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Zhou J, Yun X, Wang J, Li Q, Wang Y, Zhang W, Fan Z. Biological toxicity of sulfamethoxazole in aquatic ecosystem on adult zebrafish (Danio rerio). Sci Rep 2024; 14:9401. [PMID: 38658643 PMCID: PMC11043448 DOI: 10.1038/s41598-024-59971-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Accepted: 04/17/2024] [Indexed: 04/26/2024] Open
Abstract
This study evaluated the impacts of sulfamethoxazole (SMX) on antioxidant, immune, histopathological dynamic changes, and gut microbiota of zebrafish. SMX was carried out five groups: 0 (C), 3 mg/L (T3), 6 mg/L (T6), 12 mg/L (T12), and 24 mg/L (T24), with 5 replicates per group for an 8-weeks chronic toxicity test. It was found that SMX is considered to have low toxicity to adult zebrafish. SMX with the concentration not higher than 24 mg/L has no obvious inhibitory effect on the growth of fish. Under different concentrations of SMX stress, oxidative damage and immune system disorder were caused to the liver and gill, with the 12 and 24 mg/L concentration being the most significant. At the same time, it also causes varying degrees of pathological changes in both intestinal and liver tissues. As the concentration of SMX increases, the composition and abundance of the gut microbiota in zebrafish significantly decrease.
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Affiliation(s)
- Jie Zhou
- Lab of Aquatic Animal Nutrition & Environmental Health, Shandong Agricultural University, 61 Dazing Street, Tai'an, 271018, Shandong, China
| | - Xiao Yun
- Lab of Aquatic Animal Nutrition & Environmental Health, Shandong Agricultural University, 61 Dazing Street, Tai'an, 271018, Shandong, China
| | - Jiting Wang
- Lab of Aquatic Animal Nutrition & Environmental Health, Shandong Agricultural University, 61 Dazing Street, Tai'an, 271018, Shandong, China.
| | - Qi Li
- Lab of Aquatic Animal Nutrition & Environmental Health, Shandong Agricultural University, 61 Dazing Street, Tai'an, 271018, Shandong, China
| | - Yanli Wang
- Lab of Aquatic Animal Nutrition & Environmental Health, Shandong Agricultural University, 61 Dazing Street, Tai'an, 271018, Shandong, China
| | - Wenjing Zhang
- Lab of Aquatic Animal Nutrition & Environmental Health, Shandong Agricultural University, 61 Dazing Street, Tai'an, 271018, Shandong, China
| | - Zhicheng Fan
- Lab of Aquatic Animal Nutrition & Environmental Health, Shandong Agricultural University, 61 Dazing Street, Tai'an, 271018, Shandong, China
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Li Y, Wei Q, Zhao X, Qi Y, Guo M, Liu W. Degradation of sulfamethazine by microbial electrolysis cell with nickel-cobalt co-modified biocathode. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:16497-16510. [PMID: 38321275 DOI: 10.1007/s11356-024-32313-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/18/2023] [Accepted: 01/29/2024] [Indexed: 02/08/2024]
Abstract
In this study, nickel-cobalt co-modified stainless steel mesh (Ni-Co@SSM) was prepared and used as the biocathode in microbial electrolysis cell (MEC) for sulfamethazine (SMT) degradation. The optimal electrochemical performance of the Ni-Co@SSM was obtained at the electrodeposition time of 600 s, electrodeposition current density of 20 mA cm-2, and nickel-cobalt molar ratio of 1:2. The removal of SMT in MEC with the Ni-Co@SSM biocathode (MEC-Ni-Co@SSM) was 82%, which increased by 30% compared with the conventional anaerobic reactor. Thirteen intermediates were identified and the potential degradation pathways of SMT were proposed. Proteobacteria, Firmicutes, Patescibacteria, Chloroflexi, Bacteroidetes, and Euryarchaeota are the dominant bacteria at the phylum level in the MEC-Ni-Co@SSM, which are responsible for SMT metabolism. Due to the electrical stimulation, there was an increase in the abundance of the metabolic function and the genetic information processing. This work provides valuable insight into utilizing MECs for effective treatment of antibiotic-containing wastewater.
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Affiliation(s)
- Yabin Li
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China
| | - Qian Wei
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China
| | - Xia Zhao
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China.
| | - Yihan Qi
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China
| | - Menghan Guo
- College of Petrochemical Engineering, Lanzhou University of Technology, Lanzhou, 730050, People's Republic of China
| | - Weijing Liu
- Lanzhou Sanmao Industrial LLC, Lanzhou, 730316, People's Republic of China
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Xian Z, Chen Y, Li N, Zhu T. Advances in the synthesis of heteroatom-doped graphene-based materials and their application in sensors, adsorbents and catalysis. Analyst 2023; 148:6201-6222. [PMID: 37921459 DOI: 10.1039/d3an01401k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2023]
Abstract
In recent years, as a new type of carbon material, graphene has attracted much attention owing to its high conductivity, large specific surface area and excellent chemical stability. After introducing heteroatoms into graphene, the physical, chemical and biological properties of doped graphene are significantly enhanced. This review focuses on synthesis methods for N, B, P and S co-doped graphene and graphene-based composites and comprehensively discusses their recent applications in the fields of sensors, adsorbents and catalysis. The challenges and application prospects of heteroatom doped graphene materials are also proposed. This study provides a reference and guidance for the development and application of new doped graphene materials.
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Affiliation(s)
- Ziwei Xian
- College of Pharmaceutical Sciences, Institute of Life Science and Green Development, State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Public Health Safety of Hebei Province, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Hebei University, Baoding, 071002, China.
| | - Yanmei Chen
- College of Pharmaceutical Sciences, Institute of Life Science and Green Development, State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Public Health Safety of Hebei Province, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Hebei University, Baoding, 071002, China.
| | - Na Li
- College of Pharmaceutical Sciences, Institute of Life Science and Green Development, State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Public Health Safety of Hebei Province, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Hebei University, Baoding, 071002, China.
| | - Tao Zhu
- College of Pharmaceutical Sciences, Institute of Life Science and Green Development, State Key Laboratory of New Pharmaceutical Preparations and Excipients, Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of Ministry of Education, Key Laboratory of Public Health Safety of Hebei Province, Key Laboratory of Pharmaceutical Quality Control of Hebei Province, Hebei University, Baoding, 071002, China.
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4
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Li S, Lin Y, Wang G, Zhu S, Liu G, Shi C, Chen L. Comparison of disinfection by-products formed by preoxidation of sulfamethazine by K 2FeO 4 and O 3 and the influence on cytotoxicity and biological toxicity. Front Chem 2022; 10:904867. [PMID: 36059877 PMCID: PMC9437206 DOI: 10.3389/fchem.2022.904867] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Accepted: 07/21/2022] [Indexed: 11/13/2022] Open
Abstract
This study researched the formation of disinfection by-products (DBPs) in sulfamethazine (SMZ) chlorination after preoxidation by K2FeO4 and O3 and the influence of preoxidation on cytotoxicity and biological toxicity. Then, the study emphatically analyzed the influencing factors such as NaClO dosage, pH value, reaction temperature, fulvic acid (FA), and bromide and iodide ions. The results showed that preoxidation by K2FeO4 effectively inhibited the formation of DBPs of haloketones (HKS) and trihalomethanes (THMs), with an average inhibition rate of over 60%. The formation of DBPs after preoxidation by O3 was higher than that by K2FeO4; preoxidation by K2FeO4 reduced the influence of NaClO dosage, temperature, and pH value on the production of DBPs after SMZ chlorination. The cytotoxicity and biological toxicity of SMZ chlorination after preoxidation were evaluated and compared by calculating the LC50 value of DBPs and the luminescent bacteria method. The results of both calculation methods showed that the toxicity of DBPs after preoxidation by K2FeO4 was lower than that by O3 preoxidation. K2FeO4 and O3 preoxidation improved the SMZ removal efficiency by 8.41 and 10.49%, respectively, and inhibited the formation of most DBPs, but the preoxidation promoted the formation of highly toxic DBPs (HANs). The toxicity of DBPs formed in SMZ chlorination after preoxidation by K2FeO4 and O3 was slightly higher than that of chlorination disinfection alone, but it was still within the safe range. This study provides more new details about the formation and toxicity changes of DBPs in the process of SMZ chlorination after preoxidation.
