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Ullah I, Shahzad SA, Assiri MA, Ullah MZ, Irshad H, Farooq U. A combined experimental and theoretical approach for doxycycline sensing using simple fluorescent probe with distinct fluorescence change in wide range of interferences. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2024; 314:124224. [PMID: 38574611 DOI: 10.1016/j.saa.2024.124224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 03/19/2024] [Accepted: 03/29/2024] [Indexed: 04/06/2024]
Abstract
Overuse of doxycycline (DOXY) can cause serious problems to human health, environment and food quality. So, it is essential to develop a new sensing methodology that is both sensitive and selective for the quantitative detection of DOXY. In our current research, we synthesized a simple fluorescent probe 4,4'-bis(benzyloxy)-1,1'-biphenyl (BBP) for the highly selective detection of doxycycline by through fluorescence spectroscopy. The probe BBP displayed ultra-sensitivity towards doxycycline due to Forster resonance energy transfer (FRET). Fluorescence spectroscopy, density functional theory (DFT), 1H NMR titration, UV-Vis, and Job's plot were used to confirm the sensing mechanism. The charge transfer between the probe and analyte was further examined qualitatively by electron density differences (EDD) and quantitively by natural bond orbital (NBO) analyses. Whereas the non-covalent nature of probe BBP towards DOXY was verified by theoretical non-covalent interaction (NCI) analysis as along with Bader's quantum theory of atoms in molecules (QTAIM) analysis. Furthermore, probe BBP was also practically employed for the detection of doxycycline in fish samples, pharmaceutical wastewater and blood samples.
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Affiliation(s)
- Ikram Ullah
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, University Road, Abbottabad 22060, Pakistan
| | - Sohail Anjum Shahzad
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, University Road, Abbottabad 22060, Pakistan.
| | - Mohammed A Assiri
- Department of Chemistry, Faculty of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia; Research Center for Advanced Materials Science (RCAMS), King Khalid University, P. O. Box 9004, Abha 61514, Saudi Arabia
| | - Muhammad Zahid Ullah
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, University Road, Abbottabad 22060, Pakistan
| | - Hasher Irshad
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, University Road, Abbottabad 22060, Pakistan
| | - Umar Farooq
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus, University Road, Abbottabad 22060, Pakistan.
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2
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Wang J, Chen W, Cao L, Zhou M, Geng Y, Liu Y, Ding S, Fu DY. Glutathione S-transferase templated copper nanoclusters as a fluorescent probe for turn-on sensing of chlorotetracycline. NANOSCALE ADVANCES 2024; 6:722-731. [PMID: 38235074 PMCID: PMC10791131 DOI: 10.1039/d3na00577a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/31/2023] [Accepted: 12/12/2023] [Indexed: 01/19/2024]
Abstract
Hereby, facile-green copper nanoclusters templated by glutathione S-transferase (GST-CuNCs) have been innovatively synthesized via a simple one-pot stirring method at room temperature. The as-prepared nanoclusters exhibited uniform size with satisfactory fluorescence intensity, good stability and low cytotoxicity. Significantly, the fluorescence of the obtained GST-CuNCs could be considerably enhanced by the addition of chlorotetracycline (CTC) rather than other analogues of CTC, which was ascribed to the aggregation-induced enhancement caused by the interaction between CTC and GST. The enhanced fluorescence intensity demonstrated a good linear correlation with the CTC concentration in the range of 30-120 μM (R2 = 0.99517), and the low detection limit was 69.7 nM. Furthermore, the proposed approach showed favorable selectivity and anti-interference toward CTC among prevalent ions and amino acids. Additionally, this nanoprobe was also applied to the quantitative detection of CTC in serum samples with satisfactory outcomes, which demonstrated excellent prospects for practical applications.
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Affiliation(s)
- Jiaxi Wang
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University No. 19 Qixiu Road Nantong 226001 China
| | - Wenting Chen
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University No. 19 Qixiu Road Nantong 226001 China
- Rudong Country People's Hospital No. 2 Jianghai West Road, Chengzhong Street, Rudong County Nantong 226400 China
| | - Lei Cao
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University No. 19 Qixiu Road Nantong 226001 China
| | - Mengyan Zhou
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University No. 19 Qixiu Road Nantong 226001 China
| | - Yongkang Geng
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University No. 19 Qixiu Road Nantong 226001 China
| | - Yifei Liu
- Department of Pathology, Affiliated Hospital of Nantong University Nantong 226001 China
| | - Shushu Ding
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University No. 19 Qixiu Road Nantong 226001 China
| | - Ding-Yi Fu
- School of Pharmacy and Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, Nantong University No. 19 Qixiu Road Nantong 226001 China
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3
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Vadivelmurugan A, Sharmila R, Pan WL, Tsai SW. Preparation and Evaluation of Aminomalononitrile-Coated Ca-Sr Metal-Organic Frameworks as Drug Delivery Carriers for Antibacterial Applications. ACS OMEGA 2023; 8:41909-41917. [PMID: 37970043 PMCID: PMC10633883 DOI: 10.1021/acsomega.3c06991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2023] [Revised: 10/09/2023] [Accepted: 10/12/2023] [Indexed: 11/17/2023]
Abstract
After orthopedic surgery, antibiotics are usually employed to reduce the risk of infection. If it is possible to enhance antimicrobial functionality and incorporate antimicrobial agents into the bone-filling matrix, not only it can promote bone tissue regeneration, but it can also enable localized administration of medication to elevate antibacterial efficacy. Meanwhile, previous studies have shown that calcium and strontium can support the growth of osteoblastic cells and diminish bone resorption or deterioration. In the past few years, metal-organic frameworks (MOFs) have been widely used as drug carriers owing to their characteristic advantages. In this study, a MOF was prepared in an aqueous solution by a simple coprecipitation method with the organic ligand 1,3,5-tricarboxylic benzene (H3BTC) as a linker to form Ca-Sr-MOF. Furthermore, the Ca-Sr-MOF was coated with aminomalononitrile (AMN), which adhered through the electrostatic interactions between H3BTC and AMN. With this MOF (Ca-Sr-AMN-MOF), AMN polymerization reactions can occur in aqueous environments, and a polymer layer was observed on the MOF surface with moderate hydrophilicity. The prepared Ca-Sr-MOF and Ca-Sr-AMN-MOF were characterized by Fourier transform infrared spectroscopy, powder X-ray diffraction, scanning electron microscopy, high-resolution transmission electron microscopy, and UV-visible spectroscopy. Finally, tetracycline (TC) was selected as the model drug to measure the drug loading efficiency, release profile, and antibiotic activity. The percent cumulative drug release of TC from Ca-Sr-MOF and Ca-Sr-AMN-MOF was 55.15 and 9.1%, respectively. The antibacterial effectiveness of TC-loaded MOF against Gram-negative Escherichia coli bacteria was evaluated, revealing the remarkable antimicrobial performance of these substances.
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Affiliation(s)
| | - Ramalingam Sharmila
- Department
of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu 300044, Taiwan
| | - Whei-Lin Pan
- Department
of Periodontics, Chang Gung Memorial Hospital, Taipei 10507, Taiwan
| | - Shiao-Wen Tsai
- Department
of Biomedical Engineering, Chang Gung University, Taoyuan 33302, Taiwan
- Department
of Periodontics, Chang Gung Memorial Hospital, Taipei 10507, Taiwan
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4
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Xia WQ, Liu J, Wang JP. Evolution of a natural TetR protein and development of a Fe 3O 4 assisted semi-homogeneous fluorescent method for determination of tetracyclines in milk. Anal Chim Acta 2023; 1276:341609. [PMID: 37573105 DOI: 10.1016/j.aca.2023.341609] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Revised: 07/04/2023] [Accepted: 07/09/2023] [Indexed: 08/14/2023]
Abstract
Compared with antibody, the recognition spectrum of a receptor is broader, and its recognition ability can be improved using simple mutagenesis technique. Compared with conventional immunoassay, the magnetic bead based immunoassay is simpler and can be recycled. Compared with colorimetric and luminescent immunoassays, fluoroimmunoassay is simpler because it does not require a substrate. So a method combines these merits is desirable. In this study, two amino acids in the binding pocket of a natural Escherichia coli TetR protein were mutated to produce a mutant, and the molecular docking showed the binding energies and the numbers of contact acid for 10 tetracyclines all increased. The mutant was coupled with Fe3O4 to synthesize a magnetic complex, and a fluorescent tracer was synthesized by coupling quantum dot and minocycline with bovine serum albumin. Under the assistance of 96-well bottom magnet, a semi-homogeneous method based on the two materials was developed on conventional microplate for determination of the 10 tetracyclines in milk. Results showed once assay was finished within 20 min, the limits of detection (drug concentration showing 10% inhibition) for the 10 drugs were in the range of 0.32-0.94 ng/mL, and the magnetic complex could be regenerated for 6 times. Furthermore, the sensitivities were improved for 4-6 folds in comparison with the use of natural TetR. Therefore, this method is simple, sensitive, time-saving and recyclable, and it can be used for routine screening of the 10 tetracyclines in milk.
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Affiliation(s)
- Wan Qiu Xia
- College of Veterinary Medicine, Hebei Agricultural University, Baoding, Hebei, 071000, China
| | - Jing Liu
- College of Veterinary Medicine, Hebei Agricultural University, Baoding, Hebei, 071000, China
| | - Jian Ping Wang
- College of Veterinary Medicine, Hebei Agricultural University, Baoding, Hebei, 071000, China.
