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. 2019 Oct 4;9:14314. doi: 10.1038/s41598-019-50043-0

Figure 4.

Figure 4

Imaging of RA in mice by NIR detection. (a) The near infrared images of the dorsal side of arthritic mice at 2, 6  and 24 hours after an intravenous injection of NP or Folate-NP. (b) The quantification of fluorescence signal after normalization within the inflamed foot shown in panel A (green circles). *P < 0.05. Number 6 has two inflamed  paws: front paw No. 6a and hind paw No. 6b (Ventral side is presented in supplemental figure 5).