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Affiliation(s)
- Siwen Li
- School of Environment, Northeast Normal University, Changchun, China
- Science and Technology Innovation Center for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun, China
| | - Yingzi Lin
- School of Municipal & Environmental Engineering, Jilin Jianzhu University, Changchun, China
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, Jilin Jianzhu University, Changchun, China
| | - Gaoqi Wang
- School of Municipal & Environmental Engineering, Jilin Jianzhu University, Changchun, China
| | - Suiyi Zhu
- School of Environment, Northeast Normal University, Changchun, China
- Science and Technology Innovation Center for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun, China
| | - Gen Liu
- School of Environment, Northeast Normal University, Changchun, China
- Science and Technology Innovation Center for Municipal Wastewater Treatment and Water Quality Protection, Northeast Normal University, Changchun, China
| | - Chunyan Shi
- School of Municipal & Environmental Engineering, Jilin Jianzhu University, Changchun, China
- The University of Kitakyushu, Kitakyushu, Japan
| | - Lei Chen
- School of Municipal & Environmental Engineering, Jilin Jianzhu University, Changchun, China
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The Removal of Erythromycin and Its Effects on Anaerobic Fermentation. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:ijerph19127256. [PMID: 35742505 PMCID: PMC9223550 DOI: 10.3390/ijerph19127256] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/19/2022] [Revised: 06/10/2022] [Accepted: 06/10/2022] [Indexed: 02/01/2023]
Abstract
In view of the problems of antibiotic pollution, anaerobic fermentation technology was adopted to remove erythromycin in this study. The removal of erythromycin and its effects mechanism on anaerobic fermentation were studied, including biogas performance, process stability, substrate degradability, enzyme activity, and microbial communities. The results showed that the removal rates of erythromycin for all tested concentrations were higher than 90% after fermentation. Erythromycin addition inhibited biogas production. The more erythromycin added, the lower the CH4 content obtained. The high concentration of erythromycin (20 and 40 mg/L) resulted in more remarkable variations of pH values than the control group and 1 mg/L erythromycin added during the fermentation process. Erythromycin inhibited the hydrolysis process in the early stage of anaerobic fermentation. The contents of chemical oxygen demand (COD), NH4+–N, and volatile fatty acids (VFA) of erythromycin added groups were lower than those of the control group. Erythromycin inhibited the degradation of lignocellulose in the late stage of fermentation. Cellulase activity increased first and then decreased during the fermentation and addition of erythromycin delayed the peak of cellulase activity. The inhibitory effect of erythromycin on the activity of coenzyme F420 increased with elevated erythromycin concentrations. The relative abundance of archaea in erythromycin added groups was lower than the control group. The decrease in archaea resulted in the delay of the daily biogas peak. Additionally, the degradation rate of erythromycin was significantly correlated with the cumulative biogas yield, COD, pH, and ORP. This study supports the reutilization of antibiotic-contaminated biowaste and provides references for further research.
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Mavani A, Ovung A, Luikham S, Suresh Kumar G, Das A, Ray D, Aswal VK, Bhattacharyya J. Biophysical and molecular modeling evidences for the binding of sulfa molecules with hemoglobin. J Biomol Struct Dyn 2022; 41:3779-3790. [PMID: 35380096 DOI: 10.1080/07391102.2022.2057358] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
The molecular mechanism of the heme protein, hemoglobin (Hb) interaction with sulfa molecule, sulfadiazine (SDZ) has been investigated through spectroscopic, neutron scattering and molecular modeling techniques. Absorption and emission spectroscopic studies showed that SDZ molecules were bound to Hb protein, non-cooperatively. The binding affinityof SDZ-Hb complex at standard experimental condition was evaluated to be around (4.2 ± 0.07) ×104, M-1with 1:1 stoichiometry. Drug induced structural perturbation of the 3 D protein moiety was confirmed through circular dichroism (CD), synchronous fluorescence and small angle neutron scattering methods. From the temperature dependent spectrofluorometric studies, the negative standard molar Gibbs energy change suggested the spontaneity of the reaction. The negative enthalpy and positive entropy change(s) indicated towards the involvement of both electrostatic and hydrophobic forces during the association process. Salt dependent fluorescence study revealed major contributions from non-poly-electrolytic forces. Molecular modeling studies determined the probable binding sites, types of interaction involved and the conformational alteration of the compactness of the Hb structure upon interaction with SDZ molecule. Overall, the study provides detailed insights into the binding mechanism of SDZ antibiotics to Hb protein.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- A. Mavani
- Department of Chemistry, National Institute of Technology Nagaland, Dimapur, Nagaland, India
| | - Aben Ovung
- Department of Chemistry, National Institute of Technology Nagaland, Dimapur, Nagaland, India
| | - Soching Luikham
- Department of Chemistry, National Institute of Technology Nagaland, Dimapur, Nagaland, India
| | - Gopinatha Suresh Kumar
- Biophysical Chemistry Laboratory, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Abhi Das
- Biophysical Chemistry Laboratory, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Debes Ray
- Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai, India
| | - Vinod K. Aswal
- Solid State Physics Division, Bhabha Atomic Research Centre, Mumbai, India
| | - Jhimli Bhattacharyya
- Department of Chemistry, National Institute of Technology Nagaland, Dimapur, Nagaland, India
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7
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Zheng Y, Wang Y, Zheng M, Wang G, Zhao H. Exposed to Sulfamethoxazole induced hepatic lipid metabolism disorder and intestinal microbiota changes on zebrafish (Danio rerio). Comp Biochem Physiol C Toxicol Pharmacol 2022; 253:109245. [PMID: 34801728 DOI: 10.1016/j.cbpc.2021.109245] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 11/07/2021] [Accepted: 11/14/2021] [Indexed: 11/30/2022]
Abstract
Antibiotics are widely used around the world. Pollution of Sulfamethoxazole (SMX) in water poses a great threat to aquatic life. In this study, the toxic effects of SMX on the liver were assessed through RNA sequencing analysis and 16S rRNA sequencing analysis was conducted to determine the influence of SMX on gut microbiota of zebrafish (Danio rerio). Adult male zebrafish were exposed to 0, 5, 90 and 450 μg/L of environmentally relevant concentrations of SMX for 21 days respectively. The results showed that the liver had severe histopathological damages including pyknotic nuclei, cytoplasmic hyalinization and vacuolization and deformed hepatocytes with loose cell-to-cell contact. Transcriptomic analysis revealed that liver function was seriously affected by SMX exposure. Meanwhile, SMX exposure significantly inhibited the expression of genes associated with fatty acid synthesis, oxidation and transport. Besides, exfoliated and dissolved epithelial cells were observed in the gut after SMX treatment. Although there was no significant change on richness and species diversity of intestinal microbial community, the relative abundance of phylum and genus of SMX treatments were significantly different from that of control group. The present study implied that SMX may cause potential health risks to fish through inducing histopathological damages, genetic expression alterations, disorder of fatty acid metabolism and intestinal microbiota dysbiosis.
