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Article ; Online: Long-range hydrophobic force enhanced interfacial photocatalysis for the submerged surface anti-biofouling.

Pan, Shuo / Lu, Dingnan / Gan, Huihui / Zhu, David Z / Yao, Zhiyuan / Kurup, Pradeep U / Zhang, Gaoke / Luo, Jiayue

2023 Volume 243, Page(s) 120383

Abstract: Developing anti-biofouling and anti-biofilm techniques is of great importance for protecting water-contact surfaces. In this study, we developed a novel double-layer system consisting of a bottom immobilized ... ...

Abstract	Developing anti-biofouling and anti-biofilm techniques is of great importance for protecting water-contact surfaces. In this study, we developed a novel double-layer system consisting of a bottom immobilized TiO
MeSH term(s)	Escherichia coli ; Chlorella ; Biofouling/prevention & control ; Biofilms ; Hydrophobic and Hydrophilic Interactions
Language	English
Publishing date	2023-07-21
Publishing country	England
Document type	Journal Article
ZDB-ID	202613-2
ISSN	1879-2448 ; 0043-1354
ISSN (online)	1879-2448
ISSN	0043-1354
DOI	10.1016/j.watres.2023.120383
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Article: Toward an intensive understanding of sewer sediment prokaryotic community assembly and function.

Xia, Jingjing / Yu, Kai / Yao, Zhiyuan / Sheng, Huafeng / Mao, Lijuan / Lu, Dingnan / Gan, HuiHui / Zhang, Shulin / Zhu, David Z

Frontiers in microbiology

2023 Volume 14, Page(s) 1327523

Abstract: Prokaryotic communities play important roles in sewer sediment ecosystems, but the community composition, functional potential, and assembly mechanisms of sewer sediment prokaryotic communities are still poorly understood. Here, we studied the sediment ... ...

Abstract	Prokaryotic communities play important roles in sewer sediment ecosystems, but the community composition, functional potential, and assembly mechanisms of sewer sediment prokaryotic communities are still poorly understood. Here, we studied the sediment prokaryotic communities in different urban functional areas (multifunctional, commercial, and residential areas) through 16S rRNA gene amplicon sequencing. Our results suggested that the compositions of prokaryotic communities varied significantly among functional areas.
Language	English
Publishing date	2023-12-20
Publishing country	Switzerland
Document type	Journal Article
ZDB-ID	2587354-4
ISSN	1664-302X
ISSN	1664-302X
DOI	10.3389/fmicb.2023.1327523
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Article ; Online: Voltammetric detection of arsenic (III) using gold nanoparticles modified carbon screen printed electrodes: Application for facile and rapid analysis in commercial apple juice.

Sullivan, Connor / Lu, Dingnan / Senecal, Andre / Kurup, Pradeep

Food chemistry

2021 Volume 352, Page(s) 129327

Abstract: This paper describes a voltammetric method and data analysis program developed for the detection of arsenic(III) in commercial apple juice. Arsenic(III) was detected using square wave stripping voltammetry with gold nanoparticle modified screen printed ... ...

Abstract	This paper describes a voltammetric method and data analysis program developed for the detection of arsenic(III) in commercial apple juice. Arsenic(III) was detected using square wave stripping voltammetry with gold nanoparticle modified screen printed electrodes. The only sample pretreatment performed was the addition of a 100 mM phosphate buffer with a pH of 7. To compensate for interference from high ascorbic acid concentrations, a data analysis program was developed in MATLAB to fit a non-linear baseline, allowing for accurate peak height measurement. With this data analysis program, the developed methodology had a sensitivity of 0.1007 µA (µg L
MeSH term(s)	Arsenic/analysis ; Carbon/chemistry ; Electrochemistry/instrumentation ; Electrodes ; Food Analysis/instrumentation ; Fruit and Vegetable Juices/analysis ; Gold/chemistry ; Malus/chemistry ; Metal Nanoparticles/chemistry ; Printing ; Time Factors
Chemical Substances	Carbon (7440-44-0) ; Gold (7440-57-5) ; Arsenic (N712M78A8G)
Language	English
Publishing date	2021-02-23
Publishing country	England
Document type	Journal Article
ZDB-ID	243123-3
ISSN	1873-7072 ; 0308-8146
ISSN (online)	1873-7072
ISSN	0308-8146
DOI	10.1016/j.foodchem.2021.129327
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Article ; Online: Indigenous microbial community governs the survival of Escherichia coli O157:H7 in constructed wetlands.

