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Schierscher T, Salzmann L, Singh N, Bachmann M, Bauland F, Geistanger A, Risch L, Geletneky C, Seger C, Taibon J. An isotope dilution-liquid chromatography-tandem mass spectrometry (ID-LC-MS/MS)-based candidate reference measurement procedure for the quantification of carbamazepine in human serum and plasma. Clin Chem Lab Med 2024; 62:1301-1313. [PMID: 38095314 DOI: 10.1515/cclm-2023-0943] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 11/14/2023] [Indexed: 05/30/2024]
Abstract
OBJECTIVES An isotope dilution liquid chromatography-tandem mass spectrometry (ID-LC-MS/MS)-based candidate reference measurement procedure (RMP) was developed and validated to accurately measure serum and plasma concentrations of carbamazepine. METHODS Quantitative nuclear magnetic resonance (qNMR) spectroscopy was used to determine the absolute content of the reference material, ensuring its traceability to SI units. The separation of carbamazepine from potential interferences, whether known or unknown, was achieved using a C18 column. A protein precipitation protocol followed by a high dilution step was established for sample preparation. Assay validation and determination of measurement uncertainty were performed in accordance with the guidelines of the Clinical and Laboratory Standards Institute, the International Conference on Harmonization (ICH), and the Guide to the Expression of Uncertainty in Measurement (GUM). In order to demonstrate equivalence to the already existing RMP a method comparison study was performed. RESULTS The RMP was proven to be highly selective and specific with no evidence of a matrix effect, allowing for quantification of carbamazepine within the range of 0.800-18.0 μg/mL. Intermediate precision and repeatability (n=60 measurements) was found to be <1.6 % and <1.3 % over all concentration levels and independent from the matrix. The relative mean bias ranged from -0.1 to 0.6 % for native serum and from -0.3 to -0.1 % for Li-heparin plasma levels. The measurement uncertainties for single measurements and target value assignment were found to be <1.8 % and <1.3 %, respectively. Method comparison showed a good agreement between the Joint Committee of Traceability in Laboratory Medicine (JCTLM) listed RMP and the candidate RMP resulting in a Passing-Bablok regression equation with a slope of 1.01 and an intercept of -0.01. The bias in the patient cohort was found to be 0.9 %. CONCLUSIONS We present a novel LC-MS/MS-based candidate RMP for carbamazepine in human serum and plasma which provides a traceable and reliable platform for the standardization of routine assays and evaluation of clinically relevant samples.
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Fernández-López C, González García M, Bueno-Crespo A, Martínez-España R. Biodegradation behaviour of pharmaceutical compounds and selected metabolites in activated sludge. A forecasting decision system approach. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2024; 22:229-243. [PMID: 38887771 PMCID: PMC11180058 DOI: 10.1007/s40201-023-00890-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 12/11/2023] [Indexed: 06/20/2024]
Abstract
Society's support upon chemicals over the last few decades has led to their increased production, application and discharge into the environment. Wastewater treatment plants (WWTPs) contain a multitude of these chemicals such us; pharmaceutical compounds (PCs). Often, their biodegradability by activated sludge microorganisms is significant for their elimination during wastewater treatment. In this paper the focus is laid on two PCs carbamazepine (CBZ) and diclofenac (DCF) and their main transformation products (TPs). Laboratory degradation tests with these two pharmaceuticals using activated sludge as inoculum under aerobic conditions were performed and microbial metabolites were analyzed by liquid chromatography-mass spectrometry (LC/MS-MS). In two different Mixed liquid Suspended Solids (MLSS) concentrations the biodegradability by activated sludge of CBZ and DCF were evaluated. Also, this article proposes a decision support system to optimize the prediction process of this type of pharmacological compounds. A study and analysis of the techniques of Support Vector Machine, Random Forest, Decision Trees and Multilayer Perceptron Network is carried out to select the most reliable and accurate predictor for the decision system. There are not significant differences in the removal of DCF with 30 mg MLSS/L and 60 mg MLSS/L. DCF was better removed than CBZ in all experiments studied. The TP detected in the samples were mainly 4-OH-DCF for DCF and 10, 11 EPOXICBZ for CBZ. The results show that the best models are obtained with Random Forest and Multilayer Perceptron Network techniques, with a model fit of more than 95% for both carbamazepine and diclofenac metabolites. Obtaining a root means square errors of 0.80 µg/L for the metabolite 4-OH-DCF for DCF with the technique Random Forest and a root means square errors of 1.13 µg/L for the metabolite 10, 11 EPOXICBZ for CBZ with the Multilayer Perceptron Network technique. Supplementary Information The online version contains supplementary material available at 10.1007/s40201-023-00890-x.
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Affiliation(s)
- Carmen Fernández-López
- Centro Universitario de la Defensa, Universidad Politécnica de Cartagena, Santiago de la Ribera, Murcia, Spain
| | - Mariano González García
- Universidad Internacional de La Rioja, Avenida de la Paz, 137, 26006 Logroño, La Rioja Spain
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Gwanzura E, Ramjugernath D, Iwarere SA. Removal efficiency and energy consumption optimization for carbamazepine degradation in wastewater by electrohydraulic discharge. WATER ENVIRONMENT RESEARCH : A RESEARCH PUBLICATION OF THE WATER ENVIRONMENT FEDERATION 2023; 95:e10915. [PMID: 37495208 DOI: 10.1002/wer.10915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 07/13/2023] [Accepted: 07/23/2023] [Indexed: 07/28/2023]
Abstract
OBJECTIVE The treatment of recalcitrant emerging pollutants is a major concern in wastewater treatment. The purpose of this study was the optimization of emerging recalcitrant pollutant degradation using carbamazepine as a representative pollutant. Investigations of the carbamazepine degradation in wastewater was carried out by manipulating discharge current, air flow rate, and initial concentration to maximize removal efficiency and minimize energy consumption. METHOD The study utilized a three-factor at two levels factorial design with randomized central runs. Discharge current, air flow rate, and initial concentration were the independent variables while to maximize removal efficiency and minimize energy consumption were the response variables. Analysis of variance (ANOVA) was performed on the data. RESULTS Discharge current, air flow rate, and initial concentration significantly impacted the removal efficiency to different degrees. However, for energy consumption, only current and air flow rate were the significant variables. The highest removal efficiency obtained was 93% ± 4% for 10 and 40 mg/L initial carbamazepine concentration after 10 min of plasma treatment at a current of 0.45 A and no air flow rate. CONCLUSION The plasma reactor demonstrated the capability to treat high cyclic organic chemical contaminant concentration in wastewater with possible applications in preconcentrated wastewater remediation. However, there is still room for reactor design optimization. One key area of focus is reducing treatment cost, which may be achieved theoretically, pending further experimental investigation, by introducing an alternating current power supply, which can reduce energy consumption by 50%-60%. PRACTITIONER POINTS Discharge current, air flow rate, and initial concentration all influenced the removal efficiency of carbamazepine. For energy consumption, only current and air flow rate were significant variables. Higher currents result in an improved highly reactive species and UV generation. Treatment cost per m3 for the plasma reactor is higher than established technologies. The plasma reactor in the study still requires significant optimization.
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Affiliation(s)
- E Gwanzura
- Discipline of Chemical Engineering, School of Engineering, University of KwaZulu-Natal, Durban, South Africa
| | - D Ramjugernath
- Discipline of Chemical Engineering, School of Engineering, University of KwaZulu-Natal, Durban, South Africa
| | - S A Iwarere
- Discipline of Chemical Engineering, School of Engineering, University of KwaZulu-Natal, Durban, South Africa
- Department of Chemical Engineering, Faculty of Engineering, Built Environment and Information Technology, University of Pretoria, Pretoria, South Africa
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Wang Y, Huang Y, Gou G, Li N, Li L, He Y, Liu C, Lai B, Sun H. Dispersed cobalt embedded nitrogen-rich carbon framework activates peroxymonosulfate for carbamazepine degradation: cobalt leaching restriction and mechanism investigation. CHEMOSPHERE 2023; 321:138026. [PMID: 36731671 DOI: 10.1016/j.chemosphere.2023.138026] [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: 11/30/2022] [Revised: 01/19/2023] [Accepted: 01/29/2023] [Indexed: 06/18/2023]
Abstract
Metal leaching is a key issue in cobalt-based catalysts/PMS systems, which results in the decline of catalytic ability and serious secondary pollution. Hence, a nitrogen-rich carbon framework with cobalt node (Co-NC-920) with low cobalt leaching was synthesized based on zeolite imidazole framework (ZIF) and g-C3N4 to activate peroxymonosulfate (PMS) for the degradation of carbamazepine (CBZ). With the restriction of nitrogen-rich carbon framework, cobalt can disperse better and form stable cobalt-nitrogen bonds, thus only 0.09 mg/L cobalt ions were leached in the solution. More than 99.9% of CBZ can be removed within 30 min of PMS addition. Further investigation revealed that 1O2, SO4•- and high-valent cobalt species were primarily responsible for CBZ degradation in the Co-NC-920/PMS system and different reactive oxygen species (ROS) were distinguished and quantified, finding 1O2 was predominant. The degradation process was realized by the coexistence of free radicals and non-free radicals. Moreover, CBZ degradation capacity of the catalyst was evaluated under the influence of common anions and in actual waterbody. Finally, the possible degradation pathways of CBZ were proposed and the toxicity of the intermediates was analyzed. This work provides a new approach for the synthesis of cobalt-based nitrogen-rich carbon catalysts with low leaching and high efficient.
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Affiliation(s)
- Yuesen Wang
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resource & Hydropower, Sichuan University, Chengdu, 610065, China
| | - Yanchun Huang
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resource & Hydropower, Sichuan University, Chengdu, 610065, China
| | - Ge Gou
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resource & Hydropower, Sichuan University, Chengdu, 610065, China
| | - Naiwen Li
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resource & Hydropower, Sichuan University, Chengdu, 610065, China
| | - Longguo Li
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resource & Hydropower, Sichuan University, Chengdu, 610065, China
| | - Yuxin He
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resource & Hydropower, Sichuan University, Chengdu, 610065, China
| | - Chao Liu
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resource & Hydropower, Sichuan University, Chengdu, 610065, China
| | - Bo Lai
- Department of Environmental Science and Engineering, School of Architecture and Environment, Sichuan University, Chengdu, 610065, China; Sino-German Centre for Water and Health Research, Sichuan University, Chengdu, 610065, China
| | - Hailong Sun
- State Key Laboratory of Hydraulics and Mountain River Engineering, College of Water Resource & Hydropower, Sichuan University, Chengdu, 610065, China.
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Application of a Small Protein-Coated Column to Trap, Extract and Enrich Carbamazepine Directly from Human Serum for Direct Chromatographic Analysis. SEPARATIONS 2023. [DOI: 10.3390/separations10020071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
An automated solid phase extraction (SPE) protocol to determine carbamazepine in human serum has been developed and validated using a simple, rabid and sensitive liquid chromatography-based bio-analytical method. Extraction of carbamazepine was carried out using an on-line SPE tool of a short protein-coated (PC) ODS silica pre-column (PC-ODS-pre-column) and phosphate buffer saline (PBS) with a pH of 7.4 as an extraction solvent. There are two distinct chromatographic modes used by PC-ODS-pre-column. While carbamazepine trapping required reversed-phase liquid chromatography, proteins were extracted from serum samples using PBS by size-exclusion liquid chromatography. Then, carbamazepine was eluted from the PC-ODS-pre-column onto the quantification position using a mixture of methanol-distilled deionized water (50:50, v/v) as an eluent and ODS analytical column. At room temperature (22 ± 1 °C), carbamazepine was completely separated from the co-eluted matrix components and detected at 230 nm. Carbamazepine’s linearity was obtained at concentrations ranging from 50 to 10,000 ng/mL. With good accuracy and precision, carbamazepine recoveries in serum samples ranged from 86.14 to 97.82%. The extraction step was conducted using PBS as a safe and green extraction solvent, making this protocol both cost-effective and ecologically safe.
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Ángel de la Serna Calleja M, Bolado S, José Jiménez J, López-Serna R. Performance critical comparison of offline SPE, online SPE, and direct injection for the determination of CECs in complex liquid environmental matrices. Microchem J 2023. [DOI: 10.1016/j.microc.2023.108395] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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Dao KC, Tsai YP, Yang CC, Chen KF. Simultaneous Carbamazepine and Phosphate Removal from a Moving-Bed Membrane Bioreactor Effluent by the Electrochemical Process: Treatment Optimization by Factorial Design. MEMBRANES 2022; 12:1256. [PMID: 36557163 PMCID: PMC9781923 DOI: 10.3390/membranes12121256] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Revised: 12/04/2022] [Accepted: 12/08/2022] [Indexed: 06/17/2023]
Abstract
Pharmaceutical and personal care products are frequently used in various fields and released into water bodies from the outlets of wastewater treatment plants. These products can harm the environment and human health even at low concentrations. Carbamazepine (CBZ), the most persistent pharmaceutical, has frequently been found in surface waters that bypassed the secondary treatments of conventional activated sludge. In addition, the treatment of phosphate in wastewater by the electrochemical process has recently attracted much attention because of its ability to remove, recover, and prevent environmental problems associated with eutrophication. This study proposes using the electrochemical process as an advanced oxidation process to simultaneously treat CBZ and phosphate from the moving-bed membrane bioreactor effluent. The study includes a long-term survey of CBZ treatment efficiency and common parameters of synthetic wastewater in the moving-bed membrane bioreactor system. Afterward, the electrochemical process is applied as an advanced oxidation process for the simultaneous removal of CBZ and phosphate from the moving-bed membrane bioreactor. Under the investigated conditions, CBZ has proven not to be an inhibitor of microbial activity, as evidenced by the high extent of chemical oxygen demand and nutrient removal. Using a factorial design, the electrochemical process using Pt/Ti as anode and cathode under optimal conditions (reaction time-80 min, bias potential-3 V, and electrode distance-1 cm) resulted in as high as 56.94% CBZ and 95.95% phosphate removal, respectively. The results demonstrated the ability to combine an electrochemical and a moving-bed membrane bioreactor process to simultaneously remove CBZ and phosphate in wastewater.
