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Bai X, Wang Z, Li W, Xiao F, Xu H. Portable sensor based on magnetic separation and enzyme-mediated immune nanomaterials for point-of-care testing of Listeria monocytogenes in food. Anal Chim Acta 2022; 1236:340576. [PMID: 36396231 DOI: 10.1016/j.aca.2022.340576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2022] [Revised: 10/03/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022]
Abstract
Listeria monocytogenes (L. monocytogenes), a typical foodborne pathogen, poses a serious threat to public health safety. This stimulates to develop a point-of-care testing (POCT) method to achieve rapid, sensitive detection of L. monocytogenes. In this study, polyethylene glycol (PEG) mediated ampicillin functionalized magnetic beads (Amp-PEG-MBs) was prepared successfully and it achieved high efficiency (>90%) and rapid (5 min) capture for L. monocytogenes at room temperature. The innovative combination of antibody (Ab), glucose oxidase (GOD) and graphene oxide (GO) prepared Ab@GO@GOD for the specific recognition of L. monocytogenes. Finally, Amp-PEG-MBs and Ab@GO@GOD were successfully assembled into Amp-PEG-MBs@L. monocytogenes-Ab@GO@GOD sandwich structure which could catalyze the glucose, and the final detection results were recorded by a blood glucose meter (BGM). Magnetic separation (MS) combined with enzyme-catalyzed sensor (MS-Ab@GO@GOD-BGM) was successfully established to achieve the detection of L. monocytogenes in artificially contaminated juice within 66 min with the limit of detection was 101 CFU/mL. This sensor has potential for other pathogens detection by modifying specific antibodies.
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Affiliation(s)
- Xuekun Bai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China
| | - Zhengzheng Wang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China
| | - Weiqiang Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China
| | - Fangbin Xiao
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China
| | - Hengyi Xu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, PR China.
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2
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Li M, Yin F, Song L, Mao X, Li F, Fan C, Zuo X, Xia Q. Nucleic Acid Tests for Clinical Translation. Chem Rev 2021; 121:10469-10558. [PMID: 34254782 DOI: 10.1021/acs.chemrev.1c00241] [Citation(s) in RCA: 78] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Nucleic acids, including deoxyribonucleic acid (DNA) and ribonucleic acid (RNA), are natural biopolymers composed of nucleotides that store, transmit, and express genetic information. Overexpressed or underexpressed as well as mutated nucleic acids have been implicated in many diseases. Therefore, nucleic acid tests (NATs) are extremely important. Inspired by intracellular DNA replication and RNA transcription, in vitro NATs have been extensively developed to improve the detection specificity, sensitivity, and simplicity. The principles of NATs can be in general classified into three categories: nucleic acid hybridization, thermal-cycle or isothermal amplification, and signal amplification. Driven by pressing needs in clinical diagnosis and prevention of infectious diseases, NATs have evolved to be a rapidly advancing field. During the past ten years, an explosive increase of research interest in both basic research and clinical translation has been witnessed. In this review, we aim to provide comprehensive coverage of the progress to analyze nucleic acids, use nucleic acids as recognition probes, construct detection devices based on nucleic acids, and utilize nucleic acids in clinical diagnosis and other important fields. We also discuss the new frontiers in the field and the challenges to be addressed.
