Fourier transform infrared spectroscopy 204 Article 124 Infrared devices 100 chemistry 91 controlled study 90 human 85 infrared spectroscopy 83 Scanning electron microscopy 76 nonhuman 56 Spectroscopy, Fourier Transform Infrared 47 unclassified drug 47 male 45 X ray diffraction 44 female 42 Humans 41 article 40 adult 37 functional near-infrared spectroscopy 37 proton nuclear magnetic resonance 31 procedures 30 Near infrared spectroscopy 27 Thermogravimetric analysis 26 scanning electron microscopy 25 Nanoparticles 24 antiinfective agent 24 Chitosan 23 drug effect 23 drug synthesis 23 human experiment 23 near infrared spectroscopy 23