Table 4.

Comparison of several detection methods for Staphylococcus aureus (SA = S. aureus aptamer, LoD = limit of detection).

Detection Principle	Recognition Element	Assay Time	LoD/CFU·mL−1	Reference
polymerase chain reaction	ssDNA	2 h	10	[47]
EIS immunosensor	anti-S. aureus-antibody	Not stated	10	[14]
resonance light scattering	SA 17 & SA 61 [26]	1.5 h	1	[26]
EIS	SA 43 [48]	1 h	10	[31]
fluorescent nanoparticles	SA 31 [48]	2 h	93	[24]
EIS	PA2#8[S1–58] [35]	10 min	10	this work