Research Article

Dried Blood Spot Sampling with LC-MS Analysis for Routine Therapeutic Caffeine Monitoring in Neonates

Figure 2

A representative LC-MS chromatogram of a spiked DBS at 500 ng/mL extracted with IS where (a) is the TIC, (b) is the EIC for m/z 195, and (c) is the EIC for m/z 198.
828719.fig.002a
(a)   TIC
828719.fig.002b
(b) EIC m/z 195
828719.fig.002c
(c) EIC m/z 198