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Synergistically piezocatalytic and Fenton-like activation of HO by a ferroelectric Bi(BiFe)O catalyst to boost degradation of polyethylene terephthalate microplastic (PET-MPs).
J Colloid Interface Sci
March 2025
Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China; School of Chemistry and Chemical Engineering, Key Laboratory of Surface & Interface Science of Polymer Materials of Zhejiang Province, Zhejiang Sci-Tech University, Hangzhou 310018, China. Electronic address:
Pollution of microplastics (MPs) has been drastically threating human health, however, whose elimination from the environment by current approaches is inefficient due to their high molecular weight, stronghydrophobicity and stable covalent bonds. Herein, we report a novel and highly-efficient route to degrade MPs contaminants through synergistically piezocatalytic and Fenton-like activation of HO by a ferroelectric Bi(BiFe)O catalyst under ultrasound treatment. For 10 g/L polyethylene terephthalate microplastics (PET-MPs), the synergistic strategy reached a 28.
View Article and Find Full Text PDFPolystyrene microplastics exposure: Disruption of intestinal barrier integrity and hepatic function in infant mice.
Ecotoxicol Environ Saf
December 2024
School of Engineering, China Pharmaceutical University, Nanjing 211198, China.
The pervasive presence of microplastics (MPs) in infant formula and care products has emerged as a significant and underappreciated risk to public health. Notably, infants are at an elevated risk due to their underdeveloped intestinal defenses and liver detoxification capabilities, factors that could heighten their vulnerability to MPs. This study presents a comprehensive evaluation of the health implications linked to polystyrene microplastics (PSMPs) exposure during early life, examining both environmentally plausible and elevated levels.
View Article and Find Full Text PDFEngineering the Hot-Spots in Au-Ag Alloy Nanoparticles through Meniscus-Confined 3D Printing for Microplastic Detection.
ACS Appl Mater Interfaces
August 2024
Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
The escalating concern surrounding microplastic (MP) pollution necessitates urgent attention and the development of rapid techniques for quantifying extremely low concentrations. Surface-enhanced Raman spectroscopy (SERS) has emerged as a promising method due to its simplicity, high sensitivity, and rapid quantification capabilities. Herein, the efficacy of gold-silver alloy nanoparticles (3DPAu-Ag) substrates for detecting poly(methyl methacrylate) (PMMA) and polystyrene (PS) MPs is investigated.
View Article and Find Full Text PDFDo microplastics accumulate in penguin internal organs? Evidence from Svenner island, Antarctica.
Sci Total Environ
November 2024
Department of Environment Science, University of Calcutta, 35, Ballygunge circular road, Kolkata 700019, India.
The prevalence of microplastics (MPs, <5 mm) in natural environments presents a formidable global environmental threat MPs can be found from the Arctic to Antarctica, including glaciers. Despite their widespread distribution, studies on MP accumulation in apex predators inhabiting Polar Regions remain limited. The objective of this study was to conduct a comprehensive examination, for the first time, of MP bioaccumulation in various organs and tissue of Adélie penguins.
View Article and Find Full Text PDFDegradation of PET microplastic particles to monomers in human serum by PETase.
Faraday Discuss
September 2024
Department of Fibre and Polymer Technology, School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, Sweden.
More than 8 billion tons of plastic waste has been generated, posing severe environmental consequences and health risks. Due to prolonged exposure, microplastic particles are found in human blood and other bodily fluids. Despite a lack of toxicity studies regarding microplastics, harmful effects for humans seem plausible and cannot be excluded.
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