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Affiliation(s)
- Khanh-Chau Dao
- Department of Civil Engineering, National Chi Nan University, Nantou Hsien 54561, Taiwan
- Department of Health, Dong Nai Technology University, Bien Hoa 810000, Dong Nai, Vietnam
| | - Yung-Pin Tsai
- Department of Civil Engineering, National Chi Nan University, Nantou Hsien 54561, Taiwan
| | - Chih-Chi Yang
- Department of Civil Engineering, National Chi Nan University, Nantou Hsien 54561, Taiwan
| | - Ku-Fan Chen
- Department of Civil Engineering, National Chi Nan University, Nantou Hsien 54561, Taiwan
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Structural, Optical and Photocatalytic Properties of Mn Doped ZnO Nanoparticles Used as Photocatalysts for Azo-Dye Degradation under Visible Light. Catalysts 2022. [DOI: 10.3390/catal12111382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Doping ZnO with appropriate foreign metal and/or non-metal ions is one of the most promising ways to improve both the extension of ZnO photosensitization to the visible region and the separation of charge carriers. Herein, Mn-doped ZnO nanoparticles were synthesized using a precipitation method. The effect of the Mn amount on the physico-chemical properties of these nanomaterials was investigated using X-ray diffraction, Fourier-transform infrared spectroscopy, UV–visible diffuse reflectance spectroscopy, photoluminescence spectroscopy and scanning electron microscopy coupled with energy dispersive X-ray spectroscopy. The photocatalytic properties of the synthesized nanomaterials were assessed through methyl orange (MO) under visible light. The obtained results showed that the structural and optical properties of the synthesized Mn-ZnO nanomaterials depended greatly on the Mn amount. It was found that the substitution of Zn2+ by Mn2+/Mn3+ within the lattice of ZnO occurred. The photocatalytic experiments revealed that the sample containing 10 wt% exhibited the best MO conversion. For this sample, the discoloration reached 96%, while the chemical oxygen demand reached 1% after 820 min of visible illumination. The enhanced photocatalytic activity was attributed to the efficient separation of charge carriers. The active species quenching experiments showed that the holes are the main active species in MO degradation under visible light in the presence of 10%Mn-ZnO.
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Removal of Amoxicillin from Aqueous Media by Fenton-like Sonolysis/H2O2 Process Using Zero-Valent Iron Nanoparticles. Molecules 2022; 27:molecules27196308. [PMID: 36234843 PMCID: PMC9573736 DOI: 10.3390/molecules27196308] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Revised: 09/08/2022] [Accepted: 09/20/2022] [Indexed: 12/07/2022] Open
Abstract
High concentrations of antibiotics have been identified in aqueous media, which has diminished the quality of water resources. These compounds are usually highly toxic and have low biodegradability, and there have been reports about their mutagenic or carcinogenic effects. The aim of this study was to apply zero-valent iron-oxide nanoparticles in the presence of hydrogen peroxide and the sonolysis process for the removal of the amoxicillin antibiotic from aqueous media. In this study, zero-valent iron nanoparticles were prepared by an iron chloride reduction method in the presence of sodium borohydride (NaBH4), and the obtained nanoparticles were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray diffraction (XRD), and vibrating-sample magnetometry (VSM). Then, using a Fenton-like process, synthetic wastewater containing 100 to 500 mg/L amoxicillin antibiotic was investigated, and the effects of different parameters, such as the frequency (1 and 2 kHz), contact time (15 to 120 min), the concentration of hydrogen peroxide (0.3%, 0.5%, and 6%), the dose of zero-valent iron nanoparticles (0.05, 0.1, 0.5 g/L), and pH (3, 5, 10) were thoroughly studied. A pH of 3, hydrogen peroxide concentration of 3%, ultrasonic-wave frequency of 130 kHz, zero-valent iron nanoparticles of 0.5 g/L, and contaminant concentration of 100 mg/L were obtained as the optimal conditions of the combined US/H2O2/nZVI process. Under the optimal conditions of the combined process of zero-valent iron nanoparticles and hydrogen peroxide in the presence of ultrasonic waves, a 99.7% removal efficiency of amoxicillin was achieved in 120 min. The results show that the combined US/H2O2/nZVI process could be successfully used to remove environmental contaminants, including antibiotics such as amoxicillin, with a high removal percentage.
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Duan L, Zhang Y, Wang B, Yu G, Gao J, Cagnetta G, Huang C, Zhai N. Wastewater surveillance for 168 pharmaceuticals and metabolites in a WWTP: Occurrence, temporal variations and feasibility of metabolic biomarkers for intake estimation. WATER RESEARCH 2022; 216:118321. [PMID: 35339048 DOI: 10.1016/j.watres.2022.118321] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Revised: 03/10/2022] [Accepted: 03/15/2022] [Indexed: 06/14/2023]
Abstract
Wastewater-based epidemiology (WBE) is amply used for mining information about public health such as the estimation of consumption/intake of certain substances. Yet, proper biomarker selection is critical to obtain reliable data. This study measured a broad range of pharmaceuticals and metabolites in a wastewater treatment plant in Beijing, China, and evaluated their suitability as consumption estimation biomarkers. Wastewater sampling was conducted during a normal week and two holiday weeks to assess the impact of the holiday on population normalized daily mass loads (PNDLs). One hundred and forty-nine out of 168 pharmaceuticals were detected, with 94 analytes being quantified in all sampling events. Moreover, digestive drug cimetidine (<MDL∼672 ng L - 1) and anabolic steroid trenbolone (<MDL∼53 ng L - 1) were only detected during holiday weeks. PNDLs of some substances showed disparities between weekdays and weekends during the normal week. This study proposed a framework to diagnose whether a parent compound or its metabolite is suitable for intake/prevalence rate estimation. Our results support that not all the metabolites can be employed as biomarkers for back-calculation when the in-sewer stability of these compounds is unclear, such as metoprolol acid and O-desmethyl venlafaxine. Public healthcare data for drug utilization were applied to validate the prevalence of average substance use in this study. As a popular anti-epileptic ranging from hundreds to thousands of ng L - 1 in this study, the parent compound levetiracetam is more appropriate to be used in WBE under our framework, referring to public healthcare data. This WBE study illustrates the changes in pharmaceutical use and population lifestyle that stem from holidays and commutes. In addition, it can provide data support for the selection of more suitable biomarkers in WBE studies.
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Affiliation(s)
- Lei Duan
- Beijing Laboratory of Environmental Frontier Technology, Beijing Key Laboratory of Emerging Organic Contaminants Control, School of Environment, Tsinghua University, Beijing 100084, China; Research Institute for Environmental Innovation (Suzhou), Tsinghua, Suzhou 215163, China
| | - Yizhe Zhang
- Beijing Laboratory of Environmental Frontier Technology, Beijing Key Laboratory of Emerging Organic Contaminants Control, School of Environment, Tsinghua University, Beijing 100084, China; Research Institute for Environmental Innovation (Suzhou), Tsinghua, Suzhou 215163, China
| | - Bin Wang
- Beijing Laboratory of Environmental Frontier Technology, Beijing Key Laboratory of Emerging Organic Contaminants Control, School of Environment, Tsinghua University, Beijing 100084, China; Research Institute for Environmental Innovation (Suzhou), Tsinghua, Suzhou 215163, China.
| | - Gang Yu
- Beijing Laboratory of Environmental Frontier Technology, Beijing Key Laboratory of Emerging Organic Contaminants Control, School of Environment, Tsinghua University, Beijing 100084, China; Research Institute for Environmental Innovation (Suzhou), Tsinghua, Suzhou 215163, China
| | - Jianfa Gao
- College of Chemistry and Environmental Engineering, Shenzhen University, 1066 Xueyuan Avenue, Shenzhen 518060, China
| | - Giovanni Cagnetta
- Beijing Laboratory of Environmental Frontier Technology, Beijing Key Laboratory of Emerging Organic Contaminants Control, School of Environment, Tsinghua University, Beijing 100084, China
| | - Cunrui Huang
- Vanke School of Public Health, Tsinghua University, Beijing 100084, China
| | - Nannan Zhai
- Shanghai Sciex Analytical Instrument Trading Co., Ltd Beijing Branch Company, Beijing 100015, China
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Dao KC, Yang CC, Chen KF, Tsai YP. Effect of Operational Parameters on the Removal of Carbamazepine and Nutrients in a Submerged Ceramic Membrane Bioreactor. MEMBRANES 2022; 12:membranes12040420. [PMID: 35448390 PMCID: PMC9030045 DOI: 10.3390/membranes12040420] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 04/05/2022] [Accepted: 04/07/2022] [Indexed: 11/16/2022]
Abstract
Pharmaceuticals and personal care products have raised significant concerns because of their extensive use, presence in aquatic environments, and potential impacts on wildlife and humans. Carbamazepine was the most frequently detected pharmaceutical residue among pharmaceuticals and personal care products. Nevertheless, the low removal efficiency of carbamazepine by conventional wastewater treatment plants was due to resistance to biodegradation at low concentrations. A membrane bioreactor (MBR) has recently attracted attention as a new separation process for wastewater treatment in cities and industries because of its effectiveness in separating pollutants and its tolerance to high or shock loadings. In the current research, the main and interaction effects of three operating parameters, including hydraulic retention time (12-24 h), dissolved oxygen (1.5-5.5 mg/L), and sludge retention time (5-15 days), on removing carbamazepine, chemical oxygen demand, ammonia nitrogen, and phosphorus using ceramic membranes was investigated by applying a two-level full-factorial design analysis. Optimum dissolved oxygen, hydraulic retention time, and sludge retention time were 1.7 mg/L, 24 h, and 5 days, respectively. The research results showed the applicability of the MBR to wastewater treatment with a high carbamazepine loading rate and the removal of nutrients.
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Affiliation(s)
- Khanh-Chau Dao
- Department of Civil Engineering, National Chi Nan University, Nantou Hsien 54561, Taiwan; (K.-C.D.); (C.-C.Y.); (K.-F.C.)
- Department of Health, Dong Nai Technology University, Bien Hoa 810000, Dong Nai, Vietnam
| | - Chih-Chi Yang
- Department of Civil Engineering, National Chi Nan University, Nantou Hsien 54561, Taiwan; (K.-C.D.); (C.-C.Y.); (K.-F.C.)
| | - Ku-Fan Chen
- Department of Civil Engineering, National Chi Nan University, Nantou Hsien 54561, Taiwan; (K.-C.D.); (C.-C.Y.); (K.-F.C.)
| | - Yung-Pin Tsai
- Department of Civil Engineering, National Chi Nan University, Nantou Hsien 54561, Taiwan; (K.-C.D.); (C.-C.Y.); (K.-F.C.)
- Correspondence: ; Tel.: +886-49-2910960 (ext. 4121)
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Johannessen C, Helm P, Metcalfe CD. Runoff of the Tire-Wear Compound, Hexamethoxymethyl-Melamine into Urban Watersheds. ARCHIVES OF ENVIRONMENTAL CONTAMINATION AND TOXICOLOGY 2022; 82:162-170. [PMID: 33515272 PMCID: PMC7846915 DOI: 10.1007/s00244-021-00815-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 01/08/2021] [Indexed: 05/26/2023]
Abstract
Hexamethoxymethyl-melamine (HMMM) is used as a crosslinking agent in resins and plastics and in the manufacture of tires. In the present study, surface water samples were collected from two rivers adjacent to high traffic highways in the Greater Toronto Area in Ontario, Canada. Composite samples collected from the Don River and Highland Creek during rain events and a period of rapid snowmelt were preconcentrated using solid phase extraction and analyzed using liquid chromatography with high-resolution mass spectrometry. Elevated concentrations (> 1 µg/L) of HMMM were detected in surface waters during rain events in October of 2019 and during snow melt in early March of 2020. There were lower average concentrations of HMMM detected during rain events in the winter and spring of 2020. Temporal profiles of changes in the concentrations of HMMM in composite samples collected every 3 h during a rain event in October 2019 closely corresponded to the hydrograph profiles at the sampling sites, with the HMMM concentrations peaking > 6 h after the peak in water levels. This work contributes to the literature showing that HMMM is a ubiquitous contaminant of urban watersheds and that runoff from roads is a vector for the transport of this compound into urban surface waters.
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Affiliation(s)
| | - Paul Helm
- Ontario Ministry of Environment, Conservation and Parks, Toronto, ON, Canada
| | - Chris D Metcalfe
- Water Quality Center, Trent University, Peterborough, ON, Canada
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Transformation Products of Emerging Pollutants Explored Using Non-Target Screening: Perspective in the Transformation Pathway and Toxicity Mechanism—A Review. TOXICS 2022; 10:toxics10020054. [PMID: 35202240 PMCID: PMC8874687 DOI: 10.3390/toxics10020054] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/15/2022] [Accepted: 01/17/2022] [Indexed: 11/23/2022]
Abstract
The scientific community has increasingly focused on forming transformation products (TPs) from environmental organic pollutants. However, there is still a lot of discussion over how these TPs are generated and how harmful they are to living terrestrial or aquatic organisms. Potential transformation pathways, TP toxicity, and their mechanisms require more investigation. Non-target screening (NTS) via high-resolution mass spectrometry (HRMS) in model organisms to identify TPs and the formation mechanism on various organisms is the focus of this review. Furthermore, uptake, accumulation process, and potential toxicity with their detrimental consequences are summarized in various organisms. Finally, challenges and future research initiatives, such as performing NTS in a model organism, characterizing and quantifying TPs, and evaluating future toxicity studies on TPs, are also included in this review.
