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Lin J, Chi L, Yuan Q, Li B, Feng M. Photodegradation of typical pharmaceuticals changes toxicity to algae in estuarine water: A metabolomic insight. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 908:168338. [PMID: 37931817 DOI: 10.1016/j.scitotenv.2023.168338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 10/31/2023] [Accepted: 11/03/2023] [Indexed: 11/08/2023]
Abstract
The ubiquitous existence of various pharmaceuticals in the marine environment has received global attention for their risk assessment. However, rather little is known thus far regarding the natural attenuation (e.g., photolysis)-induced product/mixture toxicity of these pharmaceuticals on marine organisms. In this study, the photodegradation behavior, product formation, and risks of two representative pharmaceuticals (i.e., ciprofloxacin, CIP; diclofenac, DCF) were explored in the simulated estuary water. It was noted that both pharmaceuticals can be completely photolyzed within 1 h, and five products of CIP and three products of DCF were identified by a high-resolution liquid chromatography-mass spectrometer. Accordingly, their photodecomposition pathways were tentatively proposed. The in silico prediction suggested that the formed transformation products maintained the persistence, bioaccumulation potential, and multi-endpoint toxic effects such as genotoxicity, developmental toxicity, and acute/chronic toxicity on different aquatic species. Particularly, the non-targeted metabolomics first elucidated that DCF and its photolytic mixtures can significantly affect the antioxidant status of marine algae (Heterosigma akashiwo), triggering oxidative stress and damage to cellular components. It is very alarming that the complete photolyzed DCF sample induced more serious oxidative stress than DCF itself, which called for more concern about the photolysis-driven ecological risks. Overall, this investigation first uncovered the overlooked but serious toxicity of the transformation products of prevalent pharmaceuticals during natural attenuation on marine species.
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Affiliation(s)
- Jiang Lin
- College of the Environment & Ecology, Xiamen University, Xiamen 361100, China
| | - Lianbao Chi
- CAS Key Laboratory of Marine Ecology and Environmental Sciences, Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China
| | - Qing Yuan
- China United Engineering Corporation Limited, Hangzhou 310052, China
| | - Busu Li
- Laoshan Laboratory, Qingdao 266237, China.
| | - Mingbao Feng
- College of the Environment & Ecology, Xiamen University, Xiamen 361100, China
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2
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Shen M, Hu Y, Zhao K, Li C, Liu B, Li M, Lyu C, Sun L, Zhong S. Occurrence, Bioaccumulation, Metabolism and Ecotoxicity of Fluoroquinolones in the Aquatic Environment: A Review. TOXICS 2023; 11:966. [PMID: 38133367 PMCID: PMC10747319 DOI: 10.3390/toxics11120966] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/06/2023] [Revised: 11/24/2023] [Accepted: 11/25/2023] [Indexed: 12/23/2023]
Abstract
In recent years, there has been growing concern about antibiotic contamination in water bodies, particularly the widespread presence of fluoroquinolones (FQs), which pose a serious threat to ecosystems due to their extensive use and the phenomenon of "pseudo-persistence". This article provides a comprehensive review of the literature on FQs in water bodies, summarizing and analyzing contamination levels of FQs in global surface water over the past three years, as well as the bioaccumulation and metabolism patterns of FQs in aquatic organisms, their ecological toxicity, and the influencing factors. The results show that FQs contamination is widespread in surface water across the surveyed 32 countries, with ciprofloxacin and norfloxacin being the most heavy contaminants. Furthermore, contamination levels are generally higher in developing and developed countries. It has been observed that compound types, species, and environmental factors influence the bioaccumulation, metabolism, and toxicity of FQs in aquatic organisms. FQs tend to accumulate more in organisms with higher lipid content, and toxicity experiments have shown that FQs exhibit the highest toxicity to bacteria and the weakest toxicity to mollusk. This article summarizes and analyzes the current research status and shortcomings of FQs, providing guidance and theoretical support for future research directions.
