1
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Yang Z, Chen G, Ma C, Gu J, Zhu C, Li L, Gao H. Magnetic Fe 3O 4@COF@Ag SERS substrate combined with machine learning algorithms for detection of three quinolone antibiotics: Ciprofloxacin, norfloxacin and levofloxacin. Talanta 2023; 263:124725. [PMID: 37270860 DOI: 10.1016/j.talanta.2023.124725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Revised: 05/16/2023] [Accepted: 05/22/2023] [Indexed: 06/06/2023]
Abstract
Quinolone antibiotics have good antibacterial properties and are commonly used antibiotics in the dairy industry. Currently, the problem of excessive antibiotics in dairy products is very serious. As an ultra-sensitive detection technology, Surface-Enhanced Raman Scattering (SERS) was applied to the detection of quinolone antibiotics in this work. In order to classify and quantify three antibiotics (Ciprofloxacin, Norfloxacin, Levofloxacin) with highly similar molecular structures, a combination of magnetic COF-based SERS substrate and machine learning algorithms (PCA-k-NN, PCA-SVM, PCA-Decision Tree) was used. The classification accuracy of the spectral dataset could reach 100% and the results of LOD calculation were: CIP: 5.61 × 10-9M, LEV: 1.44 × 10-8M, NFX: 1.56 × 10-8M. This provides a new method for the detection of antibiotics in dairy products.
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Affiliation(s)
- Zichen Yang
- School of Science, Jiangnan University, Wuxi, China; School of Internet of Things Engineering, Jiangnan University, Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, China
| | - Guoqing Chen
- School of Science, Jiangnan University, Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, China.
| | - Chaoqun Ma
- School of Science, Jiangnan University, Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, China
| | - Jiao Gu
- School of Science, Jiangnan University, Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, China
| | - Chun Zhu
- School of Science, Jiangnan University, Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, China
| | - Lei Li
- School of Science, Jiangnan University, Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, China
| | - Hui Gao
- School of Science, Jiangnan University, Wuxi, China; Jiangsu Provincial Research Center of Light Industrial Optoelectronic Engineering and Technology, Wuxi, China
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2
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Association of Keplerate-Type Polyoxometalate {Mo72Fe30} with Tetracycline: Nature of Binding Sites and Antimicrobial Action. INORGANICS 2022. [DOI: 10.3390/inorganics11010009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
The association process between the tetracycline (TC) antibiotic molecule and Keplerate-type nanocluster polyoxometalate (POM) {Mo72Fe30} was studied in aqueous solution. The novel supramolecular ensemble {Mo72Fe30}@TC12.5 was produced, its composition and structure were revealed by means of elemental analysis (C, N, H) and vibrational spectroscopy (IR and Raman). Based on the spectral data, the POM structure’s integrity was confirmed and binding sites of TC with the Keplerate {Mo72Fe30} surface were found. Due to thermogravimetric analysis (TG) and in-situ Raman spectroscopy during the process of {Mo72Fe30}@TC12.5 thermal destruction, we showed a significant change in the phase composition of POM’s destruction products after association with TC. The antibacterial activity of the obtained complex {Mo72Fe30}@TC12.5 was examined. The experimental results allowed us to note the partial inhibition of TC’s antibacterial activity owing to the coordination of TC to FeIII centers, in turn, which hinders the participation of TC in coordination via Mg2+ of ribosomal subunits 30S in bacteria.
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3
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Gherman AMR, Dina NE, Chiș V. Cheminformatics Study on Structural and Bactericidal Activity of Latest Generation β-Lactams on Widespread Pathogens. Int J Mol Sci 2022; 23:ijms232012685. [PMID: 36293563 PMCID: PMC9604271 DOI: 10.3390/ijms232012685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/19/2022] [Accepted: 10/19/2022] [Indexed: 01/24/2023] Open
Abstract
Raman spectra of oxacillin (OXN), carbenicillin (CBC), and azlocillin (AZL) are reported for the first time together with their full assignment of the normal modes, as calculated using Density Functional Theory (DFT) methods with the B3LYP exchange-correlation functional coupled to the 6-31G(d) and 6-311+G(2d,p) basis sets. Molecular docking studies were performed on five penicillins, including OXN, CBC, and AZL. Subsequently, their chemical reactivity and correlated efficiency towards specific pathogenic strains were revealed by combining frontier molecular orbital (FMO) data with molecular electrostatic potential (MEP) surfaces. Their bactericidal activity was tested and confirmed on a couple of species, both Gram-positive and Gram-negative, by using the disk diffusion method. Additionally, a surface-enhanced Raman spectroscopy (SERS)-principal component analysis (PCA)-based resistogram of A. hydrophila is proposed as a clinically relevant insight resulting from the synergistic cheminformatics and vibrational study on CBC and AZL.
