Figure 1 : Construction of POH-N imaging probes. (A) Schematic diagram of a POH-N imaging probe. (B) Near-infrared fluorescence dye PBI3920 and IRDye800. Details of the synthetic methodology of PBI3920 can be found in the supporting information. (C) Excitation (blue) and fluorescence (red) spectrum of HL-Ns. Maximum wavelength of absorption (Abs max) and emission (Em max) were indicated.

Kizaka-Kondoh et al.Journal of Pharmaceutical Technology and Drug Research  2013 2:2DOI : 10.7243/2050-120X-2-2