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Wang H, Dang D, Zhu L, Pan M, Zhu J, Lu W, Lu S, Zhao J. Effects of Varied Sulfamethazine Dosage and Exposure Durations on Offspring Mice. Microorganisms 2024; 12:381. [PMID: 38399785 PMCID: PMC10892975 DOI: 10.3390/microorganisms12020381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Revised: 01/23/2024] [Accepted: 01/25/2024] [Indexed: 02/25/2024] Open
Abstract
The development of antibiotics was a turning point in the history of medicine; however, their misuse and overuse have contributed to the current global epidemic of antibiotic resistance. According to epidemiological studies, early antibiotic exposure increases the risk of immunological and metabolic disorders. This study investigated the effects of exposure to different doses of sulfamethazine (SMZ) on offspring mice and compared the effects of exposure to SMZ on offspring mice in prenatal and early postnatal periods and continuous periods. Furthermore, the effects of SMZ exposure on the gut microbiota of offspring mice were analyzed using metagenome. According to the results, continuous exposure to high-dose SMZ caused weight gain in mice. IL-6, IL-17A, and IL-10 levels in the female offspring significantly increased after high-dose SMZ exposure. In addition, there was a significant gender difference in the impact of SMZ exposure on the gut microbiota of offspring: Continuous high-dose SMZ exposure significantly decreased the relative abundance of Ligilactobacillus murinus, Limosilactobacillus reuteri, Lactobacillus johnsonii, and Bifidobacterium pseudolongum (p < 0.05) in female offspring mice; however, these significant changes were not observed in male offspring mice.
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Affiliation(s)
- Hongchao Wang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; (H.W.); (D.D.); (L.Z.); (M.P.); (J.Z.); (W.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Danting Dang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; (H.W.); (D.D.); (L.Z.); (M.P.); (J.Z.); (W.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Leilei Zhu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; (H.W.); (D.D.); (L.Z.); (M.P.); (J.Z.); (W.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Mingluo Pan
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; (H.W.); (D.D.); (L.Z.); (M.P.); (J.Z.); (W.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Jinlin Zhu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; (H.W.); (D.D.); (L.Z.); (M.P.); (J.Z.); (W.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Wenwei Lu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; (H.W.); (D.D.); (L.Z.); (M.P.); (J.Z.); (W.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
| | - Shourong Lu
- Wuxi People’s Hospital (The Affiliated Wuxi People’s Hospital of Nanjing Medical University), Wuxi Medical Center, Nanjing Medical University, Wuxi 214023, China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi 214122, China; (H.W.); (D.D.); (L.Z.); (M.P.); (J.Z.); (W.L.)
- School of Food Science and Technology, Jiangnan University, Wuxi 214122, China
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2
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Dos Santos PE, do Amaral MS, Fernando Mazon Cardoso T, Kassab NM. Development and validation of method for the simultaneous determination of sulfamethazine, trimethoprim and doxycycline in veterinary formulation using high performance liquid chromatography. Biomed Chromatogr 2024; 38:e5781. [PMID: 37994231 DOI: 10.1002/bmc.5781] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2023] [Revised: 10/26/2023] [Accepted: 10/31/2023] [Indexed: 11/24/2023]
Abstract
Sulfamethazine (SMZ), trimethoprim (TMP) and doxycycline (DOXY) are drugs of choice used in the treatment of intestinal and respiratory infections that affect poultry and swine. The aim of this study was develop and validate a simple, sensitive and fast method for the simultaneous determination of SMZ, TMP and DOXY in veterinary formulations by high-performance liquid chromatography. The separation was performed on a Macherey-Nagel C8 analytical column (4 × 125 mm, 5 μm), with a flow rate of 0.5 ml min-1 and detection at 268, 270 and 350 nm, for SMZ, TMP and DOXY, respectively. All measurements were performed in acetonitrile-water (45:55 v/v; pH 3.0). The analytical curves were linear (r > 0.9997) in the concentration range of 5.0-35.0 μg ml-1 for SMZ, 1.0-7.0 μg ml-1 for TMP and 7.0-13.0 μg ml-1 for DOXY. The method proved to be precise, robust, accurate and selective. In accelerated stability, the sample was analyzed for 6 months, with no major variations observed in organoleptic analysis and pH. Therefore, the developed method was proved to be suitable for routine quality control analyses for the simultaneous determination of SMZ, TMP and DOXY in pharmaceutical formulations.
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Affiliation(s)
- Patrícia Espinosa Dos Santos
- Laboratory of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Food, and Nutrition, Federal University of Mato Grosso do Sul, Campo Grande, MS, Brazil
| | | | - Teófilo Fernando Mazon Cardoso
- Laboratory of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Food, and Nutrition, Federal University of Mato Grosso do Sul, Campo Grande, MS, Brazil
| | - Nájla Mohamad Kassab
- Laboratory of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences, Food, and Nutrition, Federal University of Mato Grosso do Sul, Campo Grande, MS, Brazil
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Zhu ZY, Wang YD, Wang XW, Dai GL, Ma SJ, Liu X, Li JH, Jin L, Lin ZX. Pd/MIL-100(Fe) as hydrogen activator for Fe III/Fe II cycle: Fenton removal of sulfamethazine. Environ Technol 2023; 44:3504-3517. [PMID: 35389329 DOI: 10.1080/09593330.2022.2064237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/07/2021] [Accepted: 03/27/2022] [Indexed: 06/14/2023]
Abstract
Masses of iron sludge generated from engineering practice of classic Fenton reaction constraints its further promotion. Accelerating the FeIII/FeII cycle may be conducive to reducing the initial ferrous slat dosage and the final iron sludge. Based on the reduction of Pd/MIL-100(Fe)-activated hydrogen, an improved Fenton system named MHACF-MIL-100(Fe) was developed at ambient temperature and pressure. 97.8% of sulfamethazine, the target pollutant in this work, could be degraded in 5 min under the conditions of 20 mM H2O2, 25 μM ferrous chloride, initial pH 3.0, 2 g·L-1 composite catalyst Pd/MIL-100(Fe) and hydrogen gas 60 mL·min-1. Combining density functional theory (DFT) calculation and intermediate detection, the degradation of this antibiotic was inferred to start from the cleavage of N-S bond. The catalytic of Pd/MIL-100(Fe), demonstrated by the removal efficiency of SMT and the catalyst morphology, remained intact after six reaction cycles. The present study provides an insight into the promotion of Fenton reaction.
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Affiliation(s)
- Zi-Yan Zhu
- School of Environmental Science and Engineering, Institute of Solid Waste Pollution Control and Resource Reuse, Institute of Environmental Protection Application Technology, Suzhou University of Science and Technology, Suzhou, People's Republic of China
| | - Yun-Dong Wang
- School of Environmental Science and Engineering, Institute of Solid Waste Pollution Control and Resource Reuse, Institute of Environmental Protection Application Technology, Suzhou University of Science and Technology, Suzhou, People's Republic of China
| | - Xiao-Wen Wang
- School of Environmental Science and Engineering, Institute of Solid Waste Pollution Control and Resource Reuse, Institute of Environmental Protection Application Technology, Suzhou University of Science and Technology, Suzhou, People's Republic of China
| | - Guo-Liang Dai
- School of Chemistry and Life Science, Suzhou University of Science and Technology, Suzhou, People's Republic of China
| | - San-Jian Ma
- School of Environmental Science and Engineering, Institute of Solid Waste Pollution Control and Resource Reuse, Institute of Environmental Protection Application Technology, Suzhou University of Science and Technology, Suzhou, People's Republic of China
- Suzhou Cott Environmental Protection Co., Ltd., Suzhou, People's Republic of China
| | - Xin Liu
- School of Environmental Science and Engineering, Institute of Solid Waste Pollution Control and Resource Reuse, Institute of Environmental Protection Application Technology, Suzhou University of Science and Technology, Suzhou, People's Republic of China
- Suzhou Cott Environmental Protection Co., Ltd., Suzhou, People's Republic of China
| | - Juan-Hong Li
- Changzhou Vocational Institute of Engineering, Changzhou, People's Republic of China
| | - Long Jin
- School of Environmental Science and Engineering, Institute of Solid Waste Pollution Control and Resource Reuse, Institute of Environmental Protection Application Technology, Suzhou University of Science and Technology, Suzhou, People's Republic of China
| | - Zi-Xia Lin
- Testing Center, Yangzhou University, Yangzhou, People's Republic of China
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Zhou T, Ji W, Fan H, Zhang L, Wan X, Fan Z, Liu GL, Peng Q, Huang L. A Metasurface Plasmonic Analysis Platform Combined with Gold Nanoparticles for Ultrasensitive Quantitative Detection of Small Molecules. Biosensors (Basel) 2023; 13:681. [PMID: 37504080 PMCID: PMC10377222 DOI: 10.3390/bios13070681] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/22/2023] [Accepted: 05/25/2023] [Indexed: 07/29/2023]
Abstract
Food safety related to drug residues in food has become a widespread public concern. Small-molecule drug residue analysis often relies on mass spectrometry, thin-layer chromatography, or enzyme-linked immunosorbent assays (ELISA). Some of these techniques have limited sensitivity and accuracy, while others are time-consuming, costly, and rely on specialized equipment that requires skilled operation. Therefore, the development of a sensitive, fast, and easy-to-operate biosensor could provide an accessible alternative to conventional small-molecule analysis. Here, we developed a nanocup array-enhanced metasurface plasmon resonance (MetaSPR) chip coupled with gold nanoparticles (AuNPs) (MSPRAN) to detect small molecules. As sulfamethazine drug residues in poultry eggs may cause health issues, we selected this as a model to evaluate the feasibility of using MSPRAN for small-molecule detection. The MSPRAN biosensor employed competitive immunoassay technology for sulfamethazine detection. The limit of detection was calculated as 73 pg/mL, with sensitivity approximately twice that of previously reported detection methods. Additionally, the recovery rate of the biosensor, tested in egg samples, was similar to that measured using ELISA. Overall, this newly developed MSPRAN biosensor platform for small-molecule detection provides fast and reliable results, facile operation, and is relatively cost-effective for application in food safety testing, environmental monitoring, or clinical diagnostics.
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Affiliation(s)
- Taohong Zhou
- Hubei Provincial Institute for Food Supervision and Test, Wuhan 430075, China
| | - Weihao Ji
- Hubei Provincial Institute for Food Supervision and Test, Wuhan 430075, China
| | - Hongli Fan
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Li Zhang
- Hubei Provincial Institute for Food Supervision and Test, Wuhan 430075, China
- Key Laboratory of Detection Technology of Focus Chemical Hazards in Animal-Derived Food for State Market Regulation, Wuhan 430075, China
- Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test, Wuhan 430075, China
| | - Xugang Wan
- Hubei Provincial Institute for Food Supervision and Test, Wuhan 430075, China
- Key Laboratory of Detection Technology of Focus Chemical Hazards in Animal-Derived Food for State Market Regulation, Wuhan 430075, China
- Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test, Wuhan 430075, China
| | - Zhiyong Fan
- Hubei Provincial Institute for Food Supervision and Test, Wuhan 430075, China
- Key Laboratory of Detection Technology of Focus Chemical Hazards in Animal-Derived Food for State Market Regulation, Wuhan 430075, China
- Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test, Wuhan 430075, China
| | - Gang Logan Liu
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Qingzhi Peng
- Hubei Provincial Institute for Food Supervision and Test, Wuhan 430075, China
- Key Laboratory of Detection Technology of Focus Chemical Hazards in Animal-Derived Food for State Market Regulation, Wuhan 430075, China
- Hubei Provincial Engineering and Technology Research Center for Food Quality and Safety Test, Wuhan 430075, China
| | - Liping Huang
- College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan 430074, China
- Liangzhun (Wuhan) Life Technology Co., Ltd., 666 Gaoxin Avenue, Wuhan 430070, China
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González-González JS, Pérez-Espinoza S, Martínez-Martínez FJ, Pineda-Contreras A, Canseco-Martínez MÁ, Flores-Alamo M, García-Ortega H. Crystal structure and characterization of the sulfamethazine-piperidine salt. Acta Crystallogr C Struct Chem 2023; 79:71-76. [PMID: 36871288 PMCID: PMC9985947 DOI: 10.1107/s2053229622012050] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2022] [Accepted: 12/21/2022] [Indexed: 02/12/2023] Open
Abstract
Sulfamethazine [N1-(4,6-dimethylpyrimidin-2-yl)sulfanilamide] is an antimicrobial drug that possesses functional groups capable of acting as hydrogen-bond donors and acceptors, which make it a suitable supramolecular building block for the formation of cocrystals and salts. We report here the crystal structure and solid-state characterization of the 1:1 salt piperidinium sulfamethazinate (PPD+·SUL-, C5H12N+·C12H13N4O2S-) (I). The salt was obtained by the solvent-assisted grinding method and was characterized by IR spectroscopy, powder X-ray diffraction, solid-state 13C NMR spectroscopy and thermal analysis [differential scanning calorimetry (DSC) and thermogravimetric analysis (TGA)]. Salt I crystallized in the monoclinic space group P21/n and showed a 1:1 stoichiometry revealing proton transfer from SUL to PPD to form salt I. The PPD+ and SUL- ions are connected by N-H+...O and N-H+...N interactions. The self-assembly of SUL- anions displays the amine-sulfa C(8) motif. The supramolecular architecture of salt I revealed the formation of interconnected supramolecular sheets.
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Affiliation(s)
- Juan Saulo González-González
- Instituto de Farmacobiología, Universidad de la Cañada, Carretera Teotitlán-San Antonio Nanahuatipán, km 1.7 s/n, Teotitlán de Flores Magón, Oaxaca, 68540, Mexico
| | - Salvador Pérez-Espinoza
- Instituto de Farmacobiología, Universidad de la Cañada, Carretera Teotitlán-San Antonio Nanahuatipán, km 1.7 s/n, Teotitlán de Flores Magón, Oaxaca, 68540, Mexico
| | | | - Armando Pineda-Contreras
- Facultad de Ciencias Químicas, Universidad de Colima, km 9 Carretera Colima-Coquimatlán, Coquimatlán, Colima, 28400, Mexico
| | | | - Marcos Flores-Alamo
- Facultad de Química, Universidad Nacional Autónoma de México, 04510, Ciudad de México, Mexico
| | - Héctor García-Ortega
- Facultad de Química, Universidad Nacional Autónoma de México, 04510, Ciudad de México, Mexico
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Qin W, Ma Y, He T, Hu J, Gao P, Yang S. Enhanced Heterogeneous Fenton-like Process for Sulfamethazine Removal via Dual-Reaction-Center Fe-Mo/rGO Catalyst. Nanomaterials (Basel) 2022; 12:4138. [PMID: 36500765 PMCID: PMC9740472 DOI: 10.3390/nano12234138] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 11/17/2022] [Accepted: 11/20/2022] [Indexed: 06/17/2023]
Abstract
A heterogeneous Fenton-like catalyst with single redox site has a rate-limiting step in oxidant activation, which limited its application in wastewater purification. To overcome this, a bimetallic doping strategy was designed to prepare a heterogeneous Fenton-like catalyst (Fe-Mo/rGO) with a double-reaction center. Combined with electrochemical impedance spectroscopy and density functional theory calculation, it was confirmed that the formation of an electron-rich Mo center and an electron-deficient Fe center through the constructed Fe-O-Mo and Mo-S-C bonding bridges induced a higher electron transfer capability in the Fe-Mo/rGO catalyst. The designed Fe-Mo/rGO catalyst exhibited excellent sulfamethazine (SMT) degradation efficiency in a broad pH range (4.8-8.4). The catalytic performance was hardly affected by inorganic anions (Cl-, SO42- and HCO3-) in the complicated and variable water environment. Compared to Fe/rGO and Mo/rGO catalysts, the SMT degradation efficiency increased by about 14.6 and 1.6 times in heterogeneous Fenton-like reaction over Fe-Mo/rGO catalyst. The electron spin resonance and radical scavenger experiments proved that ·O2-/HO2· and 1O2 dominate the SMT removal in the Fe-Mo/rGO/H2O2 system. Fe and Mo, as active centers co-supported on rGO, significantly enhanced the electron transfer between catalyst, oxidant, and pollutants, which accelerated the reactive oxygen species generation and effectively improved the SMT degradation. Our findings offer a novel perspective to enhance the performance of heterogeneous Fenton-like catalysts by accelerating the electron transfer rate in the degradation of organic pollutants.