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Affiliation(s)
- Ana Maria Raluca Gherman
- Department of Molecular and Biomolecular Physics, National Institute for R&D of Isotopic and Molecular Technologies, Donat 67-103, 400293 Cluj-Napoca, Romania
- Faculty of Physics, Babeș-Bolyai University, Kogălniceanu 1, 400084 Cluj-Napoca, Romania
| | - Nicoleta Elena Dina
- Department of Molecular and Biomolecular Physics, National Institute for R&D of Isotopic and Molecular Technologies, Donat 67-103, 400293 Cluj-Napoca, Romania
- Correspondence: ; Tel.: +40-264-58-40-37
| | - Vasile Chiș
- Faculty of Physics, Babeș-Bolyai University, Kogălniceanu 1, 400084 Cluj-Napoca, Romania
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4
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The Role of Surface Enhanced Raman Scattering for Therapeutic Drug Monitoring of Antimicrobial Agents. CHEMOSENSORS 2022. [DOI: 10.3390/chemosensors10040128] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The rapid quantification of antimicrobial agents is important for therapeutic drug monitoring (TDM), enabling personalized dosing schemes in critically ill patients. Highly sophisticated TDM technology is becoming available, but its implementation in hospitals is still limited. Among the various proposed techniques, surface-enhanced Raman scattering (SERS) stands out as one of the more interesting due to its extremely high sensitivity, rapidity, and fingerprinting capabilities. Here, we present a comprehensive review of various SERS-based novel approaches applied for direct and indirect detection and quantification of antibiotic, antifungal, and antituberculosis drugs in different matrices, particularly focusing on the challenges for successful exploitation of this technique in the development of assays for point-of-care tests.
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Zhang C, Li X, Li F, Li G, Niu G, Chen H, Ying GG, Huang M. Accurate prediction and further dissection of neonicotinoid elimination in the water treatment by CTS@AgBC using multihead attention-based convolutional neural network combined with the time-dependent Cox regression model. JOURNAL OF HAZARDOUS MATERIALS 2022; 423:127029. [PMID: 34479086 DOI: 10.1016/j.jhazmat.2021.127029] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 08/17/2021] [Accepted: 08/23/2021] [Indexed: 06/13/2023]
Abstract
Imidacloprid (IMI), as the most widely used neonicotinoid insecticide, poses a serious threat to the water ecosystem due to the inefficient elimination in the traditional water treatment. Chitosan (CTS)-stabilized biochar (BC)-supported Ag nanoparticles (CTS@AgBC) are applied to eliminate the IMI in the water treatment effectively. Batch experiments depict that the modification of BC by CTS and Ag nanoparticles remarkably improve its adsorption performance. The pseudo-second-order and Elovich models have good performance in simulating the adsorption processes of CTS@AgBC and BC. This indicates that the chemical adsorption on real surfaces plays the dominant role in the adsorption of IMI by CTS@AgBC and BC. In addition, the multihead attention (MHA)-based convolutional neural network (CNN) combined with the time-dependent Cox regression model are initially applied to predict and dissect the adsorption elimination processes of IMI by CTS@AgBC. The proposed MHA-CNN model achieves more accurate concentration prediction of IMI than traditional models. According to influence weights by MHA module, biochar category, pH, and treatment temperature are considered the three dominant environmental variables to determine the IMI elimination processes. This study provides insights into roles of environmental variables in the elimination of IMI by CTS@AgBC and the accurate prediction of IMI concentration.
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Affiliation(s)
- Chao Zhang
- School of Civil Engineering & Transportation, South China University of Technology, Guangzhou 510640, PR China
| | - Xiaoyong Li
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, School of Environment, South China Normal University, Guangzhou 510006, PR China
| | - Feng Li
- School of Civil Engineering & Transportation, South China University of Technology, Guangzhou 510640, PR China.
| | - Gugong Li
- School of Civil Engineering & Transportation, South China University of Technology, Guangzhou 510640, PR China
| | - Guoqiang Niu
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, School of Environment, South China Normal University, Guangzhou 510006, PR China
| | - Hongyu Chen
- School of Civil Engineering & Transportation, South China University of Technology, Guangzhou 510640, PR China
| | - Guang-Guo Ying
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, School of Environment, South China Normal University, Guangzhou 510006, PR China
| | - Mingzhi Huang
- SCNU Environmental Research Institute, Guangdong Provincial Key Laboratory of Chemical Pollution and Environmental Safety & MOE Key Laboratory of Theoretical Chemistry of Environment, School of Environment, South China Normal University, Guangzhou 510006, PR China; School of Resources and Environmental Sciences, Quanzhou Normal University, Quanzhou, Fujian 362000, PR China; SCNU Qingyuan Institute of Science and Technology Innovation Co, Ltd, Qingyuan 511517, China.
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6
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Liang JF, Peng C, Li P, Ye QX, Wang Y, Yi YT, Yao ZS, Chen GY, Zhang BB, Lin JJ, Luo Q, Chen X. A Review of Detection of Antibiotic Residues in Food by Surface-Enhanced Raman Spectroscopy. Bioinorg Chem Appl 2021; 2021:8180154. [PMID: 34777490 PMCID: PMC8589529 DOI: 10.1155/2021/8180154] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 10/20/2021] [Indexed: 11/17/2022] Open
Abstract
Antibiotics, as veterinary drugs, have made extremely important contributions to disease prevention and treatment in the animal breeding industry. However, the accumulation of antibiotics in animal food due to their overuse during animal feeding is a frequent occurrence, which in turn would cause serious harm to public health when they are consumed by humans. Antibiotic residues in food have become one of the central issues in global food safety. As a safety measure, rapid and effective analytical approaches for detecting these residues must be implemented to prevent contaminated products from reaching the consumers. Traditional analytical methods, such as liquid chromatography, liquid chromatography mass spectrometry, and capillary electrophoresis, involve time-consuming sample preparation and complicated operation and require expensive instrumentation. By comparison, surface-enhanced Raman spectroscopy (SERS) has excellent sensitivity and remarkably enhanced target recognition. Thus, SERS has become a promising alternative analytical method for detecting antibiotic residues, as it can provide an ultrasensitive fingerprint spectrum for the rapid and noninvasive detection of trace analytes. In this study, we comprehensively review the recent progress and advances that have been achieved in the use of SERS in antibiotic residue detection. We introduce and discuss the basic principles of SERS. We then present the prospects and challenges in the use of SERS in the detection of antibiotics in food. Finally, we summarize and discuss the current problems and future trends in the detection of antibiotics in food.
