Journal of hazardous materials letters最新文献_第8页

The role of environmentally relevant concentrations of oxytetracycline in the emergence of antimicrobial resistance in Aeromonas hydrophila and Edwardsiella tarda 环境相关浓度的土霉素在嗜水气单胞菌和塔氏爱德华氏菌产生抗菌药耐药性中的作用

IF 6.6

Journal of hazardous materials letters Pub Date : 2024-11-01 Epub Date: 2024-10-02 DOI: 10.1016/j.hazl.2024.100130

Sutanu Karmakar , Kundan Kumar , T.J. Abraham , Saurav Kumar , Sanath Kumar , S.P. Shukla , Biswadeep Dey

{"title":"The role of environmentally relevant concentrations of oxytetracycline in the emergence of antimicrobial resistance in Aeromonas hydrophila and Edwardsiella tarda","authors":"Sutanu Karmakar , Kundan Kumar , T.J. Abraham , Saurav Kumar , Sanath Kumar , S.P. Shukla , Biswadeep Dey","doi":"10.1016/j.hazl.2024.100130","DOIUrl":"10.1016/j.hazl.2024.100130","url":null,"abstract":"<div><div>The study assessed the efficiency of <em>in-vitro</em> oxytetracycline (OTC) exposure on antimicrobial resistance (AMR) development in aquatic bacteria. <em>Aeromonas hydrophila</em> ATCC 49140 and <em>Edwardsiella tarda</em> ATCC 15947 were serially passaged to OTC for short and long durations. Short duration OTC exposure (30 min) at 0, 0.097 (0.25× Minimum Inhibitory Concentration: MIC), 0.195 (0.5× MIC) and 0.39 µg mL<sup>−1</sup> (1× MIC) elicited high mutation rate in <em>A. hydrophila</em> (10<sup>−4</sup>) and <em>E. tarda</em> (10<sup>−2</sup>). Serial passage exposure to inhibitory concentration of OTC (0.39 µg mL<sup>−1</sup>) reduced the zone of inhibition of nitrofurantoin (NIT) for <em>A. hydrophila</em> and of tetracycline, NIT and gentamicin for <em>E. tarda</em> to a clinically significant level. The upsurge in MICs of OTC was 4-folds (1.56 µg mL<sup>−1</sup>) and 8-folds (3.12 µg mL<sup>−1</sup>) in <em>A. hydrophila</em> and <em>E. tarda,</em> respectively during serial passage exposure to 0.097, 0.195 and 0.39 µg mL<sup>−1</sup> OTC. OTC exposure also increased the MICs of biocide triclosan (TCS) >4-folds (>100 µg mL<sup>−1</sup>) in <em>A. hydrophila</em> without any concentration-dependent pattern. This study shows that environmental OTC levels can drive bacterial mutation and AMR, potentially leading to cross-resistance to biocides like TCS. Reducing OTC use and improving disposal could help limit AMR spread through better antimicrobial management.</div></div>","PeriodicalId":93463,"journal":{"name":"Journal of hazardous materials letters","volume":"5 ","pages":"Article 100130"},"PeriodicalIF":6.6,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142417204","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Dissolved elemental mercury accumulation by freshwater phytoplankton species: A pilot study 淡水浮游植物物种的溶解元素汞积累：试点研究

IF 6.6

Journal of hazardous materials letters Pub Date : 2024-11-01 Epub Date: 2024-10-05 DOI: 10.1016/j.hazl.2024.100128

