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. 2023 May 22;8(6):2271–2281. doi: 10.1021/acssensors.3c00245

Table 1. Examples of Single-Molecule Sensing Methods to Which the Developed Signal Processing Architecture Could be Applied for Achieving Real-Time Continuous Biosensing.

single-molecule sensor single-molecule probe physical signal analysis of signal time traces
fluorescence sensor15 fluorescently labeled detection molecule light intensity (fluorescence) hidden Markov modeling to extract the number of binding events and dwell times
plasmonic sensor44 gold nanoparticle light intensity (scattering) step finding to extract waiting times between binding events
nanopore sensor45 nanopore electrical conductivity extract event frequency and analyze dwell times to identify current signatures
BPM sensor (demonstrated in this paper) tethered particle position change point detection to extract rate of state transitions