Detecting Nanoplastic Particles using Correlative Microscopy

Ruth Schmidt, Harald Matthias Fitzek, Manfred Nachtnebel, Armin Zankel, Hartmuth Schröttner, Martina Dienstleder, Sabrina Mertschnigg, M. Poteser, H.-P. Hutter, W. Eppel

Research output: Contribution to conferenceAbstract


Nowadays “microplastics” (MPs) is an already well-known term and micro-sized particles are increasinglyfound in several consumer products [1]. Moreover, effects of micro- and nanoplastics (NPs) on human healthhave been investigated and discussed [2]. In this study, the focus is pointed to MPs smaller than 1 μm, witha specific focus on particles in the scale of a couple of 100 nm, which are referred here as NPs. A correlativeapproach between scanning electron microscopy (SEM, high resolution) and Raman microscopy (chemicalidentification) was tested to meet the challenges of finding and identifying these small particles. For thispurpose standardized polystyrene (PS) beads were mixed into various environments in differentconcentrations, ranging from ideal (distilled water) to realistic (sea salt, human amniotic fluid), to proof thedetection limit of NPs with the so called RISE (Raman Imaging and Scanning Electron microscopy) system[3]. Promising results exhibit detection limits of 2·10-3 μg/L (distilled water), 20 μg/L (sea salt) and 200 μg/L(human amniotic fluid).
Original languageEnglish
PagesP-163, 31
Publication statusPublished - 2020
Event2020 Virtual Raman Imaging Poster Summit - Virtuell, Germany
Duration: 28 Sept 20202 Oct 2020


Conference2020 Virtual Raman Imaging Poster Summit

ASJC Scopus subject areas

  • Materials Science(all)

Fields of Expertise

  • Human- & Biotechnology

Treatment code (Nähere Zuordnung)

  • Basic - Fundamental (Grundlagenforschung)

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