Abstract: The invention provides a method of identifying and detecting targets in blood samples by binding to multiple ligands. The method comprises providing ligands attached to a support, and contacting the ligands with targets in blood to allow at least one target to bind to at least one ligand. The method further comprises removal of non-bound targets and cellular components such as blood cells, platelets, abundant plasma proteins followed by dissociation and elution of the target(s). The eluted targets are detected by a variety of means in concentrations which are a function of their presence in one sample as compared with their concentration in a second sample and are simultaneously enriched for trace components.

Abstract: The present invention relates to solid-phase combinatorial peptide libraries synthesized on chromatography beads and their use to prepare samples for proteomic investigations.

Abstract: The invention provides a method of binding multiple targets in samples by binding to multiple ligands. The method comprises providing ligands attached to a support, and contacting the ligands with targets to produce at least two target-ligand-support complexes. The method further comprises removal of non-bound targets followed by elution of the bound targets. The eluted targets are present in concentrations of a particular analyte that is a function of their comparative concentrations in different samples. Furthermore, the mixture is enriched for trace components.

Abstract: A method of identifying a ligand specific for a structural isoform of a protein by the binding of the structural isoform to a ligand on a support, a direct positional transfer of the structural isoform and a control isoform between two or more different solid or semi-solid supports and detection of at least one of the isoforms on each support, thus allowing for subtractive identification techniques to be used to identify the subset of ligands, or a ligand, specific for the structural isoform.