Nanoporous Silica Nanoparticles Functionalized With A Fluorescent Turn-on Spirorhodamineamide As PH Indicators

M. Di Paolo, M. J. Roberti, A. V. Bordoni, P. F. Aramendía, A. Wolosiuk, M. L. Bossi

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pH sensing by silica nanoparticles carrying a fluorescent turn-on spirorhodamineamide. Left/Right: Confocal imaging pH 7.4/2.0. Inset: SEM.