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Affiliation(s)
- Weihua Qin
- School of Water Resources and Hydropower Engineering, North China Electric Power University, Beijing 102206, China
| | - Yueming Ma
- National Engineering Laboratory for Biomass Power Generation Equipment, School of Renewable Energy, North China Electric Power University, Beijing 102206, China
| | - Ting He
- School of Water Resources and Hydropower Engineering, North China Electric Power University, Beijing 102206, China
| | - Jingbin Hu
- School of Water Resources and Hydropower Engineering, North China Electric Power University, Beijing 102206, China
| | - Pan Gao
- National Engineering Laboratory for Biomass Power Generation Equipment, School of Renewable Energy, North China Electric Power University, Beijing 102206, China
| | - Shaoxia Yang
- School of Water Resources and Hydropower Engineering, North China Electric Power University, Beijing 102206, China
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Hu J, Liu F, Shan Y, Huang Z, Gao J, Jiao W. Enhanced Adsorption of Sulfonamides by Attapulgite-Doped Biochar Prepared with Calcination. Molecules 2022; 27. [PMID: 36432176 DOI: 10.3390/molecules27228076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/18/2022] [Accepted: 11/18/2022] [Indexed: 11/22/2022] Open
Abstract
The extensive use of sulfonamides seriously threatens the safety and stability of the ecological environment. Developing green inexpensive and effective adsorbents is critically needed for the elimination of sulfonamides from wastewater. The non-modified biochar exhibited limited adsorption capacity for sulfonamides. In this study, the attapulgite-doped biochar adsorbent (ATP/BC) was produced from attapulgite and rice straw by calcination. Compared with non-modified biochar, the specific surface area of ATP/BC increased by 73.53−131.26%, and the average pore width of ATP/BC decreased 1.77−3.60 nm. The removal rates of sulfadiazine and sulfamethazine by ATP/BC were 98.63% and 98.24%, respectively, at the mass ratio of ATP to rice straw = 1:10, time = 4 h, dosage = 2 g∙L−1, pH = 5, initial concentration = 1 mg∙L−1, and temperature = 20 °C. A pseudo-second-order kinetic model (R2 = 0.99) and the Freundlich isothermal model (R2 = 0.99) well described the process of sulfonamide adsorption on ATP/BC. Thermodynamic calculations showed that the adsorption behavior of sulfonamides on the ATP/BC was an endothermic (ΔH > 0), random (ΔS > 0), spontaneous reaction (ΔG < 0) that was dominated by chemisorption (−20 kJ∙mol−1 > ΔG). The potential adsorption mechanisms include electrostatic interaction, hydrogen bonding, π−π interaction, and Lewis acid−base interactions. This study provides an optional material to treat sulfonamides in wastewater and groundwater.
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Zeng J, Li Y, Jin G, Su JQ, Yao H. Short-Term Benzalkonium Chloride (C 12) Exposure Induced the Occurrence of Wide-Spectrum Antibiotic Resistance in Agricultural Soils. Environ Sci Technol 2022; 56:15054-15063. [PMID: 36069710 DOI: 10.1021/acs.est.2c04730] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Antibiotic resistance genes (ARGs) are global pollutants that pose a potential risk to human health. Benzalkonium chloride (C12) (BC) disinfectants are thought to exert selection pressure on antibiotic resistance. However, evidence of BC-induced changes in antibiotic resistance in the soil environment is lacking. Here, we established short-term soil microcosms to investigate ARG profile dynamics in agricultural soils amended with sulfamethazine (SMZ, 10 mg kg-1) and gradient concentrations of BC (0-100 mg kg-1), using high-throughput quantitative PCR and Illumina sequencing. With the increase in BC concentration, the number of ARGs detected in the soil increased, but the normalized ARG abundance decreased. The added SMZ had a limited impact on ARG profiles. Compared to broad-spectrum fungicidal BC, the specificity of SMZ significantly affected the microbial community. Network analysis found that low-medium BC exposure concentrations resulted in the formation of small but strong ARG co-occurrence clusters in the soil, while high BC exposure concentration led to a higher incidence of ARGs. Variation partitioning analysis suggested that BC stress was the major driver shaping the ARG profile. Overall, this study highlighted the emergence and spread of BC-induced ARGs, potentially leading to the antimicrobial resistance problem in agricultural soils.
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Affiliation(s)
- Jieyi Zeng
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
- Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, People's Republic of China
| | - Yaying Li
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, People's Republic of China
- Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, People's Republic of China
| | - Guoping Jin
- Ningbo No. 9 Hospital, Ningbo 315020, People's Republic of China
| | - Jian-Qiang Su
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, People's Republic of China
| | - Huaiying Yao
- Key Laboratory of Urban Environment and Health, Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, People's Republic of China
- Zhejiang Key Laboratory of Urban Environmental Processes and Pollution Control, CAS Haixi Industrial Technology Innovation Center in Beilun, Ningbo 315830, People's Republic of China
- Research Center for Environmental Ecology and Engineering, School of Environmental Ecology and Biological Engineering, Wuhan Institute of Technology, Wuhan 430205, People's Republic of China
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Khalatbary M, Sayadi MH, Hajiani M, Nowrouzi M, Homaeigohar S. Green, Sustainable Synthesis of γ-Fe 2O 3/MWCNT/Ag Nano-Composites Using the Viscum album Leaf Extract and Waste Car Tire for Removal of Sulfamethazine and Bacteria from Wastewater Streams. Nanomaterials (Basel) 2022; 12:nano12162798. [PMID: 36014663 PMCID: PMC9412352 DOI: 10.3390/nano12162798] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 08/09/2022] [Accepted: 08/11/2022] [Indexed: 06/02/2023]
Abstract
Multi-walled carbon nanotubes (MWCNTs) decorated with Ag nanoparticles (NPs) are bifunctional adsorbent nanomaterials with antibacterial activity. They can be magnetically recovered from wastewater in case of coupling with γ-Fe2O3. In this study, for the first time, an environmentally friendly technique was applied to prepare a nanocomposite (NC) material composed of γ-Fe2O3/MWCNT/Ag by using Bridgestone disposable tires and Viscum album leaves extract. γ-Fe2O3/MWCNTs/Ag NC was employed for the removal of sulfamethazine (SMT) from aqueous solutions. Under the optimized conditions determined via the Taguchi method, the highest SMT adsorption capacity of the γ-Fe2O3/MWCNT/Ag NC was measured to be 47.6 mg/g. The experimental data fitted well with the pseudo-second-order kinetic model and the Langmuir isotherm. The thermodynamic parameters implied that the adsorption process was endothermic. In addition to adsorption of the drug pollutant, the NC demonstrated a superior antibacterial activity against Gram-positive bacteria. The reusability test also showed that over 79% SMT can be removed using γ-Fe2O3/MWCNTs/Ag NC even after four adsorption cycles. Taken together, γ-Fe2O3/MWCNTs/Ag NC was proven to be a promising antibacterial nano-adsorbent for wastewater treatment.
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Affiliation(s)
- Mansooreh Khalatbary
- Department of Environmental Engineering, Faculty of Natural Resources and Environment, University of Birjand, Birjand P.O. Box 97175/615, Iran
| | - Mohammad Hossein Sayadi
- Department of Environmental Engineering, Faculty of Natural Resources and Environment, University of Birjand, Birjand P.O. Box 97175/615, Iran
| | - Mahmood Hajiani
- Department of Environmental Engineering, Faculty of Natural Resources and Environment, University of Birjand, Birjand P.O. Box 97175/615, Iran
| | - Mohsen Nowrouzi
- Department of Science and Biotechnology, Faculty of Nano and Bio Science and Technology, Persian Gulf University, Bushehr 75169-13798, Iran
| | - Shahin Homaeigohar
- School of Science and Engineering, University of Dundee, Dundee DD1 4HN, UK
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Zhang T, Hu C, Li Q, Chen C, Hu J, Xiao X, Li M, Zou X, Huang L. Hydrogen Peroxide Activated by Biochar-Supported Sulfidated Nano Zerovalent Iron for Removal of Sulfamethazine: Response Surface Method Approach. Int J Environ Res Public Health 2022; 19:9923. [PMID: 36011563 PMCID: PMC9408743 DOI: 10.3390/ijerph19169923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/17/2022] [Revised: 08/08/2022] [Accepted: 08/10/2022] [Indexed: 06/15/2023]
Abstract
Biochar (BC)-supported sulfide-modified nanoscale zerovalent iron (S-nZVI/BC) was prepared using the liquid-phase reduction method for the application of the removal of sulfamethazine (SMZ) from water. The reaction conditions were optimized by the Box−Behnken response surface method (RSM). A model was constructed based on the influence factors of the removal rate, i.e., the carbon-to-iron ratio (C/Fe), iron-sulfur ratio (Fe/S), pH, and hydrogen peroxide (H2O2) concentration, and the influence of each factor on the removal efficiency was investigated. The optimal removal process parameters were determined based on theoretical and experimental results. The results showed that the removal efficiency was significantly affected by the C/Fe ratio and pH (p < 0.0001) but relatively weakly affected by the Fe/S ratio (p = 0.0973) and H2O2 concentration (p = 0.022). The optimal removal process parameters were as follows: 0.1 mol/L H2O2, a pH of 3.18, a C/Fe ratio of 0.411, and a Fe/S ratio of 59.75. The removal rate of SMZ by S-nZVI/BC was 100% under these conditions. Therefore, it is feasible to use the Box−Behnken RSM to optimize the removal of emerging pollutants in water bodies by S-nZVI/BC.
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Affiliation(s)
- Tiao Zhang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Cui Hu
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Qian Li
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Chuxin Chen
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Jianhui Hu
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Xiaoyu Xiao
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
- Zhongke-Ji’an Institute for Eco-Environmental Sciences, Ji’an 343016, China
| | - Mi Li
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Xiaoming Zou
- Key Laboratory of Agricultural Environmental Pollution Prevention and Control in Red Soil Hilly Region of Jiangxi Province, School of Life Science, Jinggangshan University, Ji’an 343009, China
| | - Liangliang Huang
- College of Environmental Science and Engineering, Guilin University of Technology, Guilin 541004, China
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Jiao Y, Zhang Y, Wang W. Comparison of Four Tourmalines for PS Activation to Degrade Sulfamethazine: Efficiency, Kinetics and Mechanisms. Int J Environ Res Public Health 2022; 19:3244. [PMID: 35328932 DOI: 10.3390/ijerph19063244] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 03/06/2022] [Accepted: 03/07/2022] [Indexed: 02/05/2023]
Abstract
Four types of tourmalines (TMs, S1, S2, S3 and S4) for activating persulfate (PS) to degrade sulfamethazine (SMT) were compared to find the most efficient catalyst. The four TMs were mesoporous materials with abundant functional groups, but were different in terms of size, composition, specific surface area, contact angle, and zero potential point. The removal of SMT in S1, S2, S3 and S4 systems with PS at the optimum reaction conditions ([SMT]0 = 5 mg/L, [PS]0 = 4 mM, [TM]0 = 5 g/L, pH0 = 5, and T = 25 °C) were 99.0%, 25.5%, 26.0%, and 51.0%, respectively, which might be related to the metal content of TM. Although the degradation of SMT in the S1/PS/SMT system was not dominated by SO4•− and •OH, the radicals contributed to the SMT removal in the S2, S3, and S4 systems. 1O2 and holes both contributed to the degradation of SMT in the four systems. The metal at the X position might be related to the generation of 1O2 and holes, while Fe of TM was mainly related to the generation of free radicals, such as SO4•−. Electrochemical impedance spectroscopy tests confirmed that the separation of electrons and holes on the TM surface could be promoted by adding PS and SMT. S1 presented a higher electron-transfer rate than the other three TMs. The PS activation by TM with a high metal content at the X position provided an efficient and low-consumption treatment for antibiotic refractory wastewater.
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Xiao Y, Yang C, Cheng JJ. Effects of Sulfamethazine and Cupric Ion on Treatment of Anaerobically Digested Swine Wastewater with Growing Duckweed. Int J Environ Res Public Health 2022; 19:1949. [PMID: 35206138 DOI: 10.3390/ijerph19041949] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 02/06/2022] [Accepted: 02/08/2022] [Indexed: 12/04/2022]
Abstract
Duckweed (Spirodela polyrrhiza) has the potential to treat anaerobically digested swine wastewater (ADSW), but the effects of antibiotics and heavy metals in ADSW on the treatment performance and mechanism of Spirodela polyrrhiza are not clear. Herein, an experiment was conducted to investigate the effects of sulfamethazine (SMZ) and cupric ion on NH4+-N and total phosphorus (TP) removal from synthetic ADSW. The activity of superoxide dismutase (SOD) and the contents of photosynthetic pigments, vitamin E, and proteins in duckweed were also evaluated. Under the stress of SMZ, duckweed showed excellent removal efficiency of nutrients, and the results of SOD activity and photosynthetic pigments content indicated that duckweed had good tolerance to SMZ. Interestingly, a combined application of SMZ and cupric ion would inhibit the nutrient removal by duckweed, but significantly increased the contents of photosynthetic pigments, proteins, and vitamin E. In addition, the consequence indicated that high value-added protein and vitamin E products could be produced and harvested by cultivating duckweed in ADSW. Furthermore, possible degradation pathways of SMZ in the duckweed system were proposed based on the analysis with LC-MS/MS. This research proposed a novel view for using duckweed system to remove nutrients from ADSW and produce value-added products under the stress of SMZ and cupric ion.
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Yu X, Cabrera-Reina A, Graells M, Miralles-Cuevas S, Pérez-Moya M. Towards an Efficient Generalization of the Online Dosage of Hydrogen Peroxide in Photo-Fenton Process to Treat Industrial Wastewater. Int J Environ Res Public Health 2021; 18:13313. [PMID: 34948924 PMCID: PMC8701871 DOI: 10.3390/ijerph182413313] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 12/09/2021] [Accepted: 12/12/2021] [Indexed: 11/22/2022]
Abstract
This work addresses the dosage of H2O2 in photo-Fenton processes and the monitoring of Dissolved oxygen (DO) that can be used to drive the dosage of H2O2. The objective of this work is to show that a smarter monitoring of a process variable such as DO (for which on-line measurement can be inexpensively obtained) enables the proposal and implementation of efficient dosage strategies. The work explores the application of a recent proposed strategy consisting of: (i) initial H2O2 addition, (ii) continuous H2O2 addition until a DO set up is reached, and (iii) automatic H2O2 addition by an on-off control system based on DO slope monitoring, and applies it to the treatment of different individual contaminants and their mixtures (paracetamol and sulfamethazine). The assays performed following this dosage strategy showed improved values of TOC removed per H2O2 consumed. For the case of sulfamethazine, this improvement increased up to 25-35% with respect to the efficiency obtained without dosage. Furthermore, a deeper analysis of the results allowed detecting and assessing the opportunity to redesign the dosage scheme and reduce its complexity and the number of control parameters. The promising results obtained are discussed in regard of future research into further increasing the simplicity and robustness of this generalized control strategy that improves the applicability of the photo-Fenton process by reducing its operating costs and increasing automation.
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Affiliation(s)
- Xiangwei Yu
- Chemical Engineering Department, Escola d’Enginyeria de Barcelona Est (EEBE), Universitat Politècnica de Catalunya, Av. Eduard Maristany, 16, 08019 Barcelona, Catalonia, Spain; (X.Y.); (M.G.)
| | - Alejandro Cabrera-Reina
- Programa Institucional de Fomento a la Investigación, Desarrollo e Innovación (PIDi), Universidad Tecnológica Metropolitana, Santiago 8940000, Chile
| | - Moisès Graells
- Chemical Engineering Department, Escola d’Enginyeria de Barcelona Est (EEBE), Universitat Politècnica de Catalunya, Av. Eduard Maristany, 16, 08019 Barcelona, Catalonia, Spain; (X.Y.); (M.G.)
| | - Sara Miralles-Cuevas
- Plataforma Solar de Almería-CIEMAT, Ctra Senés km 4, 04200 Taverns, Almeria, Spain;
| | - Montserrat Pérez-Moya
- Chemical Engineering Department, Escola d’Enginyeria de Barcelona Est (EEBE), Universitat Politècnica de Catalunya, Av. Eduard Maristany, 16, 08019 Barcelona, Catalonia, Spain; (X.Y.); (M.G.)
