US Patent 9,506,843
United States Patent and Trademark Office
University of Iowa Research Foundation (Iowa City, IA, US)
A personally portable nanoparticle respiratory deposition (NRD) sampler configured to collect nanoparticles based upon a sampling criterion. In an aspect, the NRD sampler has an impactor stage, and a diffusion stage. In another aspect, the NRD sampler includes a particle size separator in addition to an impactor stage and a diffusion stage.
Peters, Thomas and Cena, Lorenzo Personal nanoparticle respiratory depositions sampler and methods of using the same. US Patent 9,506,843 filed February 18, 2013 and issued November 29, 2016. https://ir.uiowa.edu/patents/676