Microplastics in sediment cores as indicators of temporal trends in microplastic pollution in Andong salt marsh, Hangzhou Bay, China

Li, Jingjing; Huang, Wei; Xu, Yanmei; Jin, Aimin; Zhang, Dongdong; Zhang, Chunfang

doi:10.1016/j.rsma.2020.101149

Cited by 40 publications

(19 citation statements)

References 40 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…This emergent contaminant has recently been noted as a global concern, because of their potential environmental impacts and wide distribution in marine and estuarine ecosystems (McEachern et al, 2019;Velez et al, 2019 andZhang et al, 2020). Urban wastewater, sewage discharge and agricultural runoff are identified as point sources of MPs (Yeats et al, 2010;Li et al, 2020). Human activities such as fishing, shipping, tourism, cosmetic and textile industries are also linked to plastic and MP contamination and can be considered as sources of MP inputs to aquatic environments, either directly or indirectly (Nuelle et al, 2014;Aliabad et al, 2019).…”

Section: Introductionmentioning

confidence: 99%

Microplastic distribution in urban vs pristine mangroves: Using marine sponges as bioindicators of environmental pollution

Celis-Hernández

Ávila

Ward

et al. 2021

Environmental Pollution

View full text Add to dashboard Cite

Section: Introductionmentioning

confidence: 99%

Microplastic distribution in urban vs pristine mangroves: Using marine sponges as bioindicators of environmental pollution

Celis-Hernández

Ávila

Ward

et al. 2021

Environmental Pollution

View full text Add to dashboard Cite

“…It must be noted that the negligible health risks determined in this study were based on the use of PVC microplastics from the laboratory adsorption experiment to simulate microplastic adsorption of heavy metals in natural water, and this was done to reduce interferences from other factors as much as possible. However, the different types, densities, shapes, and particle sizes of microplastics vary in the amounts of heavy metals they contain or can adsorb from the environment (Li et al 2020 ; Naqash et al 2020 ; Cao et al 2021 ; Khalid et al 2021 ). For instance, Pb concentrations determined for foamed polyurethane (PU) plastics from Whitsand Bay reached 16,000 μg·g −1 (Turner and Lau 2016 ), which may result in tremendous health risks.…”

Section: Resultsmentioning

confidence: 99%

Bioaccessibility of microplastic-associated heavy metals using an in vitro digestion model and its implications for human health risk assessment

Chen

et al. 2022

Environ Sci Pollut Res

View full text Add to dashboard Cite

Microplastics can act as carriers of heavy metals and may enter humans through ingestion and threaten human health. However, the bioaccessibility of heavy metals associated with microplastics and its implications for human health risk assessments are poorly understood. Therefore, in this study, four typical heavy metals (As(V), Cr(VI), Cd(II), and Pb(II)) and one typical microplastic (polyvinyl chloride, PVC) were chosen to estimate the human health risk of microplastic-associated heavy metals by incorporating bioaccessibility. Significant adsorption of heavy metals was observed with the following order for adsorption capacity: Pb(II) > Cr(VI) > Cd(II) > As(V); the efficiencies for desorption of these four heavy metals from PVC microplastics were all below 10%. The Fourier transform infrared spectroscopy results indicated that the functional groups on the surface of the virgin PVC microplastics did not play an important role in the capture process. Heavy metals in both gastric and small intestinal phases were prone to release from PVC microplastics when bioaccessibility was evaluated with the in vitro SBRC (Soluble Bioavailability Research Consortium) digestion model. In addition, Pb(II) bioaccessibility in the gastric phase was significantly higher than those in the other phases, while As(V), Cr(VI), and Cd(II) bioaccessibilities showed the opposite trend. After incorporating bioaccessibility adjustments, the noncarcinogenic hazards and carcinogenic risks determined were lower than those based on total metal contents. The individual hazard quotients (HQ) and carcinogenic risks (CR) for ingestion of these four heavy metals from PVC microplastics were all lower than the threshold values for adults and children. In summary, this study will provide a new view of the human health risks of heavy metals associated with microplastics. Supplementary Information The online version contains supplementary material available at 10.1007/s11356-022-20983-8.

show abstract

“…In other studies from a canal in Tokyo Bay and Sakurada-bori Moat in Japan, the Gulf of Thailand, Straits of Johor, Malaysia, the Durban Bay, South Africa, sediment cores were collected using an 11 cm diameter gravity corer [186]. In another study, a box corer was used to collect samples from southern China [187] and the Irish continental shelf [30], while a piston corer was used to obtain samples from the Donghu Lake, Wuhan City, China [188] and 6 cm diameter gravity corer for collection of samples from the Andong Salt Marsh in Hongzhou Bay, China [189]. Some very deep samples from the Challenger Deep [31], 29 sediment cores from the Levantine, Catalan, Alboran and Cantabrian basins within the Mediterranean Sea [190], and from the Arctic [191] were collected using a multicorer.…”

Section: Marine Sedimentsmentioning

confidence: 99%

Micro-Nano Plastic in the Aquatic Environment: Methodological Problems and Challenges

Uddin

Fowler

Habibi

et al. 2022

Animals

View full text Add to dashboard Cite

Microplastic research has become a buzz word. It is seen as one of the most pressing issues of Anthropocene contamination. There is certainly no doubt about the ubiquitous presence of microplastic (MP) in almost all environmental matrices. However, the validity of considering them as a vector for contaminants needs some reconsideration, there are other more potent pathways. Their effect on marine biota also calls for some realistic experiments with environmental concentrations of MP and nanoplastic (NP). It has been observed that in most published literature, polymer characterization is performed. Is it necessary to do, or will merely finding and confirming the particle as plastic suffice for environmental research? Harmonization of protocols is necessary, and there is likely a need for some inter-laboratory comparison exercises in order to produce comparable data and reliable assessments across regions. Samples collected from the same area using different techniques show an order of magnitude difference in MP concentration. The issue of nanoplastic is more contentious; are we technologically ready to identify NP in environmental samples?

show abstract

Microplastics in sediment cores as indicators of temporal trends in microplastic pollution in Andong salt marsh, Hangzhou Bay, China

Cited by 40 publications

References 40 publications

Microplastic distribution in urban vs pristine mangroves: Using marine sponges as bioindicators of environmental pollution

Microplastic distribution in urban vs pristine mangroves: Using marine sponges as bioindicators of environmental pollution

Bioaccessibility of microplastic-associated heavy metals using an in vitro digestion model and its implications for human health risk assessment

Micro-Nano Plastic in the Aquatic Environment: Methodological Problems and Challenges

Contact Info

Product

Resources

About