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Affiliation(s)
- Ying Zheng
- College of Life Sciences, Shaanxi Normal University, Xi'an 710119, China
| | - Yufei Wang
- AP Center Changzhou Senior High School of Jiangsu Province, Changzhou, China
| | - Mutang Zheng
- AP Center Changzhou Senior High School of Jiangsu Province, Changzhou, China
| | - Gang Wang
- AP Center Changzhou Senior High School of Jiangsu Province, Changzhou, China
| | - Hongfeng Zhao
- College of Life Sciences, Shaanxi Normal University, Xi'an 710119, China.
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Zhao Z, Shi T, Chu Y, Cao Y, Cheng S, Na R, Wang Y. Comparison of the interactions of flupyrimin and nitenpyram with serum albumins via multiple analysis methods. CHEMOSPHERE 2022; 289:133139. [PMID: 34863729 DOI: 10.1016/j.chemosphere.2021.133139] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 11/28/2021] [Accepted: 11/29/2021] [Indexed: 06/13/2023]
Abstract
Flupyrimin and nitenpyram are emerging neonicotinoid insecticides that may cause potential harm to the human body. In the present work, the interactions of flupyrimin/nitenpyram with serum albumins under normal physiological conditions were thoroughly studied by using multiple spectroscopic techniques, DFT calculations and molecular docking. Flupyrimin/nitenpyram can quench the endogenous fluorescence of HSA/BSA and form a complex with HSA/BSA through a static process, causing conformational and secondary structure changes of HSA/BSA. Thermodynamic analysis shows that the combination of flupyrimin/nitenpyram with HSA/BSA is a spontaneous process, mainly driven by hydrogen bonds and hydrophobic forces. Site marking and molecular docking experiments indicated that flupyrimin/nitenpyram binds with HSA/BSA at site II (subdomain IIIA). The binding constant Ka in HSA-flupyrimin, HSA-nitenpyram, BSA-flupyrimin and BSA-nitenpyram systems at 298 K was 2.11 × 105 M-1, 2.35 × 105 M-1, 1.91 × 105 M-1 and 2.11 × 105 M-1, respectively. The binding constant Ka of nitenpyram with HSA/BSA was greater than flupyrimin, indicating that nitenpyram binds HSA/BSA was more stable than that of flupyrimin, which was consistent with the DFT calculation. In addition, the acute toxicity bioassay showed that flupyrimin and nitenpyram exhibited low toxicity to zebrafish, with 96 h LC50 values of 181.662 and 250.658 mg a. i. L-1, respectively. These results can help understand the interactions of flupyrimin/nitenpyram with HSA/BSA.
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Affiliation(s)
- Zongyuan Zhao
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Taozhong Shi
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Ying Chu
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Yingying Cao
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Shuang Cheng
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China
| | - Risong Na
- Collaborative Innovation Center of Henan Grain Crops, National Key Laboratory of Wheat and Maize Crop Science, College of Plant Protection, Henan Agricultural University, Wenhua Road No. 95, Zhengzhou, 450002, China
| | - Yi Wang
- Anhui Provincial Key Laboratory of Quality and Safety of Agricultural Products, College of Resources and Environment, Anhui Agricultural University, Hefei, 230036, China.
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Zhao S, Long Y, Su Y, Wang S, Zhang Z, Zhang X. Cobalt-Enhanced Mass Transfer and Catalytic Production of Sulfate Radicals in MOF-Derived CeO 2 • Co 3 O 4 Nanoflowers for Efficient Degradation of Antibiotics. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2021; 17:e2101393. [PMID: 34160908 DOI: 10.1002/smll.202101393] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/24/2021] [Indexed: 06/13/2023]
Abstract
Antibiotics discharge has been a critical issue as the abuse in clinical disease treatment and aquaculture industry. Advanced oxidation process (AOPs) is regarded as a promising approach to degrade organic pollutants from wastewater, however, the catalysts for AOPs always present low activities, and uncontrollable porosities, thus hindering their further wider applications. In this work, an aliovalent-substitution strategy is employed in metal-organic framework (MOF) precursors assembly, aiming to introduce Co(II/III) into Ce-O clusters which could modify the structure of the clusters, then change the crystallization, enlarge the surface area, and regulate the morphology. The introduction of Co(II/III) also enlarges the pore size for mass transfer and enriches the active sites for the production of sulfate radicals (SO4• - ) in MOF-derived catalysts, leading to excellent performance in antibiotics removal. Significantly, the CeO2 •Co3 O4 nanoflowers could efficiently enhance the generation of sulfate radical SO4• - and promote the norfloxacin removal efficiency to 99% within 20 min. The CeO2 •Co3 O4 nanoflowers also present remarkable universality toward various antibiotics and organic pollutants. The aliovalent-substitution strategy is anticipated to find wide use in the exploration of high-performance MOF-derived catalysts for various applications.
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Affiliation(s)
- Shiyin Zhao
- Faculty of Health Sciences, University of Macau, Macau SAR, 999078, China
| | - Yangke Long
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yiping Su
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Shubin Wang
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Zuotai Zhang
- School of Environmental Science and Engineering, Guangdong Provincial Key Laboratory of Soil and Groundwater Pollution Control, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Xuanjun Zhang
- Faculty of Health Sciences, University of Macau, Macau SAR, 999078, China
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Ovung A, Bhattacharyya J. Sulfonamide drugs: structure, antibacterial property, toxicity, and biophysical interactions. Biophys Rev 2021; 13:259-272. [PMID: 33936318 PMCID: PMC8046889 DOI: 10.1007/s12551-021-00795-9] [Citation(s) in RCA: 130] [Impact Index Per Article: 43.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2020] [Accepted: 03/03/2021] [Indexed: 12/11/2022] Open
Abstract
Sulfonamide (or sulphonamide) functional group chemistry (SN) forms the basis of several groups of drug. In vivo sulfonamides exhibit a range of pharmacological activities, such as anti-carbonic anhydrase and anti-t dihydropteroate synthetase allowing them to play a role in treating a diverse range of disease states such as diuresis, hypoglycemia, thyroiditis, inflammation, and glaucoma. Sulfamethazine (SMZ) is a commonly used sulphonamide drug in veterinary medicine that acts as an antibacterial compound to treat livestock diseases such as gastrointestinal and respiratory tract infections. Sulfadiazine (SDZ) is another frequently employed sulphonamide drug that is used in combination with the anti-malarial drug pyrimethamine to treat toxoplasmosis in warm-blooded animals. This study explores the research findings and the work behaviours of SN (SMZ and SDZ) drugs. The areas covered include SN drug structure, SN drug antibacterial activity, SN drug toxicity, and SN environmental toxicity.
