University of Illinois, Illumina, Northwestern University | GenomeWeb

The Board of Trustess of the University of Illinois of Urbana, Ill., has received US Patent No. 6,890,719, "Fluorescence-based biosensor." The patent describes a biosensor that is capable of detecting the presence of an ion in the presence of other ions. The biosensor comprises a nucleic acid enzyme that includes at least one quencher, and a substrate that includes a ribonucleotide, at least one quencher, and at least one fluorophore.

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