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5
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Zhang Z, Wu M, Phan A, Alanazi M, Yong J, Ping Xu Z, Sultanbawa Y, Zhang R. Development of europium(III) complex functionalized silica nanoprobe for luminescence detection of tetracycline. Methods 2023; 214:1-7. [PMID: 37075873 DOI: 10.1016/j.ymeth.2023.04.003] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Revised: 04/11/2023] [Accepted: 04/12/2023] [Indexed: 04/21/2023] Open
Abstract
Increasing awareness of the health and environment impacts of the antibiotics misuse or overuse, such as tetracycline (TC) in treatment or prevention of infections and diseases, has driven the development of robust methods for their detection in biological, environmental and food systems. In this work, we report the development of a new europium(III) complex functionalized silica nanoprobe (SiNPs-Eu3+) for highly sensitive and selective detection of TC residue in aqueous solution and food samples (milk and meat). The nanoprobe is developed by immobilization of Eu3+ ion onto the surface of silica nanoparticles (SiNPs) as the emitter and TC recognition unit. The β-diketone configuration of TC can further coordinate with Eu3+ steadily on the surface of nanoprobe, facilitating the absorption of light excitation for Eu3+ emitter activation and luminescence "off-on" response. The dose-dependent luminescence enhancement of SiNPs-Eu3+ nanoprobe exhibits good linearities, allowing the quantitative detection of TC. The SiNPs-Eu3+ nanoprobe shows high sensitivity and selectivity for TC detection in buffer solution. Time resolved luminescence analysis enables the elimination of autofluorescence and light scattering for highly sensitive detection of TC in milk and pork mince with high accuracy and precision. The successful development of SiNPs-Eu3+ nanoprobe is anticipated to provide a rapid, economic, and robust approach for TC detection in real world samples.
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Affiliation(s)
- Zexi Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Queensland, 4072, Australia
| | - Miaomiao Wu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Queensland, 4072, Australia
| | - Anh Phan
- ARC Industrial Transformation Training Centre for Uniquely Australian Foods, Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Indooroopilly, Queensland, 4068, Australia
| | - Mazen Alanazi
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Queensland, 4072, Australia
| | - Jiaxi Yong
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Queensland, 4072, Australia
| | - Zhi Ping Xu
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Queensland, 4072, Australia
| | - Yasmina Sultanbawa
- ARC Industrial Transformation Training Centre for Uniquely Australian Foods, Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, Indooroopilly, Queensland, 4068, Australia.
| | - Run Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland, St. Lucia, Queensland, 4072, Australia.
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Construction of a Molecularly Imprinted Sensor Modified with Tea Branch Biochar and Its Rapid Detection of Norfloxacin Residues in Animal-Derived Foods. Foods 2023; 12:foods12030544. [PMID: 36766073 PMCID: PMC9913916 DOI: 10.3390/foods12030544] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2022] [Revised: 01/08/2023] [Accepted: 01/22/2023] [Indexed: 01/28/2023] Open
Abstract
Norfloxacin (NOR) is a common antibiotic used in humans and animals, and its high levels can cause intolerance or poisoning. Therefore, NOR levels in animal-derived foods must be monitored due to potential side effects and illegal use phenomena. This research centered on the development of an environmentally friendly electrochemical sensor for NOR detection. Potassium carbonate activated tea branch biochar (K-TBC) as an efficient use of waste was coated on the surface of glassy carbon electrode (GCE), and a molecular-imprinted polymer (MIP) layer was subsequently electropolymerized onto the modified electrode. NOR was used as template molecule and o-phenylenediamine (o-PD) and o-aminophenol (o-AP) were used as bifunctional monomers. The electrochemical sensor was built and its electrochemical behavior on NOR was investigated. The sensor demonstrated an excellent linear current response to NOR concentrations in the ranges of 0.1-0.5 nM and 0.5-100 nM under ideal experimental circumstances, with a detection limit of 0.028 nM (S/N = 3). With recoveries ranging from 85.90% to 101.71%, the designed sensor was effectively used to detect NOR in actual samples of milk, honey, and pork. Besides, the fabricated sensor had low price, short detection time, good selectivity and stability, which can provide a theoretical and practical basis for the actual monitoring of NOR residues.
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7
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Ben Halima H, Baraket A, Vinas C, Zine N, Bausells J, Jaffrezic-Renault N, Teixidor F, Errachid A. Selective Antibody-Free Sensing Membranes for Picogram Tetracycline Detection. BIOSENSORS 2022; 13:71. [PMID: 36671906 PMCID: PMC9855611 DOI: 10.3390/bios13010071] [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: 11/23/2022] [Revised: 12/18/2022] [Accepted: 12/26/2022] [Indexed: 06/12/2023]
Abstract
As an antibody-free sensing membrane for the detection of the antibiotic tetracycline (TC), a liquid PVC membrane doped with the ion-pair tetracycline/θ-shaped anion [3,3'-Co(1,2-C2B9H11)2]- ([o-COSAN]-) was formulated and deposited on a SWCNT modified gold microelectrode. The chosen transduction technique was electrochemical impedance spectroscopy (EIS). The PVC membrane was composed of: the tetracycline/[o-COSAN]- ion-pair, a plasticizer. A detection limit of 0.3 pg/L was obtained with this membrane, using bis(2-ethylhexyl) sebacate as a plasticizer. The sensitivity of detection of tetracycline was five times higher than that of oxytetracycline and of terramycin, and 22 times higher than that of demeclocycline. A shelf-life of the prepared sensor was more than six months and was used for detection in spiked honey samples. These results open the way to having continuous monitoring sensors with a high detection capacity, are easy to clean, avoid the use of antibodies, and produce a direct measurement.
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Affiliation(s)
- Hamdi Ben Halima
- Institut de Sciences Analytiques (ISA)-UMR 5280, Université Claude Bernard Lyon 1, 5 Rue de la Doua, 69100 Lyon, France
| | - Abdoullatif Baraket
- Institut de Sciences Analytiques (ISA)-UMR 5280, Université Claude Bernard Lyon 1, 5 Rue de la Doua, 69100 Lyon, France
| | - Clara Vinas
- Inorganic Materials Laboratory, Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Campus de la UAB, Bellaterra, 08193 Barcelona, Spain
| | - Nadia Zine
- Institut de Sciences Analytiques (ISA)-UMR 5280, Université Claude Bernard Lyon 1, 5 Rue de la Doua, 69100 Lyon, France
| | - Joan Bausells
- Institute of Microelectronics of Barcelona (IMB-CNM, CSIC), Campus UAB, Bellaterra, 08193 Barcelona, Spain
| | - Nicole Jaffrezic-Renault
- Institut de Sciences Analytiques (ISA)-UMR 5280, Université Claude Bernard Lyon 1, 5 Rue de la Doua, 69100 Lyon, France
| | - Francesc Teixidor
- Inorganic Materials Laboratory, Institut de Ciencia de Materials de Barcelona (ICMAB-CSIC), Campus de la UAB, Bellaterra, 08193 Barcelona, Spain
| | - Abdelhamid Errachid
- Institut de Sciences Analytiques (ISA)-UMR 5280, Université Claude Bernard Lyon 1, 5 Rue de la Doua, 69100 Lyon, France
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8
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Zhan YC, Tsai JJ, Chen YC. Zinc Ion-Based Switch-on Fluorescence-Sensing Probes for the Detection of Tetracycline. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27238403. [PMID: 36500496 PMCID: PMC9739377 DOI: 10.3390/molecules27238403] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/24/2022] [Accepted: 11/25/2022] [Indexed: 12/05/2022]
Abstract
Tetracycline (TC) is an antibiotic that has been widely used in the animal husbandry. Thus, TC residues may be found in animal products. Developing simple and sensitive methods for rapid screening of TC in complex samples is of great importance. Herein, we demonstrate a fluorescence-sensing method using Zn2+ as sensing probes for the detection of TC. Although TC can emit fluorescence under the excitation of ultraviolet light, its fluorescence is weak because of dynamic intramolecular rotations, leading to the dissipation of excitation energy. With the addition of Zn2+ prepared in tris(hydroxymethyl)amino-methane (Tris), TC can coordinate with Zn2+ in the Zn2+-Tris conjugates to form Tris-Zn2+-TC complexes. Therefore, the intramolecular motions of TC are restricted to reduce nonradiative decay, resulting in the enhancement of TC fluorescence. Aggregation-induced emission effects also play a role in the enhancement of TC fluorescence. Our results show that the linear dynamic range for the detection of TC is 15-300 nM. Moreover, the limit of detection was ~7 nM. The feasibility of using the developed method for determination of the concentration of TC in a complex chicken broth sample is also demonstrated in this work.
