2023
DOI: 10.1021/acs.est.3c01134
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Role of Residual Monomers in the Manifestation of (Cyto)toxicity by Polystyrene Microplastic Model Particles

Abstract: Polystyrene (PS) is an important model polymer for the investigation of effects of microplastic (MP) and nanoplastic (NP) particles on living systems. Aqueous dispersions of PS MP or NP contain residual monomers of styrene. In consequence, it is not clear if the effects observed in standard (cyto)­toxicity studies are evoked by the polymer (MP/NP) particle or by residual monomers. We addressed that question by comparing standard PS model particle dispersions with in-house synthesized PS particle dispersions. W… Show more

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Cited by 12 publications
(2 citation statements)
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“…S6†). 69 The polystyrene dispersion was diluted with distilled water to yield five calibration dispersions. The calibration was performed in a range between 1.88 μg mL −1 and 30 μg mL −1 .…”
Section: Methodsmentioning
confidence: 99%
“…S6†). 69 The polystyrene dispersion was diluted with distilled water to yield five calibration dispersions. The calibration was performed in a range between 1.88 μg mL −1 and 30 μg mL −1 .…”
Section: Methodsmentioning
confidence: 99%
“…The purity of the synthesized AIE-NPs was characterized using a UV-vis spectrometer (Shimadzu, Japan), as reported previously. 32 The purity was measured to be around 99.95% when the concentration of AIE-NPs was 1000 mg mL −1 . The concentration of residual styrene was about 0.5 mg L −1 in the stock and 5 × 10 −4 μg L −1 in the exposure medium.…”
Section: Fabrication Of Aie-nps With Different Surface Topographiesmentioning
confidence: 99%