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Chen N, Yuan Y, Lu P, Wang L, Zhang X, Chen H, Ma P. Detection of carbamazepine in saliva based on surface-enhanced Raman spectroscopy. BIOMEDICAL OPTICS EXPRESS 2021; 12:7673-7688. [PMID: 35003859 PMCID: PMC8713680 DOI: 10.1364/boe.440939] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 10/18/2021] [Accepted: 10/20/2021] [Indexed: 06/12/2023]
Abstract
Carbamazepine (CBZ) is a commonly used drug for the treatment of epilepsy. Due to the narrow effective range, CBZ concentration was usually monitored with blood draw from patients. Frequent blood draw is inconvenient and causes physical and psychological pain. Therefore, highly-sensitive, rapid, label-free, and non-invasive drug detection methods can be alternatives to bring a relief. In this work, we have proposed a method for the non-invasive detection of CBZ using surface-enhanced Raman spectroscopy (SERS). Gold-silver core-shell nanomaterial substrates were prepared and optimized. Salivary CBZ concentration was measured with SERS as a non-invasive alternative to blood draw. The results showed that there was a linear relationship between SERS response and CBZ concentration in the entire measured range of 10-1 ∼ 10-8 mol/L. The detection limit of this method was 1.26 × 10-9 mol/L. Satisfactory repeatability and stability were also demonstrated. Due to its high sensitivity and ease of operation, the proposed method can serve as an alternative to blood draw for non-invasively monitoring CBZ concentration. It also has great potentials in many other applications of biomedical sciences.
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Affiliation(s)
- Ning Chen
- Key Laboratory of Optical Technology and
Instrument for Medicine, Ministry of Education, College of
Optical-Electrical and Computer Engineering, University
of Shanghai for Science and Technology, Shanghai 200093,
China
| | - Yanbing Yuan
- Key Laboratory of Optical Technology and
Instrument for Medicine, Ministry of Education, College of
Optical-Electrical and Computer Engineering, University
of Shanghai for Science and Technology, Shanghai 200093,
China
| | - Ping Lu
- Key Laboratory of Optical Technology and
Instrument for Medicine, Ministry of Education, College of
Optical-Electrical and Computer Engineering, University
of Shanghai for Science and Technology, Shanghai 200093,
China
| | - Luyao Wang
- Key Laboratory of Optical Technology and
Instrument for Medicine, Ministry of Education, College of
Optical-Electrical and Computer Engineering, University
of Shanghai for Science and Technology, Shanghai 200093,
China
| | - Xuedian Zhang
- Key Laboratory of Optical Technology and
Instrument for Medicine, Ministry of Education, College of
Optical-Electrical and Computer Engineering, University
of Shanghai for Science and Technology, Shanghai 200093,
China
- Shanghai Institute of Intelligent Science
and Technology, Tongji University, Shanghai
200092, China
| | - Hui Chen
- Key Laboratory of Optical Technology and
Instrument for Medicine, Ministry of Education, College of
Optical-Electrical and Computer Engineering, University
of Shanghai for Science and Technology, Shanghai 200093,
China
| | - Pei Ma
- Key Laboratory of Optical Technology and
Instrument for Medicine, Ministry of Education, College of
Optical-Electrical and Computer Engineering, University
of Shanghai for Science and Technology, Shanghai 200093,
China
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15
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Asakawa D, Sugiyama E, Mizuno H, Todoroki K. Study of Substituted Phenethylamine Fragmentation Induced by Electrospray Ionization Mass Spectrometry and Its Application for Highly Sensitive Analysis of Neurotransmitters in Biological Samples. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2021; 32:2144-2152. [PMID: 34293862 DOI: 10.1021/jasms.1c00173] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Although liquid chromatography-tandem mass spectrometry (LC-MS/MS) equipped with electrospray ionization (ESI) is widely employed for metabolite analysis, substituted phenethylamines commonly undergo fragmentation during ESI in-source collision-induced dissociation (CID). Unexpected fragmentation hampers not only unambiguous identification but also accurate metabolite quantification. ESI in-source CID induces N-Cα bond dissociation in substituted phenethylamines lacking a β-hydroxy group to produce fragment ions with a spiro[2.5]octadienylium motif. In contrast, phenethylamines with a β-hydroxy group generate substituted 2-phenylaziridium through ESI in-source CID-induced H2O loss. The fragment ion yield produced by ESI in-source CID can be estimated by the dissociation rate constant and internal energy of the analyte ion, determined by employing density functional theory calculations and the survival yield method using a thermometer ion, respectively. Fragmentation is strongly enhanced by the presence of an β-hydroxy group, whereas N-methylation suppresses fragmentation. In particular, octopamine and noradrenaline, which contain an β-hydroxy and primary amine groups, produce more intense fragment ion signals than protonated molecules. Regarding the quantitative analysis of phenethylamines present in the mouse brain, the noradrenaline fragment ion used as the precursor in multiple reaction monitoring (MRM) provided a higher signal-to-noise ratio in the resulting spectra than protonated noradrenaline. The present method allows for the quantitative analysis of substituted phenethylamines with high sensitivity.
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Affiliation(s)
- Daiki Asakawa
- National Institute of Advanced Industrial Science and Technology, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
| | - Eiji Sugiyama
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Hajime Mizuno
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Kenichiro Todoroki
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
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16
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Qian Y, Wang X, Wu G, Wang L, Geng J, Yu N, Wei S. Screening priority indicator pollutants in full-scale wastewater treatment plants by non-target analysis. JOURNAL OF HAZARDOUS MATERIALS 2021; 414:125490. [PMID: 33676247 DOI: 10.1016/j.jhazmat.2021.125490] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 02/05/2021] [Accepted: 02/21/2021] [Indexed: 06/12/2023]
Abstract
Wastewater treatment plants (WWTPs) are the main sources of emerging contaminants (ECs) in aquatic environment. However, the standards for limiting emerging pollutants in effluent are extremely lacking. We investigated the occurrence and removal of emerging pollutants in 16 WWTPs in China using non-target analysis. 568 substances screened out were divided into 9 kinds including 167 pharmaceuticals, 113 natural substances, 85 pesticides, 86 endogenous substances, 64 chemical raw materials, 14 personal care products, 17 food additives, 6 hormones and 16 others. And they were divided into 5 fates. Pesticides and pharmaceutical compounds seemed to be the most notable categories, the kinds detected in each sample is the largest compared with other compounds. Besides, the average removal rate of pesticides and pharmaceuticals in all WWTPs were the lowest, at 9.54% and 23.77%, respectively. Priority pollutants were screened by considering distribution of pollutants with different fates. Pollutants with the same fate especially "consistent" in different WWTPs had attracted attention. 4 potential priority pollutants including metoprolol, carbamazepine, 10, 11-dihydro-10, 11-dihydroxycarbamazepine and irbesartan were proposed. And it was found that the 4 compounds, "consistent suspects" and "consistent non-targets" had similar rankings of removal rate in 16 WWTPs, which can reflect the performance of different WWTPs.
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Affiliation(s)
- Yuli Qian
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, 210023 Jiangsu, PR China.
| | - Xuebing Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, 210023 Jiangsu, PR China.
| | - Gang Wu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, 210023 Jiangsu, PR China.
| | - Liye Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, 210023 Jiangsu, PR China.
| | - Jinju Geng
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, 210023 Jiangsu, PR China.
| | - Nanyang Yu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, 210023 Jiangsu, PR China.
| | - Si Wei
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, 210023 Jiangsu, PR China.
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17
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N M, Renita A A, Kumar P S, Abraham L S. Adsorption of ciprofloxacin from aqueous solution using surface improved tamarind shell as an economical and effective adsorbent. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2021; 24:224-234. [PMID: 34126814 DOI: 10.1080/15226514.2021.1932730] [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] [Indexed: 06/12/2023]
Abstract
Antibiotics in water bodies are emerging as an alarming new pollutant because of its persistent and recombinant nature. In recent period of human lifestyle, pharmaceutical products play a vital role in many perspectives. Due to this unpredictable usage of products, the unreacted components release into waterbodies in trace quantities. Eventhough these trace quantities initiate a crisis of developing resistant antibacterial strains which pose health risks to humans and animals. This work reports the batch adsorption of a fluoroquinolone, a fourth-generation antibiotic compound by a biosorbent made by acid-treated tamarind shells. The shells were treated with zinc chloride and hydrochloric acid. The characterization of biosorbent was performed by Fourier transform infrared spectroscopy and field emission scanning electron microscopy. The optimized adsorption parameters of time, pH and temperature were 30 minutes, 6 and 60 °C. The adsorbent can be reused up to seven times with negligible loss in its adsorption capacity. Adsorption followed by Langmuir, Freundlich and Tempkin model where used to determine the correlation coefficient. Pseudo first-order, second-order and intra-particle kinetic model were used to fit the experimental data. The results are best described by pseudo second-order denoting chemisorption and Freundlich isotherm model describing multilayer adsorption.Novelty StatementThe proposed work is to investigate about improved tamarind shell as biomass used in the removal unreacted PPCP components that have been released into aquatic environment.The novelty of this paper lies in that it puts forward a better resource utilization method for treating PPCP component wastewater, and studies the method theoretically from the perspective of mechanism and proves its feasibility.Identifying the maximum adsorption of antibiotic component from wastewater under different conditions and finding the optimum range.In addition to the existing literatures, this study has compared the adsorption efficiency of raw and treated adsorbent material prepared using Tamarind shell.
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Affiliation(s)
- Magesh N
- Department ofChemical Engineering, Sathyabama Institute of Science and Technology, Rajiv Gandhi Salai, Chennai, India
| | - Annam Renita A
- Department ofChemical Engineering, Sathyabama Institute of Science and Technology, Rajiv Gandhi Salai, Chennai, India
| | - Senthil Kumar P
- Department of Chemical Engineering, Sri Sivasubramaniya Nadar College of Engineering, Chennai, India
| | - Stanley Abraham L
- Centre for Ocean Research, Sathyabama Institute of Science and Technology, Chennai, India
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18
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Moradi M, Sohrabi MR, Mortazavinik S. Using Gold Nanoparticles for Ultra-trace Spectrophotometric Determination of Sitagliptin Drug in Various Real Samples. CURR PHARM ANAL 2021. [DOI: 10.2174/1573412916666200302102446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
The determination of trace drugs in aquatic environments is important. For
this purpose, many methods such as High Performance Liquid Chromatography (HPLC) and gas
chromatography mass spectrometry (GC/MS) have been used.
Objective:
This study introduces a simple, sensitive, and rapid colorimetric method for the spectrophotometric
determination of sitagliptin (STG) in drinking water, tablet, human plasma, and human
urine using gold nanoparticles (AuNPs).
Methods:
The Surface Plasmon Resonance (SPR) property of AuNPs and the interaction between
STG and AuNPs are the base of the colorimetric method. The addition of STG into AuNPs led to the
aggregation of AuNPs. Transmission Electron Microscopy (TEM) proved the aggregation of AuNPs
in the presence of STG. Also, the size of the nanoparticles distribution was evaluated by Dynamic
Light Scattering (DLS). In addition, Fourier-Transform Infrared Spectrophotometer (FTIR) was used
to study the chemical structure of AuNPs, STG, and AuNPs in the presence of STG.
Results:
The parameters that affect the absorbance such as pH, type and volume of buffer, AuNPs
concentration, interaction time, ionic strength, and interfering ions were investigated and optimized.
Under the optimum conditions, the determination of STG was performed via this method over the
range of 50-300 μgL-1 (R2=0.9941) with the Limit of Detection (LOD) and Limit of Quantification
(LOQ) of 1.23 and 1.39 μgL-1, respectively.
Conclusion:
Eventually, the results showed that the proposed method has a high potential for simple,
rapid, sensitive, and accurate determination of STG.
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Affiliation(s)
- Maryam Moradi
- Department of Chemistry, North Tehran Branch, Islamic Azad University, Tehran,Iran
| | - Mahmoud Reza Sohrabi
- Department of Chemistry, North Tehran Branch, Islamic Azad University, Tehran,Iran
| | - Saeid Mortazavinik
- Department of Chemistry, North Tehran Branch, Islamic Azad University, Tehran,Iran
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19
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Nowak PM, Mitoraj M, Sagan F, Wietecha-Posłuszny R. Differentiation of isomeric metabolites of carbamazepine based on acid-base properties; Experimental vs theoretical approach. J Chromatogr A 2021; 1651:462275. [PMID: 34090055 DOI: 10.1016/j.chroma.2021.462275] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2021] [Revised: 05/14/2021] [Accepted: 05/18/2021] [Indexed: 01/01/2023]
Abstract
Metabolism of carbamazepine is complex and leads to the three isomeric derivatives whose occurrence is dependent on the type of sample material. Their unambiguous differentiation is overall important. In this work, the qualitative analysis of 2-hydroxycarbamazepine, 3-hydroxycrbamazepine and carbamazepine-10,11-epoxide was attempted for the first time using capillary zone electrophoresis, based on the models linking electrophoretic mobility with pKa value determining the acidity of the hydroxyl groups. For this purpose, pKa values were determined using electrophoretic and theoretical methods, and then the compliance of the obtained mobility models with the measured values was analyzed. Despite the slight difference in acidity (0.3-0.4 pH unit), the obtained results prove that the correct identification of the metabolites under consideration, and reliable prediction of the selectivity of their separation, are possible on the basis of experimentally determined pKa values, even with highly simplified methods assuming the lack of certain data. However, it is important to choose the optimal pH value, which should be close to pKa. On the other hand, worse results were obtained for the theoretically determined mobilities, which differed significantly from the experimental values. An attempt was also made to explain the acidity of hydroxycarbamazepines and the associated thermodynamic parameters - deprotonation enthalpy and entropy, with respect to their structure. The lack of intramolecular hydrogen bonds and the significant contribution of entropic effects stabilizing the protonated form seems to be significant. The higher pKa value for CBZ-2-OH probably results from the stronger effect of the energetically unfavorable organization of solvent dipoles due to ionization.
