Date of Award

1-1-2014

Language

English

Document Type

Dissertation

Degree Name

Doctor of Philosophy (PhD)

College/School/Department

Department of Nanoscale Science and Engineering

Program

Nanoscale Sciences

Content Description

1 online resource (ix, 128 pages) : color illustrations.

Dissertation/Thesis Chair

Sara Brenner

Committee Members

Thomas Begley, J A Melendez, Yubing Xie, Alan Rossner

Keywords

engineered nanomaterials, nanoparticle, occupational exposure assessment, risk assessment, semiconductor industry, Chemical mechanical planarization, Nanostructured materials, Nanoparticles, Semiconductor wafers

Subject Categories

Environmental Health | Nanoscience and Nanotechnology | Occupational Health and Industrial Hygiene

Abstract

Engineered nanomaterials (ENMs) are currently used in hundreds of commercial products and industrial processes, with more applications being investigated. Nanomaterials have unique properties that differ from bulk materials. While these properties may enable technological advancements, the potential risks of ENMs to people and the environment are not yet fully understood. Certain low solubility nanoparticles are more toxic than their bulk material, such that existing occupational exposure limits may not be sufficiently protective for workers. Risk assessments are currently challenging due to gaps in data on the numerous emerging materials and applications as well as method uncertainties and limitations.

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