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Ortiz CP, Cardenas-Torres RE, Martínez F, Delgado DR. Solubility of Sulfamethazine in the Binary Mixture of Acetonitrile + Methanol from 278.15 to 318.15 K: Measurement, Dissolution Thermodynamics, Preferential Solvation, and Correlation. Molecules 2021; 26:7588. [PMID: 34946670 DOI: 10.3390/molecules26247588] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 12/09/2021] [Accepted: 12/10/2021] [Indexed: 11/17/2022] Open
Abstract
Solubility of sulfamethazine (SMT) in acetonitrile (MeCN) + methanol (MeOH) cosolvents was determined at nine temperatures between 278.15 and 318.15 K. From the solubility data expressed in molar fraction, the thermodynamic functions of solution, transfer and mixing were calculated using the Gibbs and van ’t Hoff equations; on the other hand, the solubility data were modeled according to the Wilson models and NRTL. The solubility of SMT is thermo-dependent and is influenced by the solubility parameter of the cosolvent mixtures. In this case, the maximum solubility was achieved in the cosolvent mixture w0.40 at 318.15 K and the minimum in pure MeOH at 278.15 K. According to the thermodynamic functions, the SMT solution process is endothermic in addition to being favored by the entropic factor, and as for the preferential solvation parameter, SMT tends to be preferentially solvated by MeOH in all cosolvent systems; however, δx3,1<0.01, so the results are not conclusive. Finally, according to mean relative deviations (MRD%), the two models could be very useful tools for calculating the solubility of SMT in cosolvent mixtures and temperatures different from those reported in this research.
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Pesce S, Kergoat L, Paris L, Billet L, Besse-Hoggan P, Bonnineau C. Contrasting Effects of Environmental Concentrations of Sulfonamides on Microbial Heterotrophic Activities in Freshwater Sediments. Front Microbiol 2021; 12:753647. [PMID: 34803976 PMCID: PMC8597937 DOI: 10.3389/fmicb.2021.753647] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Accepted: 10/14/2021] [Indexed: 11/21/2022] Open
Abstract
The sulfonamide antibiotics sulfamethoxazole (SMX) and sulfamethazine (SMZ) are regularly detected in surface sediments of contaminated hydrosystems, with maximum concentrations that can reach tens of μg kg–1 in stream and river sediments. Little is known about the resulting effects on the exposed benthic organisms. Here we investigated the functional response of stream sediment microbial communities exposed for 4 weeks to two levels of environmentally relevant concentrations of SMX and SMZ, tested individually. To this end, we developed a laboratory channel experiment where natural stream sediments were immersed in water contaminated with nominal environmental concentrations of 500 and 5,000 ng L–1 of SMX or SMZ, causing their accumulation in surface sediments. The mean maximum concentrations measured in the sediment (about 2.1 μg SMX kg–1 dw and 4.5 μg SMZ kg–1 dw) were consistent with those reported in contaminated rivers. The resulting chronic exposure had various effects on the functional potential of the sediment microbial communities, according to the substance (SMX or SMZ), the type of treatment (high or low) and the measured activity, with a strong influence of temporal dynamics. Whereas the SMZ treatments resulted in only transient effects on the five microbial activities investigated, we observed a significant stimulation of the β-glucosidase activity over the 28 days in the communities exposed to the high concentration of SMX. Together with the stimulation of aerobic respiration at low SMX concentrations and the reduced concentration observed in the last days, our results suggest a potential biodegradation of sulfonamides by microbial communities from sediments. Given the key functional role of surface sediment microbial communities in streams and rivers, our findings suggest that the frequently reported contamination of sediments by sulfonamides is likely to affect biogeochemical cycles, with possible impact on ecosystem functioning.
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Affiliation(s)
- Stéphane Pesce
- Université Clermont Auvergne, CNRS, Institut de Chimie de Clermont-Ferrand, Clermont-Ferrand, France
| | - Laura Kergoat
- Université Clermont Auvergne, CNRS, Institut de Chimie de Clermont-Ferrand, Clermont-Ferrand, France
| | - Laurianne Paris
- Université Clermont Auvergne, CNRS, Sigma Clermont, Institut de Chimie de Clermont-Ferrand, Clermont-Ferrand, France
| | - Loren Billet
- Université Clermont Auvergne, CNRS, Institut de Chimie de Clermont-Ferrand, Clermont-Ferrand, France.,AgroSup Dijon, INRAE, Université de Bourgogne Franche-Comté, Agroécologie, Dijon, France
| | - Pascale Besse-Hoggan
- Université Clermont Auvergne, CNRS, Sigma Clermont, Institut de Chimie de Clermont-Ferrand, Clermont-Ferrand, France
| | - Chloé Bonnineau
- Université Clermont Auvergne, CNRS, Institut de Chimie de Clermont-Ferrand, Clermont-Ferrand, France
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Keppler S, Huynh K, Reinhold D, Bornhorst GM. Fate of Phytometabolites of Antibiotics during In Vitro Digestion and Implications for Human Health. J Agric Food Chem 2021; 69:12598-12607. [PMID: 34665628 DOI: 10.1021/acs.jafc.1c03934] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Antibiotics are released into the environment as their global consumption increases. Uptake, accumulation, and metabolism of antibiotics by food crops is an emerging health concern as the associated risks of consuming food crops containing antibiotics are still largely unknown. This study investigated the fate of sulfamethazine, sulfamethoxazole, and their phytometabolites during in vitro digestion of the model plantArabidopsis thaliana. The amounts of parent antibiotics released during in vitro digestion were 4-5 times higher than those quantified in plant tissues prior to digestion, which was attributed to back transformation of the phytometabolites into the parent aglycones. These findings demonstrated that overlooking the proportions of phytometabolites in recent health risk assessment studies would considerably underestimate the realistic human exposure through consumption of contaminated food crops. New risk assessment frameworks are necessary to include these critical factors for comprehensively addressing human exposure to emerging contaminants through food chains.
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Affiliation(s)
- Silvia Keppler
- Department of Biological and Agricultural Engineering, University of California, Davis, Davis, California 95616, United States
| | - Khang Huynh
- Department of Biosystems and Agricultural Engineering, Michigan State University, East Lansing, Michigan 48824, United States
| | - Dawn Reinhold
- Department of Biosystems and Agricultural Engineering, Michigan State University, East Lansing, Michigan 48824, United States
| | - Gail M Bornhorst
- Department of Biological and Agricultural Engineering, University of California, Davis, Davis, California 95616, United States
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El Tahir Y, Elshafie EI, Asi MN, Al-Kharousi K, Al Toobi AG, Al-Wahaibi Y, Al-Marzooqi W. Detection of Residual Antibiotics and Their Differential Distribution in Broiler Chicken Tissues Using Enzyme-Linked Immunosorbent Assay. Antibiotics (Basel) 2021; 10:antibiotics10111305. [PMID: 34827243 PMCID: PMC8614859 DOI: 10.3390/antibiotics10111305] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 10/15/2021] [Accepted: 10/21/2021] [Indexed: 11/16/2022] Open
Abstract
The aim of this study was to estimate the residue levels of five commonly used antibiotics in poultry tissue samples using enzyme linked immunosorbent assay (ELISA). A total of 200 samples that comprised breast and liver (100 each) were collected from five poultry farms randomly selected from Muscat regions. The samples were analyzed for enrofloxacin (ENR), gentamicin (GEN), oxytetracycline (OTC), sulfamethazine (SMZ), and tylosin (TYL) residue concentrations. Comparisons of antibiotic residues between breast and liver of chickens under investigations showed a significant difference of ENR, GEN, OTC, SMZ, and TYL residue concentrations (p < 0.05). The highest antibiotic residue concentrations reported in the chicken liver were TYL, GEN, OTC, SMZ, and ENR, respectively. The lowest residual antibiotic concentrations observed in the chicken breast were TYL, GEN, OTC, SMZ, and ENR, respectively. Furthermore, the Kruskal–Wallis statistical test revealed a significant difference between the five antibiotic concentrations in both breast (H (4) = 54.69, p < 0.05) and liver (H (4) = 44.36, p < 0.05). A follow up of this finding by Bonferroni correction for both breast and liver samples revealed a significant difference for the breast sample between the concentration of ENR residue, and the concentration of residues for of both OTC and TYL (p < 0.05). These data show that not all tissues incorporate antibiotics at the same concentration. The results of this study could support regulatory bodies in adopting, monitoring, and enforcing guidelines pertinent to safety levels of different antibiotic residue concentrations in poultry meat when antibiotics are used for different indications.
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Affiliation(s)
- Yasmin El Tahir
- Department of Animal and Veterinary Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat 123, Oman; (Y.E.T.); (E.I.E.); (M.N.A.); (K.A.-K.); (A.G.A.T.)
| | - Elshafie I. Elshafie
- Department of Animal and Veterinary Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat 123, Oman; (Y.E.T.); (E.I.E.); (M.N.A.); (K.A.-K.); (A.G.A.T.)
| | - Muhammad Nadeem Asi
- Department of Animal and Veterinary Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat 123, Oman; (Y.E.T.); (E.I.E.); (M.N.A.); (K.A.-K.); (A.G.A.T.)
| | - Kaadhia Al-Kharousi
- Department of Animal and Veterinary Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat 123, Oman; (Y.E.T.); (E.I.E.); (M.N.A.); (K.A.-K.); (A.G.A.T.)
| | - Al Ghalya Al Toobi
- Department of Animal and Veterinary Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat 123, Oman; (Y.E.T.); (E.I.E.); (M.N.A.); (K.A.-K.); (A.G.A.T.)
| | - Yahya Al-Wahaibi
- Ministry of Agriculture & Fisheries, Directorate of Agriculture and Animal Wealth, Muscat 123, Oman;
| | - Waleed Al-Marzooqi
- Department of Animal and Veterinary Sciences, College of Agricultural and Marine Sciences, Sultan Qaboos University, Muscat 123, Oman; (Y.E.T.); (E.I.E.); (M.N.A.); (K.A.-K.); (A.G.A.T.)
- Correspondence: ; Tel.: +968-24141289; Fax: +968-24413418
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18
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Xu S, Schwinghamer T, Sura S, Cessna AJ, Zvomuya F, Zaheer R, Larney FJ, McAllister TA. Degradation of antimicrobial resistance genes within stockpiled beef cattle feedlot manure. J Environ Sci Health A Tox Hazard Subst Environ Eng 2021; 56:1093-1106. [PMID: 34605371 DOI: 10.1080/10934529.2021.1965416] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2021] [Revised: 07/27/2021] [Accepted: 07/30/2021] [Indexed: 06/13/2023]
Abstract
Degradation of antimicrobial resistance genes (ARG) in manure from beef cattle administered (kg-1 feed) 44 mg of chlortetracycline (CTC), 44 mg of chlortetracycline plus sulfamethazine (CTCSMZ), 11 mg of tylosin (TYL), or no antimicrobials (Control) was examined. Manure was stockpiled and quantitative PCR (qPCR) was used to assess tetracycline [tet(C), (L), (M), (W)], erythromycin [erm(A), (B), (F), (X)], and sulfamethazine [sul(1), (2)] ARG and 16S rDNA. After 102 d, copies of all ARG decreased by 0.3 to 1.5 log10 copies (g dry matter)-1. Temperature in the interior of piles averaged ≥ 55 °C for 10 d, except for CTCSMZ, but did not reach 55 °C at pile exteriors. Compared to Control, CTCSMZ increased (P < 0.05) tet(C), tet(M), tet(W), sul(1), and sul(2) in stockpiled manure. Copies of 16S rDNA remained higher (P < 0.05) in CTCSMZ than Control for the first 26 d. Levels of most ARG did not differ between the interior and exterior of stockpiles. Our results suggest that stockpiled manure would still introduce ARG to land upon manure application, but at levels lower than if manure was applied fresh.
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Affiliation(s)
- Shanwei Xu
- Alberta Agriculture and Forestry, Lethbridge, Alberta, Canada
| | - Tim Schwinghamer
- Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada, Lethbridge, Alberta, Canada
| | - Srinivas Sura
- Morden Research and Development Centre, Agriculture and Agri-Food Canada, Morden, Manitoba, Canada
| | - Allan J Cessna
- Saskatoon Research and Development Centre, Agriculture and Agri-Food Canada, Saskatoon, Saskatchewan, Canada
| | - Francis Zvomuya
- Department of Soil Science, University of Manitoba, Winnipeg, Manitoba, Canada
| | - Rahat Zaheer
- Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada, Lethbridge, Alberta, Canada
| | - Francis J Larney
- Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada, Lethbridge, Alberta, Canada
| | - Tim A McAllister
- Lethbridge Research and Development Centre, Agriculture and Agri-Food Canada, Lethbridge, Alberta, Canada
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Jin Y, He Y, Zhao D, Chen Y, Xue Q, Zou M, Yin H, Xing S. Development of an amplified luminescent proximity homogeneous assay for the detection of sulfonamides in animal-derived products. Food Sci Nutr 2021; 9:4938-4945. [PMID: 34532005 PMCID: PMC8441374 DOI: 10.1002/fsn3.2443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 06/09/2021] [Accepted: 06/11/2021] [Indexed: 12/02/2022] Open
Abstract
In this study, we carried out an amplified luminescent proximity homogeneous assay (AlphaLISA) to detect sulfonamides (SAs) antibiotic residues in plasma, milk, pork, chicken, and fish. The SAs AlphaLISA method can detect 13 SAs with half-inhibitory concentration (IC50) 2.11-29.77 ng/ml. The detection level of those SAs was 0.3-41.12 ng/ml in matrices, which satisfied the maximum residue limit (MRL) of the European Union, United States, and China. Our recoveries are in the range of 88% to 116.8% with a coefficient of variation less than 9.3% for different spiked food samples. We observed a good correlation between the AlphaLISA and liquid chromatography-tandem mass spectrometry (LC-MS/MS) with blood samples from injected rabbits. The established AlphaLISA method provided a no-washing, rapid, high-throughput screening tool for SAs in food quality control, which is suitable for small-volume samples.
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Affiliation(s)
- Yong Jin
- Chinese Academy of Inspection and QuarantineBeijingChina
| | - Yanping He
- Chinese Academy of Inspection and QuarantineBeijingChina
- Anhui Normal UniversityWuhuChina
| | - Dali Zhao
- Jilin International Travel Health Care Center (Changchun Customs Port Clinic)ChangchunChina
| | - Yan Chen
- Chinese Academy of Inspection and QuarantineBeijingChina
| | - Qiang Xue
- Chinese Academy of Inspection and QuarantineBeijingChina
| | - Mingqiang Zou
- Chinese Academy of Inspection and QuarantineBeijingChina
| | - Hong Yin
- Chinese Academy of Inspection and QuarantineBeijingChina
| | - Shige Xing
- Chinese Academy of Inspection and QuarantineBeijingChina
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20
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Liu FF, Li MR, Wang SC, Zhang YX, Liu GZ, Fan JL. Phototransformation of Graphene Oxide on the Removal of Sulfamethazine in a Water Environment. Nanomaterials (Basel) 2021; 11:2134. [PMID: 34443964 DOI: 10.3390/nano11082134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/08/2021] [Accepted: 08/19/2021] [Indexed: 11/17/2022]
Abstract
Graphene oxide (GO) is widely used in various fields and has raised concerns regarding its potential environmental fate and effect. However, there are few studies on its influence on coexisting pollutants. In this study, the phototransformation of GO and coexisting sulfamethazine (SMZ) under UV irradiation was investigated, with a focus on the role of reactive oxygen species. The results demonstrated that GO promoted the degradation of SMZ under UV irradiation. The higher the concentration of GO, the higher the degradation rate of SMZ, and the faster the first-order reaction rate. Two main radicals, ∙OH and 1O2, both contributed greatly in terms of regulating the removal of SMZ. Cl−, SO42−, and pH mainly promoted SMZ degradation by increasing the generation of ∙OH, while humic acid inhibited SMZ degradation due to the reduction of ∙OH. Moreover, after UV illumination, the GO suspension changed from light yellow to dark brown with increasing absorbance at a wavelength of 225 nm. Raman spectra revealed that the ID/IG ratio slightly decreased, indicating that some of the functional groups on the surface of GO were removed under low-intensity UV illumination. This study revealed that GO plays important roles in the photochemical transformation of environmental pollutants, which is helpful for understanding the environmental behaviors and risks of nanoparticles in aquatic environments.
