Atmospheric microplastics and the human lungs

Microplastics (MPs) are an emerging environmental contaminant (EEC), that have recently been isolated from samples collected from the atmosphere, and are considered ubiquitous on Earth. There is a lack of knowledge regarding the properties of atmospheric MPs (AMPs), in terms of location, concentrations, plastic types, sizes and shapes. There is also limited understanding of the potential for these MPs to be inhaled, and the consequences of such exposure. Standardised approaches throughout the AMP field are called for, because incomparable datasets and varying microplastic (MP) definitions are slowing down the progression of research. It is now necessary to thoroughly investigate AMPs, and gain knowledge of the location and MP types relevant to human exposure, as well as assessing MP inhalation as an exposure route for humans. This information can direct future investigations into the potential hazards associated with AMP inhalation.
This thesis presents 3 publications, within this publication style thesis; investigating indoor AMPs, outdoor AMPs and a final investigation into the presence of MPs within human lung tissue samples, acquired from living patients.