Zhang, Nan / Liang, Chunling / Kan, Peiying / Yangyao, Jiannan / Lu, Dingnan / Yao, Zhiyuan / Gan, Huihui / Zhu, David Z

Journal of environmental management

2023 Volume 334, Page(s) 117524

Abstract: The survival pattern of Escherichia coli O157:H7 (E. coli O157:H7) and its regulatory factors in natural environments have been widely studied. However, there is little information about the survival of E. coli O157:H7 in artificial environments, ... ...

Abstract	The survival pattern of Escherichia coli O157:H7 (E. coli O157:H7) and its regulatory factors in natural environments have been widely studied. However, there is little information about the survival of E. coli O157:H7 in artificial environments, especially in wastewater treatment facilities. In this study, a contamination experiment was performed to explore the survival pattern of E. coli O157:H7 and its central control factors in two constructed wetlands (CWs) under different hydraulic loading rates (HLRs). The results showed that the survival time of E. coli O157:H7 was longer in the CW under the higher HLR. Substrate ammonium nitrogen and available phosphorus were the main factors that influenced the survival of E. coli O157:H7 in CWs. Despite the minimal effect of microbial α-diversity, some keystone taxa, such as Aeromonas, Selenomonas, and Paramecium, governed the survival of E. coli O157:H7. In addition, the prokaryotic community had a more significant impact on the survival of E. coli O157:H7 than the eukaryotic community. The biotic properties had a more substantial direct power on the survival of E. coli O157:H7 than the abiotic factors in CWs. Collectively, this study comprehensively disclosed the survival pattern of E. coli O157:H7 in CWs, which is an essential addition to the environmental behavior of E. coli O157:H7, providing a theoretical basis for the prevention and control of biological contamination in wastewater treatment processes.
MeSH term(s)	Escherichia coli O157 ; Wetlands ; Wastewater ; Microbiota ; Colony Count, Microbial
Chemical Substances	Wastewater
Language	English
Publishing date	2023-02-16
Publishing country	England
Document type	Journal Article
ZDB-ID	184882-3
ISSN	1095-8630 ; 0301-4797
ISSN (online)	1095-8630
ISSN	0301-4797
DOI	10.1016/j.jenvman.2023.117524
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Article ; Online: Voltammetric codetection of arsenic(III) and copper(II) in alkaline buffering system with gold nanostar modified electrodes.

Sullivan, Connor / Lu, Dingnan / Brack, Eric / Drew, Christopher / Kurup, Pradeep

Analytica chimica acta

2020 Volume 1107, Page(s) 63–73

Abstract: One of the challenges preventing rapid, onsite voltammetric detection of arsenic(III) is the overlapping oxidation peak of copper(II). This paper describes a novel methodology for the voltammetric detection of trace levels of arsenic(III) in the presence ...