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Affiliation(s)
- Jun-Fa Liang
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Cheng Peng
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Peiyu Li
- Department of Forensic Toxicology, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Qiu-Xiong Ye
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Yu Wang
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Yun-Ting Yi
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Zi-Sheng Yao
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Gui-Yun Chen
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Bin-Bin Zhang
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Jia-Jian Lin
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Qizhi Luo
- Department of Forensic Toxicology, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Xuncai Chen
- Department of Forensic Toxicology, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
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7
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Srisung S, Wasukan N, Kuno M, Somsri S, Tanjedrew N. Raman enhanced scattering and DFT studies on the adsorption behaviour of dithizone on silver nanoparticle. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108480] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
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8
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Sinha RK, Biswas P. Structural elucidation of Levofloxacin and Ciprofloxacin using density functional theory and Raman spectroscopy with inexpensive lab-built setup. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128946] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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9
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Jiang C, Wu T, Liu J, Wang Y. Application of a thermo-sensitive imprinted SERS substrate to the rapid trace detection of ofloxacin. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:4783-4788. [PMID: 32945296 DOI: 10.1039/d0ay00616e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A novel composite (AgNPs-MIPs) was prepared by combining nano-silver particles with an ofloxacin (OFL) imprinted thermo-sensitive hydrogel. The thermo-sensitive optical properties of the composite were studied and it was used as a Raman substrate for the detection of ofloxacin. The results have shown that the position and intensity of the plasmon resonance absorption peak of the AgNPs-MIPs can be reversibly changed with the change of temperature, and the intensity of the ofloxacin Raman signal increases with the increase of temperature. Because the hydrogel combined Raman enhancement of silver nanoparticles, the selectivity of molecularly imprinted materials and the intelligent response of thermo-sensitive hydrogels, it can realize rapid, in situ, trace and selective detection of ofloxacin. Moreover, the detection limit can reach 10-10 mol L-1.
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Affiliation(s)
- Caiyun Jiang
- College of Chemistry and Materials Science, Nanjing Normal University, Nanjing 210023, China.
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10
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Bajwa J, Nawaz H, Majeed MI, Hussain AI, Farooq S, Rashid N, Bakkar MA, Ahmad S, Hyat H, Bashir S, Ali S, Kashif M. Quantitative analysis of solid dosage forms of cefixime using Raman spectroscopy. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 238:118446. [PMID: 32408230 DOI: 10.1016/j.saa.2020.118446] [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: 03/26/2020] [Revised: 04/27/2020] [Accepted: 05/03/2020] [Indexed: 06/11/2023]
Abstract
Quantification of antibiotics is of significant importance because of their use in the prevention and treatment of different diseases. Cefixime (CEF) is a cephalosporin antibiotic that is used against bacterial infections. In the present study, Raman spectroscopy has been applied for the identification and quantification of Raman spectral features of cefixime with different concentrations of Active Pharmaceutical Ingredient (API) and excipients in solid dosage forms. The changes in Raman spectral features of API and excipients in the solid dosage forms of cefixime were studied and Raman peaks were assigned based on the literature. Multivariate data analysis techniques including the Principal Component Analysis (PCA) and Partial Least Squares Regression analysis (PLSR) have been performed for the qualitative and quantitative analysis of solid dosage forms of cefixime. PCA was found helpful in differentiating all the Raman spectral data associated with the different solid dosage forms of cefixime. The coefficient of determination (R2), mean absolute error (MAE), and mean relative error (MRE) for the calibration data-set were 0.99, 0.72, and 0.01 respectively and for the validation data-set were 0.99, 3.15, and 0.02 respectively, that shows the performance of the model. The root mean square error of calibration (RMSEC) and root mean square error of prediction (RMSEP) were found to be 0.56 mg and 3.13 mg respectively.
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Affiliation(s)
- Jawad Bajwa
- Department of Chemistry, Government College University, Faisalabad, Pakistan
| | - Haq Nawaz
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan.
