Spectral phasor approach for fingerprinting of photo-activatable fluorescent proteins Dronpa, Kaede and KikGR

Francesco Cutrale, Anya Salih, Enrico Gratton

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The phasor global analysis algorithm is common for fluorescence lifetime applications, but has only been recently proposed for spectral analysis. Here the phasor representation and fingerprinting is exploited in its second harmonic to determine the number and spectra of photo-activated states as well as their conversion dynamics. We follow the sequence of photo-activation of proteins over time by rapidly collecting multiple spectral images. The phasor representation of the cumulative images provides easy identification of the spectral signatures of each photo-activatable protein.
    Original languageEnglish
    Article number35001
    Pages (from-to)1-10
    Number of pages10
    JournalMethods and Applications in Fluorescence
    Volume1
    Issue number3
    DOIs
    Publication statusPublished - 2013

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