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Affiliation(s)
- Paweł Mateusz Nowak
- Jagiellonian University in Kraków, Faculty of Chemistry, Department of Analytical Chemistry, Gronostajowa St. 2, 30-387 Kraków, Poland.
| | - Mariusz Mitoraj
- Jagiellonian University in Kraków, Faculty of Chemistry, Department of Theoretical Chemistry, Gronostajowa St. 2, 30-387 Kraków, Poland
| | - Filip Sagan
- Jagiellonian University in Kraków, Faculty of Chemistry, Department of Theoretical Chemistry, Gronostajowa St. 2, 30-387 Kraków, Poland
| | - Renata Wietecha-Posłuszny
- Jagiellonian University in Kraków, Faculty of Chemistry, Department of Analytical Chemistry, Gronostajowa St. 2, 30-387 Kraków, Poland
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20
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Zind H, Mondamert L, Remaury QB, Cleon A, Leitner NKV, Labanowski J. Occurrence of carbamazepine, diclofenac, and their related metabolites and transformation products in a French aquatic environment and preliminary risk assessment. WATER RESEARCH 2021; 196:117052. [PMID: 33774347 DOI: 10.1016/j.watres.2021.117052] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/09/2020] [Revised: 02/12/2021] [Accepted: 03/12/2021] [Indexed: 06/12/2023]
Abstract
With questions emerging on the presence and risks associated with metabolites and transformation products (TPs) of organic contaminants in the aquatic environment, progress has been made in terms of monitoring and regulation of pesticide metabolites. However, less interest is shown for pharmaceutical residues, although their pseudo-persistence and adverse effects on non-target organisms are proven. This study provides original knowledge about the contamination of ten sites located along three French rivers (water, sediments, biofilms, clams) by pharmaceutical metabolites and TPs, as well as a preliminary environmental risk assessment. Studied compounds included carbamazepine with five metabolites and TPs, and diclofenac with three metabolites and TPs. Results show that metabolites and TPs are present in all studied compartments, with mean concentrations up to 0.52 µg L-1 in water, 229 ng g-1 in sediments, 2153 ng g-1 in biofilms, and 1149 ng g-1 in clams. QSAR estimations (OECD toolbox) were involved to predict the studied compounds ecotoxicities. QSAR models showed that diclofenac and its metabolites and TPs could be more toxic than carbamazepine and its metabolites and TPs to three aquatic species representing green algae, invertebrates, and fish. However, real ecotoxicological effects are still to be determined. The environmental risk assessment showed that hydroxydiclofenac, 2-[(2-chlorophenyl)-amino]-benzaldehyde and dibenzazepine could present a greater risk than other studied compounds for aquatic organisms. In addition, the risk associated with a mixture of diclofenac and its related metabolites and TPs has been found to be greater than that of the compounds considered individually.
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Affiliation(s)
- Hiba Zind
- Institut de Chimie des Milieux et Matériaux de Poitiers, UMR CNRS 7285, University of Poitiers, France
| | - Leslie Mondamert
- Institut de Chimie des Milieux et Matériaux de Poitiers, UMR CNRS 7285, University of Poitiers, France
| | - Quentin Blancart Remaury
- Institut de Chimie des Milieux et Matériaux de Poitiers, UMR CNRS 7285, University of Poitiers, France
| | - Alexis Cleon
- Institut de Chimie des Milieux et Matériaux de Poitiers, UMR CNRS 7285, University of Poitiers, France
| | | | - Jérôme Labanowski
- Institut de Chimie des Milieux et Matériaux de Poitiers, UMR CNRS 7285, University of Poitiers, France.
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21
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Calzadilla W, Espinoza LC, Diaz-Cruz MS, Sunyer A, Aranda M, Peña-Farfal C, Salazar R. Simultaneous degradation of 30 pharmaceuticals by anodic oxidation: Main intermediaries and by-products. CHEMOSPHERE 2021; 269:128753. [PMID: 33131737 DOI: 10.1016/j.chemosphere.2020.128753] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 10/06/2020] [Accepted: 10/23/2020] [Indexed: 06/11/2023]
Abstract
The anodic oxidation (AO) of 30 pharmaceuticals including antibiotics, hormones, antihistaminics, anti-inflammatories, antidepressants, antihypertensives, and antiulcer agents, in solutions containing different supporting electrolytes media (0.05 M Na2SO4, 0.05 M NaCl, and 0.05 M Na2SO4 + 0.05 M NaCl) at natural pH was studied. A boron-doped diamond (BDD) electrode and a stainless-steel electrode were used as anode and cathode, respectively, and three current densities of 6, 20, and 40 mA cm-2 were applied. The results showed high mineralization rates, above 85%, in all the tested electrolytic media. 25 intermediaries produced during the electrooxidation were identified, depending on the supporting electrolyte together with the formation of carboxylic acids, NO3-, SO42- and NH4+ ions. The formation of intermediates in chloride medium produced an increase in absorbance. Finally, a real secondary effluent spiked with the 30 pharmaceuticals was treated by AO applying 6 mA cm-2 at natural pH and without addition of supporting electrolyte, reaching c.a. 90% mineralization after 300 min, with an energy consumption of 18.95 kW h m-3 equivalent to 2.90 USD m-3. A degradation scheme for the mixture of emerging contaminants in both electrolytic media is proposed. Thus, the application of anodic oxidation generates a high concentration of hydroxyl radicals that favors the mineralization of the pharmaceuticals present in the spiked secondary effluent sample.
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Affiliation(s)
- Wendy Calzadilla
- Laboratory of Advanced Research on Foods and Drugs, Department of Food Science and Technology, Faculty of Pharmacy, University of Concepción, Concepción, Chile
| | - L Carolina Espinoza
- Laboratory of Environmental Electrochemistry (LEQMA), Department of Chemical of Materials, Faculty of Chemistry and Biology, University of Santiago de Chile (USACH), Casilla 40, Correo 33, Santiago, Chile
| | - M Silvia Diaz-Cruz
- Institute of Environmental Assessment and Water Research (IDAEA) Severo Ochoa Excellence Center, Spanish Council for Scientific Research (CSIC), Jordi Girona 18-26, E-08034, Barcelona, Spain
| | - Adrià Sunyer
- Institute of Environmental Assessment and Water Research (IDAEA) Severo Ochoa Excellence Center, Spanish Council for Scientific Research (CSIC), Jordi Girona 18-26, E-08034, Barcelona, Spain
| | - Mario Aranda
- Laboratory of Research on Foods and Drugs, Department of Pharmacy, Faculty of Chemistry and Pharmacy, Pontifical Catholic University of Chile, Chile
| | - Carlos Peña-Farfal
- Institute of Applied Chemical Sciences, Faculty of Engineering, UNIVERSIDAD AUTONOMA DE CHILE, Av Alemania 01090, 4810101, Temuco, Chile
| | - Ricardo Salazar
- Laboratory of Environmental Electrochemistry (LEQMA), Department of Chemical of Materials, Faculty of Chemistry and Biology, University of Santiago de Chile (USACH), Casilla 40, Correo 33, Santiago, Chile.
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22
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Kar P, Shukla K, Jain P, Sathiyan G, Gupta RK. Semiconductor based photocatalysts for detoxification of emerging pharmaceutical pollutants from aquatic systems: A critical review. NANO MATERIALS SCIENCE 2021. [DOI: 10.1016/j.nanoms.2020.11.001] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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23
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Meng Y, Liu W, Liu X, Zhang J, Peng M, Zhang T. A review on analytical methods for pharmaceutical and personal care products and their transformation products. J Environ Sci (China) 2021; 101:260-281. [PMID: 33334521 DOI: 10.1016/j.jes.2020.08.025] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 08/11/2020] [Accepted: 08/21/2020] [Indexed: 05/18/2023]
Abstract
Pharmaceutical and personal care products (PPCPs) and corresponding transformation products have caused widespread concern due to their persistent emissions and potential toxicity. They have wide octanol-water partition coefficients (Kow) and different ionization constants (pKa) resulting in a poor analysis accuracy and efficiency. A suitable analytical method is the first prerequisite for further research on their environmental behavior to prioritize the substances. This study reviewed a full-scale analytical protocol for environmental samples in the recent ten years: from sampling to instrumental methods. Passive sampling techniques were compared and recommended for long-term continuous and scientific observation. A quick and effective sample extraction and clean-up method are highly required. Chromatographic methods coupled to mass spectrometry for determining PPCPs with a wide range of logKow (-7.53 to 10.80) were summed up. High-resolution mass spectrometry was confirmed to be a promising strategy for screening unknown transformation products, which would provide a nanogram level of detection limits and more accurate mass resolution. Screening strategies and mass change principles were summarized in detail. The recovery rate was important in multiple contaminants analysis identification and factors affecting the recovery rate of PPCPs were also discussed in this review, including sample matrix, target compounds characteristics, extraction method and solid-phase adsorbent. This review provides useful information for the selection of appropriate analytical methods and future development directions.
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Affiliation(s)
- Yuan Meng
- Department of Environmental Science and Engineering, Beijing Environmental Pollution Control and Resource Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, China
| | - Weiyi Liu
- Department of Environmental Science and Engineering, Beijing Environmental Pollution Control and Resource Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, China
| | - Xiaohui Liu
- National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Sciences, Beijing 100012, China
| | - Jinlan Zhang
- Department of Environmental Science and Engineering, Beijing Environmental Pollution Control and Resource Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, China
| | - Meng Peng
- School of Environment, Tsinghua University, Beijing 100084, China
| | - Tingting Zhang
- Department of Environmental Science and Engineering, Beijing Environmental Pollution Control and Resource Engineering Research Center, Beijing University of Chemical Technology, Beijing 100029, China.
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24
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Ren Z, Chen S, Jiang SF, Hu WF, Jiang H. High-Efficiency and Ground-State Atomic Oxygen-Dominant Photodegradation of Carbamazepine by Coupling Chlorine and g-C 3N 4. Ind Eng Chem Res 2021. [DOI: 10.1021/acs.iecr.0c05522] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Zhu Ren
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Shuo Chen
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Shun-Feng Jiang
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Wei-Fei Hu
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China
| | - Hong Jiang
- CAS Key Laboratory of Urban Pollutant Conversion, Department of Applied Chemistry, University of Science and Technology of China, Hefei 230026, China
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25
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Li Y, Taggart MA, McKenzie C, Zhang Z, Lu Y, Pap S, Gibb SW. A SPE-HPLC-MS/MS method for the simultaneous determination of prioritised pharmaceuticals and EDCs with high environmental risk potential in freshwater. J Environ Sci (China) 2021; 100:18-27. [PMID: 33279030 DOI: 10.1016/j.jes.2020.07.013] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 07/09/2020] [Accepted: 07/09/2020] [Indexed: 05/26/2023]
Abstract
This work describes the development, optimisation and validation of an analytical method for the rapid determination of 17 priority pharmaceutical compounds and endocrine disrupting chemicals (EDCs). Rather than studying compounds from the same therapeutic class, the analyses aimed to determine target compounds with the highest risk potential (with particular regard to Scotland), providing a tool for further monitoring in different water matrices. Prioritisation was based on a systematic environmental risk assessment approach, using consumption data; wastewater treatment removal efficiency; environmental occurrence; toxicological effects; and pre-existing regulatory indicators. This process highlighted 17 compounds across various therapeutic classes, which were then quantified, at environmentally relevant concentrations, by a single analytical methodology. Analytical determination was achieved using a single-step solid phase extraction (SPE) procedure followed by high-performance liquid chromatography with tandem mass spectrometry (HPLC-MS/MS). The fully optimised method performed well for the majority of target compounds, with recoveries >71% for 15 of 17 analytes. The limits of quantification for most target analytes (14 of 17) ranged from 0.07 ng/L to 1.88 ng/L in river waters. The utility of this method was then demonstrated using real water samples associated with a rural hospital/setting. Eight compounds were targeted and detected, with the highest levels found for the analgesic, paracetamol (at up to 105,910 ng/L in the hospital discharge). This method offers a robust tool to monitor high priority pharmaceutical and EDC levels in various aqueous sample matrices.
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Affiliation(s)
- Yuan Li
- Environmental Research Institute, North Highland College, University of the Highlands and Islands, Castle Street, Thurso, Caithness, Scotland, KW147JD, UK; Environmental and Biochemical Sciences Group, James Hutton Institute, Craigiebuckler, Aberdeen AB158QH, UK.
| | - Mark A Taggart
- Environmental Research Institute, North Highland College, University of the Highlands and Islands, Castle Street, Thurso, Caithness, Scotland, KW147JD, UK
| | - Craig McKenzie
- Forensic Drug Research Group, Centre for Anatomy and Human Identification, School of Science and Engineering, UK
| | - Zulin Zhang
- Environmental and Biochemical Sciences Group, James Hutton Institute, Craigiebuckler, Aberdeen AB158QH, UK
| | - Yonglong Lu
- Research Centre for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Sabolc Pap
- Environmental Research Institute, North Highland College, University of the Highlands and Islands, Castle Street, Thurso, Caithness, Scotland, KW147JD, UK; University of Novi Sad, Faculty of Technical Sciences, Department of Environmental Engineering and Occupational Safety and Health, University of Novi Sad, 21000 NoviSad, Serbia
| | - Stuart W Gibb
- Environmental Research Institute, North Highland College, University of the Highlands and Islands, Castle Street, Thurso, Caithness, Scotland, KW147JD, UK
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Asakawa D, Mizuno H, Sugiyama E, Todoroki K. Fragmentation study of tryptophan-derived metabolites induced by electrospray ionization mass spectrometry for highly sensitive analysis. Analyst 2021; 146:2292-2300. [DOI: 10.1039/d0an02069a] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
ESI of tryptophan-derived metabolites produced an intense signal of fragment ion with a spiro[cyclopropane-indolium] backbone. The use of corresponding fragment ions for the precursor of MRM transitions could improve the detection limit.