| | | | | | - Sidra Farooq
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Nosheen Rashid
- Department of Chemistry, University of Central Punjab, Faisalabad Campus, Faisalabad, Pakistan
| | | | - Shamsheer Ahmad
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Hamza Hyat
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Saba Bashir
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Saqib Ali
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
| | - Muhammad Kashif
- Department of Chemistry, University of Agriculture, Faisalabad, Pakistan
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11
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Debnath B, Majumdar M, Bhowmik M, Bhowmik KL, Debnath A, Roy DN. The effective adsorption of tetracycline onto zirconia nanoparticles synthesized by novel microbial green technology. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2020; 261:110235. [PMID: 32148305 DOI: 10.1016/j.jenvman.2020.110235] [Citation(s) in RCA: 51] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 01/13/2020] [Accepted: 02/01/2020] [Indexed: 05/11/2023]
Abstract
Pseudomonas aeruginosa bacteria have been used in this study for zirconia nanoparticles synthesis through green technology for adsorption driven bioremediation of tetracycline from wastewater. The characterization of synthesized nano zirconia has been performed by employing dynamic light scattering, field emission-transmission electron microscopy, energy dispersive X-ray, X-ray diffraction, fourier transform infrared spectroscopy, and point of zero charge analysis. The zirconia nanoparticles have shown average particle size ~15 nm, monoclinic and tetragonal crystal structure with 6.41 nm of crystallite size, the presence of elemental zirconium and oxygen, and the occurrence of functional groups like O-Zr-OH, Zr-O-Zr and Zr-O bonds. The zirconia nanoparticles mediated adsorption of tetracycline has been found to be effective at solution pH 6.0 and in a very less contact time 15 min. Strong electrostatic interaction between zwitterionic form of tetracycline and protonated surface of zirconia nanoparticles is the governing adsorption mechanism in this study. The kinetic study has been performed on the basis of the tetracycline adsorption process revealing that the adsorption phenomenon follows pseudo-second order kinetic, further suggesting chemisorption of tetracycline over zirconia nanoparticles. The Langmuir isotherm model has been found to be the best fitted model among the all isotherm models indicating the involvement of monolayer uptake of tetracycline on the surface of zirconia nanoparticles. Moreover, the maximum tetracycline adsorption capacity of zirconia nanoparticles calculated by the Langmuir isotherm model is close to 526.32 mg/g. This finding is quite reasonable to accept that zirconia nanoparticle may be used as an alternative adsorbent to mitigate the tetracycline contamination in wastewater.
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Affiliation(s)
- Banhishikha Debnath
- Department of Civil Engineering, National Institute of Technology, Agartala, Tripura, India
| | - Moumita Majumdar
- Department of Chemistry, National Institute of Technology, Agartala, Tripura, India
| | - Mahashweta Bhowmik
- Department of Civil Engineering, National Institute of Technology, Agartala, Tripura, India
| | - Kartick Lal Bhowmik
- Department of Chemistry, Bir Bikram Memorial College, Agartala, Tripura, India
| | - Animesh Debnath
- Department of Civil Engineering, National Institute of Technology, Agartala, Tripura, India.
| | - Dijendra Nath Roy
- Department of Bio Engineering, National Institute of Technology, Agartala, Tripura, India.
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12
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Rapid Raman Spectroscopic Analysis of Stress Induced Degradation of the Pharmaceutical Drug Tetracycline. Molecules 2020; 25:molecules25081866. [PMID: 32316681 PMCID: PMC7221697 DOI: 10.3390/molecules25081866] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 04/07/2020] [Accepted: 04/08/2020] [Indexed: 12/14/2022] Open
Abstract
Stress factors caused by inadequate storage can induce the unwanted degradation of active compounds in pharmaceutical formulations. Resonance Raman spectroscopy is presented as an analytical tool for rapid monitoring of small concentration changes of tetracycline and the metabolite 4˗epianhydrotetracycline. These degradation processes were experimentally induced by changes in temperature, humidity, and irradiation with visible light over a time period of up to 23 days. The excitation wavelength λexc = 413 nm was proven to provide short acquisition times for the simultaneous Raman spectroscopic detection of the degradation of tetracycline and production of its impurity in small sample volumes. Small concentration changes could be detected (down to 1.4% for tetracycline and 0.3% for 4-epianhydrotetracycline), which shows the potential of resonance Raman spectroscopy for analyzing the decomposition of pharmaceutical products.
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13
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Pinheiro PC, Fateixa S, Daniel-da-Silva AL, Trindade T. An integrated approach for trace detection of pollutants in water using polyelectrolyte functionalized magneto-plasmonic nanosorbents. Sci Rep 2019; 9:19647. [PMID: 31873152 PMCID: PMC6928026 DOI: 10.1038/s41598-019-56168-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 12/03/2019] [Indexed: 11/22/2022] Open
Abstract
Resistance of pathogenic micro-organisms to conventional antibiotics is an essential issue for public health. The presence of such pharmaceuticals in aquatic ecosystems has been of major concern for which remediation and ultra-sensitive monitoring methods have been proposed. A less explored strategy involves the application of multifunctional nanosorbents for the uptake and subsequent detection of vestigial contaminants. In this study, colloidal nanoparticles (NPs) of iron oxide and gold were encapsulated in multi-layers of a charged polyelectrolyte (PEI: polyethyleneimine), envisaging the effective capture of tetracycline (TC) and its subsequent detection by Surface Enhanced Raman Scattering (SERS). Adsorption studies were performed by varying operational parameters, such as the solution pH and contact time, in order to evaluate the performance of the nanosorbents for the uptake of TC from water. While the magnetic nanosorbents with an external PEI layer (Fe3O4@PEI and Fe3O4@PEI-Au@PEI particles) have shown better uptake efficiency for TC, these materials showed less SERS sensitivity than the Fe3O4@PEI- Au nanosorbents, whose SERS sensitivity for TC in water has reached the limit of detection of 10 nM. Thus, this study highlights the potential of such magneto-plasmonic nanosorbents as multi-functional platforms for targeting specific contaminants in water, by taking into consideration both functionalities investigated: the removal by adsorption and the SERS detection across the nanosorbents’ surfaces.
