Fig. 4From: Synthesis of 4-(dimethylamino)pyridine propylthioacetate coated gold nanoparticles and their antibacterial and photophysical activitya Titration of Pefloxacin against DMAP-PTA-AuNPs showing increase in the absorption intensity of band appeared at 700 nm by increment in concentration of Pefloxacin. b Calibration curve at 700 nm, c Job’s plot analysis to establish binding stoichiometry between DMAP-PTA-AuNPs and PefloxacinBack to article page