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. Author manuscript; available in PMC: 2019 Nov 29.
Published in final edited form as: Nanoscale. 2018 Nov 29;10(46):21634–21639. doi: 10.1039/c8nr05141k

Fig.1.

Fig.1

A) Chemical structure of LA-IR; B) Fluorescence spectra of SPIO@IR in DMSO and in water at same concentration; C) DLS result of SPIO@IR in aqueous solution; D) TEM image of SPIO@IR (optical photos of SPIO@IR under daylight and UV light, and that in cell culture medium and in 10% FBS after 24h incubation were shown at right upper corner).