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Out of sight but not out of mind: Size fractionation of plastics bioaccumulated by field deployed oysters

Journal of Hazardous Materials Letters 2021 52 citations ? Citation count from OpenAlex, updated daily. May differ slightly from the publisher's own count. Score: 45 ? 0–100 AI score estimating relevance to the microplastics field. Papers below 30 are filtered from public browse.
Francisca Ribeiro, Tamara S. Galloway, Elvis D. Okoffo, Elvis D. Okoffo, Elvis D. Okoffo, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Elvis D. Okoffo, Elvis D. Okoffo, Elvis D. Okoffo, Elvis D. Okoffo, Francisca Ribeiro, Francisca Ribeiro, Francisca Ribeiro, Francisca Ribeiro, Francisca Ribeiro, Francisca Ribeiro, Stacey O’Brien, Stacey O’Brien, Stacey O’Brien, Stacey O’Brien, Tamara S. Galloway, Stacey O’Brien, Stacey O’Brien, Kevin V. Thomas Kevin V. Thomas Stacey O’Brien, Saer Samanipour, Saer Samanipour, Tamara S. Galloway, Elvis D. Okoffo, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Stacey O’Brien, Tamara S. Galloway, Tamara S. Galloway, Elvis D. Okoffo, Francisca Ribeiro, Elvis D. Okoffo, Francisca Ribeiro, Elvis D. Okoffo, Elvis D. Okoffo, Jake O’Brien, Elvis D. Okoffo, Elvis D. Okoffo, Elvis D. Okoffo, Tamara S. Galloway, Tamara S. Galloway, Elvis D. Okoffo, Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Elvis D. Okoffo, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Elvis D. Okoffo, Kevin V. Thomas Tamara S. Galloway, Elvis D. Okoffo, Tamara S. Galloway, Tamara S. Galloway, Elvis D. Okoffo, Elvis D. Okoffo, Elvis D. Okoffo, Elvis D. Okoffo, Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Elvis D. Okoffo, Elvis D. Okoffo, Elvis D. Okoffo, Elvis D. Okoffo, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Elvis D. Okoffo, Tamara S. Galloway, Elvis D. Okoffo, Jake O’Brien, Jake O’Brien, Jake O’Brien, Jake O’Brien, Francisca Ribeiro, Francisca Ribeiro, Francisca Ribeiro, Francisca Ribeiro, Tamara S. Galloway, Stacey O’Brien, Kevin V. Thomas Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Elvis D. Okoffo, Tamara S. Galloway, Tamara S. Galloway, Elvis D. Okoffo, Elvis D. Okoffo, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Stacey O’Brien, Stacey O’Brien, Stacey O’Brien, Francisca Ribeiro, Francisca Ribeiro, Sarit Kaserzon, Jake O’Brien, Jake O’Brien, Jake O’Brien, Jake O’Brien, Jake O’Brien, Tamara S. Galloway, Kevin V. Thomas Elvis D. Okoffo, Tamara S. Galloway, Tamara S. Galloway, Saer Samanipour, Elvis D. Okoffo, Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Tamara S. Galloway, Elvis D. Okoffo, Elvis D. Okoffo, Elvis D. Okoffo, Kevin V. Thomas Tamara S. Galloway, Francisca Ribeiro, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Jonathan M. Harris, Sarit Kaserzon, Kevin V. Thomas Francisca Ribeiro, Elvis D. Okoffo, Elvis D. Okoffo, Stacey O’Brien, Elvis D. Okoffo, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Elvis D. Okoffo, Francisca Ribeiro, Tamara S. Galloway, Francisca Ribeiro, Tamara S. Galloway, Jake O’Brien, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Saer Samanipour, Tamara S. Galloway, Tamara S. Galloway, Sarit Kaserzon, Kevin V. Thomas Tamara S. Galloway, Sarit Kaserzon, Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Saer Samanipour, Saer Samanipour, Saer Samanipour, Saer Samanipour, Tamara S. Galloway, Jake O’Brien, Kevin V. Thomas Kevin V. Thomas Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Stacey O’Brien, Elvis D. Okoffo, Elvis D. Okoffo, Tamara S. Galloway, Tamara S. Galloway, Sarit Kaserzon, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Sarit Kaserzon, Jochen F. Mueller, Kevin V. Thomas Tamara S. Galloway, Kevin V. Thomas Tamara S. Galloway, Kevin V. Thomas Sarit Kaserzon, Jochen F. Mueller, Tamara S. Galloway, Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Francisca Ribeiro, Francisca Ribeiro, Jochen F. Mueller, Francisca Ribeiro, Kevin V. Thomas Kevin V. Thomas Francisca Ribeiro, Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Sarit Kaserzon, Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Tamara S. Galloway, Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Kevin V. Thomas Tamara S. Galloway, Kevin V. Thomas Elvis D. Okoffo, Tamara S. Galloway, Saer Samanipour, Tamara S. Galloway, Tamara S. Galloway, Tamara S. Galloway, Elvis D. Okoffo, Tamara S. Galloway, Kevin V. Thomas Tamara S. Galloway, Tamara S. Galloway, Saer Samanipour, Jake O’Brien, Saer Samanipour, Elvis D. Okoffo, Kevin V. Thomas

Summary

Field-deployed oysters accumulated plastic particles below 1 micrometer in size, a size fraction largely ignored in prior studies, suggesting that existing monitoring of microplastics in filter feeders substantially underestimates total plastic body burden.

Microplastics contamination has been widely reported in filter feeders yet the < 1 μm size fraction has been largely ignored. In attempt to characterize this sub 1 μm size fraction and better understand the size distribution of microplastics contamination in filter feeders, field deployed oysters were characterised using a combination of size fractionation combined with pyrolysis-gas chromatography-mass spectrometry (Py-GC/MS) as well as Fourier Transform-Infrared Spectroscopy (μFT-IR). Sequential filtration followed by Py-GC/MS identified the 1–22 μm fraction to contain the highest total plastic mass concentration (Ʃ31 mg/g), followed by the <1 μm fraction (Ʃ7.7 mg/g) and the >22 μm fraction (Ʃ0.1 mg/g). μFT-IR identified 0.2 particles/g tissue but was limited to particles >150 μm in size. Our results clearly show that an important size fraction of microplastics is being overlooked in almost all studies published to date that rely on FTIR for polymer identification.

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