Abstract	One of the challenges preventing rapid, onsite voltammetric detection of arsenic(III) is the overlapping oxidation peak of copper(II). This paper describes a novel methodology for the voltammetric detection of trace levels of arsenic(III) in the presence of high copper(II) concentrations (up to the action level of 1.3 mg L
Language	English
Publishing date	2020-02-07
Publishing country	Netherlands
Document type	Journal Article
ZDB-ID	1483436-4
ISSN	1873-4324 ; 0003-2670
ISSN (online)	1873-4324
ISSN	0003-2670
DOI	10.1016/j.aca.2020.02.015
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Article ; Online: Constructed wetlands as hotspots of antibiotic resistance genes and pathogens: Evidence from metagenomic analysis in Chinese rural areas

Zhang, Nan / Lu, Dingnan / Sheng, Huafeng / Xia, Jingjing / Kan, Peiying / Yao, Zhiyuan / Chen, Huaihai / Li, Gang / Zhu, David Z. / Liu, Hongzhi

Journal of Hazardous Materials. 2023 Apr., v. 447, p. 130778

2023 , Page(s) 130778

Abstract: In rural China, many constructed wetlands (CWs) have been developed to treat rural wastewater sustainably. However, due to the scarce information on those rural CWs, it is difficult to analyze the biological contaminants within those systems, such as ... ...

Abstract	In rural China, many constructed wetlands (CWs) have been developed to treat rural wastewater sustainably. However, due to the scarce information on those rural CWs, it is difficult to analyze the biological contaminants within those systems, such as antibiotic resistance genes (ARGs) and pathogens. Based on the data collected from two pilot-scale, one-year-observed CWs, for the first time, this study explored the accumulation of ARGs and pathogens using the metagenomic sequencing approach and SourceTracker analysis under different hydraulic loading rates. The Shannon index of ARGs in the effluent surpassed the level found in the influent. The DESeq2 analysis showed that up to 21.49% of the total pathogen species had increased relative abundance in the effluent compared with the influent. By combining the contribution of substrate and rhizosphere, the CW became a more influencing factor for ARGs and pathogens contamination than the influent. The network analysis revealed a critical but latent fact that the development of antibiotic-resistant pathogens is highly likely to be triggered by the co-occurrence of ARGs and pathogens. Collectively, from the aspect of biological risk, our study showed that CWs alone might not be an ideal solution for improving wastewater treatment in rural China.
Keywords	antibiotic resistance ; metagenomics ; pathogens ; rhizosphere ; risk ; wastewater ; wastewater treatment ; China ; Rural constructed wetland ; Antibiotic resistance genes ; Antibiotic-resistance pathogens ; Metagenomic sequencing
Language	English
Dates of publication	2023-04
Size	p. 130778
Publishing place	Elsevier B.V.
Document type	Article ; Online
ZDB-ID	1491302-1
ISSN	1873-3336 ; 0304-3894
ISSN (online)	1873-3336
ISSN	0304-3894
DOI	10.1016/j.jhazmat.2023.130778
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Article ; Online: Primary concentration - The critical step in implementing the wastewater based epidemiology for the COVID-19 pandemic: A mini-review.

Lu, Dingnan / Huang, Zhuangrong / Luo, Jiayue / Zhang, Xiaoqi / Sha, Sha

The Science of the total environment

2020 Volume 747, Page(s) 141245

Abstract: The recent outbreak of a novel coronavirus SARS-CoV-2 has posed a significant global public health threat and caused dramatic social and economic disruptions. A new research direction is attracting a significant amount of attention in the academic ... ...