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Affiliation(s)
- Paula C Pinheiro
- Department of Chemistry - CICECO Aveiro Institute of Materials, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Sara Fateixa
- Department of Chemistry - CICECO Aveiro Institute of Materials, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Ana L Daniel-da-Silva
- Department of Chemistry - CICECO Aveiro Institute of Materials, University of Aveiro, 3810-193, Aveiro, Portugal
| | - Tito Trindade
- Department of Chemistry - CICECO Aveiro Institute of Materials, University of Aveiro, 3810-193, Aveiro, Portugal.
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15
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Balan C, Pop LC, Baia M. IR, Raman and SERS analysis of amikacin combined with DFT-based calculations. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 214:79-85. [PMID: 30769154 DOI: 10.1016/j.saa.2019.02.012] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 01/30/2019] [Accepted: 02/05/2019] [Indexed: 06/09/2023]
Abstract
Amikacin, a molecule formed by two glucosamine rings linked by α-linkages through a central deoxystreptamine, is an antibiotic often used in clinical treatments, with a special attention in the pediatric cases, due to the physiological activity of their renal system. In spite of its extensive use, no detailed information about the vibrational features of the molecule is available in the literature. Thus, in this study we performed a comprehensive vibrational investigation of amikacin from both an experimental and theoretical point of view. Raman and IR spectroscopy combined with DFT calculations conducted to a complete vibrational characterization of the molecule, with the assignment of the vibrational modes. Moreover, SERS spectrum was recorded and analyzed and provided information about the adsorption behavior of the amikacin on the silver nanoparticles surface.
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Affiliation(s)
- Cristina Balan
- Faculty of Physics, Babeş-Bolyai University, Mihail Kogalniceanu 1, 400084 Cluj-Napoca, Romania
| | - Lucian-Cristian Pop
- Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, Arany János 11, 400028 Cluj-Napoca, Romania; Institute for Interdisciplinary Research in Bio-Nano-Sciences, Babeş-Bolyai University, Treboniu Laurian 42, 400271 Cluj-Napoca, Romania
| | - Monica Baia
- Faculty of Physics, Babeş-Bolyai University, Mihail Kogalniceanu 1, 400084 Cluj-Napoca, Romania; Institute for Interdisciplinary Research in Bio-Nano-Sciences, Babeş-Bolyai University, Treboniu Laurian 42, 400271 Cluj-Napoca, Romania.
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16
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Han H, Rafiq MK, Zhou T, Xu R, Mašek O, Li X. A critical review of clay-based composites with enhanced adsorption performance for metal and organic pollutants. JOURNAL OF HAZARDOUS MATERIALS 2019; 369:780-796. [PMID: 30851518 DOI: 10.1016/j.jhazmat.2019.02.003] [Citation(s) in RCA: 152] [Impact Index Per Article: 30.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 01/23/2019] [Accepted: 02/02/2019] [Indexed: 06/09/2023]
Abstract
Adsorption techniques offer unique advantages owing to the use of synthetic (e.g., nanosized metal oxides and polymer-functionalized nanocomposites) and natural (e.g., clay and biochar) materials for pollutant removal. Although the most widely used adsorbent is activated carbon, extensive studies have highlighted the promising potential of modified clay minerals and biochar for removing heavy metal and organic pollutants from industrial, drinking, and eutrophic wastewater, due to their low cost and easy accessibility. However, clay modification using acids, calcination, polymers, or surfactants exhibits relatively low absorption/regeneration ability towards antibiotics, aromatics, and various dyes. The coexistence of numerous contaminants in industrial wastewater inhibited the performance of adsorbents, which accelerated the development of novel modified clay composites such as clay-biochar, organo-bentonite/sodium alginate beads, and enhanced biochar. This review summarizes recent studies and absorption mechanisms concerning clay composites based on various modification methods and component materials. The comparison of clay composites used for the removal of organic and inorganic contaminants provides valuable insight into real wastewater treatment. Knowledge gaps, uncertainties, and future challenges involved in the fabrication and regeneration of modified clay composites are also identified.
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Affiliation(s)
- Huawen Han
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Science, Lanzhou University, Tianshui South Road #222, Lanzhou, Gansu, 730000, People's Republic of China
| | - Muhammad Khalid Rafiq
- UK Biochar Research Centre, School of GeoSciences, University of Edinburgh, Crew Building, King's Buildings, Edinburgh, EH9 3FF, United Kingdom; Rangeland Research Institute, National Agricultural Research Center, Islamabad, 44000, Pakistan
| | - Tuoyu Zhou
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Science, Lanzhou University, Tianshui South Road #222, Lanzhou, Gansu, 730000, People's Republic of China
| | - Rong Xu
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Science, Lanzhou University, Tianshui South Road #222, Lanzhou, Gansu, 730000, People's Republic of China
| | - Ondřej Mašek
- UK Biochar Research Centre, School of GeoSciences, University of Edinburgh, Crew Building, King's Buildings, Edinburgh, EH9 3FF, United Kingdom
| | - Xiangkai Li
- Ministry of Education Key Laboratory of Cell Activities and Stress Adaptations, School of Life Science, Lanzhou University, Tianshui South Road #222, Lanzhou, Gansu, 730000, People's Republic of China.
