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. Author manuscript; available in PMC: 2020 Nov 28.
Published in final edited form as: Nanoscale. 2019 Nov 28;11(46):22316–22327. doi: 10.1039/c9nr06371d

Figure 1.

Figure 1.

Characterization of ultrabright Stilbene 420 encapsulated mesoporous silica nanoparticles. (A) Excitation and emission matrix of stilbene 420 dye and (B)UFMS nanoparticles with encapsulated stilbene 420 (SiSB). (C) AFM of SiSB nanoparticles with inset showing zoomed image of nanoparticles (insert scale-bar is 100nm). (D) Fluorescent photostability of ultrabright silica particles (filled circles) relative to a water solution of Stilbene 420 dye (empty circles); the solid and dashed curve corresponds to the exponential fits of bleaching.