Abstract
We present a water soluble and fluorescent biotinylated probe derived from a carbocyanine dye. A high efficiency of energy transfer was measured when the dyes were placed on the surface of streptavidin conjugated quantum dots. The system is a model platform for potential application as a FRET-based fluorescent sensor.
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The corresponding author Elizabeth A. Jares-Erijman passed away during the revisions of this communication. The surviving authors dedicate it to her memory and in acknowledgment of her passion for life and work, inspired leadership and unfailing support.
Electronic supplementary information (ESI) available: Detailed experimental procedures, characterization data, spectral properties, pKa measurements, titration experiments. See DOI: 10.1039/c2pp25174d
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Menéndez, G.O., Pichel, M.E., Spagnuolo, C.C. et al. NIR fluorescent biotinylated cyanine dye: optical properties and combination with quantum dots as a potential sensing device. Photochem Photobiol Sci 12, 236–240 (2013). https://doi.org/10.1039/c2pp25174d
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DOI: https://doi.org/10.1039/c2pp25174d