“…In recent years, many new analytical methods in biosensing area have been developed to increase detection sensitivity (Qu et al, 2014;Ren et al, 2014aRen et al, , 2014bRen et al, , 2015Yu et al, 2014;Zhou et al, 2014;Zong et al, 2014;Zhang et al, 2015). However, the pathogens usually exist within complex biological matrixes at a very low concentration, it is urgent and essential to develop a method that can purify and enrich the target bacteria.…”