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Daim Asif Raja,Syed Ghulam Musharraf,Muhammad Raza Shah,Abdul Jabbar,Muhammad Iqbal Bhanger,Muhammad Imran Malik 한국공업화학회 2020 Journal of Industrial and Engineering Chemistry Vol.87 No.-
Polymer capped metal nanoparticles have been used for numerous biomedical and analyticalapplications. In present study, highly stable gold nanoparticles (AuNPs) capped with polypropyleneglycol (PPG) were synthesized using chemical reduction method. The characterization of PPG-AuNPs wasaccomplished by atomic force microscopy (AFM), zetasizer, fourier transform infrared spectroscopy (FT-IR) and UV–vis spectroscopy. Furthermore, PPG-AuNPs were utilized as colorimetric probe for thirdgeneration cephalosporin antibiotic, ceftriaxone (CEF). PPG-AuNPs permitted efficient, selective,quantitative and rapid recognition in concentration range of 0.1–100 mM in presence of numerousother drugs and salts. PPG-AuNPs have great potential for quantitative recognition of ceftriaxone inbiological and environmental samples. Moreover, the developed sensor has capacity to be applied asquality control of pharmaceutical formulations containing ceftriaxone. The PPG-AuNPs based sensorpermits quantitative and fast recognition of ceftriaxone away from a sophisticated laboratory setup.