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Mise au point d'un dispositif de collecte d'aérosols nanométriques pour l'analyse biologique

Abstract : We present a new concept for an airborne particle collector, capable of capturing efficiently and independently of size, any kind of aerosol ranging from a few tens of nanometres to a few microns. The collection device consists in a standard electrostatic precipitator, where the particle are charged via an electrical corona discharge and collected subsequently due to the electrostatic forces. In addition, a small amount of water vapour is injected in the incoming air flow improving greatly the yield for the collection of nanoscale particles. This method has the valuable advantage of having a very good yield for a wide range of particle size (20 nm to 2 µm), and of concentrating the particles in a very small volume of water, particularly adapted to continuous flow monitoring by fluidic microsystems.
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  • HAL Id : hal-00267663, version 1

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Ernest Galbrun, Alain Glière, Yves Fouillet, Jean-Luc Achard, Frédéric Rouillon, et al.. Mise au point d'un dispositif de collecte d'aérosols nanométriques pour l'analyse biologique. 18e Congrès Français de Mécanique, Aug 2007, Grenoble, France. ⟨hal-00267663⟩

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