Abstract: Nucleic acids and sequences therefor are disclosed that are characterized by a reduction or lack of internal secondary structure, are capable of hybridizing with a complementary nucleic acid and do not hybridise with non-complementary nucleic acids (eg. do not cross-hybridise or form dimers) under low stringency hybridisation conditions. In particular, the nucleotide sequences enable use of these nucleic acids, without reduction in target hybridisation efficiency with increasing nucleic acid length. The nucleic acids may be used with analyte capture systems, for example medical, veterinary and agricultural diagnostic applications. In particular, the nucleic acid may be used as irrelevant binding pairs in an analyte capture system, such as an array or lateral flow assay.

Abstract: This invention discloses methods for determining the presence of a target nucleic acid sequence using oligonucleotides that cooperate in a nucleic acid processing reaction to produce a detectable signal. In some embodiments, the methods also facilitate quantification of a target nucleic acid sequence. The present invention further discloses kits that can be used to conduct the methods of the present invention.

Abstract: A method of assaying for an analyte including the steps of: (i) passing a sample suspected of containing an analyte and reagents comprising a target ligand-analyte receptor conjugate and a detectable tracer containing a label for the analyte through filter apparatus containing a plurality of discrete flow zones wherein at least one zone functions as a capture zone having bonded thereto a receptor ligand for said target ligand; (ii) allowing the sample and accompanying reagents to incubate prior to passage through said at least one zone to facilitate formation of complex(es) of said conjugate and said at least one analyte in a liquid or fluid phase; and (iii) detecting the presence of analyte in the sample by activation of the label in said at least one zone after binding of the complex(es) conjugate to the associated receptor ligand(s).

Abstract: Nucleic acids and sequences therefor are disclosed that are characterized by a reduction or lack of internal secondary structure, are capable of hybridizing with a complementary nucleic acid and do not hybridize with non-complementary nucleic acids (eg. do not cross-hybridize or form dimers) under low stringency hybridization conditions. In particular, the nucleotide sequences enable use of these nucleic acids, without reduction in target hybridization efficiency with increasing nucleic acid length. The nucleic acids may be used with analyte capture systems, for example medical, veterinary and agricultural diagnostic applications. In particular, the nucleic acid may be used as irrelevant binding pairs in an analyte capture system, such as an array or lateral flow assay.