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Affiliation(s)
- Mengnan Shen
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China; (M.S.); (Y.H.); (K.Z.); (C.L.); (B.L.); (M.L.); (C.L.)
| | - Yi Hu
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China; (M.S.); (Y.H.); (K.Z.); (C.L.); (B.L.); (M.L.); (C.L.)
| | - Ke Zhao
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China; (M.S.); (Y.H.); (K.Z.); (C.L.); (B.L.); (M.L.); (C.L.)
| | - Chenyang Li
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China; (M.S.); (Y.H.); (K.Z.); (C.L.); (B.L.); (M.L.); (C.L.)
| | - Binshuo Liu
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China; (M.S.); (Y.H.); (K.Z.); (C.L.); (B.L.); (M.L.); (C.L.)
| | - Ming Li
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China; (M.S.); (Y.H.); (K.Z.); (C.L.); (B.L.); (M.L.); (C.L.)
| | - Chen Lyu
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun 130118, China; (M.S.); (Y.H.); (K.Z.); (C.L.); (B.L.); (M.L.); (C.L.)
| | - Lei Sun
- Liaoning Provincial Mineral Exploration Institute Co., Ltd., Shenyang 110031, China
| | - Shuang Zhong
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China
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3
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Nasari Z, Taherimehr M. Optimization of Visible-Light-Driven Ciprofloxacin Degradation Using a Z-Scheme Semiconductor MgFe 2O 4/UiO-67. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:14357-14373. [PMID: 37766455 DOI: 10.1021/acs.langmuir.3c01692] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/29/2023]
Abstract
A heterogeneous photocatalyst, MgFe2O4/UiO-67 (MU-x), was successfully synthesized by doping magnetic magnesium ferrite nanoparticles (MgFe2O4) with the UiO-67 metal-organic framework at various weight ratios (MgFe2O4: UiO-67 at 30, 50, 70, and 90 wt %). Various techniques, including X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), Fourier transform infrared spectroscopy (FT-IR) , Brunauer-Emmett-Teller (BET), photoluminescence (PL), vibrating sample magnetometry (VSM), electrochemical impedance spectroscopy (EIS), and ultraviolet-visible diffuse reflectance spectroscopy (UV-vis DRS), were used to characterize the prepared photocatalysts. The photocatalytic performance of MU-x in the degradation of ciprofloxacin (CIP) under visible light was assessed. The CIP degradation efficiency was found to increase as the amount of MgFe2O4 in the composite was increased up to 70 wt %. Experimental conditions were optimized using response surface methodology (RSM) based on central composite design (CCD) with three factors: initial pH, catalyst loading, and CIP concentration. Using the obtained model, the optimal conditions were determined as follows: initial pH of 8.025, catalyst loading of 33.8 wt %, and CIP concentration of 10.8 mg/L. Under these optimal conditions, a notable improvement was achieved, with 99.62% of CIP removal achieved within 90 min, surpassing the performance of previously reported photocatalysts. Total organic carbon (TOC) analysis revealed a high degree of mineralization, at 81.25%. The degradation pathway of CIP was investigated based on liquid chromatography-mass spectrometry (LC-MS) analysis. Finally, the values of ECB and EVB of the photocatalyst were determined and the possible degradation mechanism of CIP was investigated based on Mott-Schottky and the applied scavengers. The hydroxyl radical (•OH) was identified as the dominant species in the removal of CIP through a trapping experiment. The photocatalyst with 70 wt % of MgFe2O4 (MU-70) exhibited excellent stability and recoverability with an external magnet, demonstrating 86.33% CIP removal after four cycles. According to the obtained results, MU-70 is a promising visible-light-active photocatalyst with great potential for water treatment applications and convenient recovery.
