Separation and identification of nanoplastics in tap water

Separation and identification of nanoplastics in tap water

Publication Year:
Li, Yu; Wang, Zeqian; Guan, Baohong
Affiliated Orgs.:
Chinese Academy of Sciences
Resource Type:
Journal Article
A systematic review and meta-analysis of the existing literature on the relationship between water, sanitation, and hygiene (WaSH) interventions and environmental enteropathy (EE).
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Resource Information


Microplastics pollution in freshwater has attracted global attentions, but when microplastics are broken into nanoplastics, they may present higher toxicity mainly due to their greater potential to cross biological membranes. So far almost no work has been done on the separation and identification of nanoplastics in tap water. Herein we removed large particles from tap water by 0.45 μm filter and then sequentially screened nanoparticles in filtrate by Anopore with pore size of 200, 100, and 20 nm, the most frequent particle sizes of which concentrate at 255 nm, 148 nm, and 58 nm, respectively. Based on characterization of FTIR, AFM-IR and Pyr-GC/MS, the polymers were identified to be polyolefins, polystyrene, polyvinyl chloride, polyamide, and some plastic additives. The abundance of nanoplastics with the most frequent particle sizes in range of 58–255 nm was 1.67–2.08 μg/L in tap water. This work provides a feasible method for separation and identification of nanoplastics in tap water, and manifests the existence of nanoplastics, which poses a potential threat to the health of residents.

Resource Type

Journal Article

Publication Year



Li, Yu; Wang, Zeqian; Guan, Baohong



Organizational Affiliation

Chinese Academy of Sciences

Relevant Country


Specific Contaminants

Other Chemicals, Microplastics, Nanoplastics

University Affiliation

Zhejiang University

Business Connect Takeaways

The COVID-19 pandemic has had a significant impact on WASH services in healthcare facilities in low- and middle-income countries, with many facilities experiencing disruptions in water supply, sanitation, and hygiene services. This has increased the risk of healthcare-associated infections and compromised the ability of healthcare facilities to respond to the pandemic
The challenges faced by healthcare facilities in maintaining WASH services during the pandemic are multifaceted and include issues related to infrastructure, financing, and human resources. Addressing these challenges will require a coordinated and sustained effort from governments, donors, and other stakeholders.
There are a number of strategies that can be employed to support the continuity of WASH services in healthcare facilities during the pandemic, including strengthening supply chains for WASH products and equipment, providing financial support to healthcare facilities, and promoting behavior change around hygiene and sanitation practices

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