Nanomaterials for Environmental Sensors and Pollutant Control

A special issue of Nanomaterials (ISSN 2079-4991). This special issue belongs to the section "Environmental Nanoscience and Nanotechnology".

Deadline for manuscript submissions: closed (20 January 2025) | Viewed by 811

Special Issue Editors


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Guest Editor
School of Environment, Northeast Normal University, Changchun, China
Interests: electrochemical sensors; cell-based biosensors; environmental detection; toxicity evaluation of pollutants; pollution control
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Guest Editor
College of Chemistry, Chemical Engineering and Environment, Minnan Normal University, Zhangzhou, China
Interests: functional nanomaterial; electrochemical sensing; MOFs
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Guest Editor
School of Chemistry and Chemical Engineering, Shandong University, Jinan, China
Interests: nanocrystals; electrochemistry; analytical chemistry
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Special Issue Information

Dear Colleagues,

The rapid development of modern industry and agriculture has led to an increasing demand for chemicals by humans. Annually, numerous chemicals are synthesized and utilized in the production of textiles, furniture, and electronic products, among others, resulting in the inevitable release of pollutants into the environment. According to statistical data from the World Health Organization (WHO), 70% of diseases and 40% of deaths worldwide are linked to environmental pollution factors. The incidence of diseases associated with environmental pollution is escalating. Therefore, monitoring and effectively controlling environmental pollution is crucial for safeguarding human health, protecting the ecological environment, and promoting sustainable development.

Nanotechnology is widely acknowledged as one of the key technologies of the future. Its remarkable capability to adjust the chemical and physical properties of materials at atomic and molecular levels offers unprecedented opportunities to sustainably address substantial environmental challenges. In the past decade, there has been a substantial increase in the adoption of nanotechnology, primarily fueled by socioeconomic necessities. This Special Issue focuses on the design, synthesis, and application of nanomaterials for environmental monitoring and control.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  • Electrochemical sensors utilizing nanomaterials for environmental detection.
  • Biosensors incorporating nanomaterials for risk assessment and toxicity analysis of pollutants.
  • Nanomaterial-based catalysts, membranes, adsorbents, functional surface agents, etc., for pollutant removal.
  • Advancements in current environmental pollution control technologies through the incorporation of innovative nanomaterials.

We look forward to receiving insightful contributions.

Dr. Xiaolin Zhu
Prof. Dr. Qingxiang Wang
Prof. Dr. Bin Cai
Guest Editors

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Keywords

  • nanomaterials
  • sensor
  • environment
  • pollutants
  • detection
  • toxicity evaluation
  • degradation
  • removal

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Published Papers (1 paper)

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Research

15 pages, 4343 KiB  
Article
A Low-Cost Electrochemical Cell Sensor Based on MWCNT-COOH/α-Fe2O3 for Toxicity Detection of Drinking Water Disinfection Byproducts
by Ying Liu, Zhipeng Zhang, Yuling Wu, Huan Yang, Jiao Qu and Xiaolin Zhu
Nanomaterials 2025, 15(2), 146; https://doi.org/10.3390/nano15020146 - 20 Jan 2025
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Abstract
The disinfection of drinking water is essential for eliminating pathogens and preventing waterborne diseases. However, this process generates various disinfection byproducts (DBPs), which toxicological research indicates can have detrimental effects on living organisms. Moreover, the safety of these DBPs has not been sufficiently [...] Read more.
The disinfection of drinking water is essential for eliminating pathogens and preventing waterborne diseases. However, this process generates various disinfection byproducts (DBPs), which toxicological research indicates can have detrimental effects on living organisms. Moreover, the safety of these DBPs has not been sufficiently assessed, underscoring the need for a comprehensive evaluation of their toxic effects and associated health risks. Compared to traditional methods for studying the toxicity of pollutants, emerging electrochemical sensing technologies offer advantages such as simplicity, speed, and sensitivity, presenting an effective means for toxicity research on pollutants. However, challenges remain in this field, including the need to improve electrode sensitivity and reduce electrode costs. In this study, a pencil graphite electrode (PGE) was modified with carboxylated multi-walled carbon nanotubes (MWCNT-COOH) and nano-iron (III) oxide (α-Fe2O3) to fabricate a low-cost electrode with excellent electrocatalytic performance for cell-active substances. Subsequently, a novel cellular electrochemical sensor was constructed for the sensitive detection of the toxicity of three drinking water DBPs. The half inhibitory concentration (IC50) values of 2-chlorophenylacetonitrile (2-CPAN), 3-chlorophenylacetonitrile (3-CPAN), and 4-chlorophenylacetonitrile (4-CPAN) for HepG2 cells were 660.69, 831.76, and 812.83 µM, respectively. This study provides technical support and scientific evidence for the toxicity detection and safety assessment of emerging contaminants. Full article
(This article belongs to the Special Issue Nanomaterials for Environmental Sensors and Pollutant Control)
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