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Updated: Jul 17, 2026

A Filter-based Surface Enhanced Raman Spectroscopic Assay for Rapid Detection of Chemical Contaminants

A Filter-based Surface Enhanced Raman Spectroscopic Assay for Rapid Detection of Chemical Contaminants

Published on: February 19, 2016

Perfluoroalkyl substance pollution: detecting and visualizing emerging trends based on CiteSpace.

Jiahao Huang^1,2, Song Xiang¹, Shuqin Chen³

¹Lake Basin Management, National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Chinese Research Academy of Environmental Sciences, Beijing, 100012, People's Republic of China.

Environmental Science and Pollution Research International

|June 25, 2022

Summary

This study visually analyzes 6,756 publications on perfluoroalkyl substances (PFASs) to map research trends. Key focus areas include PFAS transmission, human exposure, toxicity, and remediation strategies.

Keywords:

CiteSpace Perfluoroalkyl substances Visualization analysis Web of Science

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Area of Science:

Environmental Science
Ecology
Toxicology

Background:

Perfluoroalkyl substances (PFASs) are widespread environmental contaminants with known adverse effects on wildlife and humans.
Growing global concern has positioned PFAS research as a critical environmental hotspot.
Systematic analysis of PFAS research trends and characteristics has been limited.

Purpose of the Study:

To quantitatively visualize and analyze the development of PFAS research from 2000-2022.
To identify global research hotspots, key contributors, and emerging trends in the field.
To provide a data-driven foundation for future PFAS research directions.

Main Methods:

Bibliometric analysis of 6,756 publications spanning 23 years (2000-2022).
Utilized CiteSpace software for quantitative visualization of research data.
Analyzed publication data to identify influential countries, researchers, and keywords.

Main Results:

The USA and China are leading countries in PFAS research.
Research is predominantly situated within environmental sciences and ecology.
Key research themes include PFAS transmission pathways, human exposure, toxicity mechanisms, and remediation techniques.

Conclusions:

PFAS research is a rapidly evolving field with significant global attention.
The study highlights major research domains: transmission, exposure/toxicity, and remediation.
This visual analysis offers novel insights into research trajectories and future directions.