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Table 1 Immunosensors used for Salmonella spp. determination

From: Label-free as-grown double wall carbon nanotubes bundles for Salmonella typhimuriumimmunoassay

Platform Technique Detection range (CFU/mL) LOD Ref.
Ab-Ab/Au/Cu (SW) ASV 1.30 × 102 - 2.6 × 103 98.9 [19]
MgB/Ab-Ab/AP (SW) Colorimetry - 8 × 103 [20]
MgB/Ab-Ab/AP (SW) Colorimetry 2.2 × 104-2.2 × 106 2.2 × 104 [21]
Ab (LB) AWD 1.8 × 106 to 109 - [22]
MET-Ab (LB) RS - 5 × 103 [23]
Ab-Ab/HRP (SW) ChA Physical 5 × 103 [8]
Covalent 20
Ab-PEI QCM 105-5 × 108 6 × 104 [24]
Ab/SWNT/HRP Colorimetry - 103 [7]
PZT/Au QCM Label-free 5 × 103 [25]
GED-SAM-AuNP EIS 1 × 102-1 × 105 1 × 102 [26]
Ab-peroxidase OGC - 1.3 × 103 [27]
Ab-As-grown DWNT (Label-free) ChA Label-free 10 2 -10 7 8.9 This work
  1. *Abbreviations: Ab antibody, Au gold, Cu copper, SW sandwich, MgB Magnetic beads, LB Langmuir-Blodgett, MET, Magneto elastic sensor, HRP horse radish peroxidase, PEI polyethyleneimine, PZT-Au lead titanate zirconate/gold-coated glass cantilevers, GED-SAM-AuNP grafted ethylene diamine & self-assembly gold nanoparticles, AP alkakine phosphatase, ASV anodic stripping voltammetry, AWD Acoustic wave device measurement, RS Resonance frequency, ChA Chronoamperometry, QCM Quartz crystal microbalance, EIS Electrochemical impedance spectroscopy, OGC, Optical grating coupler.