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Magnetic solid phase extraction of silver-based nanoparticles in aqueous samples: Influence of particle composition and matrix effects on its application to environmental samples and species-selective elution and determination of silver sulphide nanoparticles with sp-ICP-MS.
Urstoeger A, Zacherl L, Muhr M, Selic Y, Wenisch M, Klotz M, Schuster M. Urstoeger A, et al. Talanta. 2021 Apr 1;225:122028. doi: 10.1016/j.talanta.2020.122028. Epub 2020 Dec 17. Talanta. 2021. PMID: 33592757
Separating dissolved silver from nanoparticulate silver is the key: Improved cloud-point-extraction hyphenated to single particle ICP-MS for comprehensive analysis of silver-based nanoparticles in real environmental samples down to single-digit nm particle sizes.
Wimmer A, Urstoeger A, Hinke T, Aust M, Altmann PJ, Schuster M. Wimmer A, et al. Among authors: urstoeger a. Anal Chim Acta. 2021 Mar 15;1150:238198. doi: 10.1016/j.aca.2021.01.001. Epub 2021 Jan 5. Anal Chim Acta. 2021. PMID: 33583555
What happens to silver-based nanoparticles if they meet seawater?
Wimmer A, Urstoeger A, Funck NC, Adler FP, Lenz L, Doeblinger M, Schuster M. Wimmer A, et al. Among authors: urstoeger a. Water Res. 2020 Mar 15;171:115399. doi: 10.1016/j.watres.2019.115399. Epub 2019 Dec 19. Water Res. 2020. PMID: 31896028