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. Author manuscript; available in PMC: 2019 Feb 28.
Published in final edited form as: Adv Funct Mater. 2018 Jan 5;28(9):1704598. doi: 10.1002/adfm.201704598

Figure 1.

Figure 1

Scheme and spectral properties of K+-sensitive FI3 dye encapsulated in RL100 nanoparticles. Spectra were measured in 20 mM Tris-HCl, pH 7.4 with concentration of nanoparticles adjusted to A630 =0.1.