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Affiliation(s)
- Daiki Asakawa
- National Institute of Advanced Industrial Science and Technology
- Tsukuba
- Japan
| | - Hajime Mizuno
- School of Pharmaceutical Sciences
- University of Shizuoka
- Shizuoka 422-8526
- Japan
| | - Eiji Sugiyama
- School of Pharmaceutical Sciences
- University of Shizuoka
- Shizuoka 422-8526
- Japan
| | - Kenichiro Todoroki
- School of Pharmaceutical Sciences
- University of Shizuoka
- Shizuoka 422-8526
- Japan
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Synthesis and Characterization of B/NaF and Silicon Phthalocyanine-Modified TiO2 and an Evaluation of Their Photocatalytic Removal of Carbamazepine. SEPARATIONS 2020. [DOI: 10.3390/separations7040071] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
This study investigated the synthesis of two different types of photocatalysts, namely, boron/sodium fluoride co-doped titanium dioxide (B/NaF-TiO2), and its analogue, a dye-sensitized form of silicon-based axial methoxy substituted phthalocyanine (B/NaF-TiO2SiPc). Structural and morphological characterizations were performed via X-ray diffraction (XRD); Fourier transform infra-red (FTIR); N2 adsorption–desorption at 77 K by Brunauer–Emmett–Teller (BET) and Barrett, Joyner, and Halenda (BJH) methods; transmission electron microscopy (TEM); X-ray photoelectron spectroscopy (XPS); and UV–visible absorption spectroscopy. The estimated crystallite size of pure TiO2 and pure B/NaF-TiO2 was 24 nm, and that of B/NaF-TiO2SiPc was 29 nm, whereas particle sizes determined by TEM were 25, 28, and 31 nm for pure TiO2, B/NaF-TiO2 and B/NaF-TiO2SiPc respectively. No significant differences between B/NaF-TiO2 and B/NaF-TiO2SiPc were observed for surface area by (BET) analysis (13 m2/g) or total pore volume by the BJH application model (0.05 cm3/g). Energy band gap values obtained for B/NaF-TiO2 and B/NaF-TiO2SiPc were 3.10 and 2.90 eV respectively, lower than pure TiO2 (3.17 eV). The photocatalytic activity of the synthesized materials was tested using carbamazepine (CBZ) as the model substrate. Carbamazepine removal after 4 h of irradiation was almost 100% for B/NaF-TiO2 and 70% for B/NaF-TiO2SiPc; however, the substrate mineralization proceeded slower, suggesting the presence of organic intermediates after the complete disappearance of the pollutant.
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Chen H, Yang H, Zhao Y, Gu X, Martyniuk CJ. Development and Molecular Investigation into the Effects of Carbamazepine Exposure in the Zebrafish ( Danio rerio). INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17238882. [PMID: 33260372 PMCID: PMC7731368 DOI: 10.3390/ijerph17238882] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Revised: 11/24/2020] [Accepted: 11/26/2020] [Indexed: 12/21/2022]
Abstract
Concerns regarding environmental exposures and the impacts of pharmaceuticals on non-target aquatic organisms continue to increase. The antiepileptic drug carbamazepine (CBZ) is often detected as an aquatic contaminant and can disrupt various behaviors of fishes. However, there are few reports which investigate the mechanism of CBZ action in fish. The aim of the current study was to evaluate the effects of CBZ on embryonic development (i.e., hatching rate, heart rate, and body length) and early spontaneous movement. Moreover, we sought to investigate potential mechanisms by focusing on the gamma-aminobutyric acid (GABA) neurotransmitter system in zebrafish 6 days after of exposure. The results show that CBZ exposure did not cause significant effects on embryo development (hatching rate, heart rate, nor body length) at the test concentrations. However, the early spontaneous movement of embryos was inhibited following 10 μg/L CBZ exposure at 28-29 h post-fertilization (hpf). In addition, acetylcholinesterase (AChE) activity and GABA concentrations were increased with exposure, whereas glutamate (Glu) concentrations were decreased in larval zebrafish. Gene expression analysis revealed that GABA and glutamate metabolic pathways in zebrafish larvae were altered following exposure to CBZ. GABA transaminase (abat) and glutamic acid decarboxylase (gad1b) decreased to 100 µg/L, and glutamate receptor, ionotropic, N-methyl D-aspartate 1b (grin1b) as well as the glutamate receptor, ionotropic, α-amino-3hydroxy-5methylisoxazole-4propionic 2b (gria2b) were down-regulated with exposure to 1 µg/L CBZ. Our study suggests that CBZ, which can act as an agonist of the GABAA receptor in humans, can also induce alterations in the GABAergic system in fish. Overall, this study improves understanding of the neurotoxicity and behavioral toxicity of zebrafish exposed to CBZ and generates data to be used to understand mechanisms of action that may underlie antiepileptic drug exposures.
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Affiliation(s)
- Huihui Chen
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China; (H.C.); (H.Y.); (Y.Z.)
- State Key Laboratory of Developmental Biology of Freshwater Fish, College of Life Sciences, Hunan Normal University, Changsha 410081, China
| | - Huiting Yang
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China; (H.C.); (H.Y.); (Y.Z.)
- Inner Mongolia Key Laboratory of Environmental Pollution Control & Waste Resource Reuse, School of Ecology and Environment, Inner Mongolia University, Hohhot 010021, China
| | - Yanyan Zhao
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China; (H.C.); (H.Y.); (Y.Z.)
| | - Xiaohong Gu
- State Key Laboratory of Lake Science and Environment, Nanjing Institute of Geography and Limnology, Chinese Academy of Sciences, Nanjing 210008, China; (H.C.); (H.Y.); (Y.Z.)
- Jiangsu Collaborative Innovation Center of Regional Modern Agriculture & Environmental Protection, Huaiyin Normal University, Huaian 223300, China
- Correspondence:
| | - Christopher J. Martyniuk
- Department of Physiological Sciences and Center for Environmental and Human Toxicology, University of Florida Genetics Institute, Interdisciplinary Program in Biomedical Sciences Neuroscience, College of Veterinary Medicine, University of Florida, Gainesville, FL 32611, USA;
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Vitale D, Picó Y, Spanò N, Torreblanca A, Del Ramo J. Carbamazepine exposure in the sea anemones Anemonia sulcata and Actinia equina: Metabolite identification and physiological responses. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 744:140891. [PMID: 32711318 DOI: 10.1016/j.scitotenv.2020.140891] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 06/17/2020] [Accepted: 07/09/2020] [Indexed: 06/11/2023]
Abstract
Pharmaceuticals and other emerging contaminants (EC) have been increasingly detected and measured in coastal waters and large effort has been devoted to knowing the effects these substances have in coastal ecosystems. Anthozoa class is underrepresented in ecotoxicology studies despite some of their species being endangered. Anemonia sulcata and Actinia equina are species widely distributed in the Mediterranean Sea. The objectives of this work have been to evaluate the ability of these species to accumulate carbamazepine (CBZ) from water, to determine the effects of this pharmaceutical on some physiological and biochemical endpoints and to characterize the degradation routes followed by this compound in Anthozoa tissues (biotransformation) and water. Sea anemones were exposed to 1 μg L-1 and 100 μg L-1 of CBZ in artificial sea water in a semi-static system for 8 days. At several times small portions of the tentacles and whole organisms were taken. Ion transport (measured as NKATPase activity), energetic metabolism (measured as glucose and lactate levels) and nitrogen excretion (measured as ammonia concentration in tissues) were determined. CBZ-exposed individuals of A. sulcata and A. equina were analyzed by ultra-high-performance liquid chromatography high-resolution mass spectrometry (UHPLC-HRMS) on a quadrupole-time-of-flight (QqTOF). The structures of nine metabolites have been tentatively identified using HRMS and HRMS/MS data with the aid of the free available Medline database. The current work constitutes the first study on the identification of Cnidarian metabolites of CBZ in species of the Anthozoa class.
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Affiliation(s)
- Dyana Vitale
- Food and Environmental Safety Research Group (SAMA-UV), Desertification Research Centre (CIDE, UV-CSIC-GV), University of Valencia, Spain
| | - Yolanda Picó
- Food and Environmental Safety Research Group (SAMA-UV), Desertification Research Centre (CIDE, UV-CSIC-GV), University of Valencia, Spain
| | - Nunziacarla Spanò
- Department of Dental Biomedical Sciences and Morphological and Functional Images, University of Messina, Italy
| | - Amparo Torreblanca
- Departament of Cell Biology, Functional Biology and Physical Anthropology, University of Valencia, Spain.
| | - Jose Del Ramo
- Departament of Cell Biology, Functional Biology and Physical Anthropology, University of Valencia, Spain
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Towards a Better Understanding of the Removal of Carbamazepine by Ankistrodesmus braunii: Investigation of Some Key Parameters. APPLIED SCIENCES-BASEL 2020. [DOI: 10.3390/app10228034] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Nowadays, water pollution by pharmaceuticals is a major issue that needs an urgent solution, as these compounds, even when found at trace or ultra-trace levels, could have harmful effects on organisms. Carbamazepine (CBZ) is a pharmaceutical product that is detected as a micropollutant in many water resources. Different treatment methods were lately employed for the removal of CBZ, which are often cheap but inefficient or efficient but expensive. Yet, there are limited available studies on the elimination of this molecule by algae despite their well-known highly adaptive abilities. In this study, the biological treatment of CBZ was carried out using the green microalgae, Ankistrodesmus braunii (A. braunii), which has been reported to be particularly resistant to CBZ toxicity in the literature. The respective effects of the culture medium, the initial inoculum, and CBZ concentrations were studied on CBZ removal. Lastly, the mechanism of CBZ elimination by A. braunii was investigated. The presented data clearly demonstrates that the presence of this molecule did not completely repress A. braunii growth or the ability of these algae to remove CBZ; after 60 days of incubation, the highest percentage of CBZ elimination achieved was 87.6%. Elimination was more successful in Bold’s basal medium than in proteose peptone medium. Finally, the removal mechanism was also investigated to provide a better understanding of the transformation mechanism of this molecule. It was shown that the main removal mechanism was the bioaccumulation of CBZ by A. braunii cells, but the biotransformation of the initial CBZ into metabolites was also observed.
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31
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Asakawa D, Mizuno H, Sugiyama E, Todoroki K. In-Source Fragmentation of Phenethylamines by Electrospray Ionization Mass Spectrometry: Toward Highly Sensitive Quantitative Analysis of Monoamine Neurotransmitters. Anal Chem 2020; 92:12033-12039. [DOI: 10.1021/acs.analchem.0c02667] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Daiki Asakawa
- National Institute of Advanced Industrial Science and Technology, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan
| | - Hajime Mizuno
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Eiji Sugiyama
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
| | - Kenichiro Todoroki
- School of Pharmaceutical Sciences, University of Shizuoka, 52-1 Yada, Suruga-ku, Shizuoka 422-8526, Japan
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Validation and eco-scale assessment of stability-indicating HPTLC method for quantitative analysis of carbamazepine and its degradation product, iminostilbene, in pure forms, pharmaceutical preparations, and spiked human plasma. JPC-J PLANAR CHROMAT 2020. [DOI: 10.1007/s00764-020-00023-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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33
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Guo H, Zhou X, Zhang Y, Yao Q, Qian Y, Chu H, Chen J. Carbamazepine degradation by heterogeneous activation of peroxymonosulfate with lanthanum cobaltite perovskite: Performance, mechanism and toxicity. J Environ Sci (China) 2020; 91:10-21. [PMID: 32172958 DOI: 10.1016/j.jes.2020.01.003] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 01/05/2020] [Accepted: 01/05/2020] [Indexed: 06/10/2023]
Abstract
The widely used carbamazepine (CBZ) is one of the most persistent pharmaceuticals and suffers insufficient removal efficiency by conventional wastewater treatment. A synthesized Co-based perovskite (LaCoO3) was used to activate peroxymonosulfate (PMS) in order to degrade CBZ. Results showed that LaCoO3 exhibited an excellent performance in PMS activation and CBZ degradation at neutral pH, with low cobalt leaching. The results of FT-IR and XPS verified the high structurally and chemically stability of LaCoO3 in PMS activation. Electron spin resonance (ESR) analysis suggested the generation of radical species, such as sulfate radicals (SO4-) and hydroxyl radicals (OH). Radical quenching experiments further revealed the responsibility of SO4- as the dominant oxidant for CBZ oxidation. Ten products were detected via the oxidation of CBZ, with the olefinic double bond attacked by SO4- as the initial step. Hydroxylation, hydrolysis, cyclization and dehydration were involved along the transformation of CBZ. The toxicity of CBZ solution was significantly reduced after treating by PMS/LaCoO3.
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Affiliation(s)
- Huichao Guo
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Xuefei Zhou
- Key Laboratory of Yangtze River Water Environment for Ministry of Education, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Yalei Zhang
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Qiufang Yao
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Yajie Qian
- College of Environmental Science and Engineering, Donghua University, Shanghai 201620, China
| | - Huaqiang Chu
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China
| | - Jiabin Chen
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China; Shanghai Institute of Pollution Control and Ecological Security, Shanghai 200092, China.