Abstract	The recent outbreak of a novel coronavirus SARS-CoV-2 has posed a significant global public health threat and caused dramatic social and economic disruptions. A new research direction is attracting a significant amount of attention in the academic community of environmental sciences and engineering, in which rapid community-level monitoring could be achieved by applying the methodology of wastewater based epidemiology (WBE). Given the fact that the development of a mass balance on the total number of viral RNA copies in wastewater samples and the infected stool specimens is the heart of WBE, the result of the quantitative RNA detection in wastewater has to be highly sensitive, accurate, and reliable. Thus, applying effective concentration methods before the subsequent RNA extraction and RT-qPCR detection is a must-have procedure for the WBE. This review provides new insights into the primary concentration methods that have been adopted by the eighteen recently reported COVID-19 wastewater detection studies, along with a brief discussion of the mechanisms of the most commonly used virus concentration methods, including the PEG-based separation, electrostatically charged membrane filtration, and ultrafiltration. In the end, two easy and well-proven concentration strategies are recommended as below, aiming to maximize the practical significance and operational effectiveness of the SARS-CoV-2 virus concentration from wastewater samples.
MeSH term(s)	Betacoronavirus ; COVID-19 ; Coronavirus Infections ; Humans ; Pandemics ; Pneumonia, Viral ; SARS-CoV-2 ; Wastewater-Based Epidemiological Monitoring
Keywords	covid19
Language	English
Publishing date	2020-07-25
Publishing country	Netherlands
Document type	Journal Article ; Review
ZDB-ID	121506-1
ISSN	1879-1026 ; 0048-9697
ISSN (online)	1879-1026
ISSN	0048-9697
DOI	10.1016/j.scitotenv.2020.141245
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Article: Prospects and challenges of using electrochemical immunosensors as an alternative detection method for SARS-CoV-2 wastewater-based epidemiology

Lu, Dingnan / Zhu, David Z / Gan, Huihui / Yao, Zhiyuan / Fu, Qiang / Zhang, Xiaoqi (Jackie)

Science of the total environment. 2021 July 10, v. 777

2021

Abstract: Given its potential applications in confronting the COVID-19 pandemic, wastewater-based epidemiology (WBE) has attracted tremendous attention. Developing a fast, cost-effective, and practical method for SARS-CoV-2 detection in wastewater is of great ... ...

Abstract	Given its potential applications in confronting the COVID-19 pandemic, wastewater-based epidemiology (WBE) has attracted tremendous attention. Developing a fast, cost-effective, and practical method for SARS-CoV-2 detection in wastewater is of great significance to facilitate future WBE development. By now, the PCR-based approach serves as the reference method and “gold standard” to detect the virus in wastewater. However, we found a trend that the PCR-based method becomes almost an unshakable choice as more and more studies were published regarding SARS-CoV-2 WBE. Of note, the importance of exploring new, alternative approaches for SARS-CoV-2 detection in wastewater should not be underestimated. In this context, the prospect of using electrochemical immunosensors as the alternative detection method was investigated in this survey. Based on the previous efforts towards different virus immunoassay studies and newly published PCR-based COVD-19 WBE works, this survey provides new insights into the electrochemical immunoassay that have been widely adopted in body fluids virus detection, along with an extensive discussion of the detection mechanism, detection performance, past performances, current efforts, and potential challenges with wastewater detection. In the end, this survey concludes that using electrochemical immunosensors to analyze SARS-CoV-2 in wastewater samples quantitatively may have better feasibility and practicability than using the conventional PCR-based approach, especially when considering its fast detection, ease of miniaturization, and potential on-site measurement.
Keywords	COVID-19 infection ; Severe acute respiratory syndrome coronavirus 2 ; cost effectiveness ; electrochemistry ; environment ; immunoassays ; immunosensors ; polymerase chain reaction ; surveys ; viruses ; wastewater
Language	English
Dates of publication	2021-0710
Publishing place	Elsevier B.V.
Document type	Article
Note	NAL-AP-2-clean
ZDB-ID	121506-1
ISSN	1879-1026 ; 0048-9697
ISSN (online)	1879-1026
ISSN	0048-9697
DOI	10.1016/j.scitotenv.2021.146239
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Article: Impact analysis of hydraulic loading rate on constructed wetland: Insight into the response of bulk substrate and root-associated microbiota

Zhang, Nan / Lu, Dingnan / Kan, Peiying / Yangyao, Jiannan / Yao, Zhiyuan / Zhu, David Z. / Gan, HuiHui / Zhu, Baoyu

Water research. 2022 Mar. 18,

2022

Abstract: Constructed wetland (CW) is an environment-friendly and low-cost technology for nutrients removal from domestic wastewater. For a well-tuned CW, hydraulic loading rate (HLR) is one of the critical factors, particularly under the challenging circumstance ... ...

