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The DOI matches its Crossref record; 7 of the 7 references it cites were found in a registry or an index.

Identification and visualisation of microplastics by Raman mapping

Sobhani, Zahra, Al Amin, Md, Naidu, Ravi, Megharaj, Mallavarapu, Fang, Cheng·2019·Analytica Chimica Acta
DOI 10.1016/j.aca.2019.05.021
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Abstract

Recently, microplastics (MP) have emerged as global contaminants of serious concern to human and ecological health. However, identification and visualisation of MP are still a challenge, whether from wastewater, oceans, sediment or soil. Particularly when MP are mapped to visualise their distribution, the background signal from sediment and soil might be high and shield the MP signal from the analysis. Raman has recently received increasing attention, as the complementary spectrum of infrared (IR), because it can overcome the drawbacks of IR analysis including water interference, low lateral resolution and a complex spectrum. Here we show that Raman can identify and visualise MP from a soil/sand background, with almost no sample preparation, no dye, no destruction of the sample and no interference from water/organic matter/fluorescence background signals as well. By mapping image via their characteristic and fingerprint peaks, MP including polystyrene (PS), polyethylene terephthalate (PET), polyethylene (PE), polyvinyl chloride (PVC) and polypropylene (PP) can be individually identified and visualised. The lateral resolution along the focal plane is 1 μm/pixel to catch small MP down to 1 μm.

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Citations

Cites

Research works printed but not linked: 29

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Metadata

Authors
Sobhani, Z., Al Amin, M., Naidu, R., Megharaj, M., & Fang, C.
ORCID
Venue
Analytica Chimica Acta
Publisher
Elsevier BV
Published
2019-10
Volume
1077
Pages
191-199
ISSN
0003-2670
DOI
10.1016/j.aca.2019.05.021
Cited by
232
References
7
Language
en
Licence
www.elsevier.com/tdm/userlicense/1.0/ (tdm)
Funders
  • CRC CARE and the setup
  • Flinders University of South Australia

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