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Li M, Cheng Y, Ding T, Wang H, Wang W, Li J, Ye Q. Phytotransformation and Metabolic Pathways of 14C-Carbamazepine in Carrot and Celery. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:3362-3371. [PMID: 32105463 DOI: 10.1021/acs.jafc.9b05693] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Carbamazepine (CBZ) is an anticonvulsant pharmaceutical compound of environmental concern due to its persistence, bioactive toxicity, and teratogenic effects. Studies on the kinetics and metabolic pathways of CBZ in plant tissues are still limited. In the present study, the phytotransformation of 14C-CBZ was explored. The 14C detected in bound residues was lower than in extractable residues (>85% of the uptaken 14C radioactivity) in plant tissues. CBZ underwent appreciable transformation in plants. A large portion of accumulated 14C radioactivity (80.3 ± 6.4%) in the cells was distributed in the cell water-soluble fraction. A total of nine radioactive transformation products of CBZ were identified, three of which were generated in vivo due to the contraction of the heterocycle ring. The proposed metabolic pathways revealed that conjugation with glutathione or phenylacetic acid was the major transformation pathway of CBZ in plants, with the contribution of epoxidation, hydroxylation, methoxylation, methylation, amination, and sulfonation.
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Affiliation(s)
- Ming Li
- Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
- Key Laboratory of Songliao Aquatic Environment Ministry of Education, College of Municipal and Environmental Engineering, Jilin Jianzhu University, Changchun 130118, China
- Institute of Nuclear Agricultural Sciences, Zhejiang University, Hangzhou 310029, China
| | - Yanan Cheng
- Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Tengda Ding
- Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Haiyan Wang
- Institute of Nuclear Agricultural Sciences, Zhejiang University, Hangzhou 310029, China
| | - Wei Wang
- Institute of Nuclear Agricultural Sciences, Zhejiang University, Hangzhou 310029, China
| | - Juying Li
- Shenzhen Key Laboratory of Environmental Chemistry and Ecological Remediation, College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen 518060, China
| | - Qingfu Ye
- Institute of Nuclear Agricultural Sciences, Zhejiang University, Hangzhou 310029, China
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Zheng M, Bao Y, Huang Z, Qiu W, Xu G, Wang Z. Radiolysis of carbamazepine by electron beam: Roles of transient reactive species and biotoxicity of final reaction solutions on rotifer Philodina sp. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 703:135013. [PMID: 31757543 DOI: 10.1016/j.scitotenv.2019.135013] [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: 08/06/2019] [Revised: 10/15/2019] [Accepted: 10/15/2019] [Indexed: 06/10/2023]
Abstract
Electron beam (EB) has proven to be an effective advanced oxidation reduction process (AORP) to degrade the psychiatric drug carbamazepine (CBZ); however, the degradation mechanism and the toxicity of the final reaction solutions to aquatic microorganisms needed further investigation. In this study, CBZ was eventually degraded and even mineralized by EB treatment, where the degradation of CBZ followed the pseudo-first-order kinetics with R2 > 0.98. Acidic conditions, presence of an additional oxidant (2.5 mmol L-1 H2O2), and O2/air-saturated conditions improved the degradation efficiency of CBZ, as well as the radiation chemical yield (G-value defined as the efficiency of the irradiation process). Concentrations of transient reactive species (TRS) caused by EB were quantified under different conditions at doses of 0.956 and 3.17 kGy, and the apparent quantum yield of CBZ degradation was in the order of OH > H > eaq-. However, the contribution of these species to CBZ degradation was in the order of OH > eaq- >H due to the generation of only a small amount of H. Findings regarding the changes of in CBZ degradation intermediates, short-chain fatty acids (SCFAs), and total organic carbon showed that CBZ can gradually be mineralized into CO2/CO32-, H2O, and NH3/NH4+ by the EB process. Additionally, an excellent rotifer survival rate after 5-day culturing in the reaction solutions resulting from 5-kGy treatment indicated that EB can be a safe AORP to mineralize CBZ in solution. These findings provide scientific proof for the EB being an effective AORP for removal of psychiatric drugs from aqueous solutions, laying the foundation for future remediation research.
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Affiliation(s)
- Ming Zheng
- School of Environmental and Chemical Engineering, Shanghai Applied Radiation Institute, Shanghai University, Shanghai 200444, China; State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China; State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Yangyang Bao
- Pudong New Area Environmental Monitoring Station, No. 51 Lingshan Road, Pudong New Area, Shanghai, China
| | - Zhonglian Huang
- State Key Laboratory of Pollution Control and Resources Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, China
| | - Wenhui Qiu
- State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
| | - Gang Xu
- School of Environmental and Chemical Engineering, Shanghai Applied Radiation Institute, Shanghai University, Shanghai 200444, China.
| | - Zhongying Wang
- State Environmental Protection Key Laboratory of Integrated Surface Water-Groundwater Pollution Control, School of Environmental Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, China
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A low cost method for carbamazepine, ciprofloxacin and norfloxacin determination in pharmaceutical formulations based on spot-test and smartphone images. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104297] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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37
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Hu Z, Cai X, Wang Z, Li S, Wang Z, Xie X. Construction of carbon-doped supramolecule-based g-C 3N 4/TiO 2 composites for removal of diclofenac and carbamazepine: A comparative study of operating parameters, mechanisms, degradation pathways. JOURNAL OF HAZARDOUS MATERIALS 2019; 380:120812. [PMID: 31326838 DOI: 10.1016/j.jhazmat.2019.120812] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/21/2019] [Revised: 06/11/2019] [Accepted: 06/21/2019] [Indexed: 06/10/2023]
Abstract
An eco-friendly 2D heterojunction photocatalyst composites (BCCNT) consisting of carbon-doped supramolecule-based g-C3N4 (BCCN) layers and TiO2 nanoparticles has been fabricated via an in-situ method. Based on the SEM and XPS results affirmed that the coaction of doped carbon and supramolecule precursors lead to the different morphology of pure g-C3N4, C-doped g-C3N4 have improved the photodegradation diclofenac (DCF) and carbamazepine (CBZ). And the degradation efficiencies of DCF and CBZ could reach 98.92% and 99.77%, which were separately corresponded to 30 min (min) and 6 h (h) of LED lamp illumination. Additionally, the effects of catalysis dosage, solution pH, natural organic matter (NOM), inorganic anions (Cl-, SO42-, NO3-) and different water matrices were deeply investigated. The scavenger experiments demonstrated that •O2-, h+ were main active species under visible irradiation. Furthermore, the photodegradation pathways of DCF and CBZ were detected by high-resolution mass spectrometry (HRMS) instruments and three-dimensional excitation-emission matrix fluorescence spectra (3D EEMs). Eventually, the possible photocatalytic mechanisms of BCCNT were proposed.
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Affiliation(s)
- Zhongzheng Hu
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Xuewei Cai
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Zirun Wang
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Shan Li
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Zhaowei Wang
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China
| | - Xiaoyun Xie
- Key Laboratory for Environmental Pollution Prediction and Control, Gansu Province, College of Earth and Environmental Sciences, Lanzhou University, Lanzhou, 730000, China.
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38
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El Mragui A, Logvina Y, Pinto da Silva L, Zegaoui O, Esteves da Silva JC. Synthesis of Fe- and Co-Doped TiO 2 with Improved Photocatalytic Activity Under Visible Irradiation Toward Carbamazepine Degradation. MATERIALS 2019; 12:ma12233874. [PMID: 31771256 PMCID: PMC6926595 DOI: 10.3390/ma12233874] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 11/20/2019] [Accepted: 11/21/2019] [Indexed: 11/26/2022]
Abstract
Pure TiO2 and Fe- and Co-doped TiO2 nanoparticles (NPs) as photocatalysts were synthesized using wet chemical methods (sol-gel + precipitation). Their crystalline structure and optical properties were analyzed using X-ray diffraction (XRD), Raman spectroscopy and Fourier-transform infrared (FTIR) spectroscopy, ultraviolet-visible light (UV-Vis) diffuse reflectance spectroscopy (DRS), and photoluminescence (PL) spectroscopy. The photocatalytic activity of the synthesized nanoparticles was evaluated through degradation of carbamazepine (CBZ) under UV-A and visible-light irradiations. The XRD and Raman analyses revealed that all synthesized nanomaterials showed only the anatase phase. The DRS results showed that the absorption edge was blue-shifted for Fe-doped TiO2 NPs. The decrease in charge recombination was evidenced from the PL investigation for both Co-doped and Fe-doped TiO2 nanomaterials. An enhancement in photocatalytic degradation of carbamazepine in aqueous suspension under both UV-A light and visible-light irradiations was observed for Fe-doped Titania NPs by comparison with pure TiO2. These results suggest that the doping cations could suppress the electron/hole recombination. Therefore, the photocatalytic activity of TiO2-based nanomaterials was enhanced.
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Affiliation(s)
- Abderrahim El Mragui
- Chemistry Research Unit (CIQUP), Faculty of Sciences of University of Porto, Rua do Campo Alegre 697, 4169-007 Porto, Portugal; (A.E.M.); (Y.L.); (L.P.d.S.)
- Research team “Materials and Applied Catalysis: MCA”, “CBAE” Laboratory, Faculty of Sciences, Moulay Ismail University, BP.11201 Zitoune, Meknès, Morocco;
| | - Yuliya Logvina
- Chemistry Research Unit (CIQUP), Faculty of Sciences of University of Porto, Rua do Campo Alegre 697, 4169-007 Porto, Portugal; (A.E.M.); (Y.L.); (L.P.d.S.)
| | - Luís Pinto da Silva
- Chemistry Research Unit (CIQUP), Faculty of Sciences of University of Porto, Rua do Campo Alegre 697, 4169-007 Porto, Portugal; (A.E.M.); (Y.L.); (L.P.d.S.)
- LACOMEPHI, GreenUPorto, Department of Geosciences, Environment and Territorial Planning, Faculty of Sciences, University of Porto, Rua do Campo Alegre 697, 4169-007 Porto, Portugal
| | - Omar Zegaoui
- Research team “Materials and Applied Catalysis: MCA”, “CBAE” Laboratory, Faculty of Sciences, Moulay Ismail University, BP.11201 Zitoune, Meknès, Morocco;
| | - Joaquim C.G. Esteves da Silva
- Chemistry Research Unit (CIQUP), Faculty of Sciences of University of Porto, Rua do Campo Alegre 697, 4169-007 Porto, Portugal; (A.E.M.); (Y.L.); (L.P.d.S.)
- LACOMEPHI, GreenUPorto, Department of Geosciences, Environment and Territorial Planning, Faculty of Sciences, University of Porto, Rua do Campo Alegre 697, 4169-007 Porto, Portugal
- Correspondence: ; Tel.: +351-220-402-569
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Bessa VS, Moreira IS, Murgolo S, Mascolo G, Castro PML. Carbamazepine is degraded by the bacterial strain Labrys portucalensis F11. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 690:739-747. [PMID: 31301512 DOI: 10.1016/j.scitotenv.2019.06.461] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 06/24/2019] [Accepted: 06/27/2019] [Indexed: 06/10/2023]
Abstract
The occurrence of pharmaceuticals in the environment is a topic of concern. Carbamazepine (CBZ) is a widespread antiepileptic drug and due to its physical-chemical characteristics minimal removal is achieved in conventional water treatments, and thus has been suggested as a molecular marker of wastewater contamination in surface water and groundwater. The present study reports the biotransformation of CBZ by the bacterial strain Labrys portucalensis F11. When supplied as a sole carbon source, a 95.4% biotransformation of 42.69 μM CBZ was achieved in 30 days. In co-metabolism with acetate, complete biotransformation was attained at a faster rate. Following a target approach, the detection and identification of 14 intermediary metabolites was achieved through UPLC-QTOF/MS/MS. Biotransformation of CBZ by the bacterial strain is mostly based on oxidation, loss of -CHNO group and ketone formation reactions; a biotransformation pathway with two routes is proposed. The toxicity of untreated and treated CBZ solutions was assessed using Vibrio Fischeri and Lepidium sativum acute toxicity tests and Toxi-Chromo Test. The presence of CBZ and/or its degradations products in solution resulted in moderate toxic effect on Vibrio Fischeri, whereas the other organisms were not affected. To the best of our knowledge this is the first report that proposes the metabolic degradation pathway of CBZ by a single bacterial strain.
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Affiliation(s)
- Vânia S Bessa
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
| | - Irina S Moreira
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal
| | - Sapia Murgolo
- CNR, Istituto di Ricerca Sulle Acque, Via F. De Blasio 5, 70132 Bari, Italy
| | - Giuseppe Mascolo
- CNR, Istituto di Ricerca Sulle Acque, Via F. De Blasio 5, 70132 Bari, Italy
| | - Paula M L Castro
- Universidade Católica Portuguesa, CBQF - Centro de Biotecnologia e Química Fina - Laboratório Associado, Escola Superior de Biotecnologia, Rua Diogo Botelho 1327, 4169-005 Porto, Portugal.
