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Zhang S, Peng Q, Jiang N, Qiao C, Li S, Yue W. Peroxidase-like activity and mechanism of gold nanoparticle-modified Ti 3C 2 MXenes for the construction of H 2O 2 and ampicillin colorimetric sensors. Mikrochim Acta 2024; 191:195. [PMID: 38478128 DOI: 10.1007/s00604-024-06263-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2023] [Accepted: 02/13/2024] [Indexed: 03/17/2024]
Abstract
Transition metal carbides modified by Au nanoparticles (Au/Ti3C2) were synthesized and developed as a colorimetric sensor for the determination of H2O2 and ampicillin. The surface electrical properties of Ti3C2 were changed, and Au nanoparticles (AuNPs) and gold growth solution were synthesized simultaneously. Au/Ti3C2 was obtained by seed growth method with AuNPs modified on the surface of transition metal carbides, nitrides or carbon-nitrides (Ti3C2 MXenes). The synthesized AuNPs and Ti3C2 had no peroxidase-like activity, but Au/Ti3C2 had. The peroxidase catalytic mechanism was due to electron transfer. The peroxidase activity of Au/Ti3C2 can be utilized for the determination of H2O2. The linear range of Au/Ti3C2 for H2O2 was 1-60 µM, and the detection limit was 0.12 µM (S/N = 3). A colometric sensor for ampicillin detection based on Au/Ti3C2 was further constructed since S in ampicillin formed an Au-S bond with Au/Ti3C2, leading to the weakening of its peroxidase-like property. The change of peroxidase-like property attenuated oxidation of TMB, and the ampicillin content was inversely proportional to the concentration of oxidized TMB, and the blue color of solution faded, which enabled the determination of ampicillin. The linear range for ampicillin was 0.005-0.5 µg mL- 1, and the detection limit was 1.1 ng mL- 1 (S/N = 3). The sensor was applied to the detection of ampicillin in milk and human serum.
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Affiliation(s)
- Shuqi Zhang
- Department of Chemistry, Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Chunhua Street, Jiangning District, Nanjing, 211198, People's Republic of China
| | - Qiang Peng
- Department of Chemistry, Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Chunhua Street, Jiangning District, Nanjing, 211198, People's Republic of China
| | - Nian Jiang
- Department of Chemistry, Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Chunhua Street, Jiangning District, Nanjing, 211198, People's Republic of China
| | - Cairong Qiao
- Department of Chemistry, Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Chunhua Street, Jiangning District, Nanjing, 211198, People's Republic of China
| | - Shuaiwen Li
- Department of Chemistry, Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Chunhua Street, Jiangning District, Nanjing, 211198, People's Republic of China
| | - Wanqing Yue
- Department of Chemistry, Key Laboratory of Biomedical Functional Materials, School of Science, China Pharmaceutical University, 639 Longmian Avenue, Chunhua Street, Jiangning District, Nanjing, 211198, People's Republic of China.
- Key Laboratory of Drug Quality Control and Pharmacovigilance (China Pharmaceutical University), Ministry of Education, 639 Longmian Avenue, Chunhua Street, Jiangning District, Nanjing, 211198, People's Republic of China.
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Xu Y, Wang H, Bai Q, Ma S, Bo C, Ou J. Selective adsorption and identification of penicillin G sodium in milk by molecularly imprinted polymer doped carbon dot. Mikrochim Acta 2024; 191:186. [PMID: 38451316 DOI: 10.1007/s00604-024-06269-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 02/18/2024] [Indexed: 03/08/2024]
Abstract
A carbon dot (CD) was prepared by o-phenylenediamine and water, which showed bright yellow fluorescence under ultraviolet light irradiation (λ = 580 nm), and verified good fluorescence quenching effect on penicillin G sodium (Png-Na). Using methacrylic acid as a functional monomer, ethylene glycol dimethacrylate as a crosslinker, and Png-Na as a template, a kind of composite microsphere combining CD and molecularly imprinted polymer (MIP) was synthesized by surface-initiated atomic transfer radical polymerization (SI-ATRP). For reasons of comparison, we also prepared MIP without CD and non-imprinted polymers (NIPs). Through static and dynamic adsorption experiments, the maximum adsorption capacity was 47.05 mg g-1 and the equilibrium time was 30 min. High-performance liquid chromatography (HPLC) was utilized to determine the content of Png-Na in the spiked milk samples. A sensitive, rapid, and simple method for determination of Png-Na in food samples was developed. The utilized approach enabled the quantification of Png-Na within the concentration range 20-1000 μg L-1 (with a limit of detection of 5 μg L-1). The recoveries achieved were in the range 93.3-98.2%, with a relative standard deviation of 1.2-4.2%. The results demonstrated that CD@MIP possessed the capability of specific adsorption and fluorescence detection of Png-Na, enabling simultaneous detection and enrichment of Png-Na in real samples.
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Affiliation(s)
- Yi Xu
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University, Yinchuan, 750021, China
| | - Haiping Wang
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University, Yinchuan, 750021, China
| | - Qingyan Bai
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University, Yinchuan, 750021, China
| | - Shujuan Ma
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China
| | - Chunmiao Bo
- School of Chemistry and Chemical Engineering, Key Laboratory for Chemical Engineering and Technology, State Ethnic Affairs Commission, North Minzu University, Yinchuan, 750021, China.
| | - Junjie Ou
- College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, China.
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
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Gao Y, Wang Y. Interplay of graphene-DNA interactions: Unveiling sensing potential of graphene materials. APPLIED PHYSICS REVIEWS 2024; 11:011306. [PMID: 38784221 PMCID: PMC11115426 DOI: 10.1063/5.0171364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/25/2024]
Abstract
Graphene-based materials and DNA probes/nanostructures have emerged as building blocks for constructing powerful biosensors. Graphene-based materials possess exceptional properties, including two-dimensional atomically flat basal planes for biomolecule binding. DNA probes serve as excellent selective probes, exhibiting specific recognition capabilities toward diverse target analytes. Meanwhile, DNA nanostructures function as placement scaffolds, enabling the precise organization of molecular species at nanoscale and the positioning of complex biomolecular assays. The interplay of DNA probes/nanostructures and graphene-based materials has fostered the creation of intricate hybrid materials with user-defined architectures. This advancement has resulted in significant progress in developing novel biosensors for detecting DNA, RNA, small molecules, and proteins, as well as for DNA sequencing. Consequently, a profound understanding of the interactions between DNA and graphene-based materials is key to developing these biological devices. In this review, we systematically discussed the current comprehension of the interaction between DNA probes and graphene-based materials, and elucidated the latest advancements in DNA probe-graphene-based biosensors. Additionally, we concisely summarized recent research endeavors involving the deposition of DNA nanostructures on graphene-based materials and explored imminent biosensing applications by seamlessly integrating DNA nanostructures with graphene-based materials. Finally, we delineated the primary challenges and provided prospective insights into this rapidly developing field. We envision that this review will aid researchers in understanding the interactions between DNA and graphene-based materials, gaining deeper insight into the biosensing mechanisms of DNA-graphene-based biosensors, and designing novel biosensors for desired applications.