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Affiliation(s)
- Yan-Cen Zhan
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Jia-Jen Tsai
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
| | - Yu-Chie Chen
- Department of Applied Chemistry, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
- International College of Semiconductor Technology, National Yang Ming Chiao Tung University, Hsinchu 300, Taiwan
- Correspondence: ; Tel.: +88-(63)-5131527; Fax: +88-(63)-5173764
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9
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Fan Y, Qiao W, Long W, Chen H, Fu H, Zhou C, She Y. Detection of tetracycline antibiotics using fluorescent "Turn-off" sensor based on S, N-doped carbon quantum dots. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 274:121033. [PMID: 35305520 DOI: 10.1016/j.saa.2022.121033] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 02/04/2022] [Accepted: 02/10/2022] [Indexed: 06/14/2023]
Abstract
In recent years, antibiotic residues in food have been of great concern to regulators and consumers. In this study, a novel fluorescent sensor based on S, N-doped carbon quantum dots (S, N-CQDs) was established for rapid detection of tetracycline antibiotics (TCs). Through the internal filter effect (IFE), QDs fluorescence can be effectively quenched by TCs, endowing it an "off" condition. Under the optimal conditions, the TC concentration in the range of 1.88-60 μmol/L had a good linear relationship with the change of QDs fluorescence intensity, and the limit of detection (LOD) was calculated as 0.56 μmol/L (S/N = 3). Furthermore, the proposed "Turn-off" sensor could be employed to quickly and accurately quantify TCs residues even in milk, honey and tap water. The recovery rate was as high as between 93.61% and 102.31%. The established sensor has great application value in the fields of food safety and drug analysis, and provides broad prospects for the future food industry.
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Affiliation(s)
- Yao Fan
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Wenjun Qiao
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, PR China
| | - Wanjun Long
- The Modernization Engineering Technology Research Center of Ethnic Minority Medicine of Hubei Province, School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, PR China
| | - Hengye Chen
- The Modernization Engineering Technology Research Center of Ethnic Minority Medicine of Hubei Province, School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, PR China
| | - Haiyan Fu
- The Modernization Engineering Technology Research Center of Ethnic Minority Medicine of Hubei Province, School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, PR China.
| | - Chunsong Zhou
- The Modernization Engineering Technology Research Center of Ethnic Minority Medicine of Hubei Province, School of Pharmaceutical Sciences, South-Central University for Nationalities, Wuhan 430074, PR China; International Environmental Protection City Technology Limited Company (IEPCT), Yixing 214200, PR China
| | - Yuanbin She
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou 310032, PR China.
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Antibiotic Use in Livestock and Residues in Food-A Public Health Threat: A Review. Foods 2022; 11:foods11101430. [PMID: 35627000 PMCID: PMC9142037 DOI: 10.3390/foods11101430] [Citation(s) in RCA: 38] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/09/2022] [Accepted: 05/12/2022] [Indexed: 01/05/2023] Open
Abstract
The usage of antibiotics has been, and remains, a topic of utmost importance; on the one hand, for animal breeders, and on the other hand, for food safety. Although many countries have established strict rules for using antibiotics in animal husbandry for the food industry, their misuse and irregularities in compliance with withdrawal periods are still identified. In addition to animal-origin foods that may cause antibiotic residue problems, more and more non-animal-origin foods with this type of non-compliance are identified. In this context, we aim to summarize the available information regarding the presence of antibiotic residues in food products, obtained in various parts of the world, as well as the impact of consumption of food with antibiotic residues on consumer health. We also aim to present the methods of analysis that are currently used to determine antibiotic residues in food, as well as methods that are characterized by the speed of obtaining results or by the possibility of identifying very small amounts of residues.
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11
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Theoretical design and experimental study of new aptamers with the enhanced binding affinity relying on colorimetric assay for tetracycline detection. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2021.118196] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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12
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Jia L, Xu Z, Chen R, Chen X, Xu J. Dual-Channel Probe of Carbon Dots Cooperating with Lanthanide Complex Employed for Simultaneously Distinguishing and Sequentially Detecting Tetracycline and Oxytetracycline. NANOMATERIALS (BASEL, SWITZERLAND) 2021; 12:128. [PMID: 35010078 PMCID: PMC8747003 DOI: 10.3390/nano12010128] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Revised: 12/22/2021] [Accepted: 12/27/2021] [Indexed: 02/01/2023]
Abstract
Tetracycline (TC) and oxytetracycline (OTC) are the most widely used broad-spectrum antimicrobial agents in tetracycline drugs, and their structures and properties are very similar, so it is a great challenge to distinguish and detect these two antibiotics with a single probe at the same time. Herein, a dual-channel fluorescence probe (SiCDs@mMIPs-cit-Eu) was developed by integrating two independent reaction sites with SiCDs-doped mesoporous silica molecular imprinting group and europium complex group into a nanomaterial. The synergistic influence of inner filter effect and "antenna effect" can be guaranteed to solve the distinction between TC and OTC. Moreover, this novel strategy can also sequentially detect TC and OTC in buffer solution and real samples with high sensitivity and selectivity. This method revealed good responses to TC and OTC ranging from 0 to 5.5 μM with a detection limit of 5 and 16 nM, respectively. Combined with the smartphone color-scanning application, the portable and cheap paper-based sensor was designed to realize the multi-color visual on-site detection of TC and OTC. In addition, the logic gate device was constructed according to the fluorescence color change of the probe for TC and OTC, which provided the application possibility for the intelligent detection of the probe.
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Affiliation(s)
| | | | | | | | - Jun Xu
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China; (L.J.); (Z.X.); (R.C.); (X.C.)
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13
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Li Y, Wang J, Tian Y, Huang Z, Qian C, Duan Y. The development of a wash-free homogeneous immunoassay method for the detection of tetracycline in environmental samples. Analyst 2021; 146:4918-4926. [PMID: 34250990 DOI: 10.1039/d1an00929j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Antibiotic residues have become the major source of environmental pollutants. In order to monitor tetracycline (TC) in the environment, we have established a highly sensitive and wash-free homogeneous time-resolved immunoassay. This analytical method was based on a rare earth chelate with excellent fluorescence properties. The cryptate organic ligand had good stability and acted as an antenna for Eu3+ excitation. In a homogeneous system, the Eu3+ cryptate complex was used as a label to bind to antibodies. Under the action of immunoaffinity, fluorescent donors and acceptors were close to each other, which induced the FRET effect to produce proportional fluorescence. Under the optimal parameters, the half-inhibitory concentration (IC50) and limit of detection (LOD, IC10) of TC were 0.4188 ng mL-1 and 0.0106 ng mL-1, respectively. The linear range (IC20-IC80) was 0.0273-9.2645 ng mL-1. With the environmental samples, the recovery rate of TC was 84.3-107.2%, and the standard deviation (RSD) was 4.6-12.9%. The results showed the good sensitivity and reliability of the method. Compared with the traditional ELISA, our method has less background interference, only one step was required without the washing procedure, and the detection result can be obtained by 30 min incubation, which improves the detection efficiency. Because of the characteristics of immunoassays, different pollutants can be monitored by changing the antibodies. This method provides an alternative path for detecting environmental pollutants and has the potential to develop into an on-site detection kit.
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Affiliation(s)
- Yinjun Li
- Research Center of Analytical Instrumentation, Northwest University, Xi'an, Shaanxi 710069, China. and Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Jiayu Wang
- Research Center of Analytical Instrumentation, Northwest University, Xi'an, Shaanxi 710069, China. and Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Yonghui Tian
- Research Center of Analytical Instrumentation, Northwest University, Xi'an, Shaanxi 710069, China. and Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Zhijun Huang
- Research Center of Analytical Instrumentation, Northwest University, Xi'an, Shaanxi 710069, China. and Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710069, China
| | - Cheng Qian
- Shaanxi Key Laboratory of Earth Surface System and Environmental Carrying Capacity, College of Urban and Environmental Sciences, Northwest University, Xi'an, 710127, China
| | - Yixiang Duan
- Research Center of Analytical Instrumentation, Northwest University, Xi'an, Shaanxi 710069, China. and Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of Ministry of Education, College of Chemistry & Materials Science, Northwest University, Xi'an, Shaanxi 710069, China
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14
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Zhang Z, Fan Z. Application of cerium–nitrogen co-doped carbon quantum dots to the detection of tetracyclines residues and bioimaging. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106139] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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15
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Liu Z, Hou J, Wang X, Hou C, Ji Z, He Q, Huo D. A novel fluorescence probe for rapid and sensitive detection of tetracyclines residues based on silicon quantum dots. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 240:118463. [PMID: 32521443 DOI: 10.1016/j.saa.2020.118463] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 05/06/2020] [Accepted: 05/07/2020] [Indexed: 06/11/2023]
Abstract
A novel rapid and sensitive fluorescence probe based on silicon quantum dots (Si QDs) fluorescence was fabricated for selective detection of tetracyclines (TCs) residues. Si QDs were innovatively prepared via facile One-Pot Solvent-Free Method and characterized by TEM, FT-IR, UV absorption, fluorescence, XPS and XRD. In aqueous solution, Cu2+ and Si QDs complexed together and the fluorescence of Si QDs quenched (static quenching) to a certain extent. TCs can be early in binding to Cu2+ and prevent Si QDs fluorescence quenching. As a consequence, quantitative screening of TCs can be achieved. The assay is highly selective for TCs. Represented by chlortetracycline (CTC), a member of TCs, under optimized conditions, good linear relationship in the range of 11.32-1086.72 nM was obtained, and the detection limit (LOD; S/N ratio = 3) of this assay for CTC is 0.92 nM. It was successfully applied to the determination of CTC in spiked bee honey and total TCs in actual honey samples. And the evaluation of selectivity, reproducibility and stability of the probe were favorable. These results demonstrated that the presented fluorescent probe can be a promising sensing platform for TCs analysis.