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40
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Assress HA, Nyoni H, Mamba BB, Msagati TAM. Target quantification of azole antifungals and retrospective screening of other emerging pollutants in wastewater effluent using UHPLC -QTOF-MS. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2019; 253:655-666. [PMID: 31330357 DOI: 10.1016/j.envpol.2019.07.075] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 06/19/2019] [Accepted: 07/15/2019] [Indexed: 06/10/2023]
Abstract
The information acquired by high resolution quadrupole-time of flight mass spectrometry (QTOF-MS) allows target analysis as well as retrospective screening for the presence of suspect or unknown emerging pollutants which were not included in the target analysis. Targeted quantification of eight azole antifungal drugs in wastewater effluent as well as new and relatively simple retrospective suspect and non-target screening strategy for emerging pollutants using UHPLC-QTOF-MS is described in this work. More than 300 (parent compounds and transformation products) and 150 accurate masses were included in the retrospective suspect and non-target screening, respectively. Tentative identification of suspects and unknowns was based on accurate masses, peak intensity, blank subtraction, isotopic pattern (mSigma value), compound annotation using data bases such as KEGG and CHEBI, and fragmentation pattern interpretation. In the targeted analysis, clotrimazole, fluconazole, itraconazole, ketoconazole and posaconazole were detected in the effluent wastewater sample, fluconazole being with highest average concentration (302.38 ng L-1). The retrospective screening resulted in the detection of 27 compounds that had not been included in the target analysis. The suspect compounds tentatively identified included atazanavir, citalopram, climbazole, bezafibrate estradiol, desmethylvenlafaxine, losartan carboxylic acid and cetirizine, of which citalopram, estradiol and cetirizine were confirmed using a standard. Carbamazepine, atrazine, efavirenz, lopinavir, fexofenadine and 5-methylbenzotriazole were among the compounds detected following the non-targeted screening approach, of which carbamazepine was confirmed using a standard. Given the detection of the target antifungals in the effluent, the findings are a call for a wide assessment of their occurrence in aquatic environments and their role in ecotoxicology as well as in selection of drug resistant fungi. The findings of this work further highlights the practical benefits obtained for the identification of a broader range of emerging pollutants in the environment when retrospective screening is applied to high resolution and high accuracy mass spectrometric data.
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Affiliation(s)
- Hailemariam Abrha Assress
- University of South Africa, College of Science Engineering and Technology, Nanotechnology and Water Sustainability Research Unit, UNISA Science Campus, P.O. Box 392, UNISA 0003, Florida, 1709 Johannesburg, South Africa
| | - Hlengilizwe Nyoni
- University of South Africa, College of Science Engineering and Technology, Nanotechnology and Water Sustainability Research Unit, UNISA Science Campus, P.O. Box 392, UNISA 0003, Florida, 1709 Johannesburg, South Africa
| | - Bhekie B Mamba
- University of South Africa, College of Science Engineering and Technology, Nanotechnology and Water Sustainability Research Unit, UNISA Science Campus, P.O. Box 392, UNISA 0003, Florida, 1709 Johannesburg, South Africa
| | - Titus A M Msagati
- University of South Africa, College of Science Engineering and Technology, Nanotechnology and Water Sustainability Research Unit, UNISA Science Campus, P.O. Box 392, UNISA 0003, Florida, 1709 Johannesburg, South Africa.
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Tolouei S, Autixier L, Taghipour M, Burnet JB, Bonsteel J, Duy SV, Sauvé S, Prévost M, Dorner S. Precipitation effects on parasite, indicator bacteria, and wastewater micropollutant loads from a water resource recovery facility influent and effluent. JOURNAL OF WATER AND HEALTH 2019; 17:701-716. [PMID: 31638022 DOI: 10.2166/wh.2019.054] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
The variability of fecal microorganisms and wastewater micropollutants (WWMPs) loads in relation to influent flow rates was evaluated for a water resource recovery facility (WRRF) in support of a vulnerability assessment of a drinking water source. Incomplete treatment and bypass discharges often occur following intense precipitation events that represent conditions that deviate from normal operation. Parasites, fecal indicator bacteria, and WWMPs concentrations and flow rate were measured at the WRRF influent and effluent during dry and wet weather periods. Influent concentrations were measured to characterize potential bypass concentrations that occur during wet weather. Maximum influent Giardia and C. perfringens loads and maximum effluent Escherichia coli and C. perfringens loads were observed during wet weather. Influent median loads of Cryptosporidium and Giardia were 6.8 log oocysts/day and 7.9 log cysts/day per 1,000 people. Effluent median loads were 3.9 log oocysts/day and 6.3 log cysts/day per 1,000 people. High loads of microbial contaminants can occur during WRRF bypasses following wet weather and increase with increasing flow rates; thus, short-term infrequent events such as bypasses should be considered in vulnerability assessments of drinking water sources in addition to the increased effluent loads during normal operation following wet weather.
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Affiliation(s)
- Samira Tolouei
- Canada Research Chair on the Dynamics of Microbial Contaminants in Source Waters, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, Station Centre-Ville, P.O. Box 6079, Montréal, Quebec, Canada H3C 3A7 E-mail: ; NSERC Industrial Chair on Drinking Water, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, Station Centre-Ville, P.O. Box 6079, Montréal, Quebec, Canada H3C 3A7
| | - Laurène Autixier
- Canada Research Chair on the Dynamics of Microbial Contaminants in Source Waters, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, Station Centre-Ville, P.O. Box 6079, Montréal, Quebec, Canada H3C 3A7 E-mail:
| | - Milad Taghipour
- Canada Research Chair on the Dynamics of Microbial Contaminants in Source Waters, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, Station Centre-Ville, P.O. Box 6079, Montréal, Quebec, Canada H3C 3A7 E-mail:
| | - Jean-Baptiste Burnet
- Canada Research Chair on the Dynamics of Microbial Contaminants in Source Waters, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, Station Centre-Ville, P.O. Box 6079, Montréal, Quebec, Canada H3C 3A7 E-mail: ; NSERC Industrial Chair on Drinking Water, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, Station Centre-Ville, P.O. Box 6079, Montréal, Quebec, Canada H3C 3A7
| | - Jane Bonsteel
- Peel Region, 10 Peel Centre Dr., Brampton, ON, Canada L6T 4B9
| | - Sung Vo Duy
- Chemistry Department, Université de Montréal, C.P. 6128, Centre-Ville, Montréal, QC, Canada H3C 3J7
| | - Sébastien Sauvé
- Chemistry Department, Université de Montréal, C.P. 6128, Centre-Ville, Montréal, QC, Canada H3C 3J7
| | - Michèle Prévost
- NSERC Industrial Chair on Drinking Water, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, Station Centre-Ville, P.O. Box 6079, Montréal, Quebec, Canada H3C 3A7
| | - Sarah Dorner
- Canada Research Chair on the Dynamics of Microbial Contaminants in Source Waters, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, Station Centre-Ville, P.O. Box 6079, Montréal, Quebec, Canada H3C 3A7 E-mail:
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Han Y, Ma M, Oda Y, Rao K, Wang Z, Yang R, Liu Y. Insight into the generation of toxic products during chloramination of carbamazepine: Kinetics, transformation pathway and toxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 679:221-228. [PMID: 31082595 DOI: 10.1016/j.scitotenv.2019.04.423] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 04/01/2019] [Accepted: 04/28/2019] [Indexed: 06/09/2023]
Abstract
As a widely used antiepileptic drug, carbamazepine (CBZ) has been frequently detected in aquatic environments, even in drinking water. Chloramine is a widely used alternative disinfectant due to its low-level formation of regulated disinfection byproducts (DBPs). However, there is previous evidence linking product mixtures of chloraminated CBZ to stronger DNA damage effects than those caused by CBZ itself. The present study further investigated the reaction rate, transformation mechanism and multi-endpoint toxicity of transformation products (TPs) of CBZ treated with NH2Cl under different pH conditions. The results showed that the reaction between CBZ and NH2Cl at pH 8.5, where NH2Cl is stable, is a second-order reaction with a rate of 4.2 M-1 h-1. Compared to both alkaline and acidic conditions, CBZ was quickly degraded at pH 7. This indicated that HOCl produced from NH2Cl hydrolysis is more effective in degrading CBZ than NH2Cl and NHCl2. Furthermore, the concentration variation of four TPs formed during the chloramination of CBZ under different pH conditions was investigate by quantitative analysis, and the transformation pathway from CBZ to 9(10H)-acridone was confirmed. Three of the detected TPs showed cytotoxicity, DNA damage effects or chromosome damage effects. Acridine and 9(10H)-acridone, which accumulated with increasing time, showed higher cytotoxic or genotoxic effects than CBZ itself. In addition, a similar transformation mechanism was observed in real ambient water during simulated chloramination with a low level of CBZ. These results suggested that despite the chloramination of CBZ being slower than chlorination, TPs with higher cytotoxicity or genotoxicity may lead to greater toxic risks.
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Affiliation(s)
- Yingnan Han
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China
| | - Mei Ma
- Key Laboratory of Drinking Water Science and Technology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China; College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100049, PR China.
| | - Yoshimitsu Oda
- Institute of Life and Environmental Sciences, Osaka Shin-Ai college, 6-2-28 Tsurumi, Tsurumi-ku, Osaka 538-0053, Japan
| | - Kaifeng Rao
- State Key laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China
| | - Zijian Wang
- State Key laboratory of Environmental Aquatic Chemistry, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, PR China
| | - Rong Yang
- Beijing Water Quality Monitoring Center for South-to-North Water Diversion, Beijing 100093, China
| | - Yihong Liu
- Beijing Water Quality Monitoring Center for South-to-North Water Diversion, Beijing 100093, China
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Naguib IA, Elyazeed NA, Elroby FA, El-Ghobashy MR. Stability indicating spectrophotometric methods for quantitative determination of carbamazepine and its degradation product, iminostilbene, in pure form and pharmaceutical formulations. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 214:21-31. [PMID: 30754023 DOI: 10.1016/j.saa.2019.01.080] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 01/22/2019] [Accepted: 01/27/2019] [Indexed: 06/09/2023]
Abstract
A stressed study on the stability and degradation behavior under ICH forced degradation conditions of most widely used antiepileptic drug; carbamazepine (CMZ) is presented in this work. The research also includes studying spectrophotometric nature of CMZ and assaying it with mostly used spectrophotometric techniques. Six simple and sensitive spectrophotometric methods are introduced as stability indicating methods for quantitative determination of CMZ and its degradation product, one of its reported potential impurities; iminostilbene (IMS). Dual wavelength is method I where two wavelengths (215 and 270 nm for CMZ and 258 and 307 nm for IMS) were chosen for each component while absorbance difference is zero for the second one. Method II is isoabsorptive point method where the absorbance of CMZ at A225 nm was measured in the range of 0.5-20 μg mL-1. Method III is second derivative method which allows simultaneous determination of CMZ at 247 nm and IMS at 273 nm without any interference. Method IV based on measuring the peak amplitude of first derivative of ratio spectra (1DD) at 280.5 and 253 nm for determination of CMZ and IMS, respectively. Method V is mean centering of the ratio spectra with good linearity for CMZ and IMS over 200-330 nm. Ratio difference method is method VI where good linearity was achieved for determination of CMZ and IMS by measuring differences in the amplitude of ratio spectra at 285, 258 nm and 258, 285 nm, respectively. The proposed methods show successful application in CMZ's pharmaceutical formulations.
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Affiliation(s)
- Ibrahim A Naguib
- Pharmaceutical Analytical Chemistry Department, Faculty of Pharmacy, Beni-Suef University, 62514 Beni-Suef, Egypt
| | - Nesma Abo Elyazeed
- Analytical Toxicology Laboratory, Forensic Medicine Authority, Ministry of Justice, 11647 Cairo, Egypt.
| | - Fadwa A Elroby
- Forensic Medicine and Clinical Toxicology Department, Faculty of Medicine, Beni-Suef University, Beni-Suef, Egypt
| | - Mohamed R El-Ghobashy
- Analytical Chemistry Department, Faculty of Pharmacy, Cairo University, 11562 Cairo, Egypt; October 6 University, Faculty of Pharmacy, October 6 City, Giza, Egypt
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Thelusmond JR, Strathmann TJ, Cupples AM. Carbamazepine, triclocarban and triclosan biodegradation and the phylotypes and functional genes associated with xenobiotic degradation in four agricultural soils. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 657:1138-1149. [PMID: 30677881 DOI: 10.1016/j.scitotenv.2018.12.145] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/02/2018] [Revised: 12/07/2018] [Accepted: 12/10/2018] [Indexed: 06/09/2023]
Abstract
Pharmaceuticals and personal care products (PPCPs) are released into the environment due to their poor removal during wastewater treatment. Agricultural soils subject to irrigation with wastewater effluent and biosolids application are possible reservoirs for these chemicals. This study examined the impact of the pharmaceutical carbamazepine (CBZ), and the antimicrobial agents triclocarban (TCC) and triclosan (TCS) on four soil microbial communities using shotgun sequencing (HiSeq Illumina) with the overall aim of determining possible degraders as well as the functional genes related to general xenobiotic degradation. The biodegradation of CBZ and TCC was slow, with ≤50% decrease during the 80-day incubation period. In contrast, TCS biodegradation was rapid, with ~80% removal in 25 days. For each chemical, when all four soils were considered together, between three and ten phylotypes (from multiple phyla) were more abundant in the soil samples compared to the live controls. The genera of a number of previously reported CBZ, TCC or TCS degrading isolates were present; Rhodococcus (CBZ), Streptomyces (CBZ), Pseudomonas (CBZ, TCC, TCS), Sphingomonas (TCC, TCS), Methylobacillus (TCS) and Stenotrophomonas (TCS) were among the most abundant (chemical previously reported to be degraded is shown in parenthesis). From the analysis of xenobiotic degrading pathways, genes from five KEGG (Kyoto Encyclopedia of Genes and Genomes) Orthology pathways were the most dominant, including those associated with aminobenzoate, benzoate (most common), chlorocyclohexane/chlorobenzene, dioxin and nitrotoluene biodegradation. Several phylotypes including Bradyrhizobium, Mycobacterium, Rhodopseudomonas, Pseudomonas, Cupriavidus, and Streptomyces were common genera associated with these pathways. Overall, the data suggest several phylotypes are likely involved in the biodegradation of these PPCPs with Pseudomonas being an important genus.
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Affiliation(s)
- Jean-Rene Thelusmond
- Department of Civil and Environmental Engineering, Michigan State University, East Lansing, MI 48824, USA
| | - Timothy J Strathmann
- Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401, USA
| | - Alison M Cupples
- Department of Civil and Environmental Engineering, Michigan State University, East Lansing, MI 48824, USA.
