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. Author manuscript; available in PMC: 2020 May 1.
Published in final edited form as: Bioorg Med Chem. 2019 Mar 19;27(9):1855–1862. doi: 10.1016/j.bmc.2019.03.036

Fig.3.

Fig.3

A) Emission fluorescence spectrum of HITC-FITC NPs and their free fluorophores, respectively. FITC emission peak from HITC-FITC NPs (yellow solid line); free FITC emission peak (yellow dot line); HITC emission peak from HITC-FITC NPs (blue solid line); free HITC emission peak (blue dot line). B) Fluorescence intensity for FITC and HITC of HITC-FITC NPs vs. different amount of HITC added during encapsulation. FITC fluorescence intensity was measured at excitation/emission of 470/510nm, and HITC was at 760/796nm. All samples were prepared in DI water.