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Affiliation(s)
- Zhenping Liu
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, PR China; Chongqing Vocational Institute of Safety & Technology, Chongqing 404000, PR China
| | - Jingzhou Hou
- Key Laboratory of Eco-Environment of Three Gorges Region of Ministry of Education, Faculty of Urban Construction and Environmental Engineering, Chongqing University, Chongqing 400045, PR China
| | - Xianfeng Wang
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, PR China
| | - Changjun Hou
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, PR China
| | - Zhong Ji
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, PR China
| | - Qiang He
- Key Laboratory of Eco-Environment of Three Gorges Region of Ministry of Education, Faculty of Urban Construction and Environmental Engineering, Chongqing University, Chongqing 400045, PR China.
| | - Danqun Huo
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, PR China; Chongqing Key Laboratory of Bio-perception & Intelligent Information Processing, School of Microelectronics and Communication Engineering, Chongqing University, Chongqing 400044, PR China.
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16
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Liu Z, Hou J, He Q, Luo X, Huo D, Hou C. New application of Mn-doped ZnS quantum dots: phosphorescent sensor for the rapid screening of chloramphenicol and tetracycline residues. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:3513-3522. [PMID: 32672268 DOI: 10.1039/d0ay00961j] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In this work, a new application of Mn-doped ZnS quantum dots (Mn-ZnS QDs) was developed to screen chloramphenicol (CAP) and tetracycline (TC) residues simply and rapidly. Mn-ZnS QDs synthesized by a hydration method and modified by l-cysteine for better stability emit phosphorescence at 583 nm with the excitation wavelength at 289 nm. Based on the overlap of the Mn-ZnS QDs excitation spectra and CAP or TCs ultraviolet spectra, the excited light of the Mn-ZnS QDs was partially absorbed by CAP or TCs owing to the inner-filter effect (IFE), leading to a decrease in the phosphorescence intensity. The phosphorescence intensities of the samples prepared by mixing different TCs and CAP were in good agreement with the expected results from adding a single antibiotic sample. Therefore, the total molar concentrations of CAP and TCs could be screened based on the linear equation of a single standard substance. Represented by tetracycline (TC), as a member of the tetracycline family, under optimized conditions, showed a good linear relational concentration range over 4 orders of magnitude from 50 to 1.5 × 105 nM with a limit of detection (LOD; S/N ratio = 3) down to 8.6 nM. The phosphorescent sensor was also used to detect total TCs in actual samples successfully. The evaluations of the recovery rate and selectivity were good. These results demonstrated that the presented phosphorescent sensor can be a simple and rapid screening platform for CAP and TCs.
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Affiliation(s)
- Zhenping Liu
- Chongqing Vocational Institute of Safety & Technology, Chongqing 404000, P. R. China and Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, P. R. China.
| | - Jingzhou Hou
- Key Laboratory of Eco-environment of Three Gorges Region of Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400045, P. R. China
| | - Qiang He
- Key Laboratory of Eco-environment of Three Gorges Region of Ministry of Education, College of Environment and Ecology, Chongqing University, Chongqing 400045, P. R. China
| | - Xiaogang Luo
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, P. R. China.
| | - Danqun Huo
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, P. R. China. and Chongqing Key Laboratory of Bio-perception & Intelligent Information Processing, School of Microelectronics and Communication Engineering, Chongqing University, Chongqing, 400044, P. R. China
| | - Changjun Hou
- Key Laboratory for Biorheological Science and Technology of Ministry of Education, State and Local Joint Engineering Laboratory for Vascular Implants, Bioengineering College of Chongqing University, Chongqing 400044, P. R. China.
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17
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Hong CY, Zhang XX, Dai CY, Wu CY, Huang ZY. Highly sensitive detection of multiple antibiotics based on DNA tetrahedron nanostructure-functionalized magnetic beads. Anal Chim Acta 2020; 1120:50-58. [PMID: 32475391 DOI: 10.1016/j.aca.2020.04.024] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2019] [Revised: 04/09/2020] [Accepted: 04/10/2020] [Indexed: 01/03/2023]
Abstract
Functional DNAs-functionalized magnetic beads (MBs) offer great potential in bioanalysis field because of their target recognition and magnetic separation functions. However, the recognition capability and hybridization affinity of DNA probes often suffer from limited available space, poor probe conformation and non-selective adsorption. To overcome these limitations, we herein used aptamer-pendant DNA tetrahedron nanostructure-functionalized MBs (TETapt-tet MBs) to develop a target-response fluorescence method with tetracycline (TET) as a model. In the absence of TET, 6-carboxy-X-rhodamine-labeled complementary DNAs (ROX-cDNAs) were assembled on the surface of MBs. Upon the addition of target TET, the ROX-cDNAs were separated and released from the MBs to generate fluorescence signal. The limit of detection and limit of quantification for TET were found to be 6 pg mL-1 and 20 pg mL-1, respectively. Compared with ssDNA-functionalized MBs surface, the designed DNA tetrahedron nanostructure-based surface could decrease the hybridization time and reduce false positives, ensuring the accuracy of TET detection in complex samples. The presented method was successfully employed for TET detection in honey samples. Moreover, this functionalization strategy could be extended to detect multiple antibiotics by simply substituting different aptamer sequences. Therefore, the proposed method has great potential in the field of food safety and public health.
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Affiliation(s)
- Cheng-Yi Hong
- College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China.
| | - Xiao-Xia Zhang
- College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China
| | - Chen-Ying Dai
- College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China
| | - Chen-Yue Wu
- College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China
| | - Zhi-Yong Huang
- College of Food and Biological Engineering, Jimei University, Xiamen, 361021, China; Fujian Collaborative Innovation Center for Exploitation and Utilization of Marine Biological Resources, Xiamen, 361021, China.
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18
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Ahmed S, Ning J, Peng D, Chen T, Ahmad I, Ali A, Lei Z, Abu bakr Shabbir M, Cheng G, Yuan Z. Current advances in immunoassays for the detection of antibiotics residues: a review. FOOD AGR IMMUNOL 2020. [DOI: 10.1080/09540105.2019.1707171] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022] Open
Affiliation(s)
- Saeed Ahmed
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Jianan Ning
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Dapeng Peng
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Ting Chen
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Ijaz Ahmad
- Department of Animal Health, The University of Agriculture, Peshawar, Pakistan
| | - Aashaq Ali
- Wuhan institute of Virology, Chinese Academy of Science, Wuhan, People’s Republic of China
| | - Zhixin Lei
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Muhammad Abu bakr Shabbir
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Guyue Cheng
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, People’s Republic of China
| | - Zonghui Yuan
- National Reference Laboratory of Veterinary Drug Residues (HZAU) and MOA Key Laboratory for the Detection of Veterinary Drug Residues in Foods, Huazhong Agricultural University, Wuhan, People’s Republic of China
- MOA Laboratory for Risk Assessment of Quality and Safety of Livestock and Poultry Products, Huazhong Agricultural University, Wuhan, People’s Republic of China
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19
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Du X, Dong W, Li Z, Wen G, Liu M, Fan X. A novel nanosensor for detecting tetracycline based on fluorescent palladium nanoclusters. NEW J CHEM 2020. [DOI: 10.1039/c9nj06218a] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Tetracycline (TC) is considered one of the most widely used antibiotic medicines, and ranks the second highest in global production and usage among all antibiotics.
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Affiliation(s)
- Xiaoyan Du
- Institute of Environmental Science
- School of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan 030006
- China
| | - Wenxia Dong
- Institute of Environmental Science
- School of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan 030006
- China
| | - Zhongping Li
- Institute of Environmental Science
- School of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan 030006
- China
| | - Guangming Wen
- Institute of Environmental Science
- School of Chemistry and Chemical Engineering
- Shanxi University
- Taiyuan 030006
- China
| | - Meng Liu
- School of Environmental Science and Technology
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education)
- Dalian University of Technology
- Dalian 116024
- China
| | - Xiujun Fan
- Institute of Crystalline Materials
- Shanxi University
- Taiyuan 030006
- China
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20
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Zarei M. Sensitive visible light-driven photoelectrochemical aptasensor for detection of tetracycline using ZrO2/g-C3N4 nanocomposite. SENSORS INTERNATIONAL 2020. [DOI: 10.1016/j.sintl.2020.100029] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
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21
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Wang G, Xia WQ, Liu JX, Wang JP, Liu J. Directional evolution of TetR protein and development of a fluoroimmunoassay for screening of tetracyclines in egg. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104184] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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22
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An aptamer cocktail-based electrochemical aptasensor for direct capture and rapid detection of tetracycline in honey. Microchem J 2019. [DOI: 10.1016/j.microc.2019.104179] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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23
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Meng L, Lan C, Liu Z, Xu N, Wu Y. A novel ratiometric fluorescence probe for highly sensitive and specific detection of chlorotetracycline among tetracycline antibiotics. Anal Chim Acta 2019; 1089:144-151. [PMID: 31627811 DOI: 10.1016/j.aca.2019.08.065] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2019] [Revised: 08/26/2019] [Accepted: 08/27/2019] [Indexed: 12/17/2022]
Abstract
It is of great importance to detect chlorotetracycline (CTC) in a highly sensitive and specific way because of its wide distribution in aquaculture and animal husbandry. Herein, we propose a novel ratiometric fluorescence strategy to assay CTC by using bovine serum albumin stabilized gold nanoclusters (BSA-AuNCs). The BSA-AuNCs consisting of 25 gold atoms (Au25NCs) display a red emission at 640 nm (λex = 370 nm). In the presence of CTC, a new blue emission at 425 nm is emerged and its intensity dramatically increases with the addition of more the analyte; meanwhile the red emission at 640 nm shows a linear decrease reversely. However, at identical conditions neither the analogues of CTC as tetracycline (TC), oxytetracycline (OTC) or doxycycline (DC) induces similar response of BSA-AuNCs. Such interesting phenomenon is proven related to the conversion from large Au25NCs to smaller nanoclusters composing 8 gold atoms (Au8NCs), which intrinsically originate from the interaction between CTC and the ligand BSA. Therefore, a ratiometric probe is established to sensitively detect CTC in the wide range (0.2-10 μM) with a low limit of detection (LOD) at 65 nM. In addition, this strategy can also be applied to assay CTC in human serum, showing great promise for practical applications in future.
