Chromophore probe for detection of nucleic acid

Drug – bio-affecting and body treating compositions – In vivo diagnosis or in vivo testing – Diagnostic or test agent produces in vivo fluorescence

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424 173, 424 96, 435 6, 436 98, 436177, 436800, 436905, 540145, 540465, 540472, C07D48722

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055957269

ABSTRACT:
The present invention is directed to chromophoric probes for use in detecting nucleic acid sequences. More particularly, the invention is directed to probes that comprise a texaphyrin chromophore molecule covalently coupled or conjugated to a site-directing molecule, the site-directing molecule having affinity for a biological receptor or a nucleic acid sequence. In one embodiment of the invention, the probe comprises a texaphyrin chromophore conjugated to an oligonucleotide having complementary binding affinity for a target nucleic acid sequence.

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