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. 2017 Jul 26;12:5331–5343. doi: 10.2147/IJN.S137245

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© 2017 Luo et al. This work is published and licensed by Dove Medical Press Limited

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In vitro MRI of SGC-7901 cells.

Notes: (A) T₂-weighted and color T₂-mapping images and (B) T₂ relaxation time of SGC-7901 cells treated with PEG-SS-PEI-SPION/siScr and FA-PEG-SS-PEI-SPION/siScr at Fe concentrations of 0, 5, 10, 20, 40, and 80 μg/mL. *P<0.05, **P<0.01 versus PP/siScr (n=3).

Abbreviations: MRI, magnetic resonance imaging; FA, folic acid; PEG, polyethylene glycol; SS, disulfide; PEI, polyethylenimine; SPION, superparamagnetic iron oxide nanoparticle; siScr, scrambled siRNA; PP, PEG-SS-PEI-SPIONs; FP, FA-PEG-SS-PEI-SPIONs.