Figure 2
UV-vis spectra of dextran@AuNPs before (curve 1) and after (curve 2) mixing with Con A in PBS, pH 7.4, or mixed with Final-solution without bacteria (curve 3) or with 105 CFU/mL E. coli O157:H7 (curve 4), or mixed with 105 CFU/mL E. coli O157:H7 but without ConA (curve 5).