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17
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Lian W, Liu Y, Yang H, Ma H, Su R, Han X, Zhao B, Niu L. Investigation of the binding sites and orientation of Norfloxacin on bovine serum albumin by surface enhanced Raman scattering and molecular docking. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2019; 207:307-312. [PMID: 30265946 DOI: 10.1016/j.saa.2018.09.034] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 08/24/2018] [Accepted: 09/17/2018] [Indexed: 06/08/2023]
Abstract
Norfloxacin (NFX) is an antibacterial agent belonging to the fluoroquinolone family of drugs, known to bind bovine serum albumin (BSA). Surface-enhanced Raman scattering (SERS) and fluorescence spectroscopy in combination with molecular docking were explored to investigate the binding interaction between NFX with Bovine serum albumin (BSA) at a physiological condition. This study focused on identifying the binding site and relevant interaction mechanisms between NFX and BSA. Spectrophotometric titration with molecular docking results demonstrated that the binding site of NFX on BSA was located in sub-domain IIA. The principle binding site was identified within a hydrophobic cavity which is surrounded by the residues Leu 197, Arg 198, Ser 201, Ala 209, Trp 213, Ser 343, Leu 346, Lys 350, Ser 453, Leu 480, Val 481, and the binding force was mainly hydrophobic interaction and hydrogen bond interaction. In addition, the absorptive orientation of the NFX molecule on the colloidal surface underwent a set of changes during the process of NFX binding to BSA.
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Affiliation(s)
- Wenhui Lian
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun 130117, PR China; State Key Laboratory of Electroanalytical Chemistry, c/o Engineering Laboratory for Modern Analytical Techniques, CAS Center for Excellence in Nanoscience, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China
| | - Yawen Liu
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, PR China
| | - Hongmei Yang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun 130117, PR China
| | - Hao Ma
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, PR China
| | - Rui Su
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun 130117, PR China
| | - Xiaoxia Han
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, PR China
| | - Bing Zhao
- State Key Laboratory of Supramolecular Structure and Materials, Jilin University, Changchun 130012, PR China.
| | - Li Niu
- State Key Laboratory of Electroanalytical Chemistry, c/o Engineering Laboratory for Modern Analytical Techniques, CAS Center for Excellence in Nanoscience, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, PR China.
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18
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Magnetite-Supported Gold Nanostars for the Uptake and SERS Detection of Tetracycline. NANOMATERIALS 2018; 9:nano9010031. [PMID: 30591645 PMCID: PMC6359395 DOI: 10.3390/nano9010031] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2018] [Revised: 12/20/2018] [Accepted: 12/21/2018] [Indexed: 01/17/2023]
Abstract
Magnetite nanoparticles (MNPs) decorated with gold nanostars (AuNSs) have been prepared by using a seed growth method without the addition of surfactants or colloidal stabilizers. The hybrid nanomaterials were investigated as adsorbents for the uptake of tetracycline (TC) from aqueous solutions and subsequent detection using surface-enhanced Raman scattering (SERS). Several parameters were investigated in order to optimize the performance of these hybrid platforms on the uptake and SERS detection of TC, including variable pH values and the effect of contact time on the removal of TC. The spatial distribution of TC and AuNS on the hybrid composites was accomplished by coupling SERS analysis with Raman imaging studies, allowing also for the determination of the detection limit for TC when dissolved in ultrapure water (10 nM) and in more complex aqueous matrices (1 μM). Attempts were also made to investigate the adsorption modes of the TC molecules at the surface of the metal NPs by taking into account the enhancement of the Raman bands in these different matrices.
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19
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Yi S, Sun Y, Hu X, Xu H, Gao B, Wu J. Porous nano-cerium oxide wood chip biochar composites for aqueous levofloxacin removal and sorption mechanism insights. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:25629-25637. [PMID: 28091999 DOI: 10.1007/s11356-016-8342-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 12/25/2016] [Indexed: 06/06/2023]
Abstract
The adsorption removal of levofloxacin (LEV), a widely used fluoroquinolone antibiotic, by using the biochars derived from the pyrolysis of pine wood chip pretreated with cerium trichloride was investigated through batch sorption experiments and multiple characterization techniques. The differences in the basic physicochemical properties between Ce-impregnated biochars and the pristine biochars were confirmed by the analysis of elemental compositions, specific surface areas, energy dispersive spectrometry, X-ray diffraction, and thermo-gravimetry. FT-IR spectra of the pre- and post-sorption biochars confirmed the chemical adsorption for LEV sorption onto the biochars. Large shifts in the binding energy of Ce3d, O1s, C1s, and N1s regions on the pre- and post-sorption biochars indicated the surface complexation of LEV molecule onto the biochars. The binding species of Ce4+ and Ce3+ identified by X-ray photoelectron spectroscopy reflect the role of Ce oxides during sorption. Batch adsorption showed the significant enhancement of adsorption capacity for LEV after the Ce modification. Batch adsorption kinetic data fitted well with the pseudo-second-order model. Both the Langmuir and the Freundlich models reproduced the isotherm data well. Findings from this work indicated that Ce-impregnated biochars can be effective for the removal of aqueous LEV.
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Affiliation(s)
- Shengze Yi
- Key Laboratory of Surficial Geochemistry (Ministry of Education), Hydrosciences Department, School of Earth Sciences and Engineering, Nanjing University, Nanjing, 210023, China
| | - Yuanyuan Sun
- Key Laboratory of Surficial Geochemistry (Ministry of Education), Hydrosciences Department, School of Earth Sciences and Engineering, Nanjing University, Nanjing, 210023, China
| | - Xin Hu
- Center of Material Analysis and School of Chemistry and Chemical Engineering, State Key Laboratory of Analytical Chemistry for Life Science, Nanjing University, 20 Hankou Road, Nanjing, 210093, People's Republic of China.
| | - Hongxia Xu
- Key Laboratory of Surficial Geochemistry (Ministry of Education), Hydrosciences Department, School of Earth Sciences and Engineering, Nanjing University, Nanjing, 210023, China
| | - Bin Gao
- Agricultural and Biological Engineering Department, University of Florida, Gainesville, FL, 32611, USA
| | - Jichun Wu
- Key Laboratory of Surficial Geochemistry (Ministry of Education), Hydrosciences Department, School of Earth Sciences and Engineering, Nanjing University, Nanjing, 210023, China.