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He K, Yonetani T, Asada Y, Echigo S, Itoh S. Simultaneous determination of carbamazepine-N-glucuronide and carbamazepine phase I metabolites in the wastewater by liquid chromatography-tandem mass spectrometry. Microchem J 2019. [DOI: 10.1016/j.microc.2018.12.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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46
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Tolouei S, Burnet JB, Autixier L, Taghipour M, Bonsteel J, Duy SV, Sauvé S, Prévost M, Dorner S. Temporal variability of parasites, bacterial indicators, and wastewater micropollutants in a water resource recovery facility under various weather conditions. WATER RESEARCH 2019; 148:446-458. [PMID: 30408731 DOI: 10.1016/j.watres.2018.10.068] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 10/22/2018] [Accepted: 10/24/2018] [Indexed: 06/08/2023]
Abstract
Wastewater discharges lead to the deterioration of receiving waters through treated effluents and by-passes, combined and sanitary sewer overflows, and cross-connections to storm sewers. The influence of weather conditions on fecal indicator bacteria, pathogens and wastewater micropollutants on raw and treated sewage concentrations has not been extensively characterized. However, such data are needed to understand the effects of by-pass discharges and incomplete treatment on receiving waters. A water resource recovery facility was monitored for pathogenic parasites (Cryptosporidium oocysts, Giardia cysts), fecal indicator bacteria (Escherichia coli, Clostridium perfringens), and wastewater micropollutants (caffeine, carbamazepine, 2-hydroxycarbamazepine, acesulfame, sucralose, and aspartame) during 6 events under different weather conditions (snowmelt and trace to 32 mm 2-day cumulative precipitation). Greater intra- and inter-event variability was observed for Giardia, E. coli and C. perfringens than for studied WWMPs. Even with the addition of inflow and infiltration, daily variations dominated concentration trends. Thus, afternoon and early evening were identified as critical times with regards to high concentrations and flows for potential by-pass discharges. Peak concentrations of Giardia were observed during the June wet weather event (1010 cysts/L), with the highest flowrates relative to the mean monthly flowrate. Overall, Giardia, E. coli and C. perfringens concentrations were positively correlated with flowrate (R > 0.32, p < 0.05). In raw sewage samples collected under high precipitation conditions, caffeine, carbamazepine and its metabolite 2-OH-carbamazepine were significantly correlated (p < 0.05) with Giardia, E. coli, and C. perfringens demonstrating that they are useful markers for untreated sewage discharges. Data from the study are needed for estimating peak concentrations discharged from wastewater sources in relation to precipitation or snowmelt events.
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Affiliation(s)
- Samira Tolouei
- Canada Research Chair in Source Water Protection, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, P.O. Box 6079, Station Centre-Ville, Montréal, QC, H3C 3A7, Canada; NSERC Industrial Chair on Drinking Water, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, P.O. Box 6079, Station Centre-Ville, Montréal, QC, H3C 3A7, Canada.
| | - Jean-Baptiste Burnet
- Canada Research Chair in Source Water Protection, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, P.O. Box 6079, Station Centre-Ville, Montréal, QC, H3C 3A7, Canada; NSERC Industrial Chair on Drinking Water, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, P.O. Box 6079, Station Centre-Ville, Montréal, QC, H3C 3A7, Canada
| | - Laurène Autixier
- Canada Research Chair in Source Water Protection, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, P.O. Box 6079, Station Centre-Ville, Montréal, QC, H3C 3A7, Canada
| | - Milad Taghipour
- Canada Research Chair in Source Water Protection, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, P.O. Box 6079, Station Centre-Ville, Montréal, QC, H3C 3A7, Canada
| | - Jane Bonsteel
- Peel Region, 10 Peel Centre Dr, Brampton, L6T 4B9, ON, Canada
| | - Sung Vo Duy
- Chemistry Department, University of Montréal, C.P. 6128, Centre-ville, Montréal, H3C 3J7, QC, Canada
| | - Sébastien Sauvé
- Chemistry Department, University of Montréal, C.P. 6128, Centre-ville, Montréal, H3C 3J7, QC, Canada
| | - Michéle Prévost
- NSERC Industrial Chair on Drinking Water, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, P.O. Box 6079, Station Centre-Ville, Montréal, QC, H3C 3A7, Canada
| | - Sarah Dorner
- Canada Research Chair in Source Water Protection, Polytechnique Montréal, Civil, Geological and Mining Engineering Department, P.O. Box 6079, Station Centre-Ville, Montréal, QC, H3C 3A7, Canada
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Thelusmond JR, Kawka E, Strathmann TJ, Cupples AM. Diclofenac, carbamazepine and triclocarban biodegradation in agricultural soils and the microorganisms and metabolic pathways affected. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 640-641:1393-1410. [PMID: 30021306 DOI: 10.1016/j.scitotenv.2018.05.403] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2018] [Revised: 05/31/2018] [Accepted: 05/31/2018] [Indexed: 04/15/2023]
Abstract
The incomplete elimination of pharmaceuticals and personal care products (PPCPs) during wastewater treatment has resulted in their detection in the environment. PPCP biodegradation is a potential removal mechanism; however, the microorganisms and pathways involved in soils are generally unknown. Here, the biodegradation of diclofenac (DCF), carbamazepine (CBZ) and triclocarban (TCC) in four agricultural soils at concentrations typically detected in soils and biosolids (50 ng g-1) was examined. Rapid DCF removal (<7 days) was observed under aerobic conditions, but only limited biodegradation was noted under other redox conditions. CBZ and TCC degradation under aerobic conditions was slow (half-lives of 128-241 days and 165-190 days for CBZ and TCC). Phylotypes in the Proteobacteria, Gemmatimonadales and Actinobacteria were significantly more abundant during DCF biodegradation compared to the controls (no DCF). For CBZ, those in the Bacteroidetes, Actinobacteria, Proteobacteria and Verrucomicrobia were enriched compared to the controls. Actinobacteria and Proteobacteria were also enriched during TCC biodegradation. Such differences could indicate these microorganisms are associated with the biodegradation of these compounds, as they appear to be benefiting from their removal. The impact of these PPCPs on the KEGG pathways associated with metabolism was also examined. Four pathways were positively impacted during DCF biodegradation (propanoate, lysine, fatty acid & benzoate metabolism). These pathways are likely common in soils, explaining the rapid removal of DCF. There was limited impact of CBZ on the metabolic pathways. TCC removal was linked to genes associated with the degradation of simple and complex substrates. The results indicate even low concentrations of PPCPs significantly affect soil communities. The recalcitrant nature of TCC and CBZ suggests soils receiving biosolids could accumulate these chemicals, representing risks concerning crop uptake.
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Affiliation(s)
- Jean-Rene Thelusmond
- Department of Civil and Environmental Engineering, Michigan State University, East Lansing, MI 48824, USA
| | - Emily Kawka
- Department of Civil and Environmental Engineering, Michigan State University, East Lansing, MI 48824, USA
| | - Timothy J Strathmann
- Department of Civil and Environmental Engineering, Colorado School of Mines, Golden, CO 80401, USA
| | - Alison M Cupples
- Department of Civil and Environmental Engineering, Michigan State University, East Lansing, MI 48824, USA.
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Montemurro N, García-Vara M, Peña-Herrera JM, Lladó J, Barceló D, Pérez S. Conventional and Advanced Processes for the Removal of Pharmaceuticals and Their Human Metabolites from Wastewater. ACTA ACUST UNITED AC 2018. [DOI: 10.1021/bk-2018-1302.ch002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Affiliation(s)
- Nicola Montemurro
- Water and Soil Quality Research Group, Department of Environmental Chemistry (IDAEA), Spanish National Research Council (CSIC), Barcelona 08034, Spain
| | - Manuel García-Vara
- Water and Soil Quality Research Group, Department of Environmental Chemistry (IDAEA), Spanish National Research Council (CSIC), Barcelona 08034, Spain
| | - Juan Manuel Peña-Herrera
- Water and Soil Quality Research Group, Department of Environmental Chemistry (IDAEA), Spanish National Research Council (CSIC), Barcelona 08034, Spain
| | - Jordi Lladó
- Department of Mining, Industrial and TIC Engineering (EMIT), Universitat Politécnica de Catalunya (UPC), Manresa, Barcelona 08242, Spain
| | - Damià Barceló
- Water and Soil Quality Research Group, Department of Environmental Chemistry (IDAEA), Spanish National Research Council (CSIC), Barcelona 08034, Spain
| | - Sandra Pérez
- Water and Soil Quality Research Group, Department of Environmental Chemistry (IDAEA), Spanish National Research Council (CSIC), Barcelona 08034, Spain
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49
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Rezaei Kahkha MR, Oveisi AR, Kaykhaii M, Rezaei Kahkha B. Determination of carbamazepine in urine and water samples using amino-functionalized metal-organic framework as sorbent. Chem Cent J 2018; 12:77. [PMID: 29961226 PMCID: PMC6026485 DOI: 10.1186/s13065-018-0446-x] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2017] [Accepted: 06/26/2018] [Indexed: 11/24/2022] Open
Abstract
A stable and porous amino-functionalized zirconium-based metal organic framework (Zr-MOF-NH2) containing missing linker defects was prepared and fully characterized by FTIR, scanning electron microscopy, powder X-ray diffraction, and BET surface area measurement. The Zr-MOF-NH2 was then applied as an adsorbent in pipette-tip solid phase extraction (PT-SPE) of carbamazepine. Important parameters affecting extraction efficiency such as pH, sample volume, type and volume of eluent, amount of adsorbent, and number of aspirating/dispensing cycles for sample solution and eluent solvent were investigated and optimized. The best extraction efficiency was obtained when pH of 100 µL of sample solution was adjusted to 7.5 and 5 mg of the sorbent was used. Eluent solvent was 10 µL methanol. Linear dynamic range was found to be between 0.1 and 50 µg L−1 and limit of detection for 10 measurement of blank solution was 0.05 µg L−1. This extraction method was coupled to HPLC and was successfully employed for the determination of carbamazepine in urine and water samples. The strategy combined the advantages of fast and easy operation of PT-SPE with robustness and large adsorption capacity of Zr-MOF-NH2.
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Affiliation(s)
- Mohammad Reza Rezaei Kahkha
- Department of Environmental Health Engineering, Faculty of Health, Zabol University of Medical Sciences, Zabol, Iran. .,Zabol Medicinal Plants Reseach Center, Zabol University of Medical Sciences, Zabol, Iran.
| | | | - Massoud Kaykhaii
- Department of Chemistry, Faculty of Sciences, University of Sistan and Baluchestan, Zahedan, Iran.,Smartphone Analytical Sensors Research Centre, University of Sistan and Baluchestan, Zahedan, Iran
| | - Batool Rezaei Kahkha
- Department of Environmental Health Engineering, Faculty of Health, Zabol University of Medical Sciences, Zabol, Iran
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Zucker I, Mamane H, Riani A, Gozlan I, Avisar D. Formation and degradation of N-oxide venlafaxine during ozonation and biological post-treatment. THE SCIENCE OF THE TOTAL ENVIRONMENT 2018; 619-620:578-586. [PMID: 29156276 DOI: 10.1016/j.scitotenv.2017.11.133] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/09/2017] [Revised: 11/11/2017] [Accepted: 11/12/2017] [Indexed: 06/07/2023]
Abstract
While ozonation is considered an efficient treatment to eliminate trace organic compounds (TrOCs) from secondary wastewater effluents, the presence and persistence of transformation products (TPs) resulting from ozonation of TrOCs is a major concern that should be assessed prior to effluent discharge to the environment. Venlafaxine (VLX), an environmentally relevant tertiary amine-containing TrOC, was chosen as the model for this study. TP analysis confirmed that the lone electron pair of the non-protonated amine are the predominant site of oxidant attack, and therefore strongly affected by pH value and VLX speciation. N-oxide VLX (NOV), the primary ozone-induced TP, was formed and degraded simultaneously during ozonation of VLX-containing secondary effluent and reached a maximum yield of 0.44 to 0.85 (NOV-to-VLX0 ratio), depending on pH and hydroxyl (OH) radical presence. Rate constants for the reaction of NOV with ozone (3.1×102M-1s-1) and OH radicals (5.3×109M-1s-1) were determined. A simple kinetic model was developed to fit the kinetics of formation and degradation of NOV during ozonation in secondary effluents, based on a known ozone-reaction kinetic equation. The biodegradability of NOV (degradation rate of 39%) was significantly lower than that of the parent compound (VLX, 92%) after 71days, as evaluated by modified Zahn-Wellens tests, suggesting that N-oxide products are not better removed than the parent compound in a simulated biological post-treatment, which may even result in partial reformation of the parent compound. Lessons learned from this study were supported by a pilot-scale demonstration at the Shafdan wastewater-treatment plant, confirming the presence of NOV after ozonation and its persistence in biological post-treatment. Removal of such persistent TP will require higher dosages or promotion of OH-radicals during ozonation. Nevertheless, further assessment of the toxicity of persistent TPs relative to the parent compound is needed for complete evaluation of concerned TPs.
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Affiliation(s)
- Ines Zucker
- School of Mechanical Engineering and Water Research Center, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel; Hydro-Chemistry and Water Research Center, Earth Sciences, Tel Aviv University, Tel Aviv 69978, Israel; Department of Environmental and Chemical Engineering, Yale University, New Haven, CT 06520, USA.
| | - Hadas Mamane
- School of Mechanical Engineering and Water Research Center, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel
| | - Alon Riani
- School of Mechanical Engineering and Water Research Center, Faculty of Engineering, Tel Aviv University, Tel Aviv 69978, Israel; Hydro-Chemistry and Water Research Center, Earth Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Igal Gozlan
- Hydro-Chemistry and Water Research Center, Earth Sciences, Tel Aviv University, Tel Aviv 69978, Israel
| | - Dror Avisar
- Hydro-Chemistry and Water Research Center, Earth Sciences, Tel Aviv University, Tel Aviv 69978, Israel
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