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Chen J, Liu M, Yuan H, Chen X, Zhao J. Rapid detection of sulfamethazine and ofloxacin residues in duck meat using synchronous fluorescence spectroscopy coupled with chemometric methods. Poult Sci 2021; 100:101378. [PMID: 34391174 PMCID: PMC8374452 DOI: 10.1016/j.psj.2021.101378] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Revised: 06/26/2021] [Accepted: 07/04/2021] [Indexed: 11/27/2022] Open
Abstract
Rapid detection of antibiotic residues in duck meat is of great significance for strengthening food safety and quality supervision of duck meat and fighting against inferior products in the duck meat market. The objective of the current paper was to evaluate the potential of synchronous fluorescence spectroscopy (SFS) coupled with chemometric methods for the rapid detection of sulfamethazine (SM2) and ofloxacin (OFL) residues in duck meat.The SFS spectral data from duck meat containing different concentrations of SM2 and OFL were preprocessed by baseline offset. The detection conditions, including the adding amounts of β-mercaptoethanol solution and o-phthalaldehyde solution, as well as the reaction time, were optimized by a single factor experiment for obtaining a better detection effect, and their optimal values were 400 μL , 25 μL , and 40 min, respectively. By comparing 2 chemometric models based on peak-height algorithm and peak-area algorithm, the prediction model based on peak-height algorithm was a better quantitative model with correlation coefficient for the prediction set (Rp) of 0.9031 and 0.9981, the root mean error for the prediction set (RMSEP) of 7.9509 and 0.5267 mg/kg, recovery of 81.7 to 155.1% and 96.4 to 111.2%, and relative standard deviation (RSD) of 4.1 to 6.7% and 2.9 to 6.8% to predict SM2 and OFL residues in duck meat, respectively. Overall, the results of this investigation showed that SFS technique was an effective and rapid tool for the detection of SM2 and OFL residues in duck meat.
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Affiliation(s)
- Jian Chen
- Key Laboratory of Modern Agricultural Equipment in Jiangxi Province, College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Muhua Liu
- Key Laboratory of Modern Agricultural Equipment in Jiangxi Province, College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Haichao Yuan
- Key Laboratory of Modern Agricultural Equipment in Jiangxi Province, College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Xiongfei Chen
- Key Laboratory of Modern Agricultural Equipment in Jiangxi Province, College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China
| | - Jinhui Zhao
- Key Laboratory of Modern Agricultural Equipment in Jiangxi Province, College of Engineering, Jiangxi Agricultural University, Nanchang 330045, China.
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22
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Kergoat L, Besse-Hoggan P, Leremboure M, Beguet J, Devers M, Martin-Laurent F, Masson M, Morin S, Roinat A, Pesce S, Bonnineau C. Environmental Concentrations of Sulfonamides Can Alter Bacterial Structure and Induce Diatom Deformities in Freshwater Biofilm Communities. Front Microbiol 2021; 12:643719. [PMID: 34025605 PMCID: PMC8137839 DOI: 10.3389/fmicb.2021.643719] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2020] [Accepted: 02/22/2021] [Indexed: 11/13/2022] Open
Abstract
Since the early 1920s, the intensive use of antibiotics has led to the contamination of the aquatic environment through diffuse sources and wastewater effluents. The antibiotics commonly found in surface waters include sulfamethoxazole (SMX) and sulfamethazine (SMZ), which belong to the class of sulfonamides, the oldest antibiotic class still in use. These antibiotics have been detected in all European surface waters with median concentrations of around 50 ng L–1 and peak concentrations of up to 4–6 μg L–1. Sulfonamides are known to inhibit bacterial growth by altering microbial production of folic acid, but sub-lethal doses may trigger antimicrobial resistance, with unknown consequences for exposed microbial communities. We investigated the effects of two environmentally relevant concentrations (500 and 5,000 ng L–1) of SMZ and SMX on microbial activity and structure of periphytic biofilms in stream mesocosms for 28 days. Measurement of sulfonamides in the mesocosms revealed contamination levels of about half the nominal concentrations. Exposure to sulfonamides led to slight, transitory effects on heterotrophic functions, but persistent effects were observed on the bacterial structure. After 4 weeks of exposure, sulfonamides also altered the autotrophs in periphyton and particularly the diversity, viability and cell integrity of the diatom community. The higher concentration of SMX tested decreased both diversity (Shannon index) and evenness of the diatom community. Exposure to SMZ reduced diatom species richness and diversity. The mortality of diatoms in biofilms exposed to sulfonamides was twice that in non-exposed biofilms. SMZ also induced an increase in diatom teratologies from 1.1% in non-exposed biofilms up to 3% in biofilms exposed to SMZ. To our knowledge, this is the first report on the teratological effects of sulfonamides on diatoms within periphyton. The increase of both diatom growth rate and mortality suggests a high renewal of diatoms under sulfonamide exposure. In conclusion, our study shows that sulfonamides can alter microbial community structures and diversity at concentrations currently present in the environment, with unknown consequences for the ecosystem. The experimental set-up presented here emphasizes the interest of using natural communities to increase the ecological realism of ecotoxicological studies and to detect potential toxic effects on non-target species.
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Affiliation(s)
| | - Pascale Besse-Hoggan
- Université Clermont Auvergne, CNRS, Sigma Clermont, Institut de Chimie de Clermont-Ferrand, Clermont-Ferrand, France
| | - Martin Leremboure
- Université Clermont Auvergne, CNRS, Sigma Clermont, Institut de Chimie de Clermont-Ferrand, Clermont-Ferrand, France
| | - Jérémie Beguet
- AgroSup Dijon, INRAE, Univ. Bourgogne Franche-Comté, Agroécologie, Dijon, France
| | - Marion Devers
- AgroSup Dijon, INRAE, Univ. Bourgogne Franche-Comté, Agroécologie, Dijon, France
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23
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Türkeş C, Akocak S, Işık M, Lolak N, Taslimi P, Durgun M, Gülçin İ, Budak Y, Beydemir Ş. Novel inhibitors with sulfamethazine backbone: synthesis and biological study of multi-target cholinesterases and α-glucosidase inhibitors. J Biomol Struct Dyn 2021; 40:8752-8764. [PMID: 33950796 DOI: 10.1080/07391102.2021.1916599] [Citation(s) in RCA: 39] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The underlying cause of many metabolic diseases is abnormal changes in enzyme activity in metabolism. Inhibition of metabolic enzymes such as cholinesterases (ChEs; acetylcholinesterase, AChE and butyrylcholinesterase, BChE) and α-glucosidase (α-GLY) is one of the accepted approaches in the treatment of Alzheimer's disease (AD) and diabetes mellitus (DM). Here we reported an investigation of a new series of novel ureido-substituted derivatives with sulfamethazine backbone (2a-f) for the inhibition of AChE, BChE, and α-GLY. All the derivatives demonstrated activity in nanomolar levels as AChE, BChE, and α-GLY inhibitors with KI values in the range of 56.07-204.95 nM, 38.05-147.04 nM, and 12.80-79.22 nM, respectively. Among the many strong N-(4,6-dimethylpyrimidin-2-yl)-4-(3-substitutedphenylureido) benzenesulfonamide derivatives (2a-f) detected against ChEs, compound 2c, the 4-fluorophenylureido derivative, demonstrated the most potent inhibition profile towards AChE and BChE. A comprehensive ligand/receptor interaction prediction was performed in silico for the three metabolic enzymes providing molecular docking investigation using Glide XP, MM-GBSA, and ADME-Tox modules. The present research reinforces the rationale behind utilizing inhibitors with sulfamethazine backbone as innovative anticholinergic and antidiabetic agents with a new mechanism of action, submitting propositions for the rational design and synthesis of novel strong inhibitors targeting ChEs and α-GLY.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Cüneyt Türkeş
- Department of Biochemistry, Faculty of Pharmacy, Erzincan Binali Yıldırım University, Erzincan, Turkey
| | - Suleyman Akocak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman, Turkey
| | - Mesut Işık
- Department of Bioengineering, Faculty of Engineering, Bilecik Şeyh Edebali University, Bilecik, Turkey
| | - Nebih Lolak
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Adıyaman University, Adıyaman, Turkey
| | - Parham Taslimi
- Department of Biotechnology, Faculty of Science, Bartın University, Bartın, Turkey
| | - Mustafa Durgun
- Department of Chemistry, Faculty of Arts and Sciences, Harran University, Şanlıurfa, Turkey
| | - İlhami Gülçin
- Department of Chemistry, Faculty of Sciences, Atatürk University, Erzurum, Turkey
| | - Yakup Budak
- Department of Chemistry, Faculty of Arts and Sciences, Gaziosmanpaşa University, Tokat, Turkey
| | - Şükrü Beydemir
- Department of Biochemistry, Faculty of Pharmacy, Anadolu University, Eskişehir, Turkey.,The Rectorate of Bilecik Şeyh Edebali University, Bilecik, Turkey
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24
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Huang W, Si H, Zhang L, Yin X, Ji Z, Ni X, Xu W. Photoresponsive molecularly imprinted polymers based on 4-[(4-methacryloyloxy)phenylazo] benzenesulfonic acid for the determination of sulfamethazine. J Sep Sci 2021; 44:2536-2544. [PMID: 33929080 DOI: 10.1002/jssc.202100118] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2021] [Revised: 04/20/2021] [Accepted: 04/21/2021] [Indexed: 12/12/2022]
Abstract
Core-shell structured photoresponsive molecularly imprinted polymers were developed for the determination of sulfamethazine in milk samples. The photoresponsive imprinted polymers were prepared with polymethyl methacrylate containing a mass of ester groups as core, sulfamethazine as template molecules, self-synthesized water-soluble 4-[(4-methacryloyloxy)phenylazo] benzenesulfonic acid as a photoresponsive monomer, and ethylene dimethacrylate as cross-linker. Interestingly, the imprinted polymer can specifically adsorb sulfamethazine under dark and 440 nm irradiation, and release it at 365 nm. A series of adsorption experiments showed that the maximum adsorption capacity reached 12.5 mg⋅g-1 , and the adsorption equilibrium was achieved within 80 min. Moreover, the imprinted polymers display excellent reusability, with almost no performance loss after four times photo-controlled adsorption-release cycles, and the imprinted polymers have excellent selectively for sulfamethazine (imprinting factor = 3.01). In the end, the imprinted polymers realized effective separation and enrichment of sulfamethazine in milk, with a recovery rate of over 97.5%. The material can be used as a solid-phase extractant in the process of enrichment and separation for the quantitative detection of sulfamethazine in milk samples.
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Affiliation(s)
- Weihong Huang
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Haojie Si
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Liming Zhang
- Zhenjiang Agricultural Products Quality Inspection and Testing Center, Zhenjiang, P. R. China
| | - Xifeng Yin
- Zhenjiang Agricultural Products Quality Inspection and Testing Center, Zhenjiang, P. R. China
| | - Zehua Ji
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, P. R. China
| | - Xiaoni Ni
- Zhenjiang Food and Drug Supervision and Inspection Center, Zhenjiang, P. R. China
| | - Wanzhen Xu
- School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, P. R. China
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25
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Wang Y, Yan X, Kou Q, Sun Q, Wang Y, Wu P, Yang L, Tang J, Le T. An Ultrasensitive Label-Free Fluorescent Aptasensor Platform for Detection of Sulfamethazine. Int J Nanomedicine 2021; 16:2751-2759. [PMID: 33859476 PMCID: PMC8043786 DOI: 10.2147/ijn.s307080] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Accepted: 03/17/2021] [Indexed: 11/23/2022] Open
Abstract
Purpose Sulfamethazine (SMZ) exposed in the environment can enter the human body through the food chain and pose a serious threat to human health. Therefore, it is important to develop a rapid and sensitive method for detecting SMZ in environmental samples. In order to fastly and quantitatively detect SMZ in environmental samples, we developed a label-free fluorescent aptasensor based on specific aptamer (SMZ1S) and fluorescence resonance energy transfer (FRET) between gold nanoparticles (AuNPs) and rhodamine B (RhoB). Methods In the absence of SMZ, SMZ1S was adsorbed on the surface of AuNPs, which led to dispersion of the AuNPs in high concentration saline solution, thus effectively quenching the fluorescence of RhoB. With the increase of the SMZ concentration, the specific binding of SMZ1S and SMZ led to the aggregation of AuNPs in the presence of NaCl, which reduced the quenching of RhoB fluorescence and increased the fluorescence intensity. The sensitivity and linearity curve of the label-free fluorescent aptasensor were determined with different concentrations of sulfamethazine standard solutions. The specificity of this fluorescent aptasensor was determined by replacing sulfamethazine with different antibiotics. In addition, the actual water and soil samples were spiked and recovered. Results Under optimized conditions, the proposed fluorescent aptasensor demonstrated a good linear detection of SMZ in binding buffer from 1.25 ng mL-1 to 40 ng mL-1 and the limit of detection was 0.82 ng mL-1. The spiked recoveries for SMZ were 94.4% to 108.8% with a relative standard deviation of 1.8-10.3% in water and soil samples, respectively. Conclusion The label-free fluorescent aptasensor investigated in the current study is a promising tool to detect and quantify SMZ in water and soil samples.
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Affiliation(s)
- Yarong Wang
- College of Life Science, Chongqing Normal University, Chongqing, 401331, People's Republic of China
| | - Xueling Yan
- College of Life Science, Chongqing Normal University, Chongqing, 401331, People's Republic of China
| | - Qiming Kou
- College of Life Science, Chongqing Normal University, Chongqing, 401331, People's Republic of China
| | - Qi Sun
- College of Life Science, Chongqing Normal University, Chongqing, 401331, People's Republic of China
| | - Yuexin Wang
- College of Life Science, Chongqing Normal University, Chongqing, 401331, People's Republic of China
| | - Ping Wu
- College of Life Science, Chongqing Normal University, Chongqing, 401331, People's Republic of China
| | - Lulan Yang
- College of Life Science, Chongqing Normal University, Chongqing, 401331, People's Republic of China
| | - Jiaming Tang
- College of Life Science, Chongqing Normal University, Chongqing, 401331, People's Republic of China
| | - Tao Le
- College of Life Science, Chongqing Normal University, Chongqing, 401331, People's Republic of China
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26
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Fukunaga K, Kato K, Okusaka T, Saito T, Ikeda M, Yoshida T, Zembutsu H, Iwata N, Mushiroda T. Functional Characterization of the Effects of N-acetyltransferase 2 Alleles on N-acetylation of Eight Drugs and Worldwide Distribution of Substrate-Specific Diversity. Front Genet 2021; 12:652704. [PMID: 33815485 PMCID: PMC8012690 DOI: 10.3389/fgene.2021.652704] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Accepted: 02/26/2021] [Indexed: 11/13/2022] Open
Abstract
Variability in the enzymatic activity of N-acetyltransferase 2 (NAT2) is an important contributor to interindividual differences in drug responses. However, there is little information on functional differences in N-acetylation activities according to NAT2 phenotypes, i.e., rapid, intermediate, slow, and ultra-slow acetylators, between different substrate drugs. Here, we estimated NAT2 genotypes in 990 Japanese individuals and compared the frequencies of different genotypes with those of different populations. We then calculated in vitro kinetic parameters of four NAT2 alleles (NAT2∗4, ∗5, ∗6, and ∗7) for N-acetylation of aminoglutethimide, diaminodiphenyl sulfone, hydralazine, isoniazid, phenelzine, procaineamide, sulfamethazine (SMZ), and sulfapyrizine. NAT2∗5, ∗6, and ∗7 exhibited significantly reduced N-acetylation activities with lower Vmax and CLint values of all drugs when compared with NAT2∗4. Hierarchical clustering analysis revealed that 10 NAT2 genotypes were categorized into three or four clusters. According to the results of in vitro metabolic experiments using SMZ as a substrate, the frequencies of ultra-slow acetylators were calculated to be 29.05–54.27% in Europeans, Africans, and South East Asians, whereas Japanese and East Asian populations showed lower frequencies (4.75 and 11.11%, respectively). Our findings will be helpful for prediction of responses to drugs primarily metabolized by NAT2.