João Pereira Santos , David Amouroux , Vera I. Slaveykova

{"title":"Dissolved elemental mercury accumulation by freshwater phytoplankton species: A pilot study","authors":"João Pereira Santos , David Amouroux , Vera I. Slaveykova","doi":"10.1016/j.hazl.2024.100128","DOIUrl":"10.1016/j.hazl.2024.100128","url":null,"abstract":"<div><div>Bioaccumulation of dissolved elemental mercury (DGM) by various organisms has been demonstrated, but no study has shown its uptake and sequestration by phytoplankton species. The present study aims to investigate the accumulation of mercury by phytoplankton species exposed to DGM. Diatoms (<em>Cyclotella meneghiniana</em> and <em>Navicula pelliculosa</em>) and green algae (<em>Chlamydomonas reinhardtii</em> and <em>Haematococcus pluvialis</em>) were exposed to constant high level of atmospheric gaseous Hg (∼7.7 µg m<sup>−3</sup>). Total mercury concentrations (THg) in the medium (dissolved fraction) and algae cells (cellular fraction) were determined using cold vapor atomic fluorescence spectroscopy. Results revealed a partitioning of Hg(0) between the atmosphere and phytoplankton cultures, with THg predominantly found in the algae cells. THg in the algae cultures decreased in the order: <em>C. reinhardtii</em> > <em>H. pluvialis</em> > <em>N. pelliculosa</em> > <em>C. meneghiniana</em>. However, the cellular concentration (mol cell<sup>−1</sup>) decreased in the order: <em>H. pluvialis</em> > <em>C. reinhardtii</em> > <em>C. meneghiniana</em> > <em>N. pelliculosa.</em> These results highlight species specificity in Hg accumulation upon exposure to DGM, further linked to the phytoplankton surface area. Our findings reveal for the first time that phytoplankton species significantly influence the partitioning of atmospheric Hg(0) in aquatic environments, with important implications for the understanding of the aquatic mercury cycle.</div></div>","PeriodicalId":93463,"journal":{"name":"Journal of hazardous materials letters","volume":"5 ","pages":"Article 100128"},"PeriodicalIF":6.6,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142417205","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Kinetic modeling and optimization of triclosan adsorption onto coconut shell activated carbon 椰壳活性炭对三氯生的吸附动力学建模与优化

IF 6.6

Journal of hazardous materials letters Pub Date : 2024-11-01 Epub Date: 2024-10-05 DOI: 10.1016/j.hazl.2024.100131

Liane Carmen Ruszczyk , Gabriel Tochetto , Adriana Dervanoski , Gean Delise Leal Pasquali

引用次数: 0

Organochlorine pesticides remediation techniques: Technological perspective and opportunities 有机氯农药补救技术：技术视角与机遇

Journal of hazardous materials letters Pub Date : 2024-11-01 Epub Date: 2023-12-15 DOI: 10.1016/j.hazl.2023.100098

Afonso Henrique da Silva Júnior , Carlos Rafael Silva de Oliveira , Tarcisio Wolff Leal , António Benjamim Mapossa , Juliane Fiates , Antônio Augusto Ulson de Souza , Selene Maria de Arruda Guelli Ulson de Souza , Adriano da Silva

{"title":"Organochlorine pesticides remediation techniques: Technological perspective and opportunities","authors":"Afonso Henrique da Silva Júnior , Carlos Rafael Silva de Oliveira , Tarcisio Wolff Leal , António Benjamim Mapossa , Juliane Fiates , Antônio Augusto Ulson de Souza , Selene Maria de Arruda Guelli Ulson de Souza , Adriano da Silva","doi":"10.1016/j.hazl.2023.100098","DOIUrl":"https://doi.org/10.1016/j.hazl.2023.100098","url":null,"abstract":"<div><p>Organochlorine pesticides have been widely used in agriculture to control agricultural pests. Although effective in controlling pests, organochlorine pesticides present numerous hazards to ecosystems and human health due to their persistence in the environment, bioaccumulation, and toxicity. Scientific studies have shown that organochlorines may be associated with endocrine and neurological problems. Several strategies have been developed to apply treatment techniques to remove pesticides from various ecosystems, both aquatic and terrestrial. Physicochemical and biological methods have revealed other potentialities for remediation of aqueous environments contaminated with organochlorine pesticides. In addition, combined processes using different approaches have been highlighted as efficient alternatives to mitigate the impacts of agrochemicals on the environment, e.g., physical technique followed by a biological process. However, there are still numerous gaps that need to be explored and elucidated. Therefore, this review addressed the impacts of organochlorine pesticides on ecosystems and some treatment techniques used to remove agrochemicals from water. Furthermore, new findings, technological perspectives, and opportunities on this subject were presented and discussed.</p></div>","PeriodicalId":93463,"journal":{"name":"Journal of hazardous materials letters","volume":"5 ","pages":"Article 100098"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666911023000242/pdfft?md5=8af23a0ec38ba4a9457d4bfc3140910d&pid=1-s2.0-S2666911023000242-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138769789","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Isolation and characterization of hexavalent chromium-tolerant endophytic bacteria inhabiting Solanum virginicum L. roots: A study on potential for chromium bioremediation and plant growth promotion 茄属植物根部耐六价铬内生细菌的分离与鉴定：铬生物修复和植物生长促进潜力研究

