Methanol-based extraction protocol for insoluble and moderately water-soluble nanoparticles in plants to enable characterization by single particle ICP-MS. - Laughton, Stephanie; Laycock, Adam; Bland, Garret; von der Kammer, Frank; Hofmann, Thilo; Casman, Elizabeth A.; Lowry, Gregory V. (Analytical & Bioanalytical Chemistry, 2021)