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Affiliation(s)
- Koya Fukunaga
- Laboratory for Pharmacogenomics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
| | - Ken Kato
- Department of Head and Neck Medical Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Takuji Okusaka
- Department of Hepatobiliary and Pancreatic Oncology, National Cancer Center Hospital, Tokyo, Japan
| | - Takeo Saito
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
| | - Masashi Ikeda
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
| | - Teruhiko Yoshida
- Fundamental Innovative Oncology Core, National Cancer Center Research Institute, Tokyo, Japan
| | - Hitoshi Zembutsu
- Fundamental Innovative Oncology Core, National Cancer Center Research Institute, Tokyo, Japan
| | - Nakao Iwata
- Department of Psychiatry, Fujita Health University School of Medicine, Toyoake, Japan
| | - Taisei Mushiroda
- Laboratory for Pharmacogenomics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
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27
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Salem A, Takácsi-Nagy A, Nagy S, Hagymási A, Gősi F, Vörös-Horváth B, Balić T, Pál S, Széchenyi A. Synthesis and Characterization of Nano-Sized 4-Aminosalicylic Acid- Sulfamethazine Cocrystals. Pharmaceutics 2021; 13:277. [PMID: 33669489 DOI: 10.3390/pharmaceutics13020277] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 02/09/2021] [Accepted: 02/16/2021] [Indexed: 11/26/2022] Open
Abstract
Drug–drug cocrystals are formulated to produce combined medication, not just to modulate active pharmaceutical ingredient (API) properties. Nano-crystals adjust the pharmacokinetic properties and enhance the dissolution of APIs. Nano-cocrystals seem to enhance API properties by combining the benefits of both technologies. Despite the promising opportunities of nano-sized cocrystals, the research at the interface of nano-technology and cocrystals has, however, been described to be in its infancy. In this study, high-pressure homogenization (HPH) and high-power ultrasound were used to prepare nano-sized cocrystals of 4-aminosalysilic acid and sulfamethazine in order to establish differences between the two methods in terms of cocrystal size, morphology, polymorphic form, and dissolution rate enhancement. It was found that both methods resulted in the formation of form I cocrystals with a high degree of crystallinity. HPH yielded nano-sized cocrystals, while those prepared by high-power ultrasound were in the micro-size range. Furthermore, HPH produced smaller-size cocrystals with a narrow size distribution when a higher pressure was used. Cocrystals appeared to be needle-like when prepared by HPH compared to those prepared by high-power ultrasound, which had a different morphology. The highest dissolution enhancement was observed in cocrystals prepared by HPH; however, both micro- and nano-sized cocrystals enhanced the dissolution of sulfamethazine.
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28
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Wang Z, Hu S, Bao H, Xing K, Liu J, Xia J, Lai W, Peng J. Immunochromatographic assay based on time-resolved fluorescent nanobeads for the rapid detection of sulfamethazine in egg, honey, and pork. J Sci Food Agric 2021; 101:684-692. [PMID: 32705699 DOI: 10.1002/jsfa.10681] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 04/17/2020] [Accepted: 07/24/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Sulfamethazine (SMZ), a veterinary drug widely used in animal husbandry, is harmful to human health when excess residues are present in food. In this study, a fast, reliable, and sensitive immunochromatographic assay (ICA) was developed on the basis of the competitive format by using time-resolved fluorescent nanobeads (TRFN) as label for the detection of SMZ in egg, honey, and pork samples. RESULTS Under optimized working conditions, this method had limits of detection of 0.016, 0.049, and 0.029 ng mL-1 and corresponding linear ranges of 0.05 to 1.00, 0.05 to 5.00, and 0.05 to 1.00 ng mL-1 in egg, honey, and pork samples, respectively. The recovery experiments showed that the average recoveries ranged from 90.5% to 113.9%, 82.4% to 112.0%, and 79.8% to 93.4% with corresponding coefficients of variation of 4.1% to 11.7%, 7.5% to 11.5%, and 4.8% to 8.7% for egg, honey, and pork samples, respectively. The developed TRFN-ICA was also systematically compared with high-performance liquid chromatography coupled with tandem mass spectrometry (HPLC-MS/MS) by analyzing 45 actual samples from egg, honey, and pork. CONCLUSION Overall, the developed TRFN-ICA had high reliability and excellent potential for the ultrasensitive detection of SMZ for food safety monitoring, also providing a universal platform for the on-site detection of other targets. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Zexiang Wang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Song Hu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Huanhuan Bao
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Keyu Xing
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Jintao Liu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Jun Xia
- Jiangxi Institute of Veterinary Drug and Feedstuff Control, Nanchang, China
| | - Weihua Lai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, China
| | - Juan Peng
- School of Food Science and Technology, Nanchang University, Nanchang, China
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Mojiri A, Baharlooeian M, Kazeroon RA, Farraji H, Lou Z. Removal of Pharmaceutical Micropollutants with Integrated Biochar and Marine Microalgae. Microorganisms 2020; 9:E4. [PMID: 33375001 PMCID: PMC7822045 DOI: 10.3390/microorganisms9010004] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 12/13/2020] [Accepted: 12/17/2020] [Indexed: 12/17/2022] Open
Abstract
Using microalgae to remove pharmaceuticals and personal care products (PPCPs) micropollutants (MPs) have attracted considerable interest. However, high concentrations of persistent PPCPs can reduce the performance of microalgae in remediating PPCPs. Three persistent PPCPs, namely, carbamazepine (CBZ), sulfamethazine (SMT) and tramadol (TRA), were treated with a combination of Chaetoceros muelleri and biochar in a photobioreactor during this study. Two reactors were run. The first reactor comprised Chaetoceros muelleri, as the control, and the second reactor comprised Chaetoceros muelleri and biochar. The second reactor showed a better performance in removing PPCPs. Through the response surface methodology, 68.9% (0.330 mg L-1) of CBZ, 64.8% (0.311 mg L-1) of SMT and 69.3% (0.332 mg L-1) of TRA were removed at the initial concentrations of MPs (0.48 mg L-1) and contact time of 8.1 days. An artificial neural network was used in optimising elimination efficiency for each MP. The rational mean squared errors and high R2 values showed that the removal of PPCPs was optimised. Moreover, the effects of PPCPs concentration (0-100 mg L-1) on Chaetoceros muelleri were studied. Low PPCP concentrations (<40 mg L-1) increased the amounts of chlorophyll and proteins in the microalgae. However, cell viability, chlorophyll and protein contents dramatically decreased with increasing PPCPs concentrations (>40 mg L-1).
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Affiliation(s)
- Amin Mojiri
- Department of Civil and Environmental Engineering, Graduate School of Advance Science and Engineering, Hiroshima University, Higashihiroshima 739-8527, Japan
| | - Maedeh Baharlooeian
- Department of Marine Biology, Faculty of Marine Science and Oceanography, Khorramshahr University of Marine Science and Technology, Khorramshahr 669, Iran;
| | - Reza Andasht Kazeroon
- Faculty of Civil Engineering, Xi’an University of Architecture and Technology, Xi’an 710055, China;
| | - Hossein Farraji
- School of Physical and Chemical Sciences, University of Canterbury, Christchurch 8140, New Zealand;
| | - Ziyang Lou
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China;
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Wang D, Gu Y, Yang Z, Zhou L. Synthesis and assessment of schwertmannite/few-layer graphene composite for the degradation of sulfamethazine in heterogeneous Fenton-like reaction. R Soc Open Sci 2020; 7:191977. [PMID: 32874605 PMCID: PMC7428258 DOI: 10.1098/rsos.191977] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 06/25/2020] [Indexed: 06/11/2023]
Abstract
Schwertmannite (sch), an iron oxyhydrosulfate mineral, can catalyse a Fenton-like reaction to degrade organic contaminants, but the reduction of Fe(III) to Fe(II) on the surface of schwertmannite is a limiting step for the Fenton-like process. In the present study, the sch/few-layer graphene (sch-FLG) composite was synthesized to promote the catalytic activity of sch in a Fenton-like reaction. It was found that sch can be successfully carried by FLG in sch-FLG composite, mainly via the chemical bond of Fe-O-C on the surface of sch-FLG. The sch-FLG exhibited a much higher catalytic activity than sch or FLG for the degradation of sulfamethazine (SMT) in the heterogeneous Fenton-like reaction, which resulted from the fact that the FLG can pass electrons efficiently. The degradation efficiency of SMT was around 100% under the reaction conditions of H2O2 200-500 mg l-1, sch-FLG dosage 1-2 g l-1, temperature 28-38°C, and initial solution pH 1-9. During the repeated uses of sch-FLG in the Fenton-like reaction, it maintained a certain catalytic activity for the degradation of SMT and the mineral structure was not changed. In addition, SMT may be finally mineralized in the Fenton-like reaction catalysed by sch-FLG, and the possible degradation pathways were proposed. Therefore, the sch-FLG is an excellent catalyst for SMT degradation in a heterogeneous Fenton-like reaction.
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Affiliation(s)
- Dianzhan Wang
- Department of Environmental Engineering, College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, People's Republic of China
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Mohamed Ameen H, Kunsági-Máté S, Noveczky P, Szente L, Lemli B. Adsorption of Sulfamethazine Drug onto the Modified Derivatives of Carbon Nanotubes at Different pH. Molecules 2020; 25:molecules25112489. [PMID: 32471230 PMCID: PMC7321183 DOI: 10.3390/molecules25112489] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 05/24/2020] [Accepted: 05/26/2020] [Indexed: 01/12/2023] Open
Abstract
The sulfamethazine drug interaction with carbon nanotubes was investigated with the aim of improving the adsorption capacity of the adsorptive materials. Experiments were performed to clarify how the molecular environment affects the adsorption process. Single-walled carbon nanotubes have a higher removal efficiency of sulfamethazine than pristine or functionalized multi-walled carbon nanotubes. Although the presence of cyclodextrin molecules improves the solubility of sulfamethazine, it reduces the adsorption capacity of the carbon nanotube towards the sulfamethazine drug and, therefore, inhibits the removal of these antibiotic pollutants from waters by carbon nanotubes.
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Affiliation(s)
- Hiba Mohamed Ameen
- Department of General and Physical Chemistry, Faculty of Sciences, University of Pécs, Ifjúság 6, H-7624 Pécs, Hungary;
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary;
| | - Sándor Kunsági-Máté
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary;
- János Szentágothai Research Center, University of Pécs, Ifjúság 20, H-7624 Pécs, Hungary;
| | - Péter Noveczky
- János Szentágothai Research Center, University of Pécs, Ifjúság 20, H-7624 Pécs, Hungary;
| | - Lajos Szente
- CycloLab Cyclodextrin Research & Development Laboratory, Ltd., Illatos 7, H-1097 Budapest, Hungary;
| | - Beáta Lemli
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary;
- János Szentágothai Research Center, University of Pécs, Ifjúság 20, H-7624 Pécs, Hungary;
- Correspondence: ; Tel.: +36-72-503600 (ext. 35462)
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Wang J, Zhu XL, Han ZY, Hu J, Qin ZR, Jiao WT. [Adsorption Characteristics of Sulfamethazine on Three Typical Porous High-temperature Modified Solid Waste Materials]. Huan Jing Ke Xue 2020; 41:1319-1328. [PMID: 32608633 DOI: 10.13227/j.hjkx.201908210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Three typical porous solid wastes, including livestock manure, crop straw, and coal mining waste, were used as raw materials to prepare cattle manure charcoal, straw charcoal, and coal gangue charcoal by low-oxygen controlling temperature carbonization and calcination. Batch adsorption experiments of sulfamethazine (SMZ) in water were carried out. Adsorption kinetics and isothermal adsorption equilibrium were used to investigate the adsorption characteristics of SMZ on cattle dung charcoal, straw charcoal, and coal gangue charcoal, and the adsorption mechanism was discussed by means of field-electron scanning electron microscope, Fourier transform infrared spectroscopy, Boehm titration, Brunauer-Emmett-Teller measurement, and zeta potentiometric titration. The results showed that the adsorption of SMZ on the three carbon materials reached equilibrium at 24 h. The adsorption kinetics of SMZ on three kinds of carbon materials agreed with the quasi-second-order kinetics equation. R2 ranged from 0.9968 to 0.9999, and the adsorption rate decreased with the decrease in effective adsorption sites on the surface of carbon materials. The adsorption process mainly consists of three steps:membrane diffusion, intraparticle diffusion, and the equilibrium stage. Both intraparticle diffusion and membrane diffusion control the adsorption rate. Isothermal adsorption is more consistent with the Freundlich model. R2 is between 0.9874 and 0.9997. It is mainly physical adsorption and spontaneous exothermic reaction. The maximum adsorption capacity of the three kinds of carbon materials was cattle dung carbon (19.64 mg·g-1) > coal gangue carbon (12.06 mg·g-1) > straw carbon (9.16 mg·g-1). The adsorption mechanism of SMZ on the three kinds of carbon materials mainly includes hydrogen bonding between molecules, surface electrostatic adsorption of multi-molecular layers, and pore filling. Of these, electrostatic adsorption is the main adsorption mechanism. The best adsorption performance of cattle manure charcoal may be due to its rich oxygen-containing functional groups, more negative charges, and larger specific surface area and pore volume.
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Affiliation(s)
- Jing Wang
- College of Urban and Environmental Science, Northwest University, Xi'an 710127, China.,State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Xiao-Li Zhu
- College of Urban and Environmental Science, Northwest University, Xi'an 710127, China
| | - Zi-Yu Han
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Jian Hu
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Zhi-Rui Qin
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
| | - Wen-Tao Jiao
- State Key Laboratory of Urban and Regional Ecology, Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China
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Mohamed Ameen H, Kunsági-Máté S, Bognár B, Szente L, Poór M, Lemli B. Thermodynamic Characterization of the Interaction between the Antimicrobial Drug Sulfamethazine and Two Selected Cyclodextrins. Molecules 2019; 24:molecules24244565. [PMID: 31847074 PMCID: PMC6943531 DOI: 10.3390/molecules24244565] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2019] [Revised: 12/05/2019] [Accepted: 12/11/2019] [Indexed: 11/18/2022] Open
Abstract
Sulfamethazine is a representative member of the sulfonamide antibiotic drugs; it is still used in human and veterinary therapy. The protonation state of this drug affects its aqueous solubility, which can be controlled by its inclusion complexes with native or chemically-modified cyclodextrins. In this work, the temperature-dependent (298–313 K) interaction of sulfamethazine with native and randomly methylated β-cyclodextrins have been investigated at acidic and neutral pH. Surprisingly, the interaction between the neutral and anionic forms of the guest molecule and cyclodextrins with electron rich cavity are thermodynamically more favorable compared to the cationic guest. This property probably due to the enhanced formation of zwitterionic form of sulfamethazine in the hydrophobic cavities of cyclodextrins. Spectroscopic measurements and molecular modeling studies indicated the possible driving forces (hydrophobic interaction, hydrogen bonding, and electrostatic interaction) of the complex formation, and highlighted the importance of the reorganization of the solvent molecules during the entering of the guest molecule into the host’s cavity.
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Affiliation(s)
- Hiba Mohamed Ameen
- Department of General and Physical Chemistry, Faculty of Sciences, University of Pécs, Ifjúság 6, H-7624 Pécs, Hungary;
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary; (S.K.-M.); (B.B.)
| | - Sándor Kunsági-Máté
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary; (S.K.-M.); (B.B.)
