Does particle size affect micro- and nanoplastic quantification by pyrolysis-gas chromatography-mass spectrometry: a study on polystyrene - Dumont, Géraldine; Lievens, Siebe; Velimirovic, Milica; Reis de Carvalho, Aline; Jordens, Jan; Stefanuto, Pierre-Hugues; Focant, Jean-François (2025)