| 摘要 |
A method (800) of detecting a target within a population of molecules comprising: contacting a plurality of labeled probe molecules with the population of molecules potentially containing a target of the probe molecules (810); acquiring a probe specific signal emitted by said labeled probe molecules that bound to said target together with a background signal (820); modulating said probe specific signal by at least one of modulating said acquisition and modulating an emission of said probe specific signal (830); and detecting said probe specific signal over said background signal using said preferential modulation (840). The target comprises one or more molecule type selected from the group consisting of a nucleic acid sequence, an amino acid sequence, a carbohydrate sequence, an ion and a feature of a protein determined by non-primary structure. The probe specific signal may be a fluorescent signal.
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