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Affiliation(s)
- Aben Ovung
- Department of Chemistry, National Institute of Technology Nagaland, Chumukedima, Dimapur, 797103 India
| | - Jhimli Bhattacharyya
- Department of Chemistry, National Institute of Technology Nagaland, Chumukedima, Dimapur, 797103 India
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11
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To a Question on the Mechanism of the Antimicrobial Action of Ortho-Benzoic Sulfimide. Pharmaceuticals (Basel) 2020; 13:ph13120461. [PMID: 33322230 PMCID: PMC7763927 DOI: 10.3390/ph13120461] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Revised: 12/09/2020] [Accepted: 12/11/2020] [Indexed: 11/16/2022] Open
Abstract
The article summarizes and compares data on the properties and biological activity of o-benzoic sulfimide and sulfanilamide compounds. Attention is given to the biochemical conditions under which o-benzoic sulfimide and sulfanilamides have similar activity groups. The results of the experimental and theoretical studies aimed at understanding the molecular organization and biological activity of folic acid and its homologous complexes are analyzed. A hypothesis about the possible mechanisms of the formation of such complexes with the participation of o-benzoic sulfimide is presented. The perspectives for the use of o-benzoic sulfimide and its homologues in biomedicine are evaluated.
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12
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Wang C, Fu T, Zhu Q, Yang R, Cao Y, Zhu J. A novel polyethersulfone/modified activated carbon fiber composite membrane: potential for removal micropollutants from water under the electric field. WATER SCIENCE AND TECHNOLOGY : A JOURNAL OF THE INTERNATIONAL ASSOCIATION ON WATER POLLUTION RESEARCH 2020; 82:2234-2249. [PMID: 33339780 DOI: 10.2166/wst.2020.488] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
This study aimed to develop a novel composite membrane based on polyethersulfone (PES) and modified activated carbon fibers (ACFs) to remove of sulfamethoxazole (SMZ) from water. The modification of ACFs was conducted by using acid, Fe, and Mn and was confirmed by Fourier transform infrared spectroscopy (FT-IR), energy dispersive X-ray spectroscopy (EDS), and water contact angle measurement. Later on, the composite membranes were prepared using PES (9 wt%), N-N-dimethylacetamide (DMAc) (75 wt%), polyethylene pyrrolidone (PVP) (5 wt%), anhydrous lithium chloride (LiCl) (1 wt%), and various types of modified ACFs (0.8 wt%) as additives. It was found that the contact angle of the membrane decreased by more than 20°, and the zeta potential decreased by more than 10 mV. ACF modified by Fe was used as an admixture, membrane obtained the high comprehensive performance. Especially bovine serum albumin (BSA) rejection rate and flux recovery ratio (FRR) reached 98.8% and 98.4%, respectively. And the removal rates of SMZ increased by 24.6% under the electric field. The degradation products were detected by high-performance liquid chromatography/mass spectrometry (HPLC/MS). Based on this result, the possible degradation pathways of SMZ are proposed.
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Affiliation(s)
- Cunshi Wang
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China E-mail:
| | - Ting Fu
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China E-mail: ; China Design Group Co. Ltd, Nanjing 210014, China
| | - Qiuzi Zhu
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China E-mail:
| | - Ruihong Yang
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China E-mail: ; Department of Chemical Engineering, Yangzhou Polytechnic Institute, Yangzhou 225127, China
| | - Yanyan Cao
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China E-mail:
| | - Jianzhong Zhu
- Key Laboratory of Integrated Regulation and Resource Development on Shallow Lakes, Ministry of Education, College of Environment, Hohai University, Nanjing 210098, China E-mail:
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Ovung A, Mavani A, Chatterjee S, Das A, Suresh Kumar G, Bhuiya S, Das S, Bhattacharyya J. On the Biophysical Investigation of Sulfamethazine‐Hemoglobin Binding and the Resulting Adverse Effects of Antibiotics. ChemistrySelect 2020. [DOI: 10.1002/slct.202003256] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Aben Ovung
- Department of Chemistry National Institute of Technology Nagaland, Chumukedima, Dimapur Nagalnd 797103 India
| | - A. Mavani
- Department of Chemistry National Institute of Technology Nagaland, Chumukedima, Dimapur Nagalnd 797103 India
| | - Sabyasachi Chatterjee
- Biophysical Chemistry Laboratory CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road Kolkata 700032 India
| | - Abhi Das
- Biophysical Chemistry Laboratory CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road Kolkata 700032 India
| | - Gopinatha Suresh Kumar
- Biophysical Chemistry Laboratory CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road Kolkata 700032 India
| | - Sutanwi Bhuiya
- Department of Chemistry Jadavpur University, Jadavpur Kolkata 700032 India
| | - Suman Das
- Department of Chemistry Jadavpur University, Jadavpur Kolkata 700032 India
| | - Jhimli Bhattacharyya
- Department of Chemistry National Institute of Technology Nagaland, Chumukedima, Dimapur Nagalnd 797103 India
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14
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Liu Y, Wang J, Zhou Z, Zheng X, Zhao L, Yu A. The degradation, biodegradability and toxicity evaluation of sulfamethazine antibiotics by gamma radiation. OPEN CHEM 2020. [DOI: 10.1515/chem-2020-0156] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
AbstractThis study evaluated gamma radiation-enhanced sulfamethazine (SMT) degradation, which belongs to the heterocyclic sulfonamides, in different conditions in aqueous solution. The results showed that gamma irradiation could increase the SMT removal in aqueous solution, and the SMT degradation kinetic follow the modified pseudo-first-order kinetic. The degradation rate was nearly 95% at the absorbed dose of 4 kGy. The removal of total organic carbon (TOC) and total nitrogen (TN) could be also induced. When the radiation dose was 5 kGy, the removal rates were only about 6.8% and 10.5% for TOC and TN, respectively. Some ions including HCOO−, CH3COO− and SO42− released during SMT degradation were studied. The biodegradability and toxicity of intermediate products of the SMT degradation were also proposed in this experiment. The biodegradability of the SMT can be improved by the intermediate products of SMT degradation at the radiation dose of 1, 2 and 5 kGy. Gamma radiation could be used as a pretreatment technology before the biodegradation process of pharmaceutical waste water.
