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. Author manuscript; available in PMC: 2018 Aug 22.
Published in final edited form as: ACS Nano. 2018 Jul 2;12(7):6458–6468. doi: 10.1021/acsnano.8b02881

Fig. 3.

Fig. 3.

Fluorescence intensity of tumor and liver in situ and their ratio after tail vein injection of (left) DiR/np-pTA-pFol or (right) DiR/np-pTA-PEG. The fluorescence intensity of region of interest (ROI) was quantified by the AMI viewer image software and expressed as radiance (p/sec/cm2/sr). Error bars: s.d. of 3 readings of the same subject. The experiment was repeated with three independently prepared batches of NPs at selected levels of NP dose and dye loading and presented in S10, S13, and S16.