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From The Cover: Triggered amplification by hybridization chain reaction

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      Most cited references 37

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      In vitro selection of RNA molecules that bind specific ligands.

      Subpopulations of RNA molecules that bind specifically to a variety of organic dyes have been isolated from a population of random sequence RNA molecules. Roughly one in 10(10) random sequence RNA molecules folds in such a way as to create a specific binding site for small ligands.
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        Molecular beacons: probes that fluoresce upon hybridization.

        We have developed novel nucleic acid probes that recognize and report the presence of specific nucleic acids in homogeneous solutions. These probes undergo a spontaneous fluorogenic conformational change when they hybridize to their targets. Only perfectly complementary targets elicit this response, as hybridization does not occur when the target contains a mismatched nucleotide or a deletion. The probes are particularly suited for monitoring the synthesis of specific nucleic acids in real time. When used in nucleic acid amplification assays, gene detection is homogeneous and sensitive, and can be carried out in a sealed tube. When introduced into living cells, these probes should enable the origin, movement, and fate of specific mRNAs to be traced.
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          DNA in a material world.

          The specific bonding of DNA base pairs provides the chemical foundation for genetics. This powerful molecular recognition system can be used in nanotechnology to direct the assembly of highly structured materials with specific nanoscale features, as well as in DNA computation to process complex information. The exploitation of DNA for material purposes presents a new chapter in the history of the molecule.
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            Author and article information

            Journal
            Proceedings of the National Academy of Sciences
            Proceedings of the National Academy of Sciences
            Proceedings of the National Academy of Sciences
            0027-8424
            1091-6490
            October 26 2004
            October 26 2004
            October 18 2004
            October 26 2004
            : 101
            : 43
            : 15275-15278
            10.1073/pnas.0407024101
            © 2004
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