Abstract	Constructed wetland (CW) is an environment-friendly and low-cost technology for nutrients removal from domestic wastewater. For a well-tuned CW, hydraulic loading rate (HLR) is one of the critical factors, particularly under the challenging circumstance of more frequent heavy rainfall events brought by global warming. In this study, a comprehensive investigation was conducted to explore the influence of different HLRs on the CW's bulk substrate and root-associated microbiota aiming to yield new insight for CW management from a hybrid perspective of environmental microbiology and engineering science. The response of the microbial community and associated nutrients removal performance under different HLR settings were analyzed after a one-year operation. Results showed that the bulk substrate and rhizosphere genera involved in desulfurization and denitrification, such as Ferritrophicum, Sulfurimonas, and Sulfurisoma, were enriched in the higher HLR condition and associated with the higher total nitrogen (TN) and nitrate nitrogen (NO₃⁻-N) removal compared to the lower HLR condition. Co-occurrence network analysis demonstrated a more complex network under the higher HLR condition. Besides, it was observed that more stochastic in microbial assembly under the higher HLR condition. Surprisingly, zoonotic pathogens were observed and showed a greater prevalence under the higher HLR condition, indicating the potential correlation between HLR and pathogen intrusion. Collectively, this study revealed that the microbiota could be significantly altered under different HLR conditions, thereby resulting in differences in nutrients removal performance.
Keywords	constructed wetlands ; denitrification ; desulfurization ; microbial communities ; microorganisms ; municipal wastewater ; nitrate nitrogen ; pathogens ; rain ; research ; rhizosphere ; total nitrogen ; water
Language	English
Dates of publication	2022-0318
Publishing place	Elsevier Ltd
Document type	Article
Note	Pre-press version
ZDB-ID	202613-2
ISSN	1879-2448 ; 0043-1354
ISSN (online)	1879-2448
ISSN	0043-1354
DOI	10.1016/j.watres.2022.118337
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Article ; Online: Impact analysis of hydraulic loading rate on constructed wetland: Insight into the response of bulk substrate and root-associated microbiota.

Zhang, Nan / Lu, Dingnan / Kan, Peiying / Yangyao, Jiannan / Yao, Zhiyuan / Zhu, David Z / Gan, Huihui / Zhu, Baoyu

Water research

2022 Volume 216, Page(s) 118337

Abstract	Constructed wetland (CW) is an environment-friendly and low-cost technology for nutrients removal from domestic wastewater. For a well-tuned CW, hydraulic loading rate (HLR) is one of the critical factors, particularly under the challenging circumstance of more frequent heavy rainfall events brought by global warming. In this study, a comprehensive investigation was conducted to explore the influence of different HLRs on the CW's bulk substrate and root-associated microbiota aiming to yield new insight for CW management from a hybrid perspective of environmental microbiology and engineering science. The response of the microbial community and associated nutrients removal performance under different HLR settings were analyzed after a one-year operation. Results showed that the bulk substrate and rhizosphere genera involved in desulfurization and denitrification, such as Ferritrophicum, Sulfurimonas, and Sulfurisoma, were enriched in the higher HLR condition and associated with the higher total nitrogen (TN) and nitrate nitrogen (NO
MeSH term(s)	Denitrification ; Microbiota ; Nitrogen ; Waste Disposal, Fluid/methods ; Waste Water/analysis ; Wetlands
Chemical Substances	Waste Water ; Nitrogen (N762921K75)
Language	English
Publishing date	2022-03-21
Publishing country	England
Document type	Journal Article
ZDB-ID	202613-2
ISSN	1879-2448 ; 0043-1354
ISSN (online)	1879-2448
ISSN	0043-1354
DOI	10.1016/j.watres.2022.118337
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