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20
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Pinheiro PC, Daniel-da-Silva AL, Nogueira HIS, Trindade T. Functionalized Inorganic Nanoparticles for Magnetic Separation and SERS Detection of Water Pollutants. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800132] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Paula C. Pinheiro
- Department of Chemistry-CICECO; University of Aveiro; 3810-193 Aveiro Portugal
| | | | | | - Tito Trindade
- Department of Chemistry-CICECO; University of Aveiro; 3810-193 Aveiro Portugal
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21
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Jiang Y, Sun DW, Pu H, Wei Q. Surface enhanced Raman spectroscopy (SERS): A novel reliable technique for rapid detection of common harmful chemical residues. Trends Food Sci Technol 2018. [DOI: 10.1016/j.tifs.2018.02.020] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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22
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Sukhorukova IV, Sheveyko AN, Manakhov A, Zhitnyak IY, Gloushankova NA, Denisenko EA, Filippovich SY, Ignatov SG, Shtansky DV. Synergistic and long-lasting antibacterial effect of antibiotic-loaded TiCaPCON-Ag films against pathogenic bacteria and fungi. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 90:289-299. [PMID: 29853094 DOI: 10.1016/j.msec.2018.04.068] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/24/2017] [Revised: 03/20/2018] [Accepted: 04/22/2018] [Indexed: 12/21/2022]
Abstract
Implant-related bacterial infections remain a serious problem that is not solved yet. Herein we combined several antibacterial agents to achieve synergistic effects and broader protection of widely used metallic implants. Titanium samples with microcontainers for drug, produced by selective laser sintering, were coated with Ag-doped biocompatible and bioactive TiCaPCON film and loaded with an antibiotic (gentamicin or a mixture of gentamicin and amphotericin B). Bactericide release tests demonstrated that the release rate of one bactericide agent (Ag+ ions or gentamicin) depended on the presence of the other antibacterial component. The antibacterial activity of the biocide-doped samples was evaluated against clinically isolated Escherichia coli O78 (E. coli), Staphylococcus aureus (S. aureus) bacteria, and Neurospora crassa wt-987 (N. crassa) spores. It was found that samples loaded with low gentamicin concentration (0.2 and 0.02 mg/cm2), i.e. 10 and 100 times less than the standard gentamicin concentration (2 mg/cm2), demonstrated a superb antibacterial activity against E. coli bacteria. We showed that a crosslinking reaction between gentamicin and TiCaPCON film proceeded either through the formation of amide bonds or via the electrostatic interaction between amine groups of gentamicin and COOH groups of TiCaPCON and led to the formation of relatively stable drug/film conjugates that prevented a rapid dissolution of gentamicin and ensured its long-term (for 72 h) antibacterial protection. Leaching of silver ions provided an effective antibacterial protection after the depletion of the drug reservoirs. The obtained results clearly show a synergistic antibacterial action of Ag+ ions and gentamicin against S. aureus bacteria. In addition, in the presence of Ag+ ions, the antifungal activity of samples loaded with a mixture of gentamicin and amphotericin B against N. crassa fungus was observed to increase. Thus, it is demonstrated that silver can be successfully coupled with different types of antibiotics to provide innovative hybrid metal-ceramic bioconstructions that are able to deliver precise doses of bactericide agents within a certain period of time and are equally effective against Gram-negative E. coli bacteria, Gram-positive S. aureus, and N. crassa fungus.
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Affiliation(s)
- I V Sukhorukova
- National University of Science and Technology "MISIS", Leninsky prospect 4, Moscow 119049, Russia
| | - A N Sheveyko
- National University of Science and Technology "MISIS", Leninsky prospect 4, Moscow 119049, Russia
| | - A Manakhov
- National University of Science and Technology "MISIS", Leninsky prospect 4, Moscow 119049, Russia
| | - I Y Zhitnyak
- N.N. Blokhin Russian Cancer Research Centre of RAMS, Kashirskoe shosse 24, Moscow 115478, Russia
| | - N A Gloushankova
- N.N. Blokhin Russian Cancer Research Centre of RAMS, Kashirskoe shosse 24, Moscow 115478, Russia
| | - E A Denisenko
- State Research Center for Applied Microbiology and Biotechnology, Obolensk, Moscow Region 142279, Russia
| | - S Yu Filippovich
- Bach Institute of Biochemistry, Research Center of Biotechnology of the Russian Academy of Sciences, Leninsky prospect 33, bld. 2, Moscow 119071, Russia
| | - S G Ignatov
- State Research Center for Applied Microbiology and Biotechnology, Obolensk, Moscow Region 142279, Russia
| | - D V Shtansky
- National University of Science and Technology "MISIS", Leninsky prospect 4, Moscow 119049, Russia.