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Affiliation(s)
- Yuankun Liu
- Municipal Engineering Department, College of Civil Engineering and Architecture, Beijing University of Technology, Beijing, 100124, People’s Republic of China
| | - Jianlong Wang
- Laboratory of Environmental Technology, Institute of Nuclear and New Energy Technology (INET), Tsinghua University, Beijing, 100124, People’s Republic of China
| | - Zhiwei Zhou
- Municipal Engineering Department, College of Civil Engineering and Architecture, Beijing University of Technology, Beijing, 100124, People’s Republic of China
| | - Xiaoying Zheng
- Municipal Engineering Department, College of Civil Engineering and Architecture, Beijing University of Technology, Beijing, 100124, People’s Republic of China
| | - Liyuan Zhao
- Municipal Engineering Department, College of Civil Engineering and Architecture, Beijing University of Technology, Beijing, 100124, People’s Republic of China
| | - Aixin Yu
- Municipal Engineering Department, College of Civil Engineering and Architecture, Beijing University of Technology, Beijing, 100124, People’s Republic of China
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15
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Zhou Q, Liu G. Urea-Functionalized MIL-101(Cr)@AC as a New Adsorbent to Remove Sulfacetamide in Wastewater Treatment. Ind Eng Chem Res 2020. [DOI: 10.1021/acs.iecr.0c01037] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Qiqi Zhou
- CAS Key Laboratory of Crust-Mantle Materials and the Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
- State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, The Chinese Academy of Sciences, Xi’an, Shaanxi 710075, China
| | - Guijian Liu
- CAS Key Laboratory of Crust-Mantle Materials and the Environment, School of Earth and Space Sciences, University of Science and Technology of China, Hefei, Anhui 230026, China
- State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, The Chinese Academy of Sciences, Xi’an, Shaanxi 710075, China
- University of Science and Technology of China—City University of Hong Kong Joint Advanced Research Centre, Suzhou, Jiangsu 215123, China
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Wang L, Dong J, Li R, Zhao P, Kong J, Li L. Elucidation of binding mechanism of dibutyl phthalate on bovine serum albumin by spectroscopic analysis and molecular docking method. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 230:118044. [PMID: 31954361 DOI: 10.1016/j.saa.2020.118044] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 01/04/2020] [Accepted: 01/06/2020] [Indexed: 06/10/2023]
Abstract
Dibutyl phthalate has been illegally used in beverages and directly affects the human health. Herein, the interaction occurred between dibutyl phthalate and bovine serum albumin was studied. The experimental results demonstrated that dibutyl phthalate could bind to bovine serum albumin and statically quench the intrinsic fluorescence of this protein. Circular dichroism measurements proved that the binding of dibutyl phthalate would lead to an obvious decrease of α-helix content in the bovine serum albumin. Molecular docking analysis clarified the fluorescence quenching mechanism, size distribution and zeta potential variation, conformational change of BSA, the site marker competitive fluorescence quenching and the interaction mechanism of dibutyl phthalate to bovine serum albumin. This work provided a useful information for the binding of dibutyl phthalate to protein.
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Affiliation(s)
- Lei Wang
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China
| | - Jianfang Dong
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China; Department of Material Science, Shandong Polytechnic Technician College, Liaocheng 252027, China
| | - Rui Li
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China
| | - Peiran Zhao
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China
| | - Jinming Kong
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, 200 Xiaolingwei, Nanjing 210094, China
| | - Lianzhi Li
- School of Chemistry and Chemical Engineering, Liaocheng University, Liaocheng 252059, China.
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17
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de Lyra ACF, Dos Santos Silva AL, Dos Santos ECL, López AMQ, da Silva JCS, Figueiredo IM, Santos JCC. Molecular interaction of sulfonamides and ovalbumin, an allergenic egg protein, exploring biophysical, theoretical and biological studies. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 228:117747. [PMID: 31727521 DOI: 10.1016/j.saa.2019.117747] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 10/27/2019] [Accepted: 11/01/2019] [Indexed: 06/10/2023]
Abstract
Biophysical, theoretical and biological in vitro studies were carried out to evaluate the interaction of the main allergen protein of egg white (ovalbumin, OVA) with sulphonamides (SA): sulphathiazole (S1), sulfaquinoxaline (S2), sulfadimethoxine (S3) and sulfamethazine (S4). The binding constants for the OVA-SA supramolecular complexes ranged from 1.20 to 30.66 × 105 M-1, observing the following order of affinity: S1 > S2 > S4 > S3. The preferential forces in the stabilization of the OVA complexes with S2 and S3 were hydrogen bonds and Van der Waals forces, whereas for OVA-S1 and OVAS4, were electrostatic interactions. Interaction process led to a change in the native structure of the protein, which may potentiate its natural allergenicity. Cations Ca(II), Mg(II) and Fe(III) favor the interaction of OVA with S1 and S2. The theoretical studies performed were consistent with the spectroscopic data. Finally, it was found that the interaction process for sulfonamides evaluated with OVA change the inhibition activity profile these antibiotics against strains of Escherichia coli ATCC 25922 and Bacillus megaterium APFSG3isox, but not the minimal inhibitory concentration values.
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Affiliation(s)
- Ana Carolina Fradique de Lyra
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Campus A. C. Simões, 57072-900 Maceió, Alagoas, Brazil
| | - Amanda L Dos Santos Silva
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Campus A. C. Simões, 57072-900 Maceió, Alagoas, Brazil
| | - Elane Cristina L Dos Santos
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Campus A. C. Simões, 57072-900 Maceió, Alagoas, Brazil
| | - Ana Maria Queijeiro López
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Campus A. C. Simões, 57072-900 Maceió, Alagoas, Brazil
| | - Júlio Cosme S da Silva
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Campus A. C. Simões, 57072-900 Maceió, Alagoas, Brazil
| | - Isis Martins Figueiredo
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Campus A. C. Simões, 57072-900 Maceió, Alagoas, Brazil
| | - Josué Carinhanha Caldas Santos
- Institute of Chemistry and Biotechnology, Federal University of Alagoas, Campus A. C. Simões, 57072-900 Maceió, Alagoas, Brazil.
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18
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A novel synthesis method of mesoporous carbon loaded with Fe3O4 composite for effective adsorption and degradation of sulfamethazine. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2019.112096] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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19
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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] [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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20
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Wang Z, Hu S, Zhang G, Liu J, Xia J, Peng J, Lai W. Aggregation-induced emission-based competitive lateral flow immunoassay for rapid detection of sulfamethazine in honey. FOOD AGR IMMUNOL 2019. [DOI: 10.1080/09540105.2019.1689929] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Affiliation(s)
- Zexiang Wang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, People’s Republic of China
| | - Song Hu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, People’s Republic of China
| | - Ganggang Zhang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, People’s Republic of China
| | - Jintao Liu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, People’s Republic of China
| | - Jun Xia
- Jiangxi Institute of Veterinary Drug and Feedstuff Control, Nanchang, People’s Republic of China
| | - Juan Peng
- School of Food Science and Technology, Nanchang University, Nanchang, People’s Republic of China
| | - Weihua Lai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, People’s Republic of China
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21
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Wang L, Wu X, Yang Y, Liu X, Zhu M, Fan S, Wang Z, Xue J, Hua R, Wang Y, Li QX. Multi-spectroscopic measurements, molecular modeling and density functional theory calculations for interactions of 2,7-dibromocarbazole and 3,6-dibromocarbazole with serum albumin. THE SCIENCE OF THE TOTAL ENVIRONMENT 2019; 686:1039-1048. [PMID: 31200302 DOI: 10.1016/j.scitotenv.2019.06.001] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 05/27/2019] [Accepted: 06/01/2019] [Indexed: 06/09/2023]
Abstract
2,7-Dibromocarbazole (2,7-DBCB) and 3,6-dibromocarbazole (3,6-DBCB) are emerging environmental pollutants, being potentially high risks to human health. In this study, interactions of the two compounds with human serum albumin (HSA) and bovine serum albumin (BSA) were investigated by molecular modeling, density functional theory calculations (DFT) and multispectral techniques. The static quenching interaction deduced in the fluorescence quenching experiment is confirmed by the time-resolved analyses. The interactions of the two compounds with HSA/BSA induce molecular microenvironment and conformation changes, as assessed by synchronous and 3D fluorescence spectra, together with a destruction of polypeptide carbonyl hydrogen bond network by circular dichroism and Fourier transform infrared analyses. The thermodynamic analysis indicated that the spontaneous interaction was hydrogen bonding and hydrophobic forces. The binding constant Ka at 298 K was 3.54 × 105 M-1 in HSA-2,7-DBCB, 6.63 × 105 M-1 in HSA-3,6-DBCB, 1.32 × 105 M-1 in BSA-2,7-DBCB and 2.17 × 105 M-1 in BSA-3,6-DBCB. These results indicates that 3,6-DBCB binds HSA/BSA more strongly than 2,7-DBCB, which was estimated with DFT calculations. Site marker competition experiments coupled with molecular modeling studies confirmed that both compounds bind HSA/BSA at site I (subdomain IIA). The results suggest that interactions between 2,7-DBCB and 3,6-DBCB with HSA and BSA may affect the normal physiological activities in human and animals.
