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Lorenzo Cena

Respiratory Deposition

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Assessment Of Exposure To Composite Nanomaterials And Development Of A Personal Respiratory Deposition Sampler For Nanoparticles, Lorenzo Cena Oct 2019

Assessment Of Exposure To Composite Nanomaterials And Development Of A Personal Respiratory Deposition Sampler For Nanoparticles, Lorenzo Cena

Lorenzo Cena

The overall goals of this doctoral dissertation are to provide knowledge of workers' exposure to nanomaterials and to assist in the development of standard methods to measure personal exposure to nanomaterials in workplace environments.

To achieve the first goal, a field study investigated airborne particles generated from the weighing of bulk carbon nanotubes (CNTs) and the manual sanding of epoxy test samples reinforced with CNTs. This study also evaluated the effectiveness of three local exhaust ventilation (LEV) conditions (no LEV, custom fume hood and biosafety cabinet) for control of exposure to particles generated during sanding of CNT-epoxy nanocomposites. Particle number …