Journal of hazardous materials letters Pub Date : 2024-11-01 Epub Date: 2024-05-27 DOI: 10.1016/j.hazl.2024.100114

Akanksha Gupta , Surendra Kumar Gond , Virendra Kumar Mishra

{"title":"Isolation and characterization of hexavalent chromium-tolerant endophytic bacteria inhabiting Solanum virginicum L. roots: A study on potential for chromium bioremediation and plant growth promotion","authors":"Akanksha Gupta , Surendra Kumar Gond , Virendra Kumar Mishra","doi":"10.1016/j.hazl.2024.100114","DOIUrl":"https://doi.org/10.1016/j.hazl.2024.100114","url":null,"abstract":"<div><p>Present study was performed with the aim to isolate Heavy metal Tolerant- PGPB (HMT-PGPB) from metal-contaminated site and use them for Cr bioremediation. Six different bacterial strains were obtained from the endosphere of <em>Solanum virginicum</em> L. roots and cultured using nutrient agar media amended with 20 mg/L of Cr(VI). The ability of these Cr(VI) tolerant bacterial isolates were assessed for PGP traits like producing siderophores, indole-3-acetic acid (IAA), and phosphate solubilization. The findings indicated that all of the isolates could produce exopolymeric substances and IAA, five of them could produce siderophores, and three could solubilize phosphate. Furthermore, the minimum inhibitory concentrations of these strains werealso determined. These strains were identified as <em>Bacillus licheniformis</em> SxR1, <em>B. tequilensis</em> SxR2, <em>B. subtilis</em> SxR3, <em>B. velezensis</em> SxR4, <em>B. amyloliquefaciens</em> SxR6, and <em>B. stercoris</em> SxR8. To validate the findings, it is crucial to comprehend how Cr(VI) affects <em>Bacillus</em> sp. SxR1 cells to determine the course of uptake and bacterial cell alteration, which was assessed via Fourier Transform-Infrared Spectroscopy (FT-IR) and Scanning Electron Microscopy (SEM).</p></div>","PeriodicalId":93463,"journal":{"name":"Journal of hazardous materials letters","volume":"5 ","pages":"Article 100114"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666911024000133/pdfft?md5=cb57e15dd1bd6d3f5d5e0985b3f3dc14&pid=1-s2.0-S2666911024000133-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141243473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Recent advances of Copper- BTC metal-organic frameworks for efficient degradation of organic dye-polluted wastewater: Synthesis, mechanistic insights and future outlook 高效降解有机染料废水的铜- BTC金属-有机框架材料的研究进展:合成、机理及展望

Journal of hazardous materials letters Pub Date : 2024-11-01 Epub Date: 2023-11-23 DOI: 10.1016/j.hazl.2023.100094

