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Life Sciences

University of Colorado, Boulder

Chemistry & Biochemistry Graduate Theses & Dissertations (1986-2018)

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Development And Characterization Of Improved Red Fluorescent Protein Variants, Premashis Manna Jan 2018

Development And Characterization Of Improved Red Fluorescent Protein Variants, Premashis Manna

Chemistry & Biochemistry Graduate Theses & Dissertations (1986-2018)

Aequorea victoria-based green fluorescent proteins and their blue, cyan and red counterparts offer unprecedented advantage as biological markers owing to their genetic encodability and straightforward expression in different organisms. Fluorescent proteins are characterized with complex photo-kinetics due to the presence of light-induced non-fluorescent or dark states which are responsible for their fluorescence intermittency or 'blinking'. We developed time- and frequency-domain techniques for probing the kinetics involving dark state conversion (DSC) and ground state recovery (GSR) in red fluorescent proteins (RFPs). Ensemble-level DSC and GSR kinetics in FPs were presented in the context of their single molecule fluorescence behaviors. Although ...