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Affiliation(s)
- Zoha Nasari
- Department of Chemistry, Faculty of Basic Sciences, Babol Noshirvani University of Technology, Babol 4714871167, Iran
| | - Masoumeh Taherimehr
- Department of Chemistry, Faculty of Basic Sciences, Babol Noshirvani University of Technology, Babol 4714871167, Iran
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Abromaitis V, Svaikauskaite J, Sulciute A, Sinkeviciute D, Zmuidzinaviciene N, Misevicius S, Tichonovas M, Urniezaite I, Jankunaite D, Urbonavicius M, Varnagiris S, Dzingeleviciene R, Baranauskis K, Martuzevicius D. Ozone-enhanced TiO 2 nanotube arrays for the removal of COVID-19 aided antibiotic ciprofloxacin from water: Process implications and toxicological evaluation. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2022; 318:115515. [PMID: 35949077 DOI: 10.1016/j.jenvman.2022.115515] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 05/25/2022] [Accepted: 06/10/2022] [Indexed: 06/15/2023]
Abstract
The purpose of this study was to evaluate the performance of synthesized TiO2 nanotube arrays (NTAs) for the removal of the COVID-19 aided antibiotic ciprofloxacin (CIP) and the textile dye methylene blue (MB) from model wastewater. Synthesis of TiO2 NTAs showed that anodization potential and calcination temperatures directly influence nanotube formation. The increased anodization potential from 10 to 40 V resulted in the development of larger porous nanotubes with a diameter of 36-170 nm, while the collapse of the tubular structure was registered at the highest applied potential. Furthermore, it was found that the 500 °C calcination temperature was the most prominent for the formation of the most photocatalytically active TiO2 NTAs, due to the optimal anatase/rutile ratio of 4.60. The degradation of both model compounds was achieved with all synthesized TiO2 NTAs; however, the most photocatalytically active NTA sample was produced at 30 V and 500 °C. Compared to photocatalysis, CIP degradation was greatly enhanced by 5-25 times when ozone was introduced to the photocatalytic cell (rates 0.4-4.2 × 10-1 min-1 versus 0.07-0.2 × 10-1 min-1). This resulted in the formation of CIP degradation by-products, with different mass-to-charge ratios from [M+H]+ 346 to 273 m/z. Even though the CIP degradation pathway is rather complex, three main mechanisms, decarboxylation, hydroxylation reaction, and piperazine ring cleavage, were proposed and explained. Furthermore, treated samples were placed in contact with the crustaceans Daphnia magna. It was found that 100% mortality was achieved when approximately 60% of the remaining TOC was present in the samples, indicating that toxic degradation by-products were formed.
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Affiliation(s)
- V Abromaitis
- Kaunas University of Technology, Chemical Faculty of Technology, Radvilenu st. 19, LT-50254, Kaunas, Lithuania.
| | - J Svaikauskaite
- Kaunas University of Technology, Chemical Faculty of Technology, Radvilenu st. 19, LT-50254, Kaunas, Lithuania
| | - A Sulciute
- Kaunas University of Technology, Chemical Faculty of Technology, Radvilenu st. 19, LT-50254, Kaunas, Lithuania
| | - D Sinkeviciute
- Kaunas University of Technology, Chemical Faculty of Technology, Radvilenu st. 19, LT-50254, Kaunas, Lithuania
| | - N Zmuidzinaviciene
- Kaunas University of Technology, Chemical Faculty of Technology, Radvilenu st. 19, LT-50254, Kaunas, Lithuania
| | - S Misevicius
- Kaunas University of Technology, Chemical Faculty of Technology, Radvilenu st. 19, LT-50254, Kaunas, Lithuania
| | - M Tichonovas
- Kaunas University of Technology, Chemical Faculty of Technology, Radvilenu st. 19, LT-50254, Kaunas, Lithuania
| | - I Urniezaite
- Kaunas University of Technology, Chemical Faculty of Technology, Radvilenu st. 19, LT-50254, Kaunas, Lithuania
| | - D Jankunaite
- Kaunas University of Technology, Chemical Faculty of Technology, Radvilenu st. 19, LT-50254, Kaunas, Lithuania
| | - M Urbonavicius
- Lithuanian Energy Institute, Breslaujos st. 3, LT-44403, Kaunas, Lithuania
| | - S Varnagiris
- Lithuanian Energy Institute, Breslaujos st. 3, LT-44403, Kaunas, Lithuania
| | - R Dzingeleviciene
- Marine Research Institute, Klaipeda University, Universiteto av. 17, LT-92294, Klaipeda, Lithuania
| | - K Baranauskis
- Marine Research Institute, Klaipeda University, Universiteto av. 17, LT-92294, Klaipeda, Lithuania
| | - D Martuzevicius
- Kaunas University of Technology, Chemical Faculty of Technology, Radvilenu st. 19, LT-50254, Kaunas, Lithuania
