Visualizing Trace Pollutants in Solids at Nanoscale via Electron Tomography

Visualizing trace pollutants such as toxic metals and viruses in environmental solids such as soils, sediments, aerosols, and suspended particles in water has long been the holy grail for scientists and engineers. In this Perspective, progress on the state-of-the-art electron tomography is highlight...

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Bibliographic Details
Published in:Environmental science & technology 2021-09, Vol.55 (17), p.11533-11537
Main Authors: Tang, Chenliu, Ling, Lan, Zhang, Wei-xian
Format: Article
Language:English
Subjects:
Contaminants
Disinfection
Drinking water
Environmental behavior
Interfaces
Metals
Minerals
Mitigation
Pollutants
R&D
Research & development
Sediments
Soil contamination
Tomography
Toxicology
Viruses
Water pollution
Water purification
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Summary:Visualizing trace pollutants such as toxic metals and viruses in environmental solids such as soils, sediments, aerosols, and suspended particles in water has long been the holy grail for scientists and engineers. In this Perspective, progress on the state-of-the-art electron tomography is highlighted as an increasingly indispensable tool for visualizing contaminant distribution and transformation in three-dimension (3D), including environmental pollutants at the water-minerals interfaces, toxicology assessment, environmental behavior of viruses in heterogeneous environmental media, etc. Adding a third dimension to the pollutant characterization will surely enrich our understanding on the complex and emerging environmental issues facing the global society, and provide vital support to the ongoing research and development of life-saving mitigation technologies from air filtration, to drinking water purification, to virus disinfection.
ISSN:0013-936X
1520-5851
DOI:10.1021/acs.est.1c00832