Hybrid phthalocyanine derivatives and their uses

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving nucleic acid

Reexamination Certificate

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C435S005000, C435S007100, C436S096000, C540S121000

Reexamination Certificate

active

06964844

ABSTRACT:
Water soluble hybrid phthalocyanine derivatives useful in competitive and noncompetitive assays immunoassays, nucleic acid and assays are disclosed and claimed having (1) at least one donor subunit with a desired excitation peak; and (2) at least one acceptor subunit with a desired emission peak, wherein said derivative(s) is/are capable of intramolecular energy transfer from said donor subunit to said acceptor subunit. Such derivatives also may contain an electron transfer subunit. Axial ligands may be covalently bound to the metals contained in the water soluble hybrid phthalocyanine derivatives. Ligands, ligand analogues, polypeptides, proteins and nucleic acids can be linked to the axial ligands of the dyes to form dye conjugates useful in immunoassays and nucleic acid assays.

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Ben-Hur, E., et al., “Phthalocyanine-Induced Photohemolysis: Structure-Activity Relationship and The Effect of Fluoride,”Photochemistry and Photobiology58: No. 3, 351-355 (1993).
Kudrevich, et al., “Syntheses of Monosulfonated Phthalocyanines, Benzonaphthoporphyrazines and Porphyrins via the Meerwein Reaction,”Journal of The Chemical Society: Perkin Transactions 12767-2774 (1994).
Margaron, P. et al., “Photodynamic Properties of Naphthosulfobenzoporphyrazine Derivatives,”Journal of Photochemistry and Photobiology14:187-199 (1992).
Margaron, P. et al. “Chromatographic Analysis of Asymmetric Sulphophthalocyanines Using a Diode-array Detector,”Journal of Chromatography634: 57-64 (1993).

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