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Affiliation(s)
- Lei Meng
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China; College of Mechanical and Electrical Engineering, Jilin Institute of Chemical Technology, Jilin, 132022, China
| | - Chengwu Lan
- College of Materials Science and Engineering, Jilin Institute of Chemical Technology, Jilin, 132022, China
| | - Zhonghu Liu
- College of Materials Science and Engineering, Jilin Institute of Chemical Technology, Jilin, 132022, China
| | - Na Xu
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China; College of Materials Science and Engineering, Jilin Institute of Chemical Technology, Jilin, 132022, China
| | - Yuqing Wu
- State Key Laboratory of Supramolecular Structure and Materials, Institute of Theoretical Chemistry, College of Chemistry, Jilin University, Changchun, 130012, China.
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24
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Lu C, Su Q, Yang X. Ultra-long room-temperature phosphorescent carbon dots: pH sensing and dual-channel detection of tetracyclines. NANOSCALE 2019; 11:16036-16042. [PMID: 31432067 DOI: 10.1039/c9nr03989a] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Currently, the synthesis and applications of room-temperature phosphorescent (RTP) materials are promising, but challenging. Herein, a kind of ultra-long phosphorescent carbon dots (P-CDs) were rapidly prepared through a facile microwave-directed method. In particular, the yellow-green phosphorescence of the P-CDs was observed for up to 9 s, and their fluorescence and phosphorescence were observed at 418 nm and 525 nm, respectively, using the same excitation at 354 nm. Moreover, the RTP intensity of the P-CDs gradually decreased with the increasing pH because of the protonation-dissociated hydrogen bonds and disturbed phosphorescence sources, whereas their fluorescence exhibited general stability over a wide pH range of 2.1-12.68. Significantly, we found that both the fluorescence and the phosphorescence of the P-CDs were quenched by the introduction of tetracyclines (TCs). Specifically, the P-CDs described herein have abundant -COOH and -OH groups on their surfaces, which facilitate the linkage of CDs with TCs, thus resulting in the occurrence of an inner filter effect process (IFE). Moreover, the P-CDs showed potential as an ideal candidate for building up dual-channel assays towards the targets.
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Affiliation(s)
- Chunsong Lu
- College of Pharmaceutical Sciences, Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Ministry of Education), Southwest University, Chongqing 400715, China.
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25
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Xianyu Y, Dong Y, Wang Z, Xu Z, Huang R, Chen Y. Broad-Range Magnetic Relaxation Switching Bioassays Using Click Chemistry-Mediated Assembly of Polystyrene Beads and Magnetic Nanoparticles. ACS Sens 2019; 4:1942-1949. [PMID: 31256590 DOI: 10.1021/acssensors.9b00900] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Magnetic relaxation switching assays with a broad and tunable detection range can greatly improve current magnetic sensors for biochemical detections, but it remains challenging in terms of the limited detection range and low sensitivity. Herein, we report a methodology that uses click chemistry to assemble different sizes of polystyrene beads and magnetic nanoparticles to prepare versatile magnetic probes for broad-range bioassays with high sensitivity. Small magnetic nanoparticles can be controllably assembled on different sizes of polystyrene beads to form core-satellite structures, acting as broad-range probes that enable the magnetic relaxation switching assays with high sensitivity because different sizes of polystyrene beads can conjugate different numbers of small magnetic nanoparticles. On the basis of click chemistry, we assemble polystyrene beads and magnetic nanoparticles to develop a biosensing technique for analyzing three different antibiotics, with a high sensitivity and a tunable detection range from pg/mL to μg/mL.
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Affiliation(s)
- Yunlei Xianyu
- Key Laboratory for Biological Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Beijing 100190, China
| | - Yongzhen Dong
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Zhilong Wang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
| | - Zhenlin Xu
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Riming Huang
- Guangdong Provincial Key Laboratory of Food Quality and Safety, College of Food Science, South China Agricultural University, Guangzhou 510642, China
| | - Yiping Chen
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China
- Key Laboratory for Biological Effects of Nanomaterials and Nanosafety, National Center for Nanoscience and Technology, Beijing 100190, China
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26
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Jia L, Guo S, Xu J, Chen X, Zhu T, Zhao T. A Ratiometric Fluorescent Nano-Probe for Rapid and Specific Detection of Tetracycline Residues Based on a Dye-Doped Functionalized Nanoscaled Metal-Organic Framework. NANOMATERIALS 2019; 9:nano9070976. [PMID: 31277413 PMCID: PMC6669437 DOI: 10.3390/nano9070976] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 06/23/2019] [Accepted: 06/27/2019] [Indexed: 11/16/2022]
Abstract
Tetracycline (TC) residues are harmful to the environment and human body, so it is necessary to develop a highly sensitive probe for rapid detection of tetracycline residues. In the present paper, a novel dye-doped porous metal–organic framework (UiO-66)-based multi-color fluorescent nano-probe was designed for sensitive ratiometric detection of tetracycline (TC). In this probe, dye-molecules doped UiO-66 was used as a fluorescent internal standard, and the externally grafted lanthanide Eu3+ complex was used as response signals. The fluorescence of the Eu3+ complex was selectively enhanced with increasing concentrations of TC, which was accompanied by a visual blue-to-red color switch. The nano-probe had a linear response between 0.1 and 6 μM with a lowest detection limit of 17.9 nM, which was much lower than the maximum residue limits set by the United States Food and Drug Administration (676 nM) and the European Union (225 nM). The applicability of this method in the analysis of actual samples was evaluated by the determination of TC in honey and milk samples, indicating satisfactory recovery and good reproducibility. In addition, a cost-effective paper-based probe for rapid and visual detection of TC was developed by fixing the nano-probe on filter papers. With the help of a smartphone camera to capture the fluorescence color, and chromaticity analysis software, the calculation and analysis of red (R) and blue (B) values can be realized, which has the potential for real-time visual detection of TC.
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Affiliation(s)
- Lei Jia
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China
| | - Shengli Guo
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China
| | - Jun Xu
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China.
| | - Xiangzhen Chen
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China
| | - Tinghui Zhu
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo 454000, China
| | - Tongqian Zhao
- Institute of Resources & Environment, Henan Polytechnic University, Jiaozuo 454000, China.
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27
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Yu L, Chen H, Yue J, Chen X, Sun M, Tan H, Asiri AM, Alamry KA, Wang X, Wang S. Metal–Organic Framework Enhances Aggregation-Induced Fluorescence of Chlortetracycline and the Application for Detection. Anal Chem 2019; 91:5913-5921. [DOI: 10.1021/acs.analchem.9b00319] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Long Yu
- MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China
| | - Hongxia Chen
- MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China
| | - Ji Yue
- MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China
| | - Xinfeng Chen
- MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China
| | - Mingtai Sun
- MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China
- Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031, China
| | - Hua Tan
- College of Chemistry, Guangdong University of Petrochemical Technology, Maoming, 525000, China
| | - Abdullah M. Asiri
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Khalid A. Alamry
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Xiangke Wang
- MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China
| | - Suhua Wang
- MOE Key Laboratory of Resources and Environmental System Optimization, College of Environmental Science and Engineering, North China Electric Power University, Beijing 102206, China
- Institute of Intelligent Machines, Chinese Academy of Sciences, Hefei, Anhui 230031, China
- Chemistry Department, Faculty of Science, King Abdulaziz University, Jeddah, Saudi Arabia
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28
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Xing‐yu L, Jiang‐ning G, Mao D, Di W, Zhuo C, Pin‐hua X, Xiao‐jian G, Qin D, Zhi‐hui S, Xue‐mei Y, Ru‐qing T, Cai‐yun J. Determination of oxytetracycline hydrochloride in milk and egg white samples using Ru(bipy)
3
2+
–Ce(SO
4
)
2
chemiluminescence. LUMINESCENCE 2019; 34:316-323. [DOI: 10.1002/bio.3609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 12/29/2018] [Accepted: 01/06/2019] [Indexed: 11/09/2022]
Affiliation(s)
- Long Xing‐yu
- School of Chemistry and Materials ScienceGuizhou Normal University Guiyang China
- Journal Editorial DepartmentGuizhou Normal University Guiyang China
| | - Gong Jiang‐ning
- School of Chemistry and Materials ScienceGuizhou Normal University Guiyang China
| | - Deng Mao
- Ecological Environmental Monitoring Station of Qianjiang District in Chongqing Chongqing China
| | - Wu Di
- Key Laboratory of Mountain and Environment of Guizhou ProvinceGuizhou Normal University Guiyang China
| | - Chen Zhuo
- School of Chemistry and Materials ScienceGuizhou Normal University Guiyang China
| | - Xia Pin‐hua
- Key Laboratory of Mountain and Environment of Guizhou ProvinceGuizhou Normal University Guiyang China
| | - Gong Xiao‐jian
- Key Laboratory of Mountain and Environment of Guizhou ProvinceGuizhou Normal University Guiyang China
| | - Deng Qin
- Key Laboratory of Mountain and Environment of Guizhou ProvinceGuizhou Normal University Guiyang China
| | - Shi Zhi‐hui
- School of Chemistry and Materials ScienceGuizhou Normal University Guiyang China
| | - Yan Xue‐mei
- School of Chemistry and Materials ScienceGuizhou Normal University Guiyang China
| | - Tian Ru‐qing
- School of Chemistry and Materials ScienceGuizhou Normal University Guiyang China
| | - Jiang Cai‐yun
- School of Engineering and TechnologyJiangsu Vocational Institute of Commerce Nanjing China
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29
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Muurinen J, Pasupulate A, Lappalainen J, Virta M. Field-compatible protocol for detecting tetracyclines with bioluminescent bioreporters without pipetting steps. LUMINESCENCE 2019; 34:249-254. [PMID: 30714300 DOI: 10.1002/bio.3602] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 11/14/2018] [Accepted: 12/31/2018] [Indexed: 11/09/2022]
Abstract
Whole-cell bioreporters are living organisms and thus using them for detecting environmental contaminants would reflect biological effects of these pollutants. However, bioreporters are not widely used in field studies. Many of the bioreporter field protocols are suitable for liquid samples or include pipetting steps, which is a demanding task outside the laboratory. We present a bioreporter protocol without pipetting or sample type requirements. The protocol utilizes polyester swabs, commonly used in cleanroom technology. As an example contaminant, we used tetracycline and generated test samples with known concentrations up to the maximum tetracycline residue limit of milk set by the European Union (EU) regulation. The matrices of the test samples were Milli-Q water, milk and soil. The swabs were first dipped in the bioreporter cell cultures and then to test samples and luminescence was measured after incubation. The standard deviation of measurements from ten replicate swabs was in the same range as commonly in pipetting protocols (4-19%). The test samples with lowest tetracycline concentration (5 ng mL-1 ) were distinguished from the control samples (0 ng mL-1 tetracycline). Our results show that swabs can be used together with luminescent whole cell bioreporters, making it possible to conduct the measurements in field conditions.