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Fan G, Cai C, Yang S, Du B, Luo J, Chen Y, Lin X, Li X, Wang Y. Sonophotocatalytic degradation of ciprofloxacin by Bi2MoO6/FeVO4 heterojunction: Insights into performance, mechanism and pathway. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.122251] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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6
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Soares KL, Sunyer-Caldú A, Barbosa SC, Primel EG, Fillmann G, Diaz Cruz MS. Rapid and cost-effective multiresidue analysis of pharmaceuticals, personal care products, and antifouling booster biocides in marine sediments using matrix solid phase dispersion. CHEMOSPHERE 2021; 267:129085. [PMID: 33321282 DOI: 10.1016/j.chemosphere.2020.129085] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 10/16/2020] [Accepted: 11/19/2020] [Indexed: 06/12/2023]
Abstract
Currently, there are many contaminants of concern that need to be accurately determined to help assess their potential environmental hazard. Despite their increasing interest, yet few environmental occurrence data exist, likely because they are present at low levels and in very complex matrices. Therefore, multiresidue analytical methods for their determination need to be highly sensitive, selective, and robust. Particularly, due to the trace levels of these chemicals in the environment, an extensive extraction procedure is required before determination. This work details the development of a fast and cheap vortex-assisted matrix solid-phase dispersion-high performance liquid chromatography tandem-mass spectrometry (VA-MSPD-HPLC-MS/MS) method for multiresidue determination of 59 contaminants of emerging concern (CECs) including pharmaceuticals, personal care products, and booster biocides, in sediment. The validated method provided high sensitivity (0.42-36.8 ngg-1 dw quantification limits), wide and good linearity (r2 > 0.999), satisfactory accuracy (60-140%), and precision below 20% for most target analytes. In comparison with previous methods, relying on traditional techniques, the proposed method demonstrated to be more environmentally friendly, cheaper, simpler, and faster. The method was applied to monitor the occurrence of these compounds in sediments collected in Brazil, using only 2 g dw sediment samples, free-solid support, and 5 mL methanol as extraction solvent. The UV filter avobenzone, the UV stabilizer and antifreeze methylbenzotriazole, the preservative methylparaben, the fluoroquinolone antibiotic ciprofloxacin, and the biocides irgarol and 4,5-dichloro-2-octyl-4-isothiazolin-3-one were determined at concentrations in the range 1.44-69.7 ngg-1 dw.
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Affiliation(s)
- Karina Lotz Soares
- Instituto de Oceanografia, Universidade Federal Do Rio Grande (IO -FURG), Av. Itália S/n, Campus Carreiros, C.P. 474, 96201-900, Rio Grande, RS, Brazil; PPG Em Oceanologia, Universidade Federal Do Rio Grande (PPGO-FURG), Av. Itália S/n, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil; PPG Em Química Tecnológica e Ambiental, Universidade Federal Do Rio Grande (PPGQTA-FURG), Av. Itália S/n, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Adrià Sunyer-Caldú
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Severo Ochoa Excellence Center. Consejo Superior de Investigaciones Cientificas (CSIC), Jordi Girona 18 - 26, 08034, Barcelona, Spain
| | - Sergiane Caldas Barbosa
- PPG Em Química Tecnológica e Ambiental, Universidade Federal Do Rio Grande (PPGQTA-FURG), Av. Itália S/n, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Ednei Gilberto Primel
- PPG Em Química Tecnológica e Ambiental, Universidade Federal Do Rio Grande (PPGQTA-FURG), Av. Itália S/n, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - Gilberto Fillmann
- Instituto de Oceanografia, Universidade Federal Do Rio Grande (IO -FURG), Av. Itália S/n, Campus Carreiros, C.P. 474, 96201-900, Rio Grande, RS, Brazil; PPG Em Oceanologia, Universidade Federal Do Rio Grande (PPGO-FURG), Av. Itália S/n, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil; PPG Em Química Tecnológica e Ambiental, Universidade Federal Do Rio Grande (PPGQTA-FURG), Av. Itália S/n, Campus Carreiros, 96203-900, Rio Grande, RS, Brazil
| | - M Silvia Diaz Cruz
- Department of Environmental Chemistry, Institute of Environmental Assessment and Water Research (IDAEA), Severo Ochoa Excellence Center. Consejo Superior de Investigaciones Cientificas (CSIC), Jordi Girona 18 - 26, 08034, Barcelona, Spain.