- János Szentágothai Research Center, University of Pécs, Ifjúság 20, H-7624 Pécs, Hungary;
| | - Balázs Bognár
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary; (S.K.-M.); (B.B.)
| | - Lajos Szente
- CycloLab Cyclodextrin Research & Development Laboratory, Ltd., Illatos 7, H-1097 Budapest, Hungary;
| | - Miklós Poór
- János Szentágothai Research Center, University of Pécs, Ifjúság 20, H-7624 Pécs, Hungary;
- Department of Pharmacology, Faculty of Pharmacy, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary
| | - Beáta Lemli
- Institute of Organic and Medicinal Chemistry, Medical School, University of Pécs, Szigeti 12, H-7624 Pécs, Hungary; (S.K.-M.); (B.B.)
- János Szentágothai Research Center, University of Pécs, Ifjúság 20, H-7624 Pécs, Hungary;
- Correspondence: ; Tel.: +36-72-503-600 (ext. 35462)
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Awaisheh SS, Khalifeh MS, Rahahleh RJ, Al-Khaza’leh JM, Algroom RM. Sulfamethazine contamination level and exposure assessment in domestic and imported poultry meats in Jordan. Vet World 2019; 12:1992-1997. [PMID: 32095052 PMCID: PMC6989328 DOI: 10.14202/vetworld.2019.1992-1997] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2019] [Accepted: 11/08/2019] [Indexed: 11/16/2022] Open
Abstract
BACKGROUND AND AIM Sulfamethazine (SMZ) is an important and widely used antibiotic in poultry industry due to its high efficacy in fighting diseases and promoting growth. In addition, SMZ is a possible human carcinogen and has been found in many food types including poultry meat. Accordingly, this study aimed to survey the contamination level and estimated daily intake (EDI) of SMZ in domestic and imported poultry meat samples in Jordan. MATERIALS AND METHODS A total of 120 samples; 60, 30, and 30 of fresh and frozen domestic and frozen imported poultry samples, respectively, were collected from different cities in Jordan. Poultry samples were analyzed for SMZ incidence rate and contamination level using a competitive enzyme-linked immunosorbent assay technique. EDI values were calculated from the SMZ concentration, average poultry daily consumption rate, and adult body weight (b.w.). RESULTS Of the 120 surveyed samples, 20 samples (16.7%) were SMZ violative positive and exceeded the European Union maximum limit (100 µg/kg) and accordingly were unfit for human consumption. Whereas, 51 samples (42.5%) were with SMZ concentrations of 10-100 µg/kg. The average SMZ concentration was 235.58 µg/kg, with a range of 11.47-800 µg/kg poultry meat. It is also noteworthy the high EDI of SMZ by Jordanian adults, 0.286 µg SMZ/kg b.w./day. Moreover, results prevailed that the highest SMZ incidence rate and contamination level were for imported poultry samples followed by domestic poultry samples, which may indicate that SMZ contamination in poultry meat is an international issue. CONCLUSION The current study prevailed high SMZ incidence rate, contamination level, and EDI values, which is likely due to indiscriminate use of SMZ in poultry production. Results also prevailed the high risk that consumers in Jordan may expose due to SMZ residues. Therefore, more strict program and good agricultural practices should be applied to monitor antibiotic withdrawal periods in animals used for human consumption to ensure the legal residue requirements of these antibiotics.
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Affiliation(s)
- Saddam S. Awaisheh
- Department of Nutrition and Food Processing, Al-Balqa Applied University, Salt 19117, Jordan
| | - Mohammad S. Khalifeh
- Department of Veterinary Basic Sciences, Jordan University of Science and Technology, Irbid 22110, Jordan
| | - Razan J. Rahahleh
- Department of Nutrition and Food Processing, Al-Balqa Applied University, Salt 19117, Jordan
| | - Ja’far M. Al-Khaza’leh
- Department of Nutrition and Food Processing, Al-Balqa Applied University, Salt 19117, Jordan
| | - Rania M. Algroom
- Department of Food Science, Al-Balqa Applied University, Zarqa 19237, Jordan
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Suo D, Wang P, Xiao Z, Zhang S, Zhuang H, Li Y, Su X. Multiresidue Determination of 27 Sulfonamides in Poultry Feathers and Its Application to a Sulfamethazine Pharmacokinetics Study on Laying Hen Feathers and Sulfonamide Residue Monitoring on Poultry Feathers. J Agric Food Chem 2019; 67:11236-11243. [PMID: 31539244 DOI: 10.1021/acs.jafc.9b02782] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
A method for the simultaneous determination of 27 sulfonamides in poultry feathers using ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) was established in this study. The samples were extracted using 0.1 mol/L HCl solutions in a 60 °C water bath for 2 h, purified using hydrophilic-lipophilic balance solid-phase extraction, nitrogen-dried, and then reconstituted for UPLC-MS/MS analysis, which was performed with a CSH-C18 column. Linearity, limit of detection, limit of quantification, recovery, and precision were calculated in accordance with Commission Decision 2002/657/EC. For linearity, all standard curves showed a standard coefficient greater than 0.99, and the recoveries and coefficient of variation were 89-115% and <20%, respectively. The limit of detection and limit of quantification were 0.2-5 and 0.5-20 ng/g, respectively. The method was successfully applied to sulfamethazine (SMZ) residue accumulation monitoring in laying hen feathers and sulfonamide residue monitoring on poultry feathers. SMZ residue accumulation in the laying hen feathers was studied after administration with 100 mg/kg of SMZ for 21 consecutive days. SMZ residues were still detected in feathers 14 days after drug administration and persisted for up to 85 days. Results from 42 poultry feather samples showed that the feather is a suitable medium to monitor the illegal use of sulfonamides in poultry production.
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Affiliation(s)
- Decheng Suo
- Institute of Quality Standards and Testing Technology for Agricultural Products , Chinese Academy of Agricultural Science , Beijing 100081 , People's Republic of China
| | - Peilong Wang
- Institute of Quality Standards and Testing Technology for Agricultural Products , Chinese Academy of Agricultural Science , Beijing 100081 , People's Republic of China
| | - Zhiming Xiao
- Institute of Quality Standards and Testing Technology for Agricultural Products , Chinese Academy of Agricultural Science , Beijing 100081 , People's Republic of China
| | - Su Zhang
- Institute of Quality Standards and Testing Technology for Agricultural Products , Chinese Academy of Agricultural Science , Beijing 100081 , People's Republic of China
| | - Hongting Zhuang
- Liaoning Agricultural Development Service Center , Shenyang , Liaoning 110000 , People's Republic of China
| | - Yang Li
- Institute of Quality Standards and Testing Technology for Agricultural Products , Chinese Academy of Agricultural Science , Beijing 100081 , People's Republic of China
| | - Xiaoou Su
- Institute of Quality Standards and Testing Technology for Agricultural Products , Chinese Academy of Agricultural Science , Beijing 100081 , People's Republic of China
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Huynh K, Reinhold D. Uptake, translocation, and metabolism of sulfamethazine by Arabidopsis thaliana: distinguishing between phytometabolites and abiotic transformation products in the media. Int J Phytoremediation 2019; 22:412-419. [PMID: 31549518 DOI: 10.1080/15226514.2019.1667952] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Plant accumulation of antibiotic residues presents potential risks to human and ecosystem health. However, the phytometabolic pathways of antibiotics following plant uptake are still largely uncharacterized. This study investigated the phytometabolism of sulfamethazine (SMT) by Arabidopsis thaliana, using 14C-labeled and unlabeled SMT. SMT was accumulated in both roots and shoots of axenic A. thaliana plants (123.7 ± 12.3 and 22.7 ± 1.0 µg/kg fw, respectively) after 21 days of exposure. However, the parent 14C-SMT accounted for only 1.7 ± 0.01% of the total 14C-radioactivity in plant tissues. The majority of 14C-radioactivity taken up by plants was present as bound residues (42.0-68.2% of initially applied 14C-SMT), while extractable 14C-residues accounted for only 7.7-12.6%. A. thaliana metabolized SMT primarily through glycosylation at the N4-nitrogen atom. Additionally, other products, including pterin-SMT, methylsalicylate-SMT, N4-formyl-SMT, desulfo-SMT, hydroxyl-SMT, N4-acetyl-SMT, desamino-SMT, and 2-amino-4,6-dimethylpyrimidine, were also identified. Notably, a portion of the extractable metabolites was excreted into the culture media, requiring characterization of these metabolites as either excreted phytometabolites or abiotic transformation products of SMT based on comparisons between experimental and control reactors.
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Affiliation(s)
- Khang Huynh
- Department of Biosystems and Agricultural Engineering, Michigan State University, East Lansing, MI, USA
- Plant and Environmental Sciences Department, Clemson University, Clemson, SC, USA
| | - Dawn Reinhold
- Department of Biosystems and Agricultural Engineering, Michigan State University, East Lansing, MI, USA
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Shelver WL, McGarvey AM. Assessment of veterinary drugs present in pork kidney from a Midwest US retail market. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2019; 36:571-581. [PMID: 30882287 DOI: 10.1080/19440049.2019.1586455] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
A total of 1040 pork kidneys were purchased from 4 retail stores located in a Midwestern US town and screened for antibiotics with the Charm-KIS™ screening test. Six samples (0.6%) tested positive with the Charm-KIS™. Sixty-five samples from each retail location and the 18 Charm-KIS™ positive or 'caution' samples were also subjected to ELISA to determine the presence of commonly used veterinary drugs including flunixin, ractopamine, sulfamethazine, and/or tetracycline of the 278 samples assessed by ELISA, flunixin, ractopamine, sulfamethazine, and tetracycline residues were found to be 0%, 22%, 4%, and 10% ELISA positive respectively, and had greater than limit of quantitation concentrations as measured by LC-MS/MS. All residue levels determined by LC-MS/MS were well below US tolerances, regardless of analyte. These findings suggest that veterinary drugs are being used in accordance with US regulations and that veterinary drug residues in pork do not pose a health concern to US consumers.
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Affiliation(s)
- Weilin L Shelver
- a Edward T Schafer Agricultural Research Center, Biosciences Research Laboratory , USDA Agricultural Research Service , Fargo , USA
| | - Amy M McGarvey
- a Edward T Schafer Agricultural Research Center, Biosciences Research Laboratory , USDA Agricultural Research Service , Fargo , USA
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Suraritdechachai S, Charoenpakdee C, Young I, Maher S, Vilaivan T, Praneenararat T. Rapid Detection of the Antibiotic Sulfamethazine in Pig Body Fluids by Paper Spray Mass Spectrometry. J Agric Food Chem 2019; 67:3055-3061. [PMID: 30799617 DOI: 10.1021/acs.jafc.9b00500] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
We report herein a practical method for nonlethal detection of the antibiotic sulfamethazine in pig body fluids via the combination of simple extraction and paper spray mass spectrometry (PS-MS). This method requires minimal sample preparation while still providing high sensitivities and accuracies in complex matrices including pig whole blood (LOD = 7.9 μg/L; recovery = 95.4-103.7%), pig serum (LOD = 11.5 μg/L; recovery = 103.2-106.2%), and synthetic urine (LOD = 11.2 μg/L; recovery = 99.1-103.2%). Given a known correlation between the level of sulfamethazine in body fluids and edible tissues, this method shows great promise as a practical and nonlethal solution for rapid testing of the drug, which can substantially aid managerial decision in the livestock industry.
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Affiliation(s)
- Surased Suraritdechachai
- Department of Chemistry, Faculty of Science , Chulalongkorn University , Phayathai Road , Pathumwan, Bangkok , 10330 , Thailand
- The Chemical Approaches for Food Applications Research Group, Faculty of Science , Chulalongkorn University , Phayathai Road , Pathumwan, Bangkok , 10330 , Thailand
| | - Chayan Charoenpakdee
- Department of Chemistry, Faculty of Science , Chulalongkorn University , Phayathai Road , Pathumwan, Bangkok , 10330 , Thailand
- Organic Synthesis Research Unit, Department of Chemistry, Faculty of Science , Chulalongkorn University , Phayathai Road , Pathumwan, Bangkok , 10330 , Thailand
| | - Iain Young
- Institute of Integrative Biology , University of Liverpool , Crown Street , Liverpool , L69 7ZB , United Kingdom
| | - Simon Maher
- Department of Electrical Engineering & Electronics , University of Liverpool , Brownlow Hill , Liverpool , L69 3GJ , United Kingdom
| | - Tirayut Vilaivan
- Department of Chemistry, Faculty of Science , Chulalongkorn University , Phayathai Road , Pathumwan, Bangkok , 10330 , Thailand
- Organic Synthesis Research Unit, Department of Chemistry, Faculty of Science , Chulalongkorn University , Phayathai Road , Pathumwan, Bangkok , 10330 , Thailand
| | - Thanit Praneenararat
- Department of Chemistry, Faculty of Science , Chulalongkorn University , Phayathai Road , Pathumwan, Bangkok , 10330 , Thailand
- The Chemical Approaches for Food Applications Research Group, Faculty of Science , Chulalongkorn University , Phayathai Road , Pathumwan, Bangkok , 10330 , Thailand
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Romeiro GF, Oliveira CA, Tomita IN, Santos-Neto ÁJ, Zaiat M, Lima Gomes PCF. Evaluation of sulfamethazine removal kinetics using fixed structured bed bioreactor. Environ Technol 2019; 40:979-987. [PMID: 29210314 DOI: 10.1080/09593330.2017.1414315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 11/29/2017] [Indexed: 06/07/2023]
Abstract
The use of anaerobic biomass attached to a support has been recently presented as a good prospect in the treatment of wastewater containing recalcitrant compounds, such as sulfamethazine (SMZ). SMZ has been found in swine wastewater and sewage treatment plants, which motivates assessing their degradation by new wastewater treatment technologies. Thus, this paper describes the use of a continuous fixed structured bed bioreactor for the purpose of evaluating SMZ removal kinetics present in lab-made wastewater. The analysis of SMZ used online solid-phase extraction coupled to liquid chromatography/tandem mass spectrometry (SPE online-LC-MS/MS). Chemical oxygen demand (COD) was also monitored to evaluate the organic matter removal. The bioreactor was operated under mesophilic conditions (30 ∘ C), with a hydraulic retention time of 24 h. In order to evaluate SMZ removal, four different concentration levels were studied: 200, 400, 600, and 800 ng L-1. COD removal efficiency obtained for filtered effluent kept at 91.01% and there was no interference due to the increase of SMZ concentration. For SMZ, the removal efficiencies were of 52.8±12.1% for 200 ng L-1 concentration level; 55.0±8.15% for 400 ng L-1; 53.0±6.14% for 600 ng L-1, and 48.8±5.44% for 800 ng L-1. COD removal kinetics presented a first-order apparent removal rate constant ( kapp ) of 0.281±0.0295 h-1. SMZ also showed a first-order apparent removal rate constant of 0.158±0.0093 h-1 for the following concentrations levels: 200, 400, 600, and 800 ng L-1.
