Near-infrared dichromic fluorescent carbocyanine molecules.

Central to major advances in biochemical assays, molecularsensor technologies, and molecular optical imaging arefluorescent materials that provide high detection sensitivityformolecularprocesses.Inbiologicalopticalimaging,thelowtissueautofluorescenceandthedeeppenetrationoflightintothetissuesobservedatwavelengthsbetween650 and900nmallow the use of near-infrared (NIR) fluorescent dyes ascontrast agents in heterogeneous systems.

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