IOM Singapore 1 article published in JoVE Engineering A System to Create Stable Nanoparticle Aerosols from Nanopowders Yaobo Ding1, Michael Riediker1,2 1Institute for Work and Health (IST), Universities of Lausanne and Geneva, 2IOM Singapore We designed and developed an effective nanopowder aerosolization setup and operating protocol. The system generated nanoparticle aerosols with stable number concentrations and size distributions for long durations, requiring only small quantities of test material (min. 200 mg).