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Affiliation(s)
- Johanna Muurinen
- Department of Microbiology, University of Helsinki, Helsinki, Finland
| | | | | | - Marko Virta
- Department of Microbiology, University of Helsinki, Helsinki, Finland
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30
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Guo H, Su Y, Shen Y, Long Y, Li W. In situ decoration of Au nanoparticles on carbon nitride using a single-source precursor and its application for the detection of tetracycline. J Colloid Interface Sci 2019; 536:646-654. [DOI: 10.1016/j.jcis.2018.10.104] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Revised: 10/30/2018] [Accepted: 10/30/2018] [Indexed: 10/28/2022]
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31
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A receptor-based chemiluminescence enzyme linked immunosorbent assay for determination of tetracyclines in milk. Anal Biochem 2019; 564-565:40-46. [DOI: 10.1016/j.ab.2018.10.017] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 10/13/2018] [Accepted: 10/15/2018] [Indexed: 01/24/2023]
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32
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Antibiotic residues in honey: A review on analytical methods by liquid chromatography tandem mass spectrometry. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2018.11.015] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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33
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Yang L, Zhao H, Liu N, Wang W. A target analyte induced fluorescence band shift of piperazine modified carbon quantum dots: a specific visual detection method for oxytetracycline. Chem Commun (Camb) 2019; 55:12364-12367. [DOI: 10.1039/c9cc05406e] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A visual and specific assay of oxytetracycline is realized by inducing a fluorescence band shift of piperazine modified carbon quantum dots.
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Affiliation(s)
- Lei Yang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria
- Tianjin Key Laboratory of Environmental Remediation and Pollution Control
- College of Environmental Science and Engineering
- Nankai University
- Tianjin 300350
| | - Haitong Zhao
- MOE Key Laboratory of Pollution Processes and Environmental Criteria
- Tianjin Key Laboratory of Environmental Remediation and Pollution Control
- College of Environmental Science and Engineering
- Nankai University
- Tianjin 300350
| | - Ning Liu
- MOE Key Laboratory of Pollution Processes and Environmental Criteria
- Tianjin Key Laboratory of Environmental Remediation and Pollution Control
- College of Environmental Science and Engineering
- Nankai University
- Tianjin 300350
| | - Wei Wang
- MOE Key Laboratory of Pollution Processes and Environmental Criteria
- Tianjin Key Laboratory of Environmental Remediation and Pollution Control
- College of Environmental Science and Engineering
- Nankai University
- Tianjin 300350
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34
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Sultana A, Sazawa K, Islam MS, Sugawara K, Kuramitz H. Determination of Tetracycline by Microdroplet Hydrodynamic Adsorptive Voltammetry Using a Multiwalled Carbon Nanotube Paste Rotating Disk Electrode. ANAL LETT 2018. [DOI: 10.1080/00032719.2018.1523911] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Affiliation(s)
- Ayesha Sultana
- Department of Environmental Biology and Chemistry, Graduate School of Science and Engineering for Research, University of Toyama, Toyama, Japan
| | - Kazuto Sazawa
- Department of Environmental Biology and Chemistry, Graduate School of Science and Engineering for Research, University of Toyama, Toyama, Japan
| | - Md. Saiful Islam
- Department of Environmental Biology and Chemistry, Graduate School of Science and Engineering for Research, University of Toyama, Toyama, Japan
| | | | - Hideki Kuramitz
- Department of Environmental Biology and Chemistry, Graduate School of Science and Engineering for Research, University of Toyama, Toyama, Japan
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35
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Cao J, Yao Y, Fan K, Tan G, Xiang W, Xia X, Li S, Wang W, Zhang L. Harnessing a previously unidentified capability of bacterial allosteric transcription factors for sensing diverse small molecules in vitro. SCIENCE ADVANCES 2018; 4:eaau4602. [PMID: 30498782 PMCID: PMC6261655 DOI: 10.1126/sciadv.aau4602] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 10/30/2018] [Indexed: 05/15/2023]
Abstract
A plethora of bacterial allosteric transcription factors (aTFs) have been identified to sense a variety of small molecules. Introduction of a novel aTF-based approach to sense diverse small molecules in vitro will signify a broad series of detection applications. Here, we found that aTFs could interact with their nicked DNA binding sites. Building from this new finding, we designed and implemented a novel aTF-based nicked DNA template-assisted signal transduction system (aTF-NAST) by using the competition between aTFs and T4 DNA ligase to bind to the nicked DNA. This aTF-NAST could reliably and modularly transduce the signal of small molecules recognized by aTFs to the ligated DNA signal, thus enabling the small molecules to be measured via various mature and robust DNA detection methods. Coupling this aTF-NAST with three DNA detection methods, we demonstrated nine novel biosensors for the detection of an antiseptic 4-hydroxybenzoic acid, a disease marker uric acid and an antibiotic tetracycline. These biosensors show impressive sensitivity and robustness in real-life analysis, highlighting the great potential of our aTF-NAST for biosensing applications.
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Affiliation(s)
- Jiaqian Cao
- State Key Laboratory of Microbial Resources and Chinese Academy of Sciences (CAS) Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, CAS, Beijing 100101, P.R. China
| | - Yongpeng Yao
- State Key Laboratory of Microbial Resources and Chinese Academy of Sciences (CAS) Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, CAS, Beijing 100101, P.R. China
| | - Keqiang Fan
- State Key Laboratory of Microbial Resources and Chinese Academy of Sciences (CAS) Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, CAS, Beijing 100101, P.R. China
| | - Gaoyi Tan
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China
| | - Wensheng Xiang
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R. China
| | - Xuekui Xia
- Key Laboratory for Biosensor of Shandong Province, Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Jinan 250013, P.R. China
| | - Shanshan Li
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, P.R. China
- Corresponding author. (L.Z.); (W.W.); (S.L.)
| | - Weishan Wang
- State Key Laboratory of Microbial Resources and Chinese Academy of Sciences (CAS) Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, CAS, Beijing 100101, P.R. China
- Corresponding author. (L.Z.); (W.W.); (S.L.)
| | - Lixin Zhang
- State Key Laboratory of Microbial Resources and Chinese Academy of Sciences (CAS) Key Laboratory of Pathogenic Microbiology and Immunology, Institute of Microbiology, CAS, Beijing 100101, P.R. China
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, P.R. China
- Laboratory for Marine Biology and Biotechnology, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266061, P.R. China
- Corresponding author. (L.Z.); (W.W.); (S.L.)