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Affiliation(s)
- Lijun Wang
- Key Laboratory of Agri-food Safety of Anhui Province, College of Resources and Environment, Anhui Agricultural University, No, 130 Changjiang West Road, Hefei 230036, China
| | - Xiaoqin Wu
- Key Laboratory of Agri-food Safety of Anhui Province, College of Resources and Environment, Anhui Agricultural University, No, 130 Changjiang West Road, Hefei 230036, China
| | - Yanan Yang
- Key Laboratory of Agri-food Safety of Anhui Province, College of Resources and Environment, Anhui Agricultural University, No, 130 Changjiang West Road, Hefei 230036, China
| | - Xina Liu
- Key Laboratory of Agri-food Safety of Anhui Province, College of Resources and Environment, Anhui Agricultural University, No, 130 Changjiang West Road, Hefei 230036, China
| | - Meiqing Zhu
- Key Laboratory of Agri-food Safety of Anhui Province, College of Resources and Environment, Anhui Agricultural University, No, 130 Changjiang West Road, Hefei 230036, China
| | - Shisuo Fan
- Key Laboratory of Agri-food Safety of Anhui Province, College of Resources and Environment, Anhui Agricultural University, No, 130 Changjiang West Road, Hefei 230036, China
| | - Zhen Wang
- Key Laboratory of Agri-food Safety of Anhui Province, College of Resources and Environment, Anhui Agricultural University, No, 130 Changjiang West Road, Hefei 230036, China
| | - Jiaying Xue
- Key Laboratory of Agri-food Safety of Anhui Province, College of Resources and Environment, Anhui Agricultural University, No, 130 Changjiang West Road, Hefei 230036, China
| | - Rimao Hua
- Key Laboratory of Agri-food Safety of Anhui Province, College of Resources and Environment, Anhui Agricultural University, No, 130 Changjiang West Road, Hefei 230036, China
| | - Yi Wang
- Key Laboratory of Agri-food Safety of Anhui Province, College of Resources and Environment, Anhui Agricultural University, No, 130 Changjiang West Road, Hefei 230036, China.
| | - Qing X Li
- Department of Molecular Biosciences and Bioengineering, University of Hawaii at Manoa, 1955 East-West Road, Honolulu, HI 96822, USA
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Fang B, Hu S, Wang C, Yuan M, Huang Z, Xing K, Liu D, Peng J, Lai W. Lateral flow immunoassays combining enrichment and colorimetry-fluorescence quantitative detection of sulfamethazine in milk based on trifunctional magnetic nanobeads. Food Control 2019. [DOI: 10.1016/j.foodcont.2018.11.039] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Yang Y, Shi J, Yang Y, Yin J, Zhang J, Shao B. Transformation of sulfamethazine during the chlorination disinfection process: Transformation, kinetics, and toxicology assessment. J Environ Sci (China) 2019; 76:48-56. [PMID: 30528034 DOI: 10.1016/j.jes.2018.03.024] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2017] [Revised: 03/20/2018] [Accepted: 03/21/2018] [Indexed: 06/09/2023]
Abstract
Various disinfection byproducts (DBPs) form during the process of chlorination disinfection, posing potential threats to drinking water safety and human health. Sulfamethazine (SMT), the most commonly used and frequently detected veterinary antibiotic, was investigated in detail with regard to its transformation and kinetics in reactions with free available chlorine (FAC). Using liquid chromatography coupled to quadrupole time-of-flight tandem mass spectrometry, several DBPs were identified based on different confidence levels, and a variety of reaction types, including desulfonation, S-N cleavage, hydroxylation, and chlorine substitution, were proposed. The kinetic experiments indicated that the reaction rate was FAC- and pH-dependent, and SMT exhibits low reactivity toward FAC in alkaline conditions. The DBPs exhibited a much higher acute toxicity than SMT, as estimated by quantitative structure activity relationship models. More importantly, we observed that the FAC-treated SMT reaction solution might increase the genotoxic potential due to the generation of DBPs. This investigation provides substantial new details related to the transformation of SMT in the chlorination disinfection process.
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Affiliation(s)
- Yunjia Yang
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, China; Beijing Research Center for Preventive Medicine, Beijing 100013, China
| | - Jiachen Shi
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, China; Beijing Research Center for Preventive Medicine, Beijing 100013, China
| | - Yi Yang
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, China; Beijing Research Center for Preventive Medicine, Beijing 100013, China
| | - Jie Yin
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, China; Beijing Research Center for Preventive Medicine, Beijing 100013, China
| | - Jing Zhang
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, China; Beijing Research Center for Preventive Medicine, Beijing 100013, China
| | - Bing Shao
- Beijing Key Laboratory of Diagnostic and Traceability Technologies for Food Poisoning, Beijing Center for Disease Prevention and Control, Beijing 100013, China; Beijing Research Center for Preventive Medicine, Beijing 100013, China.
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Ledjeri A, Yahiaoui I, Kadji H, Aissani-Benissad F, Amrane A, Fourcade F. Combination of the Electro/Fe 3+/peroxydisulfate (PDS) process with activated sludge culture for the degradation of sulfamethazine. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2017; 53:34-39. [PMID: 28501782 DOI: 10.1016/j.etap.2017.04.022] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2017] [Revised: 04/28/2017] [Accepted: 04/29/2017] [Indexed: 06/07/2023]
Abstract
In this paper, the major factors affecting the degradation and the mineralization of sulfamethazine by Electro/Fe3+/peroxydisulfate (PDS) process (e.g. current density, PDS concentration, Fe3+ ions concentration and initial sulfamethazine (SMT) concentration) were evaluated. The relevance of this process as a pretreatment prior to activated sludge culture was also examined. Regarding the impact on SMT degradation and mineralization, the obtained results showed that they were significantly enhanced by increasing the current density and the PDS concentrations in the ranges 1-40mAcm-2 and from 1 to 10mM respectively; while they were negatively impacted by an increase of the initial SMT concentration and the Fe3+ concentration, from 0.18 to 0.36mM and from 1 to 4mM respectively. The optimal operating conditions were therefore 40mAcm-2 current density, 10mM PDS concentrations, 1mM Fe3+, and 0.18mM SMT. Indeed, under these conditions the degradation of SMT and its mineralization yield were 100% and 83% within 20min and 180min respectively. To ensure a significant residual organic content for activated sludge culture after Electro/Fe3+/PDS pre-treatment, the biodegradability test and the biological treatment were performed on a solution electrolyzed at 40mAcm-2, 10mM PDS concentrations, 1mM Fe3+, and 0.36mM SMT. Under these conditions the BOD5/COD ratio increased from 0.07 to 0.41 within 6h of electrolysis time. The subsequent biological treatment increased the mineralization yield to 86% after 30days, confirming the relevance of the proposed combined process.
