Applications of Nanozymes and Other Nanomaterials in the Water Environment: Latest Advances and Prospects

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Wastewater Treatment and Reuse".

Deadline for manuscript submissions: 20 July 2025 | Viewed by 1032

Special Issue Editor


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Guest Editor
College of Civil Engineering, Fuzhou University, Fuzhou 350116, China
Interests: nanomaterials; water pollution control; wastewater treatment; photocatalysis technology; harmful algae blooms (HABs); combined sewer overflows (CSOs)
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Special Issue Information

Dear Colleagues,

Nanomaterials have been rapidly developed in the past few years and are widely used in environmental monitoring and water treatment. Among them, nanoenzymes are a new direction in the development of nanomaterials, which can catalyse enzyme substrates under physiological or extreme conditions and exhibit catalytic efficiencies and enzymatic reaction kinetics similar to those of natural enzymes. Despite the impressive progress in nanoenzymes and other nanomaterials research, many challenges remain to be addressed. In order to further promote the dynamic development of nanomaterials in water treatment, we cordially invite you to submit research articles describing the latest advances in this field as well as insightful reviews.

The sub-topics relevant to this Special Issue include, but are not limited to, the following:

  1. Design and preparation of nanomaterials for pollutant degradation;
  2. Ecological risk assessment of nanomaterials;
  3. Nanomaterial-centred water treatment processes;
  4. Nanoenzymatic-based pollutant monitoring methods;
  5. Nanoenzymatic-based pollutant removal.

Prof. Dr. Gongduan Fan
Guest Editor

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Keywords

  • nanomaterials
  • nanozyme
  • pollutant degradation
  • pollutant detection
  • water treatment processes

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Published Papers (1 paper)

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Review

17 pages, 3012 KiB  
Review
Preparation of Iron-Based Nanozymes and Their Application in Water Environment: A Review
by Xingfeng Cao, Gongduan Fan, Shiyun Wu, Jing Luo, Yuhan Lin, Weixin Zheng, Shuangyu Min and Kai-Qin Xu
Water 2024, 16(23), 3431; https://doi.org/10.3390/w16233431 - 28 Nov 2024
Viewed by 730
Abstract
Nanozymes represent a new generation of artificial enzymes that combine nanomaterial properties with catalytic activities similar to those of natural enzymes. It has significant advantages in catalytic efficiency, selectivity, and stability, leading to increasing interest in their application in aqueous environments. Since the [...] Read more.
Nanozymes represent a new generation of artificial enzymes that combine nanomaterial properties with catalytic activities similar to those of natural enzymes. It has significant advantages in catalytic efficiency, selectivity, and stability, leading to increasing interest in their application in aqueous environments. Since the discovery of enzyme-like activity in Fe3O4, more and more iron-based nanozymes have been utilised for the detection and removal of pollutants. Iron is a non-toxic, low-cost transition metal, and this property makes iron-based nanozymes more compatible with safety requirements in aqueous environmental applications. Although iron-based nanozymes have demonstrated significant advantages in the water environment field, the relevant research is still in its infancy. Therefore, it is of great practical significance to systematically summarise the latest applications of iron-based nanozymes in the water environment. This paper describes the common methods of synthesising iron-based nanozymes. In addition, the applications of iron-based nanozymes in detecting pollutants and pollutant removal are reviewed. It was found that the removal of pollutants by iron-based nanozymes was mainly achieved through the reactive oxygen species, whereas the recognition of pollutants primarily depended on the reactions of iron-based nanozymes, such as colour development, fluorescence, and chemiluminescence. Finally, we highlight the challenges and future prospects for the application of iron-based nanozymes in water environments. In summary, this paper systematically summaries and discusses the common synthesis methods of iron-based nanozymes and their applications in the aquatic environment, with a view to providing new ideas for overcoming the limitations of traditional pollutant detection and removal methods and realising the high-quality development of iron-based nanozymes in water environment. Full article
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