Modified Carbocyanine Dyes and Their Conjugates
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Abstract
Chemically reactive carbocyanine dyes incorporating an indolium ring moiety that is substituted at the 3-position by a reactive group or by a conjugated substance, and their uses, are described. Conjugation through this position results in spectral properties that are uniformly superior to those of conjugates of spectrally similar dyes wherein attachment is at a different position. The invention includes derivative compounds having one or more benzo nitrogens.
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Citations
17 Claims
- 1. A compound having the formula:
- 6. A compound having the formula:
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9. A method of staining a biological sample, comprising:
combining a dye solution comprising a compound having the formula; - View Dependent Claims (10, 11, 12, 13, 14)
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15. A method for forming a dye-conjugate of a protein, peptide or a nucleic acid polymer, said method comprising:
combining a dye solution comprising a compound of the formula - View Dependent Claims (16)
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17. A kit for fluorescent labeling of a biological sample, comprising:
a dye solution comprising a compound having the formula;
Specification