Fig. 2. Representative UPLC-MS/MS chromatograms for lapachol and IS. (A1) Blank rat plasma; (A2) blank plasma spiked with lapachol (1 μg ml−1) and IS; (A3) rat plasma sample 12 h after administration of LPC-LP; (B1) blank mouse brain; (B2) blank mouse brain homogenate spiked with lapachol (200 ng ml−1) and IS; (B3) mouse brain homogenate 0.17 h after administration of LPC-LP.
