| 摘要 |
Exemplary disclosed embodiments may comprise, for example, providing a sample potentially comprising a native molecule and/or a truncated molecule. The native molecule comprises at least first and second regions recognized by first and second specific binding moieties, and the truncated molecule includes only one of the first and second regions. A composition comprising first and second specific binding moieties is applied to the sample in a manner effective to form first and second specific binding pairs with the first and second regions. For example, if the molecule is a protein, such as HER2, the protein may have a first epitope and a second epitope. Once a specific binding pair is formed, the pair must be visualized. Certain disclosed embodiments comprise a direct detection method whereby primary antibodies are coupled to signal generating moieties. Alternatively, signal amplification techniques can be used to visualize a specific binding pair.
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