Saptarshi Roy, Jnyanashree Darabdhara, Md. Ahmaruzzaman

{"title":"Recent advances of Copper- BTC metal-organic frameworks for efficient degradation of organic dye-polluted wastewater: Synthesis, mechanistic insights and future outlook","authors":"Saptarshi Roy, Jnyanashree Darabdhara, Md. Ahmaruzzaman","doi":"10.1016/j.hazl.2023.100094","DOIUrl":"https://doi.org/10.1016/j.hazl.2023.100094","url":null,"abstract":"<div><p>Water borne emerging pollutants represents a significant challenge confronting the modern society. As a result of excessive use of dyes and pigments by the textile and other industries, substantial amount of these toxic and recalcitrant substances are widely dispersed into the aquatic sources that may raise serious health issues to all life forms besides causing potential disruption to the ecosystem. Treatments of these hazardous and non-biodegradable organic contaminants in wastewater effluents have become a focal point for researchers dedicated to environmental remediation. Notably, Metal organic frameworks (MOFs) and their composites have been reported to be promising materials for tackling such challenges. This review is dedicated to provide a concise overview by consolidating the diverse beneficial attributes of Cu-BTC MOF rendering it as a versatile material with applications spanning diverse domains, focusing on the reactivity, the role of the metal ion and its recent potential for addressing the elimination of toxic textile dye wastes from the wastewater effluent. Furthermore, it also documents the underlying mechanistic pathway governing the degradation mechanism and the superior electron transport property of Cu ̶ BTC, besides painting in detail the existing limitations that hinder their applicability at an industrial platform. Moreover, a set of future research outlooks serving as a roadmap for exploring the potentiality of Cu ̶ BTC MOFs have also been presented.</p></div>","PeriodicalId":93463,"journal":{"name":"Journal of hazardous materials letters","volume":"5 ","pages":"Article 100094"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666911023000205/pdfft?md5=03140f376cdb280fc9234d3f37f5b7eb&pid=1-s2.0-S2666911023000205-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"138501249","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Significant production of alkyl halides from (aliphatic) carboxylic acids in the UV/chlorine process 通过紫外线/氯工艺从（脂肪族）羧酸中大量生产烷基卤化物

IF 6.6

Journal of hazardous materials letters Pub Date : 2024-11-01 Epub Date: 2024-08-10 DOI: 10.1016/j.hazl.2024.100118

Xueling Bai, Xiaoqing Li, Baoqiang Hao, Renyuan Zhang, Genye He, Zishi An, Bing Zheng, Jing Li

{"title":"Significant production of alkyl halides from (aliphatic) carboxylic acids in the UV/chlorine process","authors":"Xueling Bai, Xiaoqing Li, Baoqiang Hao, Renyuan Zhang, Genye He, Zishi An, Bing Zheng, Jing Li","doi":"10.1016/j.hazl.2024.100118","DOIUrl":"10.1016/j.hazl.2024.100118","url":null,"abstract":"<div><p>Ultraviolet radiation combined with free chlorine (UV/chlorine) is an attractive alternative to UV or chlorination alone for disinfection. However, <sup>•</sup>OH and Cl<sup>•</sup> radicals from UV/chlorine have recently raised increasing concerns about the possible formation of chlorinated products. A significant quantity of alkyl halides was generated from aliphatic carboxylic acids in the UV/chlorine process, in contrast to the absence of any detectable alkyl halides during chlorination alone. During the UV/chlorine process, the formation of CH<sub>3</sub>Cl, CH<sub>3</sub>CH<sub>2</sub>Cl and CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>Cl were was observed from acetic acid, propionic acid and <em>n</em>-butyric acid, respectively. The maximum yield of CH<sub>3</sub>Cl was up to 54.6 % when acetic acid was treated at a chlorine to precursors (Cl/P) ratio of 4.0. In addition to CH<sub>3</sub>Cl, CH<sub>2</sub>Cl<sub>2</sub> and CHCl<sub>3</sub> were also detected as the products of acetic acid. The presence of bromide ions resulted in a reduction in the yields of chloroalkanes, the formation of bromine byproducts, and an increase in the total amount of halocarbons. Hydroxyl radicals and chlorine radicals were identified as key reactants in the radical quenching experiments. The reactions described in this paper contribute to the understanding of the mechanism of halogenated byproduct formation during the UV/chlorine process.</p></div><div><h3>Synopsis</h3><p>The radicals resulting from UV/chlorine lead to the conversion of carboxylic acids into a significant amount of alkyl halides that would not be generated by chlorination alone.</p></div>","PeriodicalId":93463,"journal":{"name":"Journal of hazardous materials letters","volume":"5 ","pages":"Article 100118"},"PeriodicalIF":6.6,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666911024000170/pdfft?md5=ed03f864693c438dd8898ef81cf6fe11&pid=1-s2.0-S2666911024000170-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141997644","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Regenerated products from leather industrial solid waste: Future perspective and current advances 皮革工业固体废物再生产品：未来展望与当前进展

