| 摘要 |
A universal signal molecule is generated in response to the presence within a biological fluid sample of a target agent. Two probes that bind to the target agent are provided within the sample and the target agent is captured, purified, and concentrated on a bead. One of the probes is attached to a signal nucleic acid that does not bind to the target agent. The signal nucleic acid is caused to be released from the probe, thereby generating a universal signal molecule. The presence of the universal signal molecule in the sample is detected, thereby providing for detection of the target agent within the sample.
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