A New Protocol to Detect Multiple Foodborne Pathogens with PCR Dipstick DNA Chromatography after a Six-Hour Enrichment Culture in a Broad-Range Food Pathogen Enrichment Broth

Table 4

Detection sensitivity of CPDC assay and immunochromatography.

Bacterial concentration (CFU/mL)	EHEC O157 GTC14510		Bacterial concentration (CFU/mL)	Salmonella enterica serovar; Enteritidis GTC03838
	Immunochromat.	CPDC assay		Immunochromat.	CPDC assay
3.3×10^9	+	+	2.5×10^9	+	+
3.3×10^8	+	+	2.5×10^8	+	+
3.3×10^7	+	+	2.5×10^7	+	+
3.3×10^6	+	+	2.5×10^6	+	+
3.3×10^5	+	+	2.5×10^5	+	+
3.3×10^4	−	+	2.5×10^4	−	+
3.3×10^3	−	+	2.5×10^3	−	+
3.3×10^2	−	−	2.5×10^2	−	−
3.3×10	−	−	2.5×10	−	−
3.3	−	−	2.5	−	−