| 摘要 |
The invention relates to the use of mass labeled probes to characterise nucleic acids by mass spectrometry. Thus the invention provides methods of detecting the presence of a target nucleic acid in a sample, using a circularising probe in which a mass tag is present in the probe. Further methods of detecting the presence of a target nucleic acid are provided, which in contrast use a probe detection sequence in the circularising probe, wherein the probe detection sequence is detected with a probe attached to a mass tag. Methods for determining a genetic profile from the genome of an organism also form part of the invention.
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