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Fig. 4 | BMC Pharmacology and Toxicology

Fig. 4

From: Using superparamagnetic iron oxide nanoparticles to enhance bioavailability of quercetin in the intact rat brain

Fig. 4

HPLC analyses for the identification of quercetin in rat plasma after oral administration of quercetin and quercetin conjugated Fe3O4 nanoparticles in Wistar rats. a Quercetin standards. Different serial dilutions are shown: 0.6 μg/ml (black), 0.2 μg/ml (blue), 0.1 μg/ml (red), and 0.05 μg/ml (green). The inset shows the calibration curve (Peak area vs. Concentration). b free QT, and c QT-SPIONs, and d comparison of the concentration of free QT with QT-SPIONs. All values reported are mean ± SEM (n = 6). [* for p < 0.05, ** for p < 0.01 and *** for p < 0.001]. QT, quercetin; h, hours

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