Article 12 controlled study 10 Humans 7 Scanning electron microscopy 7 chemistry 7 human 7 Thermoelectric equipment 6 in vitro study 6 scanning electron microscopy 6 transmission electron microscopy 6 Electronic equipment 5 Optimization 5 Response surface methodology 5 particle size 5 priority journal 5 Controllers 4 Data acquisition 4 Low power electronics 4 MATLAB 4 Nanoparticles 4 Oscillators (electronic) 4 Solar power generation 4 X ray diffraction 4 adsorption 4 article 4 drug formulation 4 drug solubility 4 nanoparticle 4 nonhuman 4 process optimization 4