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Affiliation(s)
- Yanjing Gao
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Yichun Wang
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA
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4
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Nucera A, Grillo R, Rizzuto C, Barberi RC, Castriota M, Bürgi T, Caputo R, Palermo G. Effect of the Combination of Gold Nanoparticles and Polyelectrolyte Layers on SERS Measurements. BIOSENSORS 2022; 12:bios12100895. [PMID: 36291032 PMCID: PMC9599540 DOI: 10.3390/bios12100895] [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: 09/06/2022] [Revised: 10/11/2022] [Accepted: 10/17/2022] [Indexed: 06/02/2023]
Abstract
In this study, polyelectrolyte (PE) layers are deposited on substrates made by glass covered with an array of gold nanoparticles (GNPs). In particular, the samples studied have 0 PE layers (GGPE0), 3 PE layers (GGPE3), 11 PE layers (GGPE11), and 21 PE layers (GGPE21). All samples have been studied by micro-Raman spectroscopy. An acetic acid solution (10% v/v) has been used as a standard solution in order to investigate the SERS effect induced by different numbers of PE layers in each sample. The Surface Enhancement Raman Spectroscopy (SERS) effect correlating to the number of PE layers deposited on the samples has been shown. This effect is explained in terms of an increase in the interaction between the photon of the laser source and the plasmonic band of the GNPs due to a change of the permittivity of the surrounding medium around the GNPs. The trends of the ratios of the intensities of the Raman bands of the acetic acid solution (acetic acid and water molecules) on the band at 1098 cm-1 ascribed to the substrates increase, and the number of PE layers increases.
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Affiliation(s)
- Antonello Nucera
- Department of Physics, University of Calabria, Via Ponte Bucci, Cubo 31C, 87036 Rende, Cosenza, Italy
- CNR-Nanotec, Via Ponte Bucci, Cubo 33C, 87036 Rende, Cosenza, Italy
| | - Rossella Grillo
- Department of Physical Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211 Geneva, Switzerland
| | - Carmen Rizzuto
- Department of Physics, University of Calabria, Via Ponte Bucci, Cubo 31C, 87036 Rende, Cosenza, Italy
- CNR-Nanotec, Via Ponte Bucci, Cubo 33C, 87036 Rende, Cosenza, Italy
| | - Riccardo Cristoforo Barberi
- Department of Physics, University of Calabria, Via Ponte Bucci, Cubo 31C, 87036 Rende, Cosenza, Italy
- CNR-Nanotec, Via Ponte Bucci, Cubo 33C, 87036 Rende, Cosenza, Italy
| | - Marco Castriota
- Department of Physics, University of Calabria, Via Ponte Bucci, Cubo 31C, 87036 Rende, Cosenza, Italy
- CNR-Nanotec, Via Ponte Bucci, Cubo 33C, 87036 Rende, Cosenza, Italy
| | - Thomas Bürgi
- Department of Physical Chemistry, University of Geneva, 30 Quai Ernest-Ansermet, 1211 Geneva, Switzerland
| | - Roberto Caputo
- Department of Physics, University of Calabria, Via Ponte Bucci, Cubo 31C, 87036 Rende, Cosenza, Italy
- CNR-Nanotec, Via Ponte Bucci, Cubo 33C, 87036 Rende, Cosenza, Italy
| | - Giovanna Palermo
- Department of Physics, University of Calabria, Via Ponte Bucci, Cubo 31C, 87036 Rende, Cosenza, Italy
- CNR-Nanotec, Via Ponte Bucci, Cubo 33C, 87036 Rende, Cosenza, Italy
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5
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Liu C, Xu D, Dong X, Huang Q. A review: Research progress of SERS-based sensors for agricultural applications. Trends Food Sci Technol 2022. [DOI: 10.1016/j.tifs.2022.07.012] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/15/2022]
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6
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7
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Gawrońska M, Kowalik M, Makowski M. Recent advances in medicinal chemistry of ampicillin: Derivatives, metal complexes, and sensing approaches. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116691] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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8
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Sheikholeslami MN, Hamidipanah Y, Salehnia F, Arshian S, Hosseini M, Ganjali MR. Multiplex Detection of Antibiotic Residues in Milk: Application of MCR-ALS on Excitation-Emission Matrix Fluorescence (EEMF) Data Sets. Anal Chem 2022; 94:6206-6215. [PMID: 35427127 DOI: 10.1021/acs.analchem.1c05592] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The presence of antibiotics and their metabolites in milk and dairy products is a serious concern because of their harmful effects on human health. In the current study, a novel synergistic bimetallic nanocluster with gold and silver as an emission fluorescence probe was investigated for the simultaneous determination of tetracycline (TC), ampicillin (AMP), and sulfacetamide (SAC) antibiotics in the milk samples using excitation-emission matrix fluorescence (EEMF) spectroscopy. The multivariate curve resolution-alternating least squares (MCR-ALS) method was implemented to analyze augmented EEMF data sets to quantify the multicomponent systems in the presence of interferences with considerable spectral overlap. A pseudo-univariate calibration curve of the resolved emission spectra intensity against the concentration of the mentioned antibiotics was linear in the range of 5-5000 ng mL-1 for AMP and 50-5000 ng mL-1 for TC and SAC. The calculated values of the limit of detection ranged between 1.4 and 14.6 ng mL-1 with a relative standard deviation (RSD) of less than 4.9%. The obtained results show that the EEMF/MCR-ALS methodology using an emission fluorescence probe is a powerful tool for the simultaneous quantification of TC, AMP, and SAC in complex matrices with highly overlapped spectra.
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Affiliation(s)
- Mahsa N Sheikholeslami
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran 1439817435, Iran
| | - Yalda Hamidipanah
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran 1439817435, Iran
| | - Foad Salehnia
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran 1439817435, Iran
| | - Shayesteh Arshian
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran 1439817435, Iran
| | - Morteza Hosseini
- Nanobiosensors Lab, Department of Life Science Engineering, Faculty of New Sciences & Technologies, University of Tehran, Tehran 1439817435, Iran
| | - Mohammad Reza Ganjali
- Center of Excellence in Electrochemistry, School of Chemistry, College of Science, University of Tehran, Tehran 1439817435, Iran
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9
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Liang JF, Peng C, Li P, Ye QX, Wang Y, Yi YT, Yao ZS, Chen GY, Zhang BB, Lin JJ, Luo Q, Chen X. A Review of Detection of Antibiotic Residues in Food by Surface-Enhanced Raman Spectroscopy. Bioinorg Chem Appl 2021; 2021:8180154. [PMID: 34777490 PMCID: PMC8589529 DOI: 10.1155/2021/8180154] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 10/20/2021] [Indexed: 11/17/2022] Open
Abstract
Antibiotics, as veterinary drugs, have made extremely important contributions to disease prevention and treatment in the animal breeding industry. However, the accumulation of antibiotics in animal food due to their overuse during animal feeding is a frequent occurrence, which in turn would cause serious harm to public health when they are consumed by humans. Antibiotic residues in food have become one of the central issues in global food safety. As a safety measure, rapid and effective analytical approaches for detecting these residues must be implemented to prevent contaminated products from reaching the consumers. Traditional analytical methods, such as liquid chromatography, liquid chromatography mass spectrometry, and capillary electrophoresis, involve time-consuming sample preparation and complicated operation and require expensive instrumentation. By comparison, surface-enhanced Raman spectroscopy (SERS) has excellent sensitivity and remarkably enhanced target recognition. Thus, SERS has become a promising alternative analytical method for detecting antibiotic residues, as it can provide an ultrasensitive fingerprint spectrum for the rapid and noninvasive detection of trace analytes. In this study, we comprehensively review the recent progress and advances that have been achieved in the use of SERS in antibiotic residue detection. We introduce and discuss the basic principles of SERS. We then present the prospects and challenges in the use of SERS in the detection of antibiotics in food. Finally, we summarize and discuss the current problems and future trends in the detection of antibiotics in food.