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Affiliation(s)
- Guilherme Flandoli Romeiro
- a Biological Processes Laboratory, Center for Research, Development and Innovation in Environmental Engineering , São Carlos School of Engineering (EESC), University of São Paulo (USP), Environmental Engineering - Bloco 4-F , São Carlos , SP , Brazil
| | - Cristiane Arruda Oliveira
- a Biological Processes Laboratory, Center for Research, Development and Innovation in Environmental Engineering , São Carlos School of Engineering (EESC), University of São Paulo (USP), Environmental Engineering - Bloco 4-F , São Carlos , SP , Brazil
| | - Inês N Tomita
- a Biological Processes Laboratory, Center for Research, Development and Innovation in Environmental Engineering , São Carlos School of Engineering (EESC), University of São Paulo (USP), Environmental Engineering - Bloco 4-F , São Carlos , SP , Brazil
| | - Álvaro J Santos-Neto
- b Institute of Chemistry of São Carlos , University of São Paulo , São Carlos , SP , Brazil
| | - Marcelo Zaiat
- a Biological Processes Laboratory, Center for Research, Development and Innovation in Environmental Engineering , São Carlos School of Engineering (EESC), University of São Paulo (USP), Environmental Engineering - Bloco 4-F , São Carlos , SP , Brazil
| | - Paulo Clairmont F Lima Gomes
- c Institute of Chemistry, Department of Analytical Chemistry , São Paulo State University (UNESP) , Araraquara , SP , Brazil
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40
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Zhang BJ, Zhao YYC, Fang Q, Shi FL, Zhang YC, Zhao Q, Tian SL, Li YJ. [Photo-assisted Degradation of Sulfamethazine by Ferrocene-catalyzed Heterogeneous Fenton-like System]. Huan Jing Ke Xue 2018; 39:5043-5050. [PMID: 30628227 DOI: 10.13227/j.hjkx.201803157] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Antibiotics are acknowledged micropollutants in wastewaters and surface waters. They are of particular concern because they can trigger an increase in resistant bacteria. Therefore, novel and efficient technology for the removal of antibiotics is urgently needed. In this study, heterogeneous Fenton-like reaction based on ferrocene (Fc) had been constructed, sulfamethazine (SMZ) was selected as target compound due to its abundance in water. The degradation kinetics, transformation pathway, and degradation products of SMZ in this system were investigated. The results showed that Fc+H2O2+UV had better degradation efficiency for SMZ than did Fc, Fc+UV, H2O2, and H2O2+UV, Fc+H2O2 systems. Radical scavenger experiments confirmed that the photogenerated OH was largely responsible for the photolytic enhancement of SMZ in the Fc+H2O2+UV system. Additionally, the electron spin resonance technique revealed that photogenerated O2- was found in the system, indicating that Fc can generate electrons under light conditions. H2O2 underwent electron disproportionation to produce OH, which promoted the degradation of SMZ. The degradation products of SMZ in the Fc+H2O2+UV system were identified by LC/LTQ-Orbitrap MS. The hydroxylation of SMZ, the removal of SO2, and the products of breaking C-S, S-N, and N-C bonds were observed. Common soluble components (such as DOM, Cl-, and Br-) in water can quench OH, thus inhibiting the photodegradation of SMZ. However, the ionic strength had no significant effect on the degradation of SMZ in the Fc+H2O2+UV system, which showed that this technique positively affected the treatment of wastewater containing high-salinity antibiotics.
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Affiliation(s)
- Biao-Jun Zhang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Yao-Yun-Chuan Zhao
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Qi Fang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Feng-Li Shi
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Yue-Chao Zhang
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Qun Zhao
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Sen-Lin Tian
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
| | - Ying-Jie Li
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650500, China
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Huang W, Qing Y, Wang N, Lu Y, Liu T, Liu T, Yang W, Li S. Novel Thermosensitive Core⁻Shell Surface Molecularly Imprinted Polymers Based on SiO₂ for the Selective Adsorption of Sulfamethazine. Materials (Basel) 2018; 11:E2067. [PMID: 30360464 DOI: 10.3390/ma11112067] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/02/2018] [Revised: 09/12/2018] [Accepted: 09/12/2018] [Indexed: 11/17/2022]
Abstract
In this research, a novel, sulfamethazine, thermosensitive, molecularly-imprinted polymer (MIP) with an obvious core–shell structure for the enrichment of sulfamethazine (SMZ), which involved temperature sensitive monomer N-Isopropylacrylamide, functional monomer methacrylic acid and cross-linking agents ethyleneglycol dimethacrylate (EGDMA) and N,N′-methylenebisacrylamide, was successfully compounded using the surface polymerization method. To ensure the best experimental group, we designed and compared three groups of controlled experiments of MIPs with different crosslinking agents. When the adsorption temperature was almost the lower critical solution temperature (LCST) of Poly(N-Isopropylacrylamide), the preparative MIPs showed outstanding adsorption capacity and specific identification to sulfamethazine. Moreover, this allowed the MIPs to better facilitate by combining the template molecules, as well as optimizing the imprinting factor. In addition, after 80 min, the adsorption of the MIPs leveled off and remained constant, and the adsorption quantity reached (a maximum of) at 8.1 mg·g−1.
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Pang BK, Zhang JS, Wu J, Li ZL, Jiang JY. [Effects of the Veterinary Antibiotic Sulfamethazine on Ammonia Volatilization from a Paddy Field Treated with Conventional Synthetic Fertilizer and Manure]. Huan Jing Ke Xue 2018; 39:3460-3466. [PMID: 29962174 DOI: 10.13227/j.hjkx.201711095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Veterinary antibiotics have been widely detected in croplands due to the application of animal excrements as fertilizer. However, their effects on ammonia (NH3) volatilization remain unclear. A field experiment was conducted to evaluate the effect of sulfamethazine on NH3 volatilization from a paddy field when conventional synthetic fertilizer or manure was applied as basal fertilizer. Five different treatments were conducted in this study: without application of fertilizers and antibiotics (CK), compound fertilizer used as basal fertilizer with and without the addition of sulfamethazine (CF+SD and CF respectively), and pig manure used as base fertilizer with and without the addition of sulfamethazine (CM+SD and CM respectively). Urea was used for topdressing in the CF, CF+SD, CM, and CM+SD treatments. The results showed that regardless of the fertilizer type applied, sulfamethazine did not affect the seasonal pattern of NH3volatilization. However, it promoted the NH3 volatilization rate in the topdressing stage significantly (P<0.01). During the observation period, the proportions of applied N lost as NH3-N in the CF+SD and CM+SD treatments were 1.65 and 2.78 times higher than those in the CF and CM treatments, respectively. The promoting effect of sulfamethazine was more obvious in the pig manure treatment than in the compound fertilizer treatment. Sulfamethazine significantly increased the soil urease activity (P<0.05). Furthermore, the NH3 volatilization rate was positively correlated with urease activity and soil ammonia nitrogen content (P<0.05). This indicates that sulfamethazine can increase the NH3 volatilization rate by changing the soil urease activity and inorganic nitrogen content. Controlling the misuse of veterinary antibiotics and environmental and ecological risks posed by the antibiotic residues in farmland excrements are urgent problems in China that need to be solved.
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Affiliation(s)
- Bing-Kun Pang
- College of Resource and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Jing-Sha Zhang
- College of Resource and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Jie Wu
- College of Resource and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Zhi-Lin Li
- College of Resource and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Jing-Yan Jiang
- College of Resource and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
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Nassar R, Rifai A, Trivella A, Mazellier P, Mokh S, Al-Iskandarani M. Aqueous chlorination of sulfamethazine and sulfamethoxypyridazine: Kinetics and transformation products identification. J Mass Spectrom 2018; 53:614-623. [PMID: 29672996 DOI: 10.1002/jms.4191] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Revised: 03/18/2018] [Accepted: 04/04/2018] [Indexed: 06/08/2023]
Abstract
Sulfonamides (SNs) are synthetic antimicrobial agents. These substances are continually introduced into the environment, and they may spread and maintain bacterial resistance in the different compartments. The chlorination of 2 SNs, namely, sulfamethazine (SMT) and sulfamethoxypyridazine (SMP), was investigated to study their reactivity with chlorine at typical concentrations for water treatment conditions. Experiments conducted in purified water show an acceleration of SMT and SMP degradation of a factor 1.5 by comparison to drinking water matrix. This difference is due to pH variation and competitive reactions between SNs and mineral and organic compounds, with chlorine in drinking water. In the presence of an excess of chlorine (6.7 μmol·L-1 ) in ultrapure water at pH 7.2, second-order degradation rate constants were equal to 4.5 × 102 M-1 ·s-1 and 5.2 × 102 M-1 ·s-1 for SMT and SMP, respectively. The structures of transformation products were investigated by liquid chromatography tandem mass spectrometry analyses with equimolar concentrations between chlorine and SNs. SO2 elimination, cyclization, and electrophilic substitutions were the main pathways of by-products formation. Moreover, the toxicity of the proposed structures was predicted by using toxicity estimation software tool program. The results indicated that most by-products may present developmental toxicity.
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Affiliation(s)
- Rania Nassar
- Faculty of Public Health I, Lebanese University, Hadath, Lebanon
- Laboratory for Analysis of Organic Compound (LACO), Lebanese Atomic Energy Commission (LAEC), Lebanese National Council for Scientific Research (CNRSL), 11-8281, Riad El Solh, Beirut, 1107 2260, Lebanon
- Univ. Bordeaux, UMR EPOC CNRS 5805, LPTC, Talence, F-33405, France
- CNRS, EPOC, UMR 5805, LPTC, Talence, F-33400, France
| | - Ahmad Rifai
- Laboratory for Analysis of Organic Compound (LACO), Lebanese Atomic Energy Commission (LAEC), Lebanese National Council for Scientific Research (CNRSL), 11-8281, Riad El Solh, Beirut, 1107 2260, Lebanon
| | - Aurélien Trivella
- Univ. Bordeaux, UMR EPOC CNRS 5805, LPTC, Talence, F-33405, France
- CNRS, EPOC, UMR 5805, LPTC, Talence, F-33400, France
| | - Patrick Mazellier
- Univ. Bordeaux, UMR EPOC CNRS 5805, LPTC, Talence, F-33405, France
- CNRS, EPOC, UMR 5805, LPTC, Talence, F-33400, France
| | - Samia Mokh
- Laboratory for Analysis of Organic Compound (LACO), Lebanese Atomic Energy Commission (LAEC), Lebanese National Council for Scientific Research (CNRSL), 11-8281, Riad El Solh, Beirut, 1107 2260, Lebanon
| | - Mohamad Al-Iskandarani
- Faculty of Public Health I, Lebanese University, Hadath, Lebanon
- Laboratory for Analysis of Organic Compound (LACO), Lebanese Atomic Energy Commission (LAEC), Lebanese National Council for Scientific Research (CNRSL), 11-8281, Riad El Solh, Beirut, 1107 2260, Lebanon
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Liu Y, Wang X, Li Y, Chen X. Metabolomic analysis of short-term sulfamethazine exposure on marine medaka (Oryzias melastigma) by comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry. Aquat Toxicol 2018; 198:269-275. [PMID: 29573603 DOI: 10.1016/j.aquatox.2018.03.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 03/05/2018] [Accepted: 03/07/2018] [Indexed: 06/08/2023]
Abstract
Toxicological effects of sulfamethazine (SM2) have garnered increasing concern due to its wide applications in aquaculture and persistence in the aquatic environment. Most studies have main focused on freshwater fish (i.e. zebrafish), while information regarding effects of SM2 on marine species is still scarce. Here, the hepatotoxicities in marine medaka (Oryzias melastigma) with an increasing SM2 concentration exposures (0.01 mg/L, 0.1 mg/L and 1 mg/L) were assessed by comprehensive two-dimensional gas chromatography-time-of-flight mass spectrometry (GC × GC-TOF/MS) based metabolomics. Significant metabolites belonging to different metabolites classes were identified by multivariate statistical analysis. The increases levels of amino acids including alanine, asparagine, ornithine, proline, threonine, glutamic acid, lysine, tyrosine and phenylalanine were found in at least two exposure levels. Pathway analysis revealed that amino acids played important biological roles during SM2 exposure: up-regulation of high energy-related amino acids for energy alteration; immune function disorder, oxidative stress and corresponding toxicities defenses. The down regulations of sugar and fatty acid metabolism were observed with an increasing level of SM2 exposure, suggesting that extra energy for cellular defense and detoxification was demanded in terms of different stress request. This study provided an innovative perspective to explore possible SM2 induced hepatic damages at three exposure levels on a nontarget aquatic specie.
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Affiliation(s)
- Yawen Liu
- State Key Laboratory of Marine Environmental Science, Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, College of the Environment and Ecology, Xiamen University, Xiamen 361005, China
| | - Xinhong Wang
- State Key Laboratory of Marine Environmental Science, Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, College of the Environment and Ecology, Xiamen University, Xiamen 361005, China.
| | - Yongyu Li
- State Key Laboratory of Marine Environmental Science, Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, College of the Environment and Ecology, Xiamen University, Xiamen 361005, China
| | - Xixi Chen
- State Key Laboratory of Marine Environmental Science, Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, College of the Environment and Ecology, Xiamen University, Xiamen 361005, China
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Yi Z, Wang J, Jiang T, Tang Q, Cheng Y. Photocatalytic degradation of sulfamethazine in aqueous solution using ZnO with different morphologies. R Soc Open Sci 2018; 5:171457. [PMID: 29765630 PMCID: PMC5936895 DOI: 10.1098/rsos.171457] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 03/13/2018] [Indexed: 05/19/2023]
Abstract
In this study, photocatalytic experiments of 20 mg l-1 sulfamethazine (SMN) in aqueous solution containing ZnO with different morphologies, tetra-needle-like ZnO (T-ZnO), flower-like ZnO (F-ZnO) and nanoparticles ZnO (P-ZnO), were performed. The results indicated that photocatalytic degradation of SMN was effective and followed the pseudo-first-order reaction, but the degree of SMN mineralization showed obvious differences using ZnO with different shapes. After 12 h irradiation, 86%, 71% and 50% of the initial total organic carbon was eliminated in SMN suspension containing T-ZnO, F-ZnO and P-ZnO, respectively. The release ratio of sulfur was close to 100% in the presence of T-ZnO, but reached to 86% and 67% in the presence of F-ZnO and P-ZnO, respectively. The release ratio of nitrogen was about 76%, 63% and 40% using T-ZnO, F-ZnO and P-ZnO as photocatalyst, respectively. The morphology of ZnO played an important role in determining its catalytic activity. Seven intermediates were observed and identified in the UV/T-ZnO reaction system by LC-MS/MS analysis, and a possible degradation pathway was proposed.
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Affiliation(s)
- Zhigang Yi
- College of Chemistry, Leshan Normal University, Leshan, Sichuan 614004, China
| | - Juan Wang
- Environmental Monitoring Station of Environmental Protection Bureau of Rizhao Lanshan, Lanshan, Shandong 276800, China
| | - Tao Jiang
- College of Chemistry, Leshan Normal University, Leshan, Sichuan 614004, China
| | - Qiong Tang
- College of Chemistry, Leshan Normal University, Leshan, Sichuan 614004, China
| | - Ying Cheng
- College of Chemistry, Leshan Normal University, Leshan, Sichuan 614004, China
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Xu S, Amarakoon ID, Zaheer R, Smith A, Sura S, Wang G, Reuter T, Zvomuya F, Cessna AJ, Larney FJ, McAllister TA. Dissipation of antimicrobial resistance genes in compost originating from cattle manure after direct oral administration or post-excretion fortification of antimicrobials. J Environ Sci Health A Tox Hazard Subst Environ Eng 2018; 53:373-384. [PMID: 29215973 DOI: 10.1080/10934529.2017.1404337] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 11/06/2017] [Indexed: 06/07/2023]
Abstract
Dissipation of antimicrobial resistance genes (ARG) during composting of cattle manure generated through fortification versus administration of antimicrobials in feed was compared. Manure was collected from cattle fed diets containing (kg-1) dry matter (DM): (1) 44 mg chlortetracycline (CTC), (2) a mixture of 44 mg each of chlortetracycline and sulfamethazine (CTCSMZ), (3) 11 mg tylosin (TYL) or (4) Control, no antimicrobials. Manures were composted for 30 d with a single mixing after 16 d to generate the second heating cycle. Quantitative PCR (qPCR) was used to measure 16S rDNA and tetracycline (tet), erythromycin (erm) and sulfamethazine (sul) genes. Temperature peaks ranged from 48 to 68°C across treatments in the first composting cycle, but except for the control, did not exceed 55°C in the second cycle. Copy numbers of 16S rDNA decreased (P < 0.05) during composting, but were not altered by antimcrobials. Except tet(L), all ARG decreased by 0.1-1.6 log10 g DM-1 in the first cycle, but some genes (tet[B], tet[L], erm[F], erm[X]) increased (P < 0.05) by 1.0-3.1 log10 g DM-1 in the second. During composting, levels of tet(M) and tet(W) in CTC, erm(A), erm(B) and erm(X) in TYL, and sul(1) in CTCSMZ remained higher (P < 0.05) in fed than fortified treatments. The dissipation of ARG during composting of manure fortified with antimicrobials differs from manure generated by cattle that are administered antimicrobials in feed, and does not always align with the dissipation of antimicrobial residues.