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Affiliation(s)
- Amina Ledjeri
- Laboratoire de Génie de l'Environnement (LGE), Faculté de Technologie, Université de Bejaia, 06000, Bejaia, Algeria.
| | - Idris Yahiaoui
- Laboratoire de Génie de l'Environnement (LGE), Faculté de Technologie, Université de Bejaia, 06000, Bejaia, Algeria
| | - Hakima Kadji
- Laboratoire de Génie de l'Environnement (LGE), Faculté de Technologie, Université de Bejaia, 06000, Bejaia, Algeria
| | - Farida Aissani-Benissad
- Laboratoire de Génie de l'Environnement (LGE), Faculté de Technologie, Université de Bejaia, 06000, Bejaia, Algeria
| | - Abdeltif Amrane
- Ecole Nationale Supérieure de Chimie de Rennes, Université Rennes1, CNRS, UMR 6226, Avenue du Général Leclerc, CS 50837, 35708 Rennes Cedex 7, France
| | - Florence Fourcade
- Ecole Nationale Supérieure de Chimie de Rennes, Université Rennes1, CNRS, UMR 6226, Avenue du Général Leclerc, CS 50837, 35708 Rennes Cedex 7, France
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25
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Zhou X, Zhang C, Zhang G, Liao Y. Intercalation of the daphnetin–Cu(ii) complex with calf thymus DNA. RSC Adv 2016. [DOI: 10.1039/c5ra22274e] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
The daphnetin–Cu(ii) complex binds to the A–T bases region of ctDNA and causes cleavage of plasmid DNA.
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Affiliation(s)
- Xiaoyue Zhou
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
| | - Cen Zhang
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
| | - Guowen Zhang
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
| | - Yijing Liao
- State Key Laboratory of Food Science and Technology
- Nanchang University
- Nanchang 330047
- China
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26
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Pizzo F, Gadaleta D, Lombardo A, Nicolotti O, Benfenati E. Identification of structural alerts for liver and kidney toxicity using repeated dose toxicity data. Chem Cent J 2015; 9:62. [PMID: 26550029 PMCID: PMC4635184 DOI: 10.1186/s13065-015-0139-7] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Accepted: 10/27/2015] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND The potential for a compound to cause hepatotoxicity and nephrotoxicity is a matter of extreme interest for human health risk assessment. To assess liver and kidney toxicity, repeated-dose toxicity (RDT) studies are conducted mainly on rodents. However, these tests are expensive, time-consuming and require large numbers of animals. For early toxicity screening, in silico models can be applied, reducing the costs, time and animals used. Among in silico approaches, structure-activity relationship (SAR) methods, based on the identification of chemical substructures (structural alerts, SAs) related to a particular activity (toxicity), are widely employed. RESULTS We identified and evaluated some SAs related to liver and kidney toxicity, using RDT data on rats taken from the hazard evaluation support system (HESS) database. We considered only SAs that gave the best percentages of true positives (TP). CONCLUSIONS It was not possible to assign an unambiguous mode of action for all the SAs, but a mechanistic explanation is provided for some of them. Such achievements may help in the early identification of liver and renal toxicity of substances.
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Affiliation(s)
- Fabiola Pizzo
- />Laboratory of Environmental Chemistry and Toxicology, IRCCS-Istituto di Ricerche Farmacologiche “Mario Negri”, Via La Masa 19, 20159 Milan, Italy
| | - Domenico Gadaleta
- />Laboratory of Environmental Chemistry and Toxicology, IRCCS-Istituto di Ricerche Farmacologiche “Mario Negri”, Via La Masa 19, 20159 Milan, Italy
- />Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari “Aldo Moro”, Bari, Italy
| | - Anna Lombardo
- />Laboratory of Environmental Chemistry and Toxicology, IRCCS-Istituto di Ricerche Farmacologiche “Mario Negri”, Via La Masa 19, 20159 Milan, Italy
| | - Orazio Nicolotti
- />Dipartimento di Farmacia-Scienze del Farmaco, Università degli Studi di Bari “Aldo Moro”, Bari, Italy
| | - Emilio Benfenati
- />Laboratory of Environmental Chemistry and Toxicology, IRCCS-Istituto di Ricerche Farmacologiche “Mario Negri”, Via La Masa 19, 20159 Milan, Italy
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27
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Wang Q, Min S, Liu Z, Zhang S. Molecular modeling and multi-spectroscopic approaches to study the interaction between antibacterial drug and human immunoglobulin G. LUMINESCENCE 2015; 31:704-11. [PMID: 26359789 DOI: 10.1002/bio.3014] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Revised: 07/20/2015] [Accepted: 07/24/2015] [Indexed: 11/07/2022]
Abstract
Mechanistic and conformational studies on the interaction of sulfamethoxazole (SMX) with human immunoglobulin G (HIgG) were performed by molecular modeling and multi-spectroscopic methods. The interaction mechanism was firstly predicted through molecular modeling that confirmed the interaction between SMX and HIgG. The binding parameters and thermodynamic parameters at different temperatures had been calculated according to the Stern-Volmer, Scatchard, Sips and Van 't Hoff equations, respectively. Experimental results showed that the fluorescence intensity of HIgG was quenched by the gradual addition of SMX. The binding constants of SMX with HIgG decreased with the increase of temperature, which meant that the quenching mechanism was a static quenching. Meanwhile, the results also confirmed that there was one independent class of binding site on HIgG for SMX during their interaction. The thermodynamic parameters of the reaction, namely standard enthalpy ΔH(0) and entropy ΔS(0), had been calculated to be -14.69 kJ·mol(-1) and 22.99 J·mol(-1) ·K(-1), respectively, which suggested that the electrostatic and hydrophobic interactions were the predominant intermolecular forces in stabilizing the SMX-HIgG complex. Furthermore, experimental results obtained from three-dimensional fluorescence spectroscopy, UV-vis absorption spectroscopy and circular dichroism (CD) spectroscopy confirmed that the conformational structure of HIgG was altered in the presence of SMX.
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Affiliation(s)
- Qin Wang
- School of Chemistry and Environment Science, Shaanxi University of Technology, Hanzhong, Shaanxi, 723000, China
| | - Suotian Min
- School of Chemistry and Environment Science, Shaanxi University of Technology, Hanzhong, Shaanxi, 723000, China
| | - Zhifeng Liu
- School of Chemistry and Environment Science, Shaanxi University of Technology, Hanzhong, Shaanxi, 723000, China
| | - Shengrui Zhang
- School of Chemistry and Environment Science, Shaanxi University of Technology, Hanzhong, Shaanxi, 723000, China
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28
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Wang Y, Zhang G, Wang L. Potential toxicity of phthalic acid esters plasticizer: interaction of dimethyl phthalate with trypsin in vitro. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:75-84. [PMID: 25496445 DOI: 10.1021/jf5046359] [Citation(s) in RCA: 53] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/19/2023]
Abstract
Dimethyl phthalate (DMP) is widely used as a plasticizer in industrial processes and has been reported to possess potential toxicity to the human body. In this study, the interaction between DMP and trypsin in vitro was investigated. The results of fluorescence, UV–vis, circular dichroism, and Fourier transform infrared spectra along with cyclic voltammetric measurements indicated that the remarkable fluorescence quenching and conformational changes of trypsin resulted from the formation of a DMP–trypsin complex, which was driven mainly by hydrophobic interactions. The molecular docking and trypsin activity assay showed that DMP primarily interacted with the catalytic triad of trypsin and led to the inhibition of trypsin activity. The dimensions of the individual trypsin molecules were found to become larger after binding with DMP by atomic force microscopy imaging. This study offers a comprehensive picture of DMP–trypsin interaction, which is expected to provide insights into the toxicological effect of DMP.