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Affiliation(s)
- Jun-Fa Liang
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Cheng Peng
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Peiyu Li
- Department of Forensic Toxicology, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Qiu-Xiong Ye
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Yu Wang
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Yun-Ting Yi
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Zi-Sheng Yao
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Gui-Yun Chen
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Bin-Bin Zhang
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Jia-Jian Lin
- Guangzhou Institute of Food Inspection, Guangzhou, China
| | - Qizhi Luo
- Department of Forensic Toxicology, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
| | - Xuncai Chen
- Department of Forensic Toxicology, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
- Guangzhou Key Laboratory of Forensic Multi-Omics for Precision Identification, School of Forensic Medicine, Southern Medical University, Guangzhou 510515, China
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Wang Y, Chen H, Jiang L. A highly reproducible SERS sensor based on an Au nanoparticles/graphene oxide hybrid nanocomposite for label-free quantitative detection of antibiotics. Analyst 2021; 146:5740-5746. [PMID: 34515704 DOI: 10.1039/d1an01185e] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Ampicillin and nitrofurantoin, as broad-spectrum antibiotics, are widely used in the prevention of animal diseases and to ensure livestock growth. Large amounts of antibiotic residues exist in animal-derived foods, affecting food quality and safety, causing adverse side effects, such as allergic and toxic reactions, and increasing bacterial resistance. A sensitive surface enhanced Raman scattering (SERS) sensor is provided to detect low-concentration antibiotics (ampicillin and nitrofurantoin). The sensor is based on an Au nanoparticles/graphene oxide hybrid nanocomposite prepared by an in situ reduction method. The detection limits of ampicillin and nitrofurantoin are as low as 0.01 ng mL-1 and 5 ng mL-1, respectively. The relative spectral intensity of the nitrofurantoin characteristic peak has a good linear relationship with the concentration of nitrofurantoin in the range of 500 ng mL-1 and 5 ng mL-1 (R2 = 0.99235). The structure also allows multi-sample measurement for a variety of antibiotics at the same time. The SERS sensor is easy to prepare, with high uniformity and reproducibility, and the sample does not require complex pretreatment and preparation. Sensitive and quantitative detection of antibiotics by the SERS sensor is of great interest in the fields of health care, food preparation, and environmental sampling.
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Affiliation(s)
- Yan Wang
- School of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China.
| | - Huacai Chen
- School of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China.
| | - Li Jiang
- School of Optical and Electronic Technology, China Jiliang University, Hangzhou 310018, China.
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MoS 2/PPy Nanocomposite as a Transducer for Electrochemical Aptasensor of Ampicillin in River Water. BIOSENSORS-BASEL 2021; 11:bios11090311. [PMID: 34562901 PMCID: PMC8466510 DOI: 10.3390/bios11090311] [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: 07/30/2021] [Revised: 08/24/2021] [Accepted: 08/27/2021] [Indexed: 11/16/2022]
Abstract
We report the design of an electrochemical aptasensor for ampicillin detection, which is an antibiotic widely used in agriculture and considered to be a water contaminant. We studied the transducing potential of nanostructure composed of MoS2 nanosheets and conductive polypyrrole nanoparticles (PPyNPs) cast on a screen-printed electrode. Fine chemistry is developed to build the biosensors entirely based on robust covalent immobilizations of naphthoquinone as a redox marker and the aptamer. The structural and morphological properties of the nanocomposite were studied by SEM, AFM, and FT-IR. High-resolution XPS measurements demonstrated the formation of a binding between the two nanomaterials and energy transfer affording the formation of heterostructure. Cyclic voltammetry and electrochemical impedance spectroscopy were used to analyze their electrocatalytic properties. We demonstrated that the nanocomposite formed with PPyNPs and MoS2 nanosheets has electro-catalytic properties and conductivity leading to a synergetic effect on the electrochemical redox process of the redox marker. Thus, a highly sensitive redox process was obtained that could follow the recognition process between the apatamer and the target. An amperometric variation of the naphthoquinone response was obtained regarding the ampicillin concentration with a limit of detection (LOD) of 10 pg/L (0.28 pM). A high selectivity towards other contaminants was demonstrated with this biosensor and the analysis of real river water samples without any treatment showed good recovery results thanks to the antifouling properties. This biosensor can be considered a promising device for the detection of antibiotics in the environment as a point-of-use system.
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Jiang L, Qu X, Sun W, Zhang M, Wang Y, Wang Y, Zhao Y, Zhang F, Leng Y, Liu S, Yu J, Huang J. A three-dimensional dynamic DNA walker-mediated branching hybridization chain reaction for the ultrasensitive fluorescence sensing of ampicillin. Analyst 2021; 146:5413-5420. [PMID: 34346408 DOI: 10.1039/d0an02226h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
In this study, a novel, rapid and ultrasensitive fluorescence strategy using the three-dimensional (3D) dynamic DNA walker (DW)-induced branched hybridization chain reaction (bHCR) has been proposed for the detection of ampicillin (AMP). The sensing system was composed of an Nt·Bbvcl-powered DNA walker blocked by an AMP aptamer, hairpin-shaped DNA track probe (TP) and four kinds of metastable hairpin probes as the substrates of bHCR, which triggered the formation of the split G-quadruplex as the signal molecule. Due to the reasonable design, the specific binding between AMP and its aptamer activated the DW, and the DW moved on the surface of the gold nanoparticles (AuNPs) with the help of Nt·Bbvcl to produce primer probes (PPs), which induced bHCR. The products of the bHCR gathered two split G-quadruplex sequences together to form one complete G-quadruplex. The formed G-quadruplex emitted a strong fluorescence signal in the presence of thioflavin-T (ThT) to achieve the purpose of detecting AMP. The sensitivity of this method was greatly improved by the use of the 3D DNA walker and bHCR. The split G-quadruplex enhanced the signal-to-noise ratio (SNR). Under the optimal experimental conditions, a good correlation was obtained between the fluorescence intensity of the sensing system and the concentration of AMP ranging from 5 pM to 500 nM with a limit of detection (LOD) of 3.68 pM. Simultaneously, the method has been applied to the detection of antibiotics in spiked milk samples with satisfactory results.
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Affiliation(s)
- Long Jiang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, P.R. China
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Girmatsion M, Mahmud A, Abraha B, Xie Y, Cheng Y, Yu H, Yao W, Guo Y, Qian H. Rapid detection of antibiotic residues in animal products using surface-enhanced Raman Spectroscopy: A review. Food Control 2021. [DOI: 10.1016/j.foodcont.2021.108019] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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14
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Hwang SH, Kim JH, Park J, Park KS. Fluorescence nucleobase analogue-based strategy with high signal-to-noise ratio for ultrasensitive detection of food poisoning bacteria. Analyst 2021; 145:6307-6312. [PMID: 32706347 DOI: 10.1039/d0an01026j] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
We developed a simple and ultrasensitive strategy for the identification of foodborne pathogens utilizing a fluorescent nucleobase analogue [2-aminopurine (2-AP)]-containing split G-quadruplex that binds blocker DNA. Compared to a previous strategy that did not use blocker DNA, this strategy showed a significant increase in the signal-to-noise ratio-by approximately 300%-owing to the displacement of the blocker DNA by the target DNA that induces the formation of an active G-quadruplex structure, thereby leading to a substantial increase in the 2-AP fluorescence signal. The proposed strategy was rationally combined with polymerase chain reaction, which resulted in the successful determination of genomic DNA (within the range of 10-106 copies) derived from the food poisoning bacterium Escherichia coli, with a limit of detection of 5.2 copies and high selectivity. In addition, the practical applicability of this method was demonstrated by analyzing E. coli-spiked lettuce samples.
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Affiliation(s)
- Sung Hyun Hwang
- Department of Biological Engineering, College of Engineering, Konkuk University, Seoul 05029, Republic of Korea.
