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. Author manuscript; available in PMC: 2014 Dec 7.
Published in final edited form as: Anal Methods. 2013 Sep 20;5(23):10.1039/C3AY41149D. doi: 10.1039/C3AY41149D

Figure 2.

Figure 2

Ion chronograms recorded with SRM transition m/z 399 to m/z 283 for sunitinib by (a) TSQ and (b) QTRAP4000 using paper spray (blue) and extraction spray (red), 200 ng/mL sunitinib in blood, 1 and 0.2 µL used for preparing dried samples for paper spray and extraction spray, respectively; 10 µL methanol used as extraction/spray solvent. (c) Calibration curve for analysis of amitriptyline in blood samples using extraction spray, MRM transition m/z 277 to 223 for amitriptyline and m/z 283 to 223 for internal standard amitriptyline-d6 (200 ng/mL), 0.2 µL blood used for DBS, 10 µL methanol for extraction and spray