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In vivo T1-weighted MRI images of (A) Gd-DTPA, (B) Gd/SWCNTs-COOH, and (C) Gd/SWCNTs-HA-ss-DOX.
Notes: Arrows show the location of the tumor. Ai, Bi, Ci refer to the magnification of A, B, C at 1 hour and 6 hours.
Abbreviations: DOX, doxorubicin; Gd, gadolinium; HA, hyaluronic acid; MRI, magnetic resonance imaging; SWCNTs, single-walled carbon nanotubes.