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15
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Wang Y, Liu Q, Wei J, Dai Z, Ding L, Yuan R, Wen Z, Wang K. Visible light-driven photoelectrochemical ampicillin aptasensor based on an artificial Z-scheme constructed from Ru(bpy) 32+-sensitized BiOI microspheres. Biosens Bioelectron 2020; 173:112771. [PMID: 33190051 DOI: 10.1016/j.bios.2020.112771] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 10/10/2020] [Accepted: 10/26/2020] [Indexed: 02/08/2023]
Abstract
Dye sensitization is an alternative strategy to improve photoelectric activity of semiconductors and, particularly, to enhance the activity towards visible light domain. Herein, an artificial Z-scheme bipyridine ruthenium (Ru(bpy)32+) sensitizing narrow-gap bismuth oxy-iodide (BiOI) microspheres was constructed by a simple electrostatic interaction strategy for the first time. The electrochemical impedance spectroscopy (EIS) and photoluminescence (PL) analysis showed that this design of such Z-scheme structure was helpful to enhance the interfacial charge transfer and improve the photoelectric conversion efficiency. In addition, due to the sensitization of Ru(bpy)32+, the band gap was narrowed from 1.8 eV of BiOI microspheres to 1.3 eV of BiOI/Ru(bpy)32+ microspheres, leading to improve the utilization of visible light. So that, the photocurrent of the resulted BiOI/Ru(bpy)32+ was 13.0 times that of pure BiOI microspheres. In view of the outstanding photoelectrochemical (PEC) performance of BiOI/Ru(bpy)32+ and the high specificity of the aptamer, the PEC aptasensor for ampicillin (AMP) merits the excellent detection performance including a broad linear ranging from 1 × 10-7 nM to 100 nM as well as a low detection limit of 3.3 × 10-8 nM (S/N = 3). This work not only provides a novel way to construct and design highly efficient photoactive materials for PEC detection, but also broadens the application of Z-scheme in the field of sensing.
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Affiliation(s)
- Yuan Wang
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Qian Liu
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Jie Wei
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Zhen Dai
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Lijun Ding
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Ruishuang Yuan
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Zuorui Wen
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, PR China
| | - Kun Wang
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang, 212013, PR China; Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, School of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
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Mandelbaum Y, Mottes R, Zalevsky Z, Zitoun D, Karsenty A. Design of Surface Enhanced Raman Scattering (SERS) Nanosensor Array. SENSORS 2020; 20:s20185123. [PMID: 32911825 PMCID: PMC7570595 DOI: 10.3390/s20185123] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 09/03/2020] [Accepted: 09/05/2020] [Indexed: 01/18/2023]
Abstract
An advanced Surface-Enhanced Raman Scattering (SERS) Nanosensor Array, dedicated to serve in the future as a pH imager for the real-time detection of chemical reaction, is presented. The full flow of elementary steps—architecture, design, simulations, fabrication, and preliminary experimental results of structural characterization (Focused Ion Beam (FIB), TEM and SEM)—show an advanced SERS pixel array that is capable of providing spatially resolved measurements of chemical pH in a fluid target that became more than desirable in this period. Ultimately, the goal will be to provide real-time monitoring of a chemical reaction. The pixels consist of a nanostructured substrate composed of an array of projections or cavities. The shape of the nanostructures and the thickness of the metallic (Ag or Au) layer can be tuned to give maximal enhancement at the desired wavelength. The number and arrangement of nanostructures is optimized to obtain maximal responsivity.
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Affiliation(s)
- Yaakov Mandelbaum
- Advanced Laboratory of Electro-Optics (ALEO), Department of Applied Physics/Electro-Optics Engineering, Lev Academic Center, 9116001 Jerusalem, Israel; (Y.M.); (R.M.)
| | - Raz Mottes
- Advanced Laboratory of Electro-Optics (ALEO), Department of Applied Physics/Electro-Optics Engineering, Lev Academic Center, 9116001 Jerusalem, Israel; (Y.M.); (R.M.)
| | - Zeev Zalevsky
- Faculty of Engineering, Bar-Ilan University, 5290002 Ramat Gan, Israel;
- The Nanotechnology Center, Bar-Ilan University, 5290002 Ramat Gan, Israel;
| | - David Zitoun
- The Nanotechnology Center, Bar-Ilan University, 5290002 Ramat Gan, Israel;
- Faculty of Exact Sciences, Department of Chemistry, Bar-Ilan University, 5290002 Ramat Gan, Israel
| | - Avi Karsenty
- Advanced Laboratory of Electro-Optics (ALEO), Department of Applied Physics/Electro-Optics Engineering, Lev Academic Center, 9116001 Jerusalem, Israel; (Y.M.); (R.M.)
- Nanotechnology Center for Education and Research, Lev Academic Center, 9116001 Jerusalem, Israel
- Correspondence: ; Tel.: +972-2-675-1140
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17
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Mirsafavi R, Moskovits M, Meinhart C. Detection and classification of fentanyl and its precursors by surface-enhanced Raman spectroscopy. Analyst 2020; 145:3440-3446. [PMID: 32259176 DOI: 10.1039/c9an02568e] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Fentanyl and its analogs have been at the center of the opioid epidemic currently wreaking havoc in the United States. One major element in the opioid crisis is the growing number of clandestine fentanyl labs being reported by enforcement agencies. The development of new analytical methods for detecting and identifying fentanyl and its congeners is among the useful tools in our goal to limit the use of this dangerous family of narcotics. Herein we describe an analytical technique using surface-enhanced Raman spectroscopy (SERS) and a microfluidic device, for detecting fentanyl and two of its chemical precursors, despropionylfentanyl (4ANPP) and N-phenethyl-4-piperidinone (NPP). The vibrational spectra of this family of analytes are very similar, making them difficult to distinguish by traditional means. In addition to taking advantage of the sensitivity provided by SERS, we developed a chemometric approach utilizing a hierarchical partial least squares-discriminant analysis algorithm that allowed us to distinguish spectra that possess many similar features.
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Affiliation(s)
- Rustin Mirsafavi
- Department of Biomolecular Science and Engineering, University of California Santa Barbara, Santa Barbara, California 93106, USA
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18
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Dielectric Nanoparticles Coated upon Silver Hollow Nanosphere as an Integrated Design to Reinforce SERS Detection of Trace Ampicillin in Milk Solution. COATINGS 2020. [DOI: 10.3390/coatings10040390] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Surface-enhanced Raman scattering (SERS) technique is competent to trace detection of target species, down to the single molecule level. The detection sensitivity is presumably degraded by the presence of non-specific binding molecules that occupy a SERS-active site (or hot spot) on the substrate surface. In this study, a silver hollow nano-sphere (Ag HNS) with cavity has been particularly designed, followed by depositing dielectric nanoparticles (Di NPs) upon Ag HNS. In the integrated nanostructures, Di NPs/Ag HNS were furthermore confirmed by cutting through the cross sections using the Focused Ion Beam (FIB) technique, which provides the Scanning Electron Microscope (SEM) with Energy-dispersive Spectroscope (EDS) mode for identifying the distribution of Di NPs upon Ag HNS. The results have indicated that Di NPs/Ag HNS exhibits small diameter of cavity, and among Di NPs in this study, Al2O3 with lower dielectric constant provides a much higher SERS enhancement factor (e.g., ~6.2 × 107). In this study, to detect trace amounts (e.g., 0.01 ppm) of Ampicillin in water or milk solution, Al2O3 NPs/Ag HNS was found to be more efficient and less influenced by non-specific binding molecules in milk. A substrate with integrated plasmonic and dielectric components was designed to increase the adsorption of target species and to repulse non-specific binding molecules from SERS-active sites.
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19
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Gao J, Chen Y, Ji W, Gao Z, Zhang J. Synthesis of a CdS-decorated Eu-MOF nanocomposite for the construction of a self-powered photoelectrochemical aptasensor. Analyst 2019; 144:6617-6624. [PMID: 31617506 DOI: 10.1039/c9an01606f] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
A composite of CdS nanoparticles and a europium metal organic framework (Eu-MOF) (CdS/Eu-MOF) was synthesized. The unique properties of MOFs help to improve the photoelectrochemical (PEC) properties of CdS by reducing charge carrier recombination and utilizing a broader spectrum for light harvesting. Under visible light illumination, the photocurrent of the CdS/Eu-MOF composite modified electrode was about 2.5-fold higher than that of the CdS modified electrode. When an ampicillin (AMP)-binding aptamer was immobilized on the CdS/Eu-MOF modified electrode as a recognition element, a self-powered PEC aptasensor exhibiting a specific photocurrent response to AMP was constructed. Several experimental conditions such as the ratio of CdS to MOF, the coating amount of the CdS/Eu-MOF suspension and the concentration of the aptamer were studied. Under optimum conditions, the photocurrent of the developed sensor was linearly related to the logarithm AMP concentration in the range of 1 × 10-10 to 2 × 10-7 M, with a detection limit (3S/N) of 9.3 × 10-11 M. Moreover, this sensor exhibited excellent selectivity, good repeatability and desirable stability. It was successfully applied to the detection of AMP in lake water and milk samples.
