Ultra-sensitive and specific detection of pathogenic nucleic acids using composite-excited hyperfine plasma spectroscopy combs sensitized by Au nanoarrays functionalized with 2D Ta₂C-MXene.

The amplitude response of the kinetic specificity curve shows a clear trend of increase with the introduction of saturable multiple probes, and the dispersion of the sensor signal within resolution is effectively improved ( Fig. 4 F).

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