Fig. 2
From: UPLC-MS/MS quantification of quercetin in plasma and urine following parenteral administration
Chromatograms: (a) blank plasma (Qu, Ir and IS free); (c) blank plasma spiked with 25 ng/ml Qu (LLOQ) and 25 ng/ml Ir (LLOQ); (b) blank urine (Qu, Ir and IS free); (d) blank urine spiked with 100 ng/ml Qu (LLOQ) and 100 ng/ml Ir (LLOQ)