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João M. M. Leitão, Helena Gonçalves and Joaquim C. G. Esteves da Silva Parallel factor analysis of EEM of the fluorescence of carbon dots nanoparticles Journal of Chemometrics 24

Version of Record online: 21 JUL 2010 | DOI: 10.1002/cem.1327

The effect of experimental factors [pH and Hg(II)] on the fluorescence excitation emission matrices (EEMs) of nanosensor carbon dots (CDs) was analyzed by parallel factor (PARAFAC) analysis. Parallel profiles with Linear Dependences (PARALIND) model with three components in the excitation–emission spectral modes and two components in the Hg(II) or pH mode gave similar results as PARAFAC, but PARALIND showed that the two different-sized CDs have similar chemical reactivity toward Hg(II) and pH.

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