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Affiliation(s)
- Shanwei Xu
- a Lethbridge Research and Development Centre , Agriculture and Agri-Food Canada , Lethbridge , Canada
| | - Inoka D Amarakoon
- b Department of Soil Science , University of Manitoba , Winnipeg , Canada
| | - Rahat Zaheer
- a Lethbridge Research and Development Centre , Agriculture and Agri-Food Canada , Lethbridge , Canada
| | - Alanna Smith
- a Lethbridge Research and Development Centre , Agriculture and Agri-Food Canada , Lethbridge , Canada
| | - Srinivas Sura
- c Cumming School of Medicine , University of Calgary , Calgary , Canada
| | - George Wang
- a Lethbridge Research and Development Centre , Agriculture and Agri-Food Canada , Lethbridge , Canada
| | - Tim Reuter
- d Alberta Agriculture and Forestry , Lethbridge , Canada
| | - Francis Zvomuya
- b Department of Soil Science , University of Manitoba , Winnipeg , Canada
| | - Allan J Cessna
- e Saskatoon Research and Development Centre , Agriculture and Agri-Food Canada , Saskatoon , Canada
| | - Francis J Larney
- a Lethbridge Research and Development Centre , Agriculture and Agri-Food Canada , Lethbridge , Canada
| | - Tim A McAllister
- a Lethbridge Research and Development Centre , Agriculture and Agri-Food Canada , Lethbridge , Canada
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Patel UH, Purohit KP. Pyridine and 3-methylpyridine solvates of the triple sulfa drug constitutent sulfamethazine. Acta Crystallogr C Struct Chem 2017; 73:9-12. [PMID: 28035096 DOI: 10.1107/s2053229616015898] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Accepted: 10/08/2016] [Indexed: 11/10/2022]
Abstract
Sulfonamides display a wide variety of pharmacological activities. Sulfamethazine [abbreviated as SMZ; systematic name 4-amino-N-(4,6-dimethylpyrimidin-2-yl)benzenesulfonamide], one of the constitutents of the triple sulfa drugs, has wide clinical use. Pharmaceutical solvates are crystalline solids of active pharmaceutical ingredients (APIs) incorporating one or more solvent molecules in the crystal lattice, and these have received special attention, as the solvent molecule can impart characteristic physicochemical properties to APIs and solvates, therefore playing a significant role in drug development. The ability of SMZ to form solvates has been investigated. Both pyridine and 3-methylpyridine form solvates with SMZ in 1:1 molar ratios. The pyridine monosolvate, C12H14N4O2S·C5H5N, crystallizes in the orthorhombic space group Pna21, with Z = 8 and two molecules per assymetric unit, whereas the 3-methylpyridine monosolvate, C12H14N4O2S·C6H7N, crystallizes in the orthorhombic space group P212121, with Z = 4. Crystal structure analysis reveals intramolecular N-H...N hydrogen bonds between the molecules of SMZ and the pyridine solvent molecules. The solvent molecules in both structures play an active part in strong intermolecular interactions, thereby contributing significantly to the stability of both structures. Three-dimensional hydrogen-bonding networks exist in both structures involving at least one sulfonyl O atom and the amine N atom. In the pyridine solvate, there is a short π-π interaction [centroid-centroid distance = 3.926 (3) Å] involving the centroids of the pyridine rings of two solvent molecules and a weak intermolecular C-H...π interaction also contributes to the stability of the crystal packing.
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Affiliation(s)
- Urmila H Patel
- Department of Physics, Sardar Patel University, Vallabh Vidyanagar 388 120, Gujarat, India
| | - Ketankumar P Purohit
- Department of Physics, Sardar Patel University, Vallabh Vidyanagar 388 120, Gujarat, India
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Uchida K, Konishi Y, Harada K, Okihashi M, Yamaguchi T, Do MHN, Thi Bui L, Duc Nguyen T, Do Nguyen P, Thi Khong D, Thi Tran H, Nam Nguyen T, Viet Le H, Van Chau V, Thi Van Dao K, Thi Ngoc Nguyen H, Kajimura K, Kumeda Y, Tran Pham K, Ngoc Pham K, Trong Bui C, Quang Vien M, Hoang Le N, Van Dang C, Hirata K, Yamamoto Y. Monitoring of Antibiotic Residues in Aquatic Products in Urban and Rural Areas of Vietnam. J Agric Food Chem 2016; 64:6133-6138. [PMID: 27160655 DOI: 10.1021/acs.jafc.6b00091] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Antibiotic residues in aquatic products in Vietnam were investigated. A total of 511 fish and shrimp samples were collected from markets in Ho Chi Minh City (HCMC), Thai Binh (TB), and Nha Trang (NT) from July 2013 to October 2015. The samples were extracted with 2% formic acid in acetonitrile and washed with dispersive C18 sorbent. Thirty-two antibiotics were analyzed by LC-MS/MS. Of the 362 samples from HCMC, antibiotic residues were found in 53 samples. Enrofloxacin was commonly detected, at a rate of 10.8%. In contrast, samples from TB and NT were less contaminated: only 1 of 118 analyzed samples showed residues in TB and only 1 of 31 showed residues in NT. These differences were attributed to the local manufacturing/distribution systems. To understand the current status of antibiotic use and prevent adverse effects that may be caused by their overuse, continual monitoring is required.
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Affiliation(s)
- Kotaro Uchida
- Osaka Prefectural Institute of Public Health , 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan
- Graduate School of Pharmaceutical Sciences, Osaka University , 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Yoshimasa Konishi
- Osaka Prefectural Institute of Public Health , 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan
| | - Kazuo Harada
- Graduate School of Pharmaceutical Sciences, Osaka University , 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
- Global Collaboration Center, Osaka University , 2-7 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Masahiro Okihashi
- Osaka Prefectural Institute of Public Health , 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan
- Graduate School of Pharmaceutical Sciences, Osaka University , 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
- Global Collaboration Center, Osaka University , 2-7 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Takahiro Yamaguchi
- Osaka Prefectural Institute of Public Health , 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan
- Graduate School of Pharmaceutical Sciences, Osaka University , 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Mai Hoang Ngoc Do
- Institute of Public Health, Ho Chi Minh City , 159 Hung Phu, District 8, Ward 8, Ho Chi Minh City, Vietnam
| | - Long Thi Bui
- Institute of Public Health, Ho Chi Minh City , 159 Hung Phu, District 8, Ward 8, Ho Chi Minh City, Vietnam
| | - Thinh Duc Nguyen
- Institute of Public Health, Ho Chi Minh City , 159 Hung Phu, District 8, Ward 8, Ho Chi Minh City, Vietnam
| | - Phuc Do Nguyen
- Institute of Public Health, Ho Chi Minh City , 159 Hung Phu, District 8, Ward 8, Ho Chi Minh City, Vietnam
| | - Diep Thi Khong
- Thai Binh University of Medicine and Pharmacy , 373 Ly Bon Street, Thai Binh, Vietnam
| | - Hoa Thi Tran
- Thai Binh University of Medicine and Pharmacy , 373 Ly Bon Street, Thai Binh, Vietnam
| | - Thang Nam Nguyen
- Thai Binh University of Medicine and Pharmacy , 373 Ly Bon Street, Thai Binh, Vietnam
| | - Ha Viet Le
- Thai Binh University of Medicine and Pharmacy , 373 Ly Bon Street, Thai Binh, Vietnam
| | - Vien Van Chau
- Nha Trang Pasteur Institute , 8-10 Tran Phu, Xuong Huan Ward, Nha Trang City, Vietnam
| | - Khanh Thi Van Dao
- Nha Trang Pasteur Institute , 8-10 Tran Phu, Xuong Huan Ward, Nha Trang City, Vietnam
| | - Hue Thi Ngoc Nguyen
- Nha Trang Pasteur Institute , 8-10 Tran Phu, Xuong Huan Ward, Nha Trang City, Vietnam
| | - Keiji Kajimura
- Osaka Prefectural Institute of Public Health , 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan
| | - Yuko Kumeda
- Osaka Prefectural Institute of Public Health , 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan
| | - Khanh Tran Pham
- Vietnam Food Administration, Viet Nam Ministry of Health , 138A Giang Vo Street, Ba Dinh District, Ha Noi, Vietnam
| | - Khai Ngoc Pham
- Thai Binh University of Medicine and Pharmacy , 373 Ly Bon Street, Thai Binh, Vietnam
| | - Chien Trong Bui
- Nha Trang Pasteur Institute , 8-10 Tran Phu, Xuong Huan Ward, Nha Trang City, Vietnam
| | - Mai Quang Vien
- Nha Trang Pasteur Institute , 8-10 Tran Phu, Xuong Huan Ward, Nha Trang City, Vietnam
| | - Ninh Hoang Le
- Institute of Public Health, Ho Chi Minh City , 159 Hung Phu, District 8, Ward 8, Ho Chi Minh City, Vietnam
| | - Chinh Van Dang
- Institute of Public Health, Ho Chi Minh City , 159 Hung Phu, District 8, Ward 8, Ho Chi Minh City, Vietnam
| | - Kazumasa Hirata
- Graduate School of Pharmaceutical Sciences, Osaka University , 1-6 Yamadaoka, Suita, Osaka 565-0871, Japan
- Global Collaboration Center, Osaka University , 2-7 Yamadaoka, Suita, Osaka 565-0871, Japan
| | - Yoshimasa Yamamoto
- Osaka Prefectural Institute of Public Health , 1-3-69 Nakamichi, Higashinari-ku, Osaka 537-0025, Japan
- Global Collaboration Center, Osaka University , 2-7 Yamadaoka, Suita, Osaka 565-0871, Japan
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Abstract
BACKGROUND Acute toxoplasma retinochoroiditis causes transient symptoms of ocular discomfort and may lead to permanent visual loss. Antibiotic treatment aims primarily to reduce the risk of permanent visual loss, recurrent retinochoroiditis, and the severity and duration of acute symptoms. There is uncertainty about the effectiveness of antibiotic treatment. OBJECTIVES To compare the effects of antibiotic treatment versus placebo or no treatment for toxoplasma retinochoroiditis. SEARCH METHODS We searched CENTRAL (which contains the Cochrane Eyes and Vision group Trials Register) (2016, Issue 1), Ovid MEDLINE, Ovid MEDLINE In-Process and Other Non-Indexed Citations, Ovid MEDLINE Daily, Ovid OLDMEDLINE (January 1946 to February 2016), EMBASE (January 1980 to February 2016), Latin American and Caribbean Health Sciences Literature Database (LILACS) (January 1982 to February 2016), the ISRCTN registry (www.isrctn.com/editAdvancedSearch), ClinicalTrials.gov (www.clinicaltrials.gov), and the World Health Organization (WHO) International Clinical Trials Registry Platform (ICTRP) (www.who.int/ictrp/search/en). We did not use any date or language restrictions in the electronic searches for trials. We last searched the electronic databases on 22 February 2016. We searched the reference lists of identified articles and contacted pharmaceutical companies for unpublished trials. SELECTION CRITERIA We included randomised controlled trials that compared any antibiotic treatment against placebo or no treatment. We excluded trials that included immunocompromised participants. We considered any antibiotic treatment known to be active against Toxoplasma gondii. Antibiotic treatment could be given in any dose orally, by intramuscular injection, by intravenous infusion, or by intravitreal injection. DATA COLLECTION AND ANALYSIS The primary outcomes for this review were visual acuity at least three months after treatment and risk of recurrent retinochoroiditis. Secondary outcomes were improvement in symptoms and signs of intraocular inflammation, size of lesion, and adverse events. We used standard methodological procedures expected by Cochrane. MAIN RESULTS Four trials that randomised a total of 268 participants met the inclusion criteria. In all four studies antibiotic was administered orally.One study conducted in Brazil in both adults and children compared trimethoprim-sulfamexacocol over 20 months to no treatment and was judged to be at high risk of performance, detection, and attrition bias. The other three studies compared antibiotic treatment to placebo. We judged these three studies to be at a mixture of low or unclear risk of bias due to poor reporting. One study conducted in the US in adults studied pyrimethamine-trisulfapyrimidine for eight weeks; one study conducted in the UK in children and adults evaluated pyrimethamine for four weeks; and one study conducted in Brazil in adults investigated trimethoprim-sulfamethoxazole for 12 months. In the last study, all participants had active retinochoroiditis and were treated with antibiotics for 45 days prior to randomisation to trimethoprim-sulfamethoxazole versus placebo.Only the study in Brazil of trimethoprim-sulfamethoxazole over 12 months, in participants with healed lesions, reported the effect of treatment on visual acuity. People treated with antibiotics may have a similar change in visual acuity compared with people treated with placebo at one year (mean difference -1.00 letters, 95% confidence interval (CI) -7.93 to 5.93 letters; 93 participants; low-quality evidence).Treatment with antibiotics probably reduces the risk of recurrent retinochoroiditis compared with placebo (risk ratio (RR) 0.26, 95% CI 0.11 to 0.63; 227 participants; 3 studies; I(2) = 0%; moderate-quality evidence); similar results were seen for acute and chronic retinochoroiditis.The UK study of pyrimethamine for four weeks reported an improvement in intraocular inflammation in treated compared with control participants (RR 1.76, 95% CI 0.98 to 3.19; 29 participants; low-quality evidence). The study in Brazil of trimethoprim-sulfamethoxazole for 12 months stated that the severity of inflammation was higher in the comparator group when compared to the antibiotic-treated group but did not provide further details. In the US study of pyrimethamine-trisulfapyrimidine for eight weeks intraocular inflammation had almost completely resolved by eight weeks in all participants, however in this study all participants received steroid treatment.Two studies (UK and US studies) reported an increased risk of adverse events in treated participants. These were a fall in haemoglobin, leucocyte, and platelet count, nausea, loss of appetite, rash, and arthralgia. AUTHORS' CONCLUSIONS Treatment with antibiotics probably reduces the risk of recurrent toxoplasma retinochoroiditis, but there is currently no good evidence that this leads to better visual outcomes. However, absence of evidence of effect is not the same as evidence of no effect. Further trials of people with acute and chronic toxoplasma retinochoroiditis affecting any part of the retina are required to determine the effects of antibiotic treatment on visual outcomes.
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Affiliation(s)
- Eli Pradhan
- Tilganga Institute of OphthalmologyKathmanduNepal
| | | | - Ruth E Gilbert
- University College London, Institute of Child HealthPopulation, Policy & Practice Programme30 Guilford StreetLondonUKWC1N 1EH
| | - Miles Stanford
- St. Thomas' HospitalMedical Eye UnitLambeth Palace RoadLondonUKSE1 7EH
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Rafqah S, Seddigi ZS, Ahmed SA, Danish E, Sarakha M. Use of quadrupole time of flight mass spectrometry for the characterization of transformation products of the antibiotic sulfamethazine upon photocatalysis with Pd-doped ceria-ZnO nanocomposite. J Mass Spectrom 2015; 50:298-307. [PMID: 25800011 DOI: 10.1002/jms.3521] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/13/2014] [Revised: 09/08/2014] [Accepted: 10/06/2014] [Indexed: 06/04/2023]
Abstract
The photocatalytic degradation of the antibiotic sulfamethazine under excitation at 365 nm of Pd-doped ceria-ZnO nanocomposite, titanium dioxide and iron(III) aqua complex was deeply studied from the analytical point of view. It reveals the formation of nine degradation products that were detected in their protonated forms using LC/electrospray ionization quadrupole time-of-flight MS in the positive mode. Their formation involves the hydroxyl radical, and their concentrations increased with irradiation time. Collision-induced dissociation tandem mass spectrometry associated with the accurate mass measurements was efficiently used for the elucidation of their chemical structures. None of these identified degradation products has been already reported in the literature. Three by-products result from the hydroxylation at the pyrimidine moiety as well as at the aromatic part, two of them arise from the scission of the pyrimidine group, and finally, three of them come from the scission of the sulfamide bridge. This points the evidence of studying the fate of these degradation products if their toxicity is demonstrated because they are clearly the result of the reaction of hydroxyl radical with the antibiotic sulfamethazine.
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Affiliation(s)
- S Rafqah
- Equipe de Chimie Analytique et Environnement (ECAE), Département de Chimie, Faculté Polydisciplinaire de Safi, Université Cadi Ayyad, Marrakesh, Morocco
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