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Affiliation(s)
- Jie Gao
- Hubei Key Laboratory of Bioinorganic Chemistry & Materia Medica, Key laboratory of Material Chemistry for Energy Conversion and Storage (Ministry of Education), School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Luoyu Road 1037, Wuhan 430074, PR China.
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20
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Zhang Y, Teng Y, Qin Y, Ren Z, Wang Z. Determination of Ciprofloxacin in Fish by Surface-Enhanced Raman Scattering Using a Liquid-Liquid Self-Assembled Gold Nanofilm. ANAL LETT 2019. [DOI: 10.1080/00032719.2019.1663861] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Yuchao Zhang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
| | - Yuanjie Teng
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
| | - Yanping Qin
- Inspection and Testing Department, Changxing County Center for Disease Control and Prevention, Changxing, China
| | - Zeyu Ren
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
| | - Zhenni Wang
- State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology, College of Chemical Engineering, Zhejiang University of Technology, Hangzhou, China
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21
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Aptasensor for multiplex detection of antibiotics based on FRET strategy combined with aptamer/graphene oxide complex. Sci Rep 2019; 9:7659. [PMID: 31114011 PMCID: PMC6529438 DOI: 10.1038/s41598-019-44051-3] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 05/03/2019] [Indexed: 01/11/2023] Open
Abstract
The development of a multiplexed sensing platform is necessary for highly selective, sensitive, and rapid screening of specific antibiotics. In this study, we designed a novel multiplex aptasensor for antibiotics by fluorescence resonance energy transfer (FRET) strategy using DNase I-assisted cyclic enzymatic signal amplification (CESA) method combined with aptamer/graphene oxide complex. The aptamers specific for sulfadimethoxine, kanamycin, and ampicillin were conjugated with Cyanine 3 (Cy3), 6-Carboxyfluorescein (FAM), and Cyanine 5 (Cy5), respectively, and graphene oxide (GO) was adopted to quench the fluorescence of the three different fluorophores with the efficiencies of 94.36%, 93.94%, and 96.97% for Cy3, FAM, and Cy5, respectively. CESA method was used for sensitive detection, resulting in a 2.1-fold increased signal compared to those of unamplified method. The aptasensor rapidly detected antibiotics in solution with limit of detection of 1.997, 2.664, and 2.337 ng/mL for sulfadimethoxine, kanamycin, and ampicillin, respectively. In addition, antibiotics dissolved in milk were efficiently detected with similar sensitivities. Multiplexed detection test proved that the fluorescently modified aptamers could work separately from each other. The results indicate that the aptasensor offers high specificity for each antibiotic and enables simultaneous and multicolor sensing for rapid screening of multiple antibiotics at the same time.
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22
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He H, Sun DW, Pu H, Chen L, Lin L. Applications of Raman spectroscopic techniques for quality and safety evaluation of milk: A review of recent developments. Crit Rev Food Sci Nutr 2019; 59:770-793. [PMID: 30614242 DOI: 10.1080/10408398.2018.1528436] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Milk is a complete nutrient source for humans. The quality and safety of milk are critical for both producers and consumers, thereby the dairy industry requires rapid and nondestructive methods to ensure milk quality and safety. However, conventional methods are time-consuming and laborious, and require complicated preparation procedures. Therefore, the exploration of new milk analytical methods is essential. This current review introduces the principles of Raman spectroscopy and presents recent advances since 2012 of Raman spectroscopic techniques mainly involving surface-enhanced Raman spectroscopy (SERS), fourier-transform (FT) Raman spectroscopy, near-infrared (NIR) Raman spectroscopy, and micro-Raman spectroscopy for milk analysis including milk compositions, microorganisms and antibiotic residues in milk, as well as milk adulterants. Additionally, some challenges and future outlooks are proposed. The current review shows that Raman spectroscopic techniques have the promising potential for providing rapid and nondestructive detection of milk parameters. However, the application of Raman spectroscopy on milk analysis is not common yet since some limitations of Raman spectroscopy need to be overcome before making it a routine tool for the dairy industry.
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Affiliation(s)
- Huirong He
- a School of Food Science and Engineering , South China University of Technology , Guangzhou 510641 , China.,b Academy of Contemporary Food Engineering , South China University of Technology, Guangzhou Higher Education Mega Centre , Guangzhou 510006 , China.,c Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods , Guangzhou Higher Education Mega Centre , Guangzhou 510006 , China
| | - Da-Wen Sun
- a School of Food Science and Engineering , South China University of Technology , Guangzhou 510641 , China.,b Academy of Contemporary Food Engineering , South China University of Technology, Guangzhou Higher Education Mega Centre , Guangzhou 510006 , China.,c Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods , Guangzhou Higher Education Mega Centre , Guangzhou 510006 , China.,d Food Refrigeration and Computerized Food Technology (FRCFT), Agriculture and Food Science Centre , University College Dublin, National University of Ireland , Dublin 4 , Ireland
| | - Hongbin Pu
- a School of Food Science and Engineering , South China University of Technology , Guangzhou 510641 , China.,b Academy of Contemporary Food Engineering , South China University of Technology, Guangzhou Higher Education Mega Centre , Guangzhou 510006 , China.,c Engineering and Technological Research Centre of Guangdong Province on Intelligent Sensing and Process Control of Cold Chain Foods , Guangzhou Higher Education Mega Centre , Guangzhou 510006 , China
| | - Lijun Chen
- e Beijing Sanyuan Foods Co., Ltd , Beijing , China
| | - Li Lin
- e Beijing Sanyuan Foods Co., Ltd , Beijing , China
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23
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Wang T, Yin H, Zhang Y, Wang L, Du Y, Zhuge Y, Ai S. Electrochemical aptasensor for ampicillin detection based on the protective effect of aptamer-antibiotic conjugate towards DpnII and Exo III digestion. Talanta 2019; 197:42-48. [PMID: 30771956 DOI: 10.1016/j.talanta.2019.01.010] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 12/25/2018] [Accepted: 01/02/2019] [Indexed: 01/21/2023]
Abstract
A simple and sensitive electrochemical method was developed for ampicillin detection based on the protective effect of aptamer-antibiotic conjugate towards endonuclease DpnII activity. Without ampicillin, DNA aptamer firstly hybridizes with the capture probe to form double strand DNA (dsDNA) structure. Then, dsDNA is cleaved by DpnII restriction endonuclease to form two dsDNA fragments. In which, one fragment is released from electrode surface and the other fragment is kept on electrode surface. Then, the dsDNA fragment kept on electrode surface is further digested by Exo III, which leads to the release of the dsDNA fragment from electrode surface. Thus, the electrochemical signal increases due to the decrease of the interface electron transfer resistance causing by the release of dsDNA from electrode surface. However, the formation of dsDNA is blocked when forming aptamer-ampicillin conjugate, which makes the obstruction of the digestion of DpnII and Exo III towards capture probe. Thus, a weak electrochemical signal is achieved due to the increase of the interface electron transfer resistance causing by the dsDNA on the electrode surface. Based on the relationship between ampicillin concentration and the decrease of the electrochemical signal, antibiotic is detected with low detection limit of 32 pM under optimal conditions, which is lower than the mandated maximum residue limit of European Union (9.93 nM). The developed method also presents good detection selectivity. Moreover, the applicability is confirmed by detecting antibiotic in milk and water samples with satisfactory results.
