Understanding plasticiser leaching from polystyrene microplastics

Gulizia, Alexandra M.; Patel, Kishan; Philippa, Bronson; Motti, Cherie A.; Herwerden, Lynne van; Vamvounis, George

doi:10.1016/j.scitotenv.2022.159099

Cited by 44 publications

(42 citation statements)

References 66 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…MPs can leach DOM ( e.g ., DEHP and BPA). , Therefore, we determined MP-derived DOM using loss on ignition (LOI) measurements, DOC analysis (blank control with 10 mg/L MP suspended in simulated fresh water as shown in Table S4), fluorescence analysis, and FT-ICR MS analysis based on previous studies . More details are shown in Supplemental Text 4.…”

Section: Methodsmentioning

confidence: 99%

Microplastics Reshape the Fate of Aqueous Carbon by Inducing Dynamic Changes in Biodiversity and Chemodiversity

Liu

Wang

et al. 2023

Environ. Sci. Technol.

View full text Add to dashboard Cite

The interactions among dissolved organic matter (DOM), microplastics (MPs) and microbes influence the fate of aqueous carbon and greenhouse gas emissions. However, the related processes and mechanisms remain unclear. Here, we found that MPs determined the fate of aqueous carbon by influencing biodiversity and chemodiversity. MPs release chemical additives such as diethylhexyl phthalate (DEHP) and bisphenol A (BPA) into the aqueous phase. The microbial community, especially autotrophic bacteria such as Cyanobacteria, showed a negative correlation with the additives released from MPs. The inhibition of autotrophs promoted CO 2 emissions. Meanwhile, MPs stimulated microbial metabolic pathways such as the tricarboxylic acid (TCA) cycle to accelerate the DOM biodegradation process, and then the transformed DOM presented low bioavailability, high stability, and aromaticity. Our findings highlight an urgent need for chemodiversity and biodiversity surveys to assess ecological risks from MP pollution and the impact of MPs on the carbon cycle.

show abstract

Section: Methodsmentioning

confidence: 99%

Microplastics Reshape the Fate of Aqueous Carbon by Inducing Dynamic Changes in Biodiversity and Chemodiversity

Liu

Wang

et al. 2023

Environ. Sci. Technol.

View full text Add to dashboard Cite

show abstract

“…Polystyrene is a synthetic polymer created from the monomers of the aromatic hydrocarbon styrene [13]. Polystyrene is an affordable resin per unit mass that is rigid and brittle, with its natural state being a solid or foam.…”

Section: Polystyrenementioning

confidence: 99%

“…It is one of the most extensively used plastics, produced at a rate of several million metric tons annually [14]. The prolific production rate of polystyrene commodities has led to their accumulation within waste management facilities [13]. Proposing the reutilization of polystyrene products emerges as a promising strategy to mitigate the adverse impacts of this excessive waste generation [6].…”

Section: Polystyrenementioning

confidence: 99%

Development of a Low-Density Waste-Based Geopolymer Construction Material

Ncube,

Roopchund

2024

Buildings

View full text Add to dashboard Cite

The construction industry, integral to national infrastructure development, faces environmental challenges attributed to Portland cement’s high energy consumption and carbon dioxide emissions during production. To address this challenge, this study integrated waste fly ash and polystyrene into geopolymers to enhance environmental sustainability and economic feasibility. The objectives included developing low-density geopolymers using polystyrene inclusion, optimizing component mixing ratios, assessing activator concentration effects, determining the optimal curing conditions, and characterizing the resulting geopolymers. Through experimental investigation, low-density geopolymers were developed with optimized component ratios and curing conditions. The experimental procedure began with the classification of fly ash to determine its suitability for various applications, revealing it to be type F. Geopolymers were fabricated using a mixture of fly ash, water, sodium hydroxide activator, and polystyrene. Varied concentrations of sodium hydroxide and polystyrene were employed. Two curing temperatures, 60 °C and 100 °C, were explored. The results showed that greater sodium hydroxide concentrations improved the structure and compressive strength of the geopolymers. The results also demonstrated a significant correlation between the curing conditions and the mechanical properties of the produced geopolymers. The goal of reducing the density of the geopolymers for lightweight thermal-resistant applications was achieved through polystyrene incorporation. However, polystyrene incorporation negatively impacted the compressive strength. The optimum production conditions for the sodium hydroxide-varied samples were 8 g sodium hydroxide/g sample cured at 100 °C, while the optimum production conditions for polystyrene-varied samples were 1 g polystyrene/g sample cured at 60 °C. The findings confirmed the viability of utilizing fly ash and polystyrene wastes to produce sustainable, low-density, thermal-resistant construction materials. Overall, increasing activator concentration enhances the strength and durability of geopolymers, while polystyrene contributes to the development of lightweight geopolymers, provided the appropriate amount is utilized. To ensure replicability, the formulation procedure and input quantities must be tailored according to the intended geopolymer application. These insights offer practical guidance for optimizing geopolymer manufacturing processes towards enhanced sustainability and performance.

show abstract

“…For example, the preservative sodium azide that was present in a commercial PS suspension was found to be the cause of acute toxicity towards Daphnia magna, instead of the PS particles themselves (Pikuda et al, 2019). Furthermore, nanoplastics produced from bulk plastic and/or plastic products might contain additives and unpolymerized monomers, like bisphenol A, heavy metals or styrene (Ajaj et al, 2021;Catrouillet et al, 2021;Gulizia et al, 2023). These chemicals might be released from the nanoplastics during incubation in the in vitro culture medium or in the cells that have taken up the plastic particles (Peters et al, 2022).…”

Section: Challenges and Considerations When Testing Plastic Particles...mentioning

confidence: 99%

Investigating nanoplastics toxicity using advanced stem cell-based intestinal and lung in vitro models

et al. 2023

View full text Add to dashboard Cite

Plastic particles in the nanometer range–called nanoplastics–are environmental contaminants with growing public health concern. As plastic particles are present in water, soil, air and food, human exposure via intestine and lung is unavoidable, but possible health effects are still to be elucidated. To better understand the Mode of Action of plastic particles, it is key to use experimental models that best reflect human physiology. Novel assessment methods like advanced cell models and several alternative approaches are currently used and developed in the scientific community. So far, the use of cancer cell line-based models is the standard approach regarding in vitro nanotoxicology. However, among the many advantages of the use of cancer cell lines, there are also disadvantages that might favor other approaches. In this review, we compare cell line-based models with stem cell-based in vitro models of the human intestine and lung. In the context of nanoplastics research, we highlight the advantages that come with the use of stem cells. Further, the specific challenges of testing nanoplastics in vitro are discussed. Although the use of stem cell-based models can be demanding, we conclude that, depending on the research question, stem cells in combination with advanced exposure strategies might be a more suitable approach than cancer cell lines when it comes to toxicological investigation of nanoplastics.

show abstract

Understanding plasticiser leaching from polystyrene microplastics

Cited by 44 publications

References 66 publications

Microplastics Reshape the Fate of Aqueous Carbon by Inducing Dynamic Changes in Biodiversity and Chemodiversity

Microplastics Reshape the Fate of Aqueous Carbon by Inducing Dynamic Changes in Biodiversity and Chemodiversity

Development of a Low-Density Waste-Based Geopolymer Construction Material

Investigating nanoplastics toxicity using advanced stem cell-based intestinal and lung in vitro models

Contact Info

Product

Resources

About