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

BMC Chemistry

Table 1 Immunosensors used for Salmonella spp. determination

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]
Ab-Ab/HRP (SW)	ChA	Covalent	20	[8]
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

*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.

ISSN: 2661-801X