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7
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Barreales-Suárez S, Azoulay S, Bello-López MÁ, Fernández-Torres R. Uptake study in Juncus sp. and Salicornia europaea of six pharmaceuticals by liquid chromatography quadrupole time-of-flight mass spectrometry. CHEMOSPHERE 2021; 266:128995. [PMID: 33288285 DOI: 10.1016/j.chemosphere.2020.128995] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Revised: 11/13/2020] [Accepted: 11/15/2020] [Indexed: 06/12/2023]
Abstract
In this work, eight plants of Juncus sp. and ten of Salicornia europaea were used for an uptake assay of pharmaceuticals (flumequine, cirpofloxacin, enrofloxacin, carbamazepine, diclofenac and ibuprofen) by irrigation at three concentration levels: 10 ng mL-1 (low level); 700 ng mL-1 (medium level) and 10 μg mL-1 (high level). Two plants irrigated with pharmaceutical-free water were set up as controls. For each level, two plants were watered every day with 50 mL (Juncus sp.) and every two days with 20 mL (Salicornia europaea) of aqueous solutions containing all the analytes at the described concentrations. Plants irrigated at 10 μg mL-1 were significantly the most affected, whereas the rest of the plants remained, in general, largely displayed no apparent physiological effects throughout the 30 days (Juncus sp.) and 21 days (Salicornia europaea) assays. Leaves and stems were cut every seven days and roots were collected at the end of the assay. The samples were lyophilized, submitted to a microwave assisted extraction using 5 mL of acetonitrile:water mixture (1:1, v/v) and they were analyzed (in triplicate) in a liquid chromatography-quadrupole time of flight mass spectrometry instrument. Most of the analytes were quantified in many of the samples corresponding to the three exposure levels with the highest concentrations obtained at high exposure levels. Ibuprofen was not detected in any sample and enrofloxacin, ciprofloxacin and diclofenac were not detected in the samples from Salicornia europaea.
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Affiliation(s)
- Sofía Barreales-Suárez
- Departamento Química Analítica, Facultad Química, Universidad Sevilla, C/Prof. García González, S/n, 41012, Sevilla, Spain; Université Côte D'Azur, CNRS, Institut de Chimie de Nice, 28 Avenue Valrose, 06108, Nice, CEDEX 2, France
| | - Stéphane Azoulay
- Université Côte D'Azur, CNRS, Institut de Chimie de Nice, 28 Avenue Valrose, 06108, Nice, CEDEX 2, France
| | - Miguel Ángel Bello-López
- Departamento Química Analítica, Facultad Química, Universidad Sevilla, C/Prof. García González, S/n, 41012, Sevilla, Spain
| | - Rut Fernández-Torres
- Departamento Química Analítica, Facultad Química, Universidad Sevilla, C/Prof. García González, S/n, 41012, Sevilla, Spain.
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8
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Sciscenko I, Thị Mỹ Hắng H, Escudero-Oñate C, Oller I, Arques A. Fluorescence Spectroscopy and Chemometrics: A Simple and Easy Way for the Monitoring of Fluoroquinolone Mixture Degradation. ACS OMEGA 2021; 6:4663-4671. [PMID: 33644573 PMCID: PMC7905809 DOI: 10.1021/acsomega.0c05370] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 12/11/2020] [Indexed: 05/14/2023]
Abstract
In this work, fluorescence excitation-emission matrices (EEMs), in combination with the chemometric tool and parallel factor analysis (PARAFAC), have been proposed as an unexplored methodology to follow the removal of the fluorescent contaminants of emerging concern, fluoroquinolones (FQs). Ofloxacin, enrofloxacin, and sarafloxacin were degraded by different advanced oxidation processes employing simulated sunlight (hν): photolysis, H2O2/hν, and photo-Fenton. All experiments were performed in ultrapure water at three different pH values: 2.8, 5.0, and 7.0. With the obvious advantage of multivariate analysis methods, EEM-PARAFAC allowed the monitoring of degradation from the overall substances (original and formed ones) through simultaneous, rapid, and cost-efficient fluorescence spectroscopy determinations. A five-component model was found to best fit the experimental data, allowing us to (i) describe the decay of the fluorescence signals of the three parent pollutants, (ii) follow the kinetics profile of FQ-like byproducts with similar EEM fingerprints than the original FQs, and (iii) observe the formation of two families of reaction intermediates with completely different EEMs. Results were finally correlated with high pressure liquid chromatography, total organic carbon, and toxicity tests on Escherichia coli, showing good agreement with all the studied techniques.