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36
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Hu C, Xu M, Zhang J, Zhou Y, Hu B, Yu G. Recyclable MoO3
nanobelts for photocatalytic degradation of Rhodamine B by near infrared irradiation. INT J CHEM KINET 2018. [DOI: 10.1002/kin.21223] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Chao Hu
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha China
- Nanomaterials and Nanoproducts Research Center; Chinese Academy of Inspection and Quarantine; Gaobeidian, Chaoyang District Beijing China
| | - Minjie Xu
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha China
| | - Jun Zhang
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha China
| | - Yunong Zhou
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha China
| | - Bonian Hu
- Department of Materials and Chemical Engineering; Hunan Institute of Technology; Hengyang China
| | - Gang Yu
- State Key Laboratory of Chemo/Biosensing and Chemometrics; College of Chemistry and Chemical Engineering; Hunan University; Changsha China
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37
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Miao H, Wang Y, Yang X. Carbon dots derived from tobacco for visually distinguishing and detecting three kinds of tetracyclines. NANOSCALE 2018; 10:8139-8145. [PMID: 29675527 DOI: 10.1039/c8nr02405g] [Citation(s) in RCA: 81] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Although a number of methods to perform assays of tetracyclines using fluorescent probes have been reported, approaches for discriminating and detecting tetracyclines are few. Herein, bright-blue fluorescent carbon dots (CDs) with a quantum yield (QY) of up to ∼27.9% were hydrothermally synthesized using tobacco as the carbon source. Importantly, the as-prepared carbon dots were employed as a fluorescent probe, enabling selective differentiation of three tetracyclines using a test strip and the related quantitative detection. Towards the mechanism, three kinds of tetracyclines showed different interactions with the CDs, leading to variations in their fluorescence emissions. To be specific, the fluorescence of CDs was quenched by tetracycline (TC) without a fluorescence shift (Em = 440 nm), which was caused by an inner filter effect rather than a change in the energy band gap. Moreover, the introduction of chlorotetracycline (CTC) resulted in a blue shift (Em = 415 nm) of the fluorescence of the CD; this phenomenon was induced by the enlarged energy band gap. The CDs also responded to oxytetracycline (OTC), and their corresponding fluorescence experienced a red shift (Em = 500 nm) due to the narrowed band gap. Consequently, a visual detection strategy for three tetracyclines has been proposed based on the quantitative evaluation of TC, OTC, and CTC concentrations in broad range from 6 × 10-6 to 4 × 10-9 M, 2 × 10-6 to 2 × 10-8 M, and 2 × 10-7 to 2 × 10-8 M, respectively. Moreover, we have successfully applied the current CDs for visually distinguishing the three tetracyclines on a test strip on the basis of CDs exhibiting three types of fluorescence (weak-blue, navy-blue, and chartreuse).
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Affiliation(s)
- Hong Miao
- College of Pharmaceutical Sciences, State Key Laboratory of Silkworm Genome Biology, Southwest University, Chongqing 400715, China.
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38
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Pérez-Rodríguez M, Pellerano RG, Pezza L, Pezza HR. An overview of the main foodstuff sample preparation technologies for tetracycline residue determination. Talanta 2018; 182:1-21. [DOI: 10.1016/j.talanta.2018.01.058] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 01/19/2018] [Accepted: 01/20/2018] [Indexed: 12/26/2022]
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39
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Jakšić SM, Ratajac RD, Prica NB, Apić JB, Ljubojević DB, Žekić Stošić MZ, Živkov Baloš MM. Methods of Determination of Antibiotic Residues in Honey. JOURNAL OF ANALYTICAL CHEMISTRY 2018. [DOI: 10.1134/s1061934818040044] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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40
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Jalalian SH, Karimabadi N, Ramezani M, Abnous K, Taghdisi SM. Electrochemical and optical aptamer-based sensors for detection of tetracyclines. Trends Food Sci Technol 2018. [DOI: 10.1016/j.tifs.2018.01.009] [Citation(s) in RCA: 77] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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41
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Development of a SPR aptasensor containing oriented aptamer for direct capture and detection of tetracycline in multiple honey samples. Biosens Bioelectron 2018. [PMID: 29522968 DOI: 10.1016/j.bios.2018.02.051] [Citation(s) in RCA: 79] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Although surface plasmon resonance (SPR) technique and aptamer technology shows great potential in analytical and biological chemistry, direct capture and analysis of small molecules using SPR remains tough. Detection sensitivity of aptasensor and recognition ability of aptamer is limited, because direct immobilization of aptamer causes large steric hindrance and strand entanglement. Herein, we chose a typical small molecule-tetracycline (Mw. 444.4 g/mol) as a model, and combined aptamer technology, DNA nanostructure, and commercial Biacore T200 SPR instrument to develop a straightforward format SPR aptasensor. Anti-tetracycline aptamer (Apt76) was fabricated on the top of a tetrahedron nanostructure to provide a better accessibility to tetracycline than the single-stranded Apt76 (ss-Apt76), and thus to improve sensitivity of the SPR aptasensor. The aptasensor was then validated in real world application for tetracycline screening in multiple honey samples, achieving good recovery rates of 80.20-114.3%, intuitive sensorgrams indicating the binding kinetic properties, and high specificity towards tetracycline. LOD of the tetrahedron-based SPR aptasensor was obtained using the real honey sample and calculated to be 0.0069 μg/kg, which was 10-fold range lower than that of the ss-Apt76-based aptasensor. The proof-of-concept demonstrated that aptamers of small molecules can be oriented immobilized on the SPR surface in a uniform nanoscale distance in both lateral and vertical direction, so as to achieve better conformational folding and better accessibility to small molecules. The concept is promising to be a universal and powerful tool for other ligand immobilization and SPR studies for both real world detection and molecular interaction.
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42
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Xu J, Shen X, Jia L, Zhou T, Ma T, Xu Z, Cao J, Ge Z, Bi N, Zhu T, Guo S, Li X. A novel visual ratiometric fluorescent sensing platform for highly-sensitive visual detection of tetracyclines by a lanthanide- functionalized palygorskite nanomaterial. JOURNAL OF HAZARDOUS MATERIALS 2018; 342:158-165. [PMID: 28826058 DOI: 10.1016/j.jhazmat.2017.08.020] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 08/02/2017] [Accepted: 08/08/2017] [Indexed: 06/07/2023]
Abstract
A palygorskite (Pal)-based ratiometric fluorescent nanoprobe is designed in order to establish a real time, on-site visual, and highly sensitive detection method for tetracyclines (TCs). The nanoprobe comprises the green emissive dye molecules embedded in the natural Pal, which serve as the internal reference signal. The potential red-emissive seed-europium (Eu3+) ions are covalently bound on the surface of modified Pal, and they can act as the specific recognition element. The emission intensity of Eu3+ ions significantly increases upon TC addition. The nanoprobe fluorescence changes from green to yellow, orange, or red, thereby accomplishing the visual ratiometric fluorescent detection. This nanoprobe exhibits a high sensitivity with a detection limit of 7.1nM and an excellent selectivity in monitoring the levels of TCs in milk samples. In addition, this nanoprobe is useful for quantitative determination of TCs, and it is not affected with intensity fluctuations due to instrumental or environmental factors. The nanoprobe-immobilized test paper realizes real-time TCs analysis by using a smartphone with an easy-to-access color-scanning APP as the detection platform. Moreover, the reported construction of visual ratiometric detection system follows the sustainable development idea, that is, from nature, for nature, and into the nature.
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Affiliation(s)
- Jun Xu
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China
| | - Xiaoke Shen
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China
| | - Lei Jia
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China.
| | - Tao Zhou
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China
| | - Tieliang Ma
- The Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, 214200, China
| | - Zhouqing Xu
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China
| | - Jianliang Cao
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China
| | - Zhijun Ge
- The Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, 214200, China
| | - Ning Bi
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China
| | - Taofeng Zhu
- The Affiliated Yixing Hospital of Jiangsu University, Yixing, Jiangsu, 214200, China.
| | - Shengli Guo
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China
| | - Xiaohui Li
- College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan, 454000, China
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43
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Ma Z, Zhuang H. A Highly Sensitive Real-time Immuno-PCR Assay for Detecting Benzo[a]pyrene in Food Samples by Application of Biotin-Streptavidin System. FOOD ANAL METHOD 2017. [DOI: 10.1007/s12161-017-1046-4] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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44
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Kim S, Lee HJ. Gold Nanostar Enhanced Surface Plasmon Resonance Detection of an Antibiotic at Attomolar Concentrations via an Aptamer-Antibody Sandwich Assay. Anal Chem 2017; 89:6624-6630. [PMID: 28520392 DOI: 10.1021/acs.analchem.7b00779] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
A new sandwich assay for tetracycline (TC) involving a DNA aptamer and antibody pair is demonstrated in conjunction with gold nanostar (GNS) enhanced surface plasmon resonance (SPR) to achieve detection in the low attomolar range. GNS particles were covalently functionalized with the antibody probe (antiTC) and integrated into a surface sandwich assay in conjunction with a SPR gold chip modified with the TC-specific aptamer. After it was demonstrated that both affinity probes can bind simultaneously to TC, optimization of the assay was performed using either antiTC only or GNS-antiTC conjugates to interact with aptamer/TC complexes present on the chip surface. Target concentrations as low as 10 aM could be detected using GNS-antiTC's, which was >103 times greater in performance than when using antiTC only. In addition, good selectivity was achieved with respect to other tetracycline derivative antibiotics, such as oxytetracycline (OTC) and chlortetracycline (CTC), both which are structurally similar to TC. As a demonstration of trace antibiotic analysis in environmental samples, the GNS enhanced sandwich assay was applied to analyze TC added to aliquots of local river water and the results validated by comparing to conventional high-performance liquid chromatography (HPLC) analysis.