Journal of hazardous materials letters Pub Date : 2024-11-01 Epub Date: 2024-05-03 DOI: 10.1016/j.hazl.2024.100112

Rethinam Senthil

{"title":"Regenerated products from leather industrial solid waste: Future perspective and current advances","authors":"Rethinam Senthil","doi":"10.1016/j.hazl.2024.100112","DOIUrl":"https://doi.org/10.1016/j.hazl.2024.100112","url":null,"abstract":"<div><p>The removal of chrome waste (CW) has been identified as a significant environmental problem due to chromium's toxicity. This study tried to make a regenerated flexible sheet (RFS) with a leather alternative effect from chrome waste powder (CWP), cardboard waste fiber (CBWF), and protein binder (PB) fabricated by the hydraulic wet and hot press method. The prepared RFS was characterized by its High-resolution scanning electron microscopy (HR-SEM), thermo gravimetric analysis (TGA), mechanical analysis, and biodegradation properties. The result showed the strong binding achieved with fiber/polymer membrane for RFS. In this regard, RFS with suitable mechanical properties such as tensile strength (37.54 ± 1.32 MPa), elongation at break (33.64 ± 0.52 %), flexibility (5.34 ± 0.67 %), water absorption (27.74 ± 1.56 %), and water desorption (27.46 ± 0.76 %) properties. RFS possessed the required mechanical properties for leather sheet production and it was also biodegradable. The study proves that these composites could be successfully used for the production of cost-effective leather goods and footwear production. Production of useful byproducts from waste is income generating and at the same time reduces environmental pollution and a feasible technology for waste recycling has been proved in this study.</p></div>","PeriodicalId":93463,"journal":{"name":"Journal of hazardous materials letters","volume":"5 ","pages":"Article 100112"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S266691102400011X/pdfft?md5=ffc784f547bb857668a1f48e3262619f&pid=1-s2.0-S266691102400011X-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140880569","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Wastewater-based proteomics: A proof-of-concept for advancing early warning system for infectious diseases and immune response monitoring 基于废水的蛋白质组学：推进传染病预警系统和免疫反应监测的概念验证

Journal of hazardous materials letters Pub Date : 2024-11-01 Epub Date: 2024-04-05 DOI: 10.1016/j.hazl.2024.100108

Kishore Kumar Jagadeesan , Harry Elliss , Richard Standerwick , Megan Robertson , Ruth Barden , Barbara Kasprzyk-Hordern