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Affiliation(s)
- Iván Sciscenko
- Departamento
de Ingeniería Textil y Papelera, Universitat Politècnica de València (UPV), 46022 Valencia, Spain
| | | | | | - Isabel Oller
- Plataforma
Solar de Almería-CIEMAT, 04200 Tabernas, Spain
| | - Antonio Arques
- Departamento
de Ingeniería Textil y Papelera, Universitat Politècnica de València (UPV), 46022 Valencia, Spain
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9
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Akbari S, Moussavi G, Giannakis S. Efficient photocatalytic degradation of ciprofloxacin under UVA-LED, using S,N-doped MgO nanoparticles: Synthesis, parametrization and mechanistic interpretation. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.114831] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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10
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Zhu M, Wang Z, Chen J, Xie H, Zhao H, Yuan X. Bioaccumulation, Biotransformation, and Multicompartmental Toxicokinetic Model of Antibiotics in Sea Cucumber ( Apostichopus japonicus). ENVIRONMENTAL SCIENCE & TECHNOLOGY 2020; 54:13175-13185. [PMID: 32985863 DOI: 10.1021/acs.est.0c04421] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Extensive application of antibiotics leads to their ubiquitous occurrence in coastal aquatic environments. However, it remains largely unknown whether antibiotics can be bioaccumulated and biotransformed in major mariculture organisms such as sea cucumbers and toxicokinetic models for Echinodermata are lacking. In this study, laboratory exposure experiments on juvenile sea cucumber (Apostichopus japonicus) were performed for seven antibiotics (sulfadiazine, sulfamethoxazole, trimethoprim, enrofloxacin, ofloxacin, clarithromycin, and azithromycin). Field sea cucumber and surrounding seawater samples were also analyzed. Results show that the sea cucumbers tend to accumulate high concentrations of the antibiotics with kinetic bioconcentration factors (BCFs) up to 1719.7 L·kg-1 for ofloxacin. The BCFs determined in the laboratory agree well with those estimated from the field measurements. Seven biotransformation products (BTPs) of the antibiotics were identified, four of which were not reported previously in aquatic organisms. The BTPs were mainly found in the digestive tract, indicating its high capacity in the biotransformation. A multicompartmental toxicokinetic model based on the principles of passive diffusion was developed, which can successfully predict time-course concentrations of the antibiotics in different compartments of the juvenile sea cucumbers. The findings may offer a scientific basis for assessing health risks and guiding healthy mariculture of sea cucumbers.
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Affiliation(s)
- Minghua Zhu
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Zhongyu Wang
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Jingwen Chen
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Huaijun Xie
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Hongxia Zhao
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education), School of Environmental Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Xiutang Yuan
- National Marine Environmental Monitoring Center, Ministry of Ecology and Environment, Dalian 116023, China
- Key Laboratory of Coastal Biology and Bioresource Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai 264003, China
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11
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Alonso JJS, El Kori N, Melián-Martel N, Del Río-Gamero B. Removal of ciprofloxacin from seawater by reverse osmosis. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2018; 217:337-345. [PMID: 29621700 DOI: 10.1016/j.jenvman.2018.03.108] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 03/20/2018] [Accepted: 03/25/2018] [Indexed: 06/08/2023]
Abstract
Much of the deterioration of water resources is anthropogenically caused as a consequence of the incessant production of chemical compounds to obtain the quality of life that society demands today. This constant presence and harmful accumulation of these pollutants in different ecosystems have seen them emerge as a major concern both for human health and for environmental safety. Scientific advances have succeeded in legislating against, reducing and even eliminating priority pollutants, while new technologies are being constantly developed to identify and treat newly emerging pollutants. The objective of this work is the evaluation of the seawater reverse osmosis membrane as a method for the removal of an antibiotic present in seawater. The novelty of the study is that the tests were undertaken using water of high ionic strength. A critical selection of the antibiotic to be used in the study was carried out. The experiments were performed under constant pressure conditions, employing synthetic seawater in a pilot-scale unit with a commercial spiral-wound reverse osmosis membrane. Results are shown in terms of selectivity of the reverse osmosis process for antibiotic removal. The RO membrane element successfully reject most of the ciprofloxacin (removal rate >90%), with maximum rejection value of 99.96%.
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Affiliation(s)
- J Jaime Sadhwani Alonso
- Department of Process Engineering, University of Las Palmas de Gran Canaria, Campus de Tafira Baja, 35017, Las Palmas de Gran Canaria, Spain
| | - Nenna El Kori
- Department of Process Engineering, University of Las Palmas de Gran Canaria, Campus de Tafira Baja, 35017, Las Palmas de Gran Canaria, Spain
| | - N Melián-Martel
- Department of Process Engineering, University of Las Palmas de Gran Canaria, Campus de Tafira Baja, 35017, Las Palmas de Gran Canaria, Spain
| | - B Del Río-Gamero
- Department of Process Engineering, University of Las Palmas de Gran Canaria, Campus de Tafira Baja, 35017, Las Palmas de Gran Canaria, Spain.
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