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El-Zahry MR, Lendl B. Structure elucidation and degradation kinetic study of Ofloxacin using surface enhanced Raman spectroscopy. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2018; 193:63-70. [PMID: 29223055 DOI: 10.1016/j.saa.2017.12.007] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 11/22/2017] [Accepted: 12/01/2017] [Indexed: 06/07/2023]
Abstract
A simple, fast and sensitive surface enhanced Raman spectroscopy (SERS) method for quantitative determination of fluoroquinolone antibiotic Ofloxacin (OFX) is presented. Also the stability behavior of OFX was investigated by monitoring the SERS spectra of OFX after various degradation processes. Acidic, basic and oxidative force degradation processes were applied at different time intervals. The forced degradation conditions were conducted and followed using SERS method utilizing silver nanoparticles (Ag NPs) as a SERS substrate. The Ag NPs colloids were prepared by reduction of silver nitrate using polyethyelene glycol (PEG) as a reducing and stabilizing agent. Validation tests were done in accordance with International Conference on Harmonization (ICH) guidelines. The calibration curve with a correlation coefficient (R=0.9992) was constructed as a relationship between the concentration range of OFX (100-500ng/ml) and SERS intensity at 1394cm-1 band. LOD and LOQ values were calculated and found to be 23.5ng/ml and 72.6ng/ml, respectively. The developed method was applied successfully for quantitation of OFX in different pharmaceutical dosage forms. Kinetic parameters were calculated including rate constant of the degradation of the studied antibiotic.
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Affiliation(s)
- Marwa R El-Zahry
- Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Assiut University, 71526 Assiut, Egypt.
| | - Bernhard Lendl
- Institute of Chemical Technologies and Analytics, Vienna University of Technology, Getreidemarkt 9/151, A-1060 Vienna, Austria
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24
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Ren YN, Xu W, Zhou LX, Zheng YQ. Two new uranyl complexes as visible light driven photocatalysts for degradation of tetracycline. Polyhedron 2018. [DOI: 10.1016/j.poly.2017.10.012] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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25
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Bindesri SD, Alhatab DS, Brosseau CL. Development of an electrochemical surface-enhanced Raman spectroscopy (EC-SERS) fabric-based plasmonic sensor for point-of-care diagnostics. Analyst 2018; 143:4128-4135. [DOI: 10.1039/c8an01117f] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A plasmonic fabric-based electrode has been developed for wearable EC-SERS sensing for point-of-care applications.
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26
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SERS Detection of Penicillin G Using Magnetite Decorated with Gold Nanoparticles. MAGNETOCHEMISTRY 2017. [DOI: 10.3390/magnetochemistry3040032] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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27
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Li C, Huang Y, Lai K, Rasco BA, Fan Y. Analysis of trace methylene blue in fish muscles using ultra-sensitive surface-enhanced Raman spectroscopy. Food Control 2016. [DOI: 10.1016/j.foodcont.2016.01.017] [Citation(s) in RCA: 72] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2022]
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28
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Khurana C, Vala AK, Andhariya N, Pandey OP, Chudasama B. Influence of antibiotic adsorption on biocidal activities of silver nanoparticles. IET Nanobiotechnol 2016; 10:69-74. [PMID: 27074856 DOI: 10.1049/iet-nbt.2015.0005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Excessive use of antibiotics has posed two major challenges in public healthcare. One of them is associated with the development of multi-drug resistance while the other one is linked to side effects. In the present investigation, the authors report an innovative approach to tackle the challenges of multi-drug resistance and acute toxicity of antibiotics by using antibiotics adsorbed metal nanoparticles. Monodisperse silver nanoparticles (SNPs) have been synthesised by two-step process. In the first step, SNPs were prepared by chemical reduction of AgNO3 with oleylamine and in the second step, oleylamine capped SNPs were phase-transferred into an aqueous medium by ligand exchange. Antibiotics - tetracycline and kanamycin were further adsorbed on the surface of SNPs. Antibacterial activities of SNPs and antibiotic adsorbed SNPs have been investigated on gram-positive (Staphylococcus aureus, Bacillus megaterium, Bacillus subtilis), and gram-negative (Proteus vulgaris, Shigella sonnei, Pseudomonas fluorescens) bacterial strains. Synergistic effect of SNPs on antibacterial activities of tetracycline and kanamycin has been observed. Biocidal activity of tetracycline is improved by 0-346% when adsorbed on SNPs; while for kanamycin, the improvement is 110-289%. This synergistic effect of SNPs on biocidal activities of antibiotics may be helpful in reducing their effective dosages.
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Affiliation(s)
- Chandni Khurana
- Laboratory of Nanomedicine, School of Physics and Materials Science, Thapar University, Patiala-147004, India
| | - Anjana K Vala
- Department of Physics, M.K. Bhavnagar University, Bhavnagar-364022, India
| | - Nidhi Andhariya
- Laboratory of Nanomedicine, School of Physics and Materials Science, Thapar University, Patiala-147004, India
| | - O P Pandey
- Laboratory of Nanomedicine, School of Physics and Materials Science, Thapar University, Patiala-147004, India
| | - Bhupendra Chudasama
- Laboratory of Nanomedicine, School of Physics and Materials Science, Thapar University, Patiala-147004, India.
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Wang H, Yang X, Zi J, Zhou M, Ye Z, Li J, Guan Q, Lv P, Huo P, Yan Y. High photocatalytic degradation of tetracycline under visible light with Ag/AgCl/activated carbon composite plasmonic photocatalyst. J IND ENG CHEM 2016. [DOI: 10.1016/j.jiec.2015.12.023] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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