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29
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Wang Q, Ge H, Liu C, Zhang S, Tian G. Mechanistic and conformational studies on the interaction of sulfamethazine with human immunoglobulin G by molecular modeling and multi-spectroscopic approachin vitro. LUMINESCENCE 2014; 30:798-804. [DOI: 10.1002/bio.2822] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Revised: 09/21/2014] [Accepted: 10/21/2014] [Indexed: 01/07/2023]
Affiliation(s)
- Qin Wang
- School of Chemistry and Environment Science; Shaanxi University of Technology; Hanzhong Shaanxi 723000 China
| | - Hongguang Ge
- School of Chemistry and Environment Science; Shaanxi University of Technology; Hanzhong Shaanxi 723000 China
| | - Cunfang Liu
- School of Chemistry and Environment Science; Shaanxi University of Technology; Hanzhong Shaanxi 723000 China
| | - Shengrui Zhang
- School of Chemistry and Environment Science; Shaanxi University of Technology; Hanzhong Shaanxi 723000 China
| | - Guanghui Tian
- School of Chemistry and Environment Science; Shaanxi University of Technology; Hanzhong Shaanxi 723000 China
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30
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Domínguez-Vega E, Pérez-Fernández V, Crego AL, García MÁ, Marina ML. Recent advances in CE analysis of antibiotics and its use as chiral selectors. Electrophoresis 2014; 35:28-49. [PMID: 24395661 DOI: 10.1002/elps.201300347] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2013] [Revised: 10/06/2013] [Accepted: 10/06/2013] [Indexed: 12/24/2022]
Abstract
Antibiotics are a class of therapeutic molecules widely employed in both human and veterinary medicine. This article reviews the most recent advances in the analysis of antibiotics by CE in pharmaceutical, environmental, food, and biomedical fields. Emphasis is placed on the strategies to increase sensitivity as diverse off-line, in-line, and on-line preconcentration approaches and the use of different detection systems. The use of CE in the microchip format for the analysis of antibiotics is also reviewed in this article. Moreover, since the use of antibiotics as chiral selectors in CE has grown in the last years, a new section devoted to this aspect has been included. This review constitutes an update of previous published reviews and covers the literature published from June 2011 until June 2013.
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Affiliation(s)
- Elena Domínguez-Vega
- Department of Biomolecular Analysis, Faculty of Sciences, Utrecht University, Utrecht, The Netherlands
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31
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Tadi KK, Motghare RV, Ganesh V. Electrochemical Detection of Sulfanilamide Using Pencil Graphite Electrode Based on Molecular Imprinting Technology. ELECTROANAL 2014. [DOI: 10.1002/elan.201400251] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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32
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Dong S, Li Z, Shi L, Huang G, Chen S, Huang T. The interaction of plant-growth regulators with serum albumin: Molecular modeling and spectroscopic methods. Food Chem Toxicol 2014; 67:123-30. [DOI: 10.1016/j.fct.2014.02.020] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2013] [Revised: 12/21/2013] [Accepted: 02/18/2014] [Indexed: 01/03/2023]
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33
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Wang Q, Zhang SR, Ji X. Investigation of interaction of antibacterial drug sulfamethoxazole with human serum albumin by molecular modeling and multi-spectroscopic method. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2014; 124:84-90. [PMID: 24463244 DOI: 10.1016/j.saa.2013.12.100] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Revised: 12/20/2013] [Accepted: 12/23/2013] [Indexed: 06/03/2023]
Abstract
Interaction of sulfamethoxazole (SMX) with human serum albumin (HSA) was investigated by molecular modeling and multi-spectroscopic methods under physiological conditions. The interaction mechanism was firstly predicted through molecular modeling that confirmed the interaction between SMX and HSA. The binding parameters and the thermodynamic parameters at different temperatures for the reaction had been calculated according to the Stern-Volmer, Hill, Scatchard and the Van't Hoff equations, respectively. One independent class of binding site existed during the interaction between HSA and SMX. The binding constants decreased with the increasing temperatures, which meant that the quenching mechanism was a static quenching. The thermodynamic parameters of the reaction, namely standard enthalpy ΔH(0) and entropy ΔS(0), had been calculated to be -16.40 kJ mol(-1) and 32.33 J mol(-1) K(-1), respectively, which suggested that the binding process was exothermic, enthalpy driven and spontaneous. SMX bound to HSA was mainly based on electrostatic interaction, but hydrophobic interactions and hydrogen bonds could not be excluded from the binding. The conformational changes of HSA in the presence of SMX were confirmed by the three-dimensional fluorescence spectroscopy, UV-vis absorption spectroscopy and circular dichroism (CD) spectroscopy. CD data suggested that the protein conformation was altered with the reduction of α-helices from 55.37% to 41.97% at molar ratio of SMX/HSA of 4:1.
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Affiliation(s)
- Qin Wang
- School of Chemistry and Environment Science, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China.
| | - Sheng-Rui Zhang
- School of Chemistry and Environment Science, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China.
| | - Xiaohui Ji
- School of Chemistry and Environment Science, Shaanxi University of Technology, Hanzhong, Shaanxi 723000, China
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34
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Li X, Xie Y, Wang J, Christakos G, Si J, Zhao H, Ding Y, Li J. Influence of planting patterns on fluoroquinolone residues in the soil of an intensive vegetable cultivation area in northern China. THE SCIENCE OF THE TOTAL ENVIRONMENT 2013; 458-460:63-69. [PMID: 23644280 DOI: 10.1016/j.scitotenv.2013.04.002] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2012] [Revised: 04/02/2013] [Accepted: 04/02/2013] [Indexed: 06/02/2023]
Abstract
Recent studies have demonstrated the persistence of antibiotics in soil, especially in areas of vegetable cultivation. However, there are very few studies of the influence of planting regimes on the levels of antibiotic pollution. This work introduces geographical-detector models to investigate the relationship between planting patterns (vegetable planting model, manure type and quantity, planting age, greenhouse area, and topographic elevation) and residual fluoroquinolones (FQs) in soil in a pilot project in Shouguang County, Shandong Province (the largest vegetable-producing area in China). The results led to the following findings. 1. The vegetable planting model is the major determinant of the spatial stratification of FQ in the soil. For example, the "cucumber-cucumber" model (growing cucumbers after cucumbers) has a three-fold power of determinant compared to the "pepper-melon" model (growing melons after peppers). 2. Planting age (years with continuous vegetable cultivation) does not necessarily affect the spatial distribution of FQ owing to their relatively short degradation period. 3. Interactions between risk factors were more significant than the individual factors for FQ pollution. In particular, the interaction between the vegetable planting model and amount of manure resulted in the highest pollution level. The findings of the present study make it possible to introduce effective and practical measures to alleviate pollution of soils by FQ in the study area. Adjustment of the vegetable cultivation models and application of chicken manure (less than 6 kg/m(2) manure annually with a more dry than fresh manure) could be an effective and flexible approach to alleviate FQ pollution.
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Affiliation(s)
- Xuewen Li
- Department of Environment and Health, School of Public Health, Shandong University, Jinan 250012, China
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