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Abstract

The present invention relates to optionally automated methods that may be used to qualitatively and/or quantitatively detect at least one, or for example, two or more different targets in a sample, and kits associated with such methods. The two or more different targets may be detected and distinguished by adding at least one cross-linking agent to the sample in between different steps of a detection procedure. The addition of a cross-linking agent may allow for drastic changes in buffer conditions (i.e. solvent, pH, salt concentration, etc.) or temperature in order to refine a detection procedure with minimal loss of signal. The instant invention is compatible with a variety of detection systems, including immunohistochemistry (IHC), immunocytochemistry (ICC), in situ hybridization (ISH), flow cytometry, enzyme immuno-assays (EIA), enzyme linked immuno-assays (ELISA), blotting methods (e.g. Western, Southern, and Northern), labeling inside electrophoresis systems or on surfaces or arrays, and precipitation, among other general detection assay formats. The invention is also compatible with many different types of samples, targets, probes, and detectable labels.

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First Claim