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Affiliation(s)
- Tingting Wang
- College of Resources and Environment, Shandong Agricultural University, 271018 Tai'an, Shandong, PR China
| | - Huanshun Yin
- College of Chemistry and Material Science, Shandong Agricultural University, 271018 Tai'an, Shandong, PR China.
| | - Yuting Zhang
- College of Chemistry and Material Science, Shandong Agricultural University, 271018 Tai'an, Shandong, PR China
| | - Linkui Wang
- College of Chemistry and Material Science, Shandong Agricultural University, 271018 Tai'an, Shandong, PR China
| | - Yue Du
- College of Chemistry and Material Science, Shandong Agricultural University, 271018 Tai'an, Shandong, PR China
| | - Yuping Zhuge
- College of Resources and Environment, Shandong Agricultural University, 271018 Tai'an, Shandong, PR China.
| | - Shiyun Ai
- College of Chemistry and Material Science, Shandong Agricultural University, 271018 Tai'an, Shandong, PR China
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Preparation of Ampicillin Surface Molecularly Imprinted Polymers for Its Selective Recognition of Ampicillin in Eggs Samples. Int J Anal Chem 2018; 2018:5897381. [PMID: 30581469 PMCID: PMC6276447 DOI: 10.1155/2018/5897381] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2018] [Accepted: 10/31/2018] [Indexed: 11/17/2022] Open
Abstract
Surface-imprinted polymers (MIPs) microspheres with the ability to specifically recognize water-soluble molecules were prepared using self-made monodisperse porous poly(chloromethylstyrene-co-divinylbenzene) beads as the solid-phase matrix and ampicillin (AMP) as the template molecule. MIPs were synthesized using different template molecule: monomer: crosslinker ratios and the optimum preparation ratio were obtained by measuring adsorption. The maximum equilibrium amount of adsorption by the MIPs reached 115.62 mg/g. Scatchard analysis indicated that the MIPs contained two types of recognition sites: specific and nonspecific. Based on the adsorption kinetics, adsorption equilibrium was reached after 30 minutes. Penicillin G, amoxicillin, and sulbactam acid were used as competitive molecules to research the selective adsorption capacity of the MIPs. The imprinted material was found to have good selectivity with selectivity coefficients for penicillin G, amoxicillin, and sulbactam acid of 5.74, 6.83, and 7.25, respectively. The MIPs were used as solid-phase extraction filler, resulting in successful enrichment and separation of ampicillin residue from egg samples. Standard addition recovery experiments revealed that recovery was good with recoveries from the spiked samples ranging from 91.5 to 94.9% and relative standard deviations from 3.6 to 4.2%. The solid-phase extraction MIPs microcolumn was reused 10 times, where it maintained a recovery rate of over 80%. This work presents a sensitive, fast, and convenient method for the determination of trace ampicillin in food samples.
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25
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Ge L, Xu Y, Ding L, You F, Liu Q, Wang K. Perovskite-type BiFeO 3/ultrathin graphite-like carbon nitride nanosheets p-n heterojunction: Boosted visible-light-driven photoelectrochemical activity for fabricating ampicillin aptasensor. Biosens Bioelectron 2018; 124-125:33-39. [PMID: 30342350 DOI: 10.1016/j.bios.2018.09.093] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 09/27/2018] [Accepted: 09/27/2018] [Indexed: 10/28/2022]
Abstract
Developing effective sensing method for trace analysis of ampicillin (AMP) is urgent and significant due to its residue possess serious threats to human health. Herein, a p-n heterojunction, on the basis of p-type BiFeO3 nanoparticles coupled n-typed ultrathin graphite-like carbon nitride (utg-C3N4) nanosheets, has been designed and synthesized via a simple electrostatic interaction strategy. Such p-n heterojunction has two advantages: one is capable to narrow the band gap of photoactive materials from 2.20 eV of BiFeO3 down to 2.04 eV of BiFeO3/utg-C3N4, leading to improve the efficiency of visible light utilization; and the other is to facilitate the charge separation rate, resulting in the boosted photoelectrochemical (PEC) performance of BiFeO3/utg-C3N4. Under visible light illumination, the photocurrent of the resulted BiFeO3/utg-C3N4 was 7.0-fold enhanced than that of pure BiFeO3 nanoparticles, and indeed 2.3-fold enhanced comparing to BiFeO3/bulk-C3N4. Based on excellent PEC properties of BiFeO3/utg-C3N4, an on-off-on PEC aptasensor was successfully fabricated for ampicillin (AMP) determination with highly selectivity and sensitivity. The fabricated PEC aptasensor exhibited excellent PEC performance with a broad linear in the range from 1 × 10-12 mol L-1 to 1 × 10-6 mol L-1 as well as a low detection limit of 3.3 × 10-13 mol L-1 (S/N = 3), and also good feasibility in real sample. The excellent analytical performance indicated that PEC aptasensor on the basis of the visible light driven BiFeO3/utg-C3N4 heterojunction can provide a promising biosensor platform for sensitive detection AMP in food and environment analysis.
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Affiliation(s)
- Lan Ge
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Yuhuan Xu
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Lijun Ding
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Fuheng You
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China
| | - Qian Liu
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China.
| | - Kun Wang
- Key Laboratory of Modern Agriculture Equipment and Technology, School of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, PR China; Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao 266042, PR China.
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26
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McKeating KS, Couture M, Dinel MP, Garneau-Tsodikova S, Masson JF. High throughput LSPR and SERS analysis of aminoglycoside antibiotics. Analyst 2018; 141:5120-6. [PMID: 27412506 DOI: 10.1039/c6an00540c] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Aminoglycoside antibiotics are used in the treatment of infections caused by Gram-negative bacteria, and are often dispensed only in severe cases due to their adverse side effects. Patients undergoing treatment with these antibiotics are therefore commonly subjected to therapeutic drug monitoring (TDM) to ensure a safe and effective personalised dosage. The ability to detect these antibiotics in a rapid and sensitive manner in human fluids is therefore of the utmost importance in order to provide effective monitoring of these drugs, which could potentially allow for a more widespread use of this class of antibiotics. Herein, we report on the detection of various aminoglycosides, by exploiting their ability to aggregate gold nanoparticles. The number and position of the amino groups of aminoglycoside antibiotics controlled the aggregation process. We investigated the complementary techniques of surface enhanced Raman spectroscopy (SERS) and localized surface plasmon resonance (LSPR) for dual detection of these aminoglycoside antibiotics and performed an in-depth study of the feasibility of carrying out TDM of tobramycin using a platform amenable to high throughput analysis. Herein, we also demonstrate dual detection of tobramycin using both LSPR and SERS in a single platform and within the clinically relevant concentration range needed for TDM of this particular aminoglycoside. Additionally we provide evidence that tobramycin can be detected in spiked human serum using only functionalised nanoparticles and SERS analysis.
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Affiliation(s)
- Kristy S McKeating
- Département de chimie and Centre for self-assembled chemical structures (CSACS), Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, QC, CanadaH3C 3J7.
| | - Maxime Couture
- Département de chimie and Centre for self-assembled chemical structures (CSACS), Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, QC, CanadaH3C 3J7.
| | - Marie-Pier Dinel
- Département de chimie and Centre for self-assembled chemical structures (CSACS), Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, QC, CanadaH3C 3J7.
| | - Sylvie Garneau-Tsodikova
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Kentucky, Lexington, KY 40536-0596, USA
| | - Jean-Francois Masson
- Département de chimie and Centre for self-assembled chemical structures (CSACS), Université de Montréal, CP 6128 Succ. Centre-Ville, Montreal, QC, CanadaH3C 3J7.
