Fig. 2From: Imipenem/cilastatin encapsulated polymeric nanoparticles for destroying carbapenem-resistant bacterial isolatesFTIR spectrum of imipenem/cilastatin (IMP), polycaprolactone nanoparticles (PCL), imipenem/cilastatin loaded polycaprolactone nanoparticles (IMP/PCL), polylactide-co-glycolide nanoparticles (PLGA), and imipenem/cilastatin loaded polylactide-co-glycolide nanoparticles (IMP/PLGA). a The spectrum from 4000 to 2000 cm−1. b The spectrum from 2000 to 400 cm−1 Back to article page