Colorimetric Detection System for Salmonella typhimurium Based on Peroxidase-Like Activity of Magnetic Nanoparticles with DNA Aptamers

Table 1

Comparison of different methods for detection of Salmonella.

Nanomaterial	Method	Linear range	LOD	Reference
MNP antibody	Selective filtration	2 × 10^1–2 × 10^4 cells	2 × 10^1 cells	[10]
MNP antibody	Fluorescence spectrometry	10^1–10^7 CFU/mL	10 CFU/mL	[11]
MNP antibody; TiO2 antibody	Absorption spectroscopy	10^2–10^8 CFU/mL	100 CFU/mL	[8]
MNP antibody	PCR	10^1–10^7 CFU/mL	10^3 CFU/mL	[5]