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Chen Y, Fan Z, Zhang Z, Niu W, Li C, Yang N, Chen B, Zhang H. Two-Dimensional Metal Nanomaterials: Synthesis, Properties, and Applications. Chem Rev 2018; 118:6409-6455. [PMID: 29927583 DOI: 10.1021/acs.chemrev.7b00727] [Citation(s) in RCA: 387] [Impact Index Per Article: 64.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
As one unique group of two-dimensional (2D) nanomaterials, 2D metal nanomaterials have drawn increasing attention owing to their intriguing physiochemical properties and broad range of promising applications. In this Review, we briefly introduce the general synthetic strategies applied to 2D metal nanomaterials, followed by describing in detail the various synthetic methods classified in two categories, i.e. bottom-up methods and top-down methods. After introducing the unique physical and chemical properties of 2D metal nanomaterials, the potential applications of 2D metal nanomaterials in catalysis, surface enhanced Raman scattering, sensing, bioimaging, solar cells, and photothermal therapy are discussed in detail. Finally, the challenges and opportunities in this promising research area are proposed.
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Affiliation(s)
- Ye Chen
- Center for Programmable Materials, School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
| | - Zhanxi Fan
- Center for Programmable Materials, School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
| | - Zhicheng Zhang
- Center for Programmable Materials, School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
| | - Wenxin Niu
- Center for Programmable Materials, School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
| | - Cuiling Li
- Center for Programmable Materials, School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
| | - Nailiang Yang
- Center for Programmable Materials, School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
| | - Bo Chen
- Center for Programmable Materials, School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
| | - Hua Zhang
- Center for Programmable Materials, School of Materials Science and Engineering , Nanyang Technological University , 50 Nanyang Avenue , Singapore 639798 , Singapore
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28
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Shen X, Han K, Ma L, Gao M, Xu X, Luo J. Nano-Ag-forest based surface enhanced Raman spectroscopy (SERS) of confined acetic acid. Colloids Surf A Physicochem Eng Asp 2018. [DOI: 10.1016/j.colsurfa.2018.03.036] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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29
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Jiang Y, Sun DW, Pu H, Wei Q. Surface enhanced Raman spectroscopy (SERS): A novel reliable technique for rapid detection of common harmful chemical residues. Trends Food Sci Technol 2018. [DOI: 10.1016/j.tifs.2018.02.020] [Citation(s) in RCA: 133] [Impact Index Per Article: 22.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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30
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Small molecule detection with aptamer based lateral flow assays: Applying aptamer-C-reactive protein cross-recognition for ampicillin detection. Sci Rep 2018; 8:5628. [PMID: 29618771 PMCID: PMC5884802 DOI: 10.1038/s41598-018-23963-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Accepted: 03/21/2018] [Indexed: 01/12/2023] Open
Abstract
Aptamer-based lateral flow assays (LFAs) are an emerging field of aptamer applications due to numerous potential applications. When compared to antibodies, potential advantages like cost effectiveness or lower batch to batch variations are evident. The development of LFAs for small molecules, however, is still challenging due to several reasons, primarily linked to target size and accessible interaction sites. In small molecule analysis, however, aptamers in many cases are preferable since immunogenicity is not required and they may exhibit even higher target selectivity. We report the first cross-recognition of a small molecule (ampicillin) and a protein (C-reactive protein), predicted by in-silico analysis, then experimentally confirmed - using two different aptamers. These features can be exploited for developing an aptamer-based LFA for label-free ampicillin detection, functioning also for analysis in milk extract. Most importantly, the principal setup denotes a novel, transferable and versatile general approach for detection of small molecules using competitive LFAs, unlikely to be generally realized by aptamer-DNA-binding otherwise.
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Restaino SM, White IM. Real-time multiplexed PCR using surface enhanced Raman spectroscopy in a thermoplastic chip. LAB ON A CHIP 2018; 18:832-839. [PMID: 29436552 DOI: 10.1039/c7lc01227f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Surface enhanced Raman spectroscopy (SERS) has the potential to enable point-of-care sensing across the spectrum of chemical and biological analytes. In diagnostic assays, SERS has been demonstrated to increase the multiplexing density while reducing the burden of fluorescence hardware. One particular application of interest is the use of SERS to provide a multiplexed optical read-out following polymerase chain reaction (PCR). To date, however, the reported PCR-SERS assays require endpoint mixing with a plasmonic nanoparticle solution for detection, thus adding manual steps and preventing real-time, quantitative PCR. In this work, we detail a real-time PCR-SERS thermoplastic microsystem that allows simultaneous nucleic acid amplification and product separation into a SERS-active silver colloid for real-time detection. Specifically, a laser cut thermoplastic fluidic chip has been devised to utilize a dialysis membrane capable of isolating a PCR reaction from the silver colloid. As the reaction progresses, a Raman-reporter-labeled DNA probe is degraded, liberating the reporter from probe DNA, allowing passage across the size-restricting dialysis membrane into the SERS-active colloid, where the accumulating reporter can be measured in real time. Here, we demonstrate that this system is capable of real-time and single-well multiplexed readout of a PCR reaction to simultaneously detect two biomarker genes for methicillin-resistant S. aureus (MRSA).
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Affiliation(s)
- S M Restaino
- Fischell Department of Bioengineering, University of Maryland, College Park, USA.
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32
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SERS-microfluidic systems: A potential platform for rapid analysis of food contaminants. Trends Food Sci Technol 2017. [DOI: 10.1016/j.tifs.2017.10.001] [Citation(s) in RCA: 90] [Impact Index Per Article: 12.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
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A reagentless and reusable electrochemical aptamer-based sensor for rapid detection of ampicillin in complex samples. Talanta 2017; 176:619-624. [PMID: 28917799 DOI: 10.1016/j.talanta.2017.08.057] [Citation(s) in RCA: 65] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2017] [Revised: 08/17/2017] [Accepted: 08/17/2017] [Indexed: 11/23/2022]
Abstract
We report the design and fabrication of a "signal-on" electrochemical aptamer-based (E-AB) sensor for detection of ampicillin. The signaling of the sensor is based on target binding-induced changes in the conformation and flexibility of the methylene blue-modified aptamer probe. The sensor's response is fast; signal saturation can be reached in ~ 200s. Since all the sensor components are surface-immobilized, it is regenerable and can be reused for at least three times. It has demonstrated good specificity and is capable of differentiating between ampicillin and structurally similar antibiotics such as amoxicillin. More importantly, it is selective enough to be employed directly in complex samples, including serum, saliva, and milk. Although both alternating current voltammetry (ACV) and square wave voltammetry (SWV) are suitable sensor characterization techniques, our results show that ACV is better suited for target analysis. Even under the optimal experimental conditions, the limit of detection of the sensor obtained in ACV (1µM) is significantly lower than that obtained in SWV (30µM).
