ng/μL of LabeledDes. The run-to-run %RSD values for entire concentration range were < 5