infrared spectroscopy 172 Fourier transform infrared spectroscopy 152 article 138 Infrared spectroscopy 80 chemistry 73 Spectroscopy, Fourier Transform Infrared 72 priority journal 59 chemical structure 44 Nuclear magnetic resonance spectroscopy 41 water 40 unclassified drug 39 pH 38 Synthesis (chemical) 34 synthesis 34 Thermogravimetric analysis 32 X ray diffraction 32 nonhuman 32 Scanning electron microscopy 28 Adsorption 26 Magnetic Resonance Spectroscopy 26 complex formation 26 controlled study 26 proton nuclear magnetic resonance 25 Mass spectrometry 24 nuclear magnetic resonance spectroscopy 23 Article 22 Spectroscopic analysis 22 structure analysis 22 Differential scanning calorimetry 20 FTIR 20