Special focus: Safety of Nanoparticles

Journal of Nanoparticle Research

, Volume 12, Issue 1, pp 83-89

First online:

Experimental evaluation of individual protection devices against different types of nanoaerosols: graphite, TiO2, and Pt

  • L. GolanskiAffiliated withCEA-Grenoble, Liten, Laboratory of NanoChemistry and NanoSafety Email author 
  • , A. GuiotAffiliated withCEA-Grenoble, Liten, Laboratory of NanoChemistry and NanoSafety
  • , F. TardifAffiliated withCEA-Grenoble, Liten, Laboratory of NanoChemistry and NanoSafety

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In this study different conventional individual protection devices, well-qualified for submicron particles were tested for different types of polydispersed nanoaerosols of TiO2, Pt, and graphite. The electrical mobility diameters of the generated particles are ranging from 9 to 19 nm for Pt, 9 to 90 nm for TiO2, and 15 to 90 nm for graphite. Toward this purpose, two specific test benches were used: one for the filter-based devices which are tested under a controlled air flow, and the other one for protective clothing and gloves under diffusion and without air flow. Different types of nanoaerosols, such as TiO2, Pt, and graphite, were generated. Electrostatic and HEPA (High Efficiency Particle Air) filters have shown the highest efficiency for graphite nanoparticles. The main hypothesis for explaining this effect is that electrostatic forces could enhance the graphite nanoparticles capture. Air-tight fabrics made of non-woven textile seem much more efficient in protecting workers against Pt, and TiO2 nanoparticles than cotton and polypropylene. With regard to protective clothing, no obvious effect linked to the aerosol type was observed. Gloves are found very efficient for TiO2 and Pt nanoaerosols. Therefore, no effect of aerosol on the protection efficiency of gloves was evidenced.


Nanoparticles Filtration Fibrous filters Clothing Gloves Occupational environment Safety EHS