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Tycova A, Prikryl J, Foret F. Recent strategies toward microfluidic-based surface-enhanced Raman spectroscopy. Electrophoresis 2017; 38:1977-1987. [DOI: 10.1002/elps.201700046] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2017] [Revised: 03/20/2017] [Accepted: 04/18/2017] [Indexed: 12/25/2022]
Affiliation(s)
- Anna Tycova
- Institute of Analytical Chemistry of the CAS; v. v. i.; Brno Czech Republic
| | - Jan Prikryl
- Institute of Analytical Chemistry of the CAS; v. v. i.; Brno Czech Republic
| | - Frantisek Foret
- Institute of Analytical Chemistry of the CAS; v. v. i.; Brno Czech Republic
- CEITEC - Central European Institute of Technology; Brno Czech Republic
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Zaleski S, Clark KA, Smith MM, Eilert JY, Doty M, Van Duyne RP. Identification and Quantification of Intravenous Therapy Drugs Using Normal Raman Spectroscopy and Electrochemical Surface-Enhanced Raman Spectroscopy. Anal Chem 2017; 89:2497-2504. [PMID: 28192951 DOI: 10.1021/acs.analchem.6b04636] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Errors in intravenous (IV) drug therapies can cause human harm and even death. There are limited label-free methods that can sensitively monitor the identity and quantity of the drug being administered. Normal Raman spectroscopy (NRS) provides a modestly sensitive, label-free, and completely noninvasive means of IV drug sensing. In the case that the analyte cannot be detected within its clinical range with Raman, a label-free surface-enhanced Raman spectroscopy (SERS) approach can be implemented to detect the analyte of interest. In this work, we demonstrate two individual cases where we use NRS and electrochemical SERS (EC-SERS) to detect IV therapy analytes within their clinically relevant ranges. We implement NRS to detect gentamicin, a commonly IV-administered antibiotic and EC-SERS to detect dobutamine, a drug commonly administered after heart surgery. In particular, dobutamine detection with EC-SERS was found to have a limit of detection 4 orders of magnitude below its clinical range, highlighting the excellent sensitivity of SERS. We also demonstrate the use of hand-held Raman instrumentation for NRS and EC-SERS, showing that Raman is a highly sensitive technique that is readily applicable in a clinical setting.
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Affiliation(s)
- Stephanie Zaleski
- Department of Chemistry, Northwestern University , 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Kathleen A Clark
- Department of Chemistry, Northwestern University , 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Madison M Smith
- Department of Chemistry, Northwestern University , 2145 Sheridan Road, Evanston, Illinois 60208, United States
| | - Jan Y Eilert
- Baxter Healthcare Corporation , 25212 W. Illinois Rt. 120, Round Lake, Illinois 60073, United States
| | - Mark Doty
- Baxter Healthcare Corporation , 25212 W. Illinois Rt. 120, Round Lake, Illinois 60073, United States
| | - Richard P Van Duyne
- Department of Chemistry, Northwestern University , 2145 Sheridan Road, Evanston, Illinois 60208, United States.,Department of Biomedical Engineering, Northwestern University , 2145 Sheridan Road, Evanston, Illinois 60208, United States.,Program in Applied Physics, Northwestern University , 2145 Sheridan Road, Evanston, Illinois 60208, United States
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Gai P, Gu C, Hou T, Li F. Ultrasensitive Self-Powered Aptasensor Based on Enzyme Biofuel Cell and DNA Bioconjugate: A Facile and Powerful Tool for Antibiotic Residue Detection. Anal Chem 2017; 89:2163-2169. [PMID: 28208296 DOI: 10.1021/acs.analchem.6b05109] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Herein, we reported a novel ultrasensitive one-compartment enzyme biofuel cells (EBFCs)-based self-powered aptasensing platform for antibiotic residue detection. By taking full advantage of the unique features of both EBFCs-based self-powered sensors and aptamers, the as-proposed aptasensing platform has the merits of simple instrumentation, anti-interference ability, high selectivity, and low cost. In this study, DNA bioconjugate, i.e., SiO2@gold nanoparticles-complementary strand of aptamer (SiO2@AuNPs-csDNA), was elaborately designed and played a key role in blocking the mass transport of glucose to the bioanode. While in the presence of the target antibiotic, SiO2@AuNPs-csDNA bioconjugate broke away from the bioanode due to the aptamer recognition of the target. Without the blocking of glucose by the DNA bioconjugate, a significantly elevated open circuit voltage of the EBFCs-based aptasensor was obtained, whose amplitude was dependent on the antibiotic concentration. In addition, this proposed aptasensor was the first reported self-powered aptasensing platform for antibiotic determination and featured high sensitivity owing to the elaborate design of the DNA bioconjugate modified bioanode of EBFC, which was superior to those previously reported in the literature. Furthermore, due to the anti-interference ability and the excellent selectivity of the aptasensor, no special sample pretreatment was needed for the detection of antibiotics in milk samples. Therefore, the proposed EBFCs-based self-powered aptasensor has a great promise to be applied as a powerful tool for on-site assay in the field of food safety.
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Affiliation(s)
- Panpan Gai
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University , Qingdao 266109, People's Republic of China
| | - Chengcheng Gu
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University , Qingdao 266109, People's Republic of China
| | - Ting Hou
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University , Qingdao 266109, People's Republic of China
| | - Feng Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University , Qingdao 266109, People's Republic of China
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Mirsafavi RY, Lai K, Kline ND, Fountain AW, Meinhart CD, Moskovits M. Detection of Papaverine for the Possible Identification of Illicit Opium Cultivation. Anal Chem 2017; 89:1684-1688. [DOI: 10.1021/acs.analchem.6b03797] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Rustin Y. Mirsafavi
- Department
of Biomolecular Science and Engineering, University of California Santa Barbara, Santa Barbara, California 93106, United States
| | - Kristine Lai
- Department
of Mechanical Engineering, University of California Santa Barbara, Santa
Barbara, California 93106, United States
| | - Neal D. Kline
- Edgewood Chemical and Biological Center, Edgewood, Maryland 21010, United States
| | - Augustus W. Fountain
- Edgewood Chemical and Biological Center, Edgewood, Maryland 21010, United States
| | - Carl D. Meinhart
- Department
of Mechanical Engineering, University of California Santa Barbara, Santa
Barbara, California 93106, United States
| | - Martin Moskovits
- Department
of Chemistry and Biochemistry, University of California Santa Barbara, Santa
Barbara, California 93106, United States
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Wang X, Dong S, Gai P, Duan R, Li F. Highly sensitive homogeneous electrochemical aptasensor for antibiotic residues detection based on dual recycling amplification strategy. Biosens Bioelectron 2016; 82:49-54. [PMID: 27040941 DOI: 10.1016/j.bios.2016.03.055] [Citation(s) in RCA: 81] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2015] [Revised: 03/08/2016] [Accepted: 03/21/2016] [Indexed: 12/16/2022]
Abstract
The ubiquitous presence of antibiotic residues in foodstuff have serious health consequences for consumers from allergic reactions to the evolution of antibiotic-resistant bacteria. To address this problem, a novel homogeneous electrochemical aptasensor with high sensitivity and specificity is designed for antibiotic residues detection based on target-induced and T7 exonuclease-assisted dual recycling signal amplification strategy. It was realized by the remarkable diffusivity difference between hairpin probe and the mononucleotides towards the negatively charged indium tin oxide electrode. For the proof-of-concept experiment, ampicillin, was employed as a model analyte to examine the desirable properties of this assay. A low detection limit of 4.0pM toward ampicillin with an excellent selectivity could be achieved, which has been successfully applied to assay antibiotic in milk. What's more, compared with the immobilization-based electrochemical means, the proposed sensing system avoids the tedious and time-consuming steps of electrode modification, making the experimental processes much simpler and more convenient. With the advantages of high sensitivity, excellent selectivity and simple operation, it is believed that this strategy possesses great potential for the simple, easy and convenient detection of antibiotic residues in food safety field.
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Affiliation(s)
- Xiuzhong Wang
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Shanshan Dong
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Panpan Gai
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Rui Duan
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China
| | - Feng Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao 266109, China.
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McKeating KS, Aubé A, Masson JF. Biosensors and nanobiosensors for therapeutic drug and response monitoring. Analyst 2016; 141:429-49. [DOI: 10.1039/c5an01861g] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Review of different biosensors and nanobiosensors increasingly used in therapeutic drug monitoring (TDM) for pharmaceutical drugs with dosage limitations or toxicity issues and for therapeutic response monitoring.
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Affiliation(s)
| | - Alexandra Aubé
- Département de chimie
- Université de Montréal
- Montreal
- Canada
| | - Jean-Francois Masson
- Département de chimie
- Université de Montréal
- Montreal
- Canada
- Centre for self-assembled chemical structures (CSACS)
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