{"title":"Wastewater-based proteomics: A proof-of-concept for advancing early warning system for infectious diseases and immune response monitoring","authors":"Kishore Kumar Jagadeesan , Harry Elliss , Richard Standerwick , Megan Robertson , Ruth Barden , Barbara Kasprzyk-Hordern","doi":"10.1016/j.hazl.2024.100108","DOIUrl":"https://doi.org/10.1016/j.hazl.2024.100108","url":null,"abstract":"<div><p>In this proof-of-concept study, a new mass spectrometry-based framework was introduced for concurrent tracking of infectious disease prevalence and community responses. The study focused on the detection of SARS-CoV-2 as the test pathogen and C-reactive protein (CRP) as the representative acute phase response protein. Through mass spectrometry (MS), the research provided preliminary insights into the prevalence of the virus and community acute immune responses, suggesting its strong potential as an early warning system. The high specificity and sensitivity of MS, combined with wastewater-based epidemiology's ability to provide a population-level perspective on virus prevalence, make it a valuable tool for public health surveillance. The study's findings demonstrate the utility of targeted proteomics technology in detecting specific protein biomarkers associated with SARS-CoV-2 infection and inflammation in complex wastewater samples. This approach has advantages over traditional RNA-based methods, including the ability to simultaneously detect acute-phase response proteins such as CRP. The study lays the foundation for future research towards refining analytical techniques to extract more precise data from complex matrices.</p></div><div><h3>Synopsis</h3><p>WBE proteomics holds a strong potential in wastewater surveillance for pathogens and disease outcomes</p></div>","PeriodicalId":93463,"journal":{"name":"Journal of hazardous materials letters","volume":"5 ","pages":"Article 100108"},"PeriodicalIF":0.0,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S2666911024000078/pdfft?md5=f1a9d50d6a20ae78ed953e83a174a1b7&pid=1-s2.0-S2666911024000078-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140536045","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Per- and polyfluoroalkyl substances in feathers of waterbirds (Ardeidae) from Poyang Lake, China: Bioaccumulation, distribution, and environmental relevance 中国鄱阳湖水鸟羽毛中的全氟和多氟烷基物质：生物累积、分布和环境相关性

IF 6.6

Journal of hazardous materials letters Pub Date : 2024-11-01 Epub Date: 2024-11-14 DOI: 10.1016/j.hazl.2024.100135

Nannan Wan , Bo Zhou , Limin Mo , Qiyu Wang , Shuai Liu , Miao Zhang , Yu Liu , Xiaojun Luo , Bixian Mai

{"title":"Per- and polyfluoroalkyl substances in feathers of waterbirds (Ardeidae) from Poyang Lake, China: Bioaccumulation, distribution, and environmental relevance","authors":"Nannan Wan , Bo Zhou , Limin Mo , Qiyu Wang , Shuai Liu , Miao Zhang , Yu Liu , Xiaojun Luo , Bixian Mai","doi":"10.1016/j.hazl.2024.100135","DOIUrl":"10.1016/j.hazl.2024.100135","url":null,"abstract":"<div><div>Studies on the distribution characteristics and environmental relevance of per- and polyfluoroalkyl substances (PFAS) in waterbird feathers are scarce. In the present study, the concentrations of twenty-three PFAS in the remiges, coverts, body, down, and tail feathers of three common species of Ardeidae (little egret, grey heron, and Chinese pond-heron) in Poyang Lake were investigated. The total PFAS concentrations in the pinna and scapus were 38 – 42 ng/g dry weight (dw) and 21 – 38 ng/g dw, respectively; long-chain C<sub>9–14</sub> perfluorocarboxylic acids were abundant in all feathers. Most PFAS accumulated in the pinna; however, perfluorohexane sulfonic acid and perfluorooctane sulfonamide were predominant in the scapus. The PFAS concentrations were higher in the tail and flight feathers than in the cover and body feathers. Furthermore, the concentrations of PFAS in waterbird feathers were comparable with those in fish and higher than those in benthic invertebrates, all of which originated from Poyang Lake. The PFAS profiles in feathers were significantly and positively correlated with those in fish (r > 0.71) and benthos (r > 0.43). These results suggest that waterbird feather is a suitable biomonitor of PFAS contamination in regional freshwater ecosystems.</div></div>","PeriodicalId":93463,"journal":{"name":"Journal of hazardous materials letters","volume":"5 ","pages":"Article 100135"},"PeriodicalIF":6.6,"publicationDate":"2024-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142651891","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0