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Affiliation(s)
- Suhee Kim
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University , 80 Daehakro, Buk-gu, Daegu-city, 41566, Republic of Korea
| | - Hye Jin Lee
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University , 80 Daehakro, Buk-gu, Daegu-city, 41566, Republic of Korea
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45
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Han M, Wang L, Li S, Bai L, Zhou Y, Sun Y, Huang H, Li H, Liu Y, Kang Z. High-bright fluorescent carbon dot as versatile sensing platform. Talanta 2017; 174:265-273. [PMID: 28738577 DOI: 10.1016/j.talanta.2017.05.067] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Revised: 05/12/2017] [Accepted: 05/23/2017] [Indexed: 01/02/2023]
Abstract
The surface functionalization will introduce additional functional groups on carbon dots (CDs) surface and then enrich the properties of CDs. Here, we show the various surface functionalized CDs (-COOH, -OH, -SH, -NH2, etc, named as NS-CDs) were synthesized with fascinating features, including high quantum efficiency (38.9%), long-term stability and good biocompatibility. Notably, it can serve as multifunction fluorescent probe in sensing system, including label-free detections in hydrogen peroxide (H2O2) with a wide linear range (1.20 × 10-3 - 8.80 × 10-12M) and a low limit of detection (LOD, 1.00 × 10-12M); and glutathione, covering a concentration range of 2.00 × 10-3 - 1.00 × 10-7M and LOD of 1.00 × 10-7M. In addition, the NS-CDs as fluorescent probe could selectively detect metal ions (such as, Hg2+, 1.00 × 10-8 - 1.50 × 10-3M, 1.00 × 10-7M), antibiotics (tetracycline, 1.00 ×10-10 - 2.50 × 10-5M, 1.00 ×10-10M) and toxic pollutant (nitrobenzene, 5.00 × 10-7 to 1.00 × 10-3gL-1, 5.00 × 10-7gL-1) with wide linear range and satisfactory detection limits.
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Affiliation(s)
- Mumei Han
- Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
| | - Liping Wang
- Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
| | - Siheng Li
- Department of Mechanical Engineering, National University of Singapore, Singapore 117576, Singapore
| | - Liang Bai
- Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
| | - Yunjie Zhou
- Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
| | - Yue Sun
- Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China
| | - Hui Huang
- Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China.
| | - Hao Li
- Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China.
| | - Yang Liu
- Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China.
| | - Zhenhui Kang
- Jiangsu Key Laboratory for Carbon-based Functional Materials and Devices, Institute of Functional Nano and Soft Materials (FUNSOM), Soochow University, Suzhou 215123, China.
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46
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Malik AH, Iyer PK. Conjugated Polyelectrolyte Based Sensitive Detection and Removal of Antibiotics Tetracycline from Water. ACS APPLIED MATERIALS & INTERFACES 2017; 9:4433-4439. [PMID: 28094507 DOI: 10.1021/acsami.6b13949] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
A new conjugated polyelectrolyte poly[5,5'-(((2-phenyl-9H-fluorene-9,9-diyl)bis(hexane-6,1-diyl))bis(oxy))diisophthalate] sodium (PFPT) was synthesized via the palladium-catalyzed Suzuki cross-coupling polymerization method and successfully applied for the rapid, real time, and highly sensitive detection of antibiotics tetracycline (Tc) in 100% aqueous media via photoinduced electron transfer with detection limit in the ppb level. Remarkably, PFPT could also be applied for the trace analysis of Tc in serum samples having recoveries well in the range 92-97% with relative standard deviations (RSD) of 1.01-1.14%, confirming reliability of the present method for the analysis of Tc. Additionally, PFPT was blended with the abundant natural polysaccharide chitosan to form CS-PFPT composite films and developed as a biopolymer based membrane for the removal of Tc from water samples with a good adsorption capacity of 3.12 mg g-1, thus finding vital application in the treatment of antibiotic infested wastewater.
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Affiliation(s)
- Akhtar Hussain Malik
- Department of Chemistry and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati , Guwahati 781039, India
| | - Parameswar Krishnan Iyer
- Department of Chemistry and ‡Centre for Nanotechnology, Indian Institute of Technology Guwahati , Guwahati 781039, India
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47
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Song J, Li J, Guo Z, Liu W, Ma Q, Feng F, Dong C. A novel fluorescent sensor based on sulfur and nitrogen co-doped carbon dots with excellent stability for selective detection of doxycycline in raw milk. RSC Adv 2017. [DOI: 10.1039/c7ra01074e] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Sulfur and nitrogen co-doped carbon dots obtained from casein exhibited excellent sensitivity and selectivity for the detection of doxycycline.
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Affiliation(s)
- Jinping Song
- Institute of Environmental Science
- Shanxi University
- Taiyuan
- China
- College of Chemistry and Environmental Engineering, and Institute of Applied Chemistry
| | - Jing Li
- School of Chemistry and Material Science
- Shanxi Normal University
- Linfen
- China
| | - Ziying Guo
- College of Chemistry and Environmental Engineering, and Institute of Applied Chemistry
- Shanxi Datong University
- Datong
- China
| | - Wen Liu
- College of Chemistry and Environmental Engineering, and Institute of Applied Chemistry
- Shanxi Datong University
- Datong
- China
| | - Qi Ma
- College of Chemistry and Environmental Engineering, and Institute of Applied Chemistry
- Shanxi Datong University
- Datong
- China
| | - Feng Feng
- Institute of Environmental Science
- Shanxi University
- Taiyuan
- China
- College of Chemistry and Environmental Engineering, and Institute of Applied Chemistry
| | - Chuan Dong
- Institute of Environmental Science
- Shanxi University
- Taiyuan
- China
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48
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Li Z, Li Z, Zhao D, Wen F, Jiang J, Xu D. Smartphone-based visualized microarray detection for multiplexed harmful substances in milk. Biosens Bioelectron 2017; 87:874-880. [DOI: 10.1016/j.bios.2016.09.046] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2016] [Revised: 09/04/2016] [Accepted: 09/13/2016] [Indexed: 11/24/2022]
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49
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Liu Y, Yan K, Zhang J. Graphitic Carbon Nitride Sensitized with CdS Quantum Dots for Visible-Light-Driven Photoelectrochemical Aptasensing of Tetracycline. ACS APPLIED MATERIALS & INTERFACES 2016; 8:28255-28264. [PMID: 26574640 DOI: 10.1021/acsami.5b08275] [Citation(s) in RCA: 89] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Graphitic carbon nitride (g-C3N4) is a new type of metal-free semiconducting material with promising applications in photocatalytic and photoelectrochemical (PEC) devices. In the present work, g-C3N4 coupled with CdS quantum dots (QDs) was synthesized and served as highly efficient photoactive species in a PEC sensor. The surface morphological analysis showed that CdS QDs with a size of ca. 4 nm were grafted on the surface of g-C3N4 with closely contacted interfaces. The UV-visible diffuse reflection spectra (DRS) indicated that the absorption of g-C3N4 in the visible region was enhanced by CdS QDs. As a result, g-C3N4-CdS nanocomposites demonstrated higher PEC activity as compared with either pristine g-C3N4 or CdS QDs. When g-C3N4-CdS nanocomposites were utilized as transducer and tetracycline (TET)-binding aptamer was immobilized as biorecognition element, a visible light-driven PEC aptasensing platform for TET determination was readily fabricated. The sensor showed a linear PEC response to TET in the concentration range from 10 to 250 nM with a detection limit (3S/N) of 5.3 nM. Thus, g-C3N4 sensitized with CdS QDs was successfully demonstrated as useful photoactive nanomaterials for developing a highly sensitive and selective PEC aptasensor.
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Affiliation(s)
- Yong Liu
- Key Laboratory for Large-Format Battery Materials and System (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology , Luoyu Road 1037, Wuhan 430074, P. R. China
| | - Kai Yan
- Key Laboratory for Large-Format Battery Materials and System (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology , Luoyu Road 1037, Wuhan 430074, P. R. China
| | - Jingdong Zhang
- Key Laboratory for Large-Format Battery Materials and System (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology , Luoyu Road 1037, Wuhan 430074, P. R. China
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50
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Taghdisi SM, Danesh NM, Ramezani M, Abnous K. A novel M-shape electrochemical aptasensor for ultrasensitive detection of tetracyclines. Biosens Bioelectron 2016; 85:509-514. [PMID: 27213268 DOI: 10.1016/j.bios.2016.05.048] [Citation(s) in RCA: 97] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2016] [Revised: 05/09/2016] [Accepted: 05/14/2016] [Indexed: 11/25/2022]
Abstract
Analytical techniques for detection and quantitation of tetracyclines in food products are greatly in demand. In this study, a novel electrochemical aptasensor was designed for ultrasensitive and selective detection of tetracyclines, based on M-shape structure of aptamer (Apt)-complementary strands of aptamer (CSs) complex, exonuclease I (Exo I) and gold electrode. The aptasensor was developed to make a noticeable electrochemical difference in the absence and presence of tetracycline. In the absence of tetracycline, the M-shape structure, which acts as a gate and barrier for the access of redox probe to the surface of gold electrode remains intact, leading to a weak electrochemical signal. Upon addition of tetracycline, Apt leaves CSs, resulting in disassembly of M-shape structure and following the addition of Exo I, a strong electrochemical signal was observed. The developed analytical assay indicated high selectivity toward tetracycline with a limit of detection (LOD) as low as 450 pM. Moreover, the designed aptasensor was effectively used for the detection of tetracycline in milk and serum samples with LODs of 740 and 710 pM, respectively.
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Affiliation(s)
- Seyed Mohammad Taghdisi
- Targeted Drug Delivery Research Center, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Noor Mohammad Danesh
- Nanotechnology Research Center, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran; Research Institute of Sciences and New Technology, Mashhad, Iran
| | - Mohammad Ramezani
- Nanotechnology Research Center, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Khalil Abnous
- Pharmaceutical Research Center, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran.
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