drug delivery system 5 Article 4 chemistry 4 controlled study 4 human 4 nonhuman 4 alcohol 3 animal experiment 3 drug formulation 3 male 3 nanocarrier 3 Animals 2 Male 2 Nanoparticles 2 aerosol 2 animal 2 animal model 2 dispersion 2 drug cytotoxicity 2 drug effects 2 drug penetration 2 drug release 2 fluorouracil 2 in vitro study 2 in vivo study 2 metabolism 2 microwave radiation 2 nanoemulsion 2 nanoparticle 2 nebulization 2