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Affiliation(s)
- Min Li
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Fangfei Yin
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Lu Song
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China.,Division of Physical Biology, CAS Key Laboratory of Interfacial Physics and Technology, Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
| | - Xiuhai Mao
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Fan Li
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Chunhai Fan
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Xiaolei Zuo
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China.,School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Qiang Xia
- Institute of Molecular Medicine, Department of Liver Surgery, Shanghai Key Laboratory for Nucleic Acid Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
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Huang F, Zhang Y, Lin J, Liu Y. Biosensors Coupled with Signal Amplification Technology for the Detection of Pathogenic Bacteria: A Review. BIOSENSORS 2021; 11:190. [PMID: 34207580 PMCID: PMC8227973 DOI: 10.3390/bios11060190] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Revised: 06/04/2021] [Accepted: 06/06/2021] [Indexed: 12/18/2022]
Abstract
Foodborne disease caused by foodborne pathogens is a very important issue in food safety. Therefore, the rapid screening and sensitive detection of foodborne pathogens is of great significance for ensuring food safety. At present, many research works have reported the application of biosensors and signal amplification technologies to achieve the rapid and sensitive detection of pathogenic bacteria. Thus, this review summarized the use of biosensors coupled with signal amplification technology for the detection of pathogenic bacteria, including (1) the development, concept, and principle of biosensors; (2) types of biosensors, such as electrochemical biosensors, optical biosensors, microfluidic biosensors, and so on; and (3) different kinds of signal amplification technologies applied in biosensors, such as enzyme catalysis, nucleic acid chain reaction, biotin-streptavidin, click chemistry, cascade reaction, nanomaterials, and so on. In addition, the challenges and future trends for pathogenic bacteria based on biosensor and signal amplification technology were also discussed and summarized.
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Affiliation(s)
- Fengchun Huang
- Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China;
| | - Yingchao Zhang
- College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China; (Y.Z.); (J.L.)
| | - Jianhan Lin
- College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China; (Y.Z.); (J.L.)
| | - Yuanjie Liu
- College of Information and Electrical Engineering, China Agricultural University, Beijing 100083, China; (Y.Z.); (J.L.)
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Li H, Cai Q, Yan X, Jie G. Target-switchable DNA hydrogels coupled with a Bi 2Sn 2O 7/Bi 2S 3 heterojunction based on in situ anion exchange for the "signal-on" photoelectrochemical detection of DNA. NANOSCALE 2021; 13:7678-7684. [PMID: 33928980 DOI: 10.1039/d1nr00573a] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
In this paper, a novel photoelectrochemical (PEC) "signal-on" biosensor based on a Bi2Sn2O7/Bi2S3 heterojunctioncoupled with target-switchable DNA hydrogels is reported for the ultrasensitive detection of P53 gene DNA. For the first time, sulfide ions are discovered to display an excellent PEC sensitization effect on Bi2Sn2O7 material by forming the Bi2Sn2O7/Bi2S3 heterojunction. The sensitization amplitude increased by 63 times, and the photocurrent polarity switched from cathodic to anodic. When the target DNA-induced-cycling amplification process produced a mass of product chains (PD), PD was introduced into the target-switchable DNA hydrogels to quantitatively release sulfide ions, which were further introduced to the Bi2Sn2O7-modified PEC platform and resulted in an enormous enhancement of the PEC signal due to the significant sensitization effect of sulfide ions on Bi2Sn2O7via an anion-exchange reaction. The corresponding PEC signal change of the Bi2Sn2O7/Bi2S3 platform was used for the detection of target DNA. This biosensing strategy opens up a novel sulfide ion-sensitized PEC platform and exhibits excellent analytical performance with a wide linear range (100 fM-10 nM), which has broad application prospects in bioanalysis and clinical diagnosis.
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Affiliation(s)
- Hongkun Li
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE; Shandong Key Laboratory of Biochemical Analysis; Qingdao University of Science and Technology, Qingdao 266042, PR China.
| | - Qianqian Cai
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE; Shandong Key Laboratory of Biochemical Analysis; Qingdao University of Science and Technology, Qingdao 266042, PR China.
| | - Xiaoshi Yan
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE; Shandong Key Laboratory of Biochemical Analysis; Qingdao University of Science and Technology, Qingdao 266042, PR China.
| | - Guifen Jie
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE; Shandong Key Laboratory of Biochemical Analysis; Qingdao University of Science and Technology, Qingdao 266042, PR China.
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Meng X, Gu H, Yi H, He Y, Chen Y, Sun W. Sensitive detection of streptomycin in milk using a hybrid signal enhancement strategy of MOF-based bio-bar code and target recycling. Anal Chim Acta 2020; 1125:1-7. [PMID: 32674756 DOI: 10.1016/j.aca.2020.05.041] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 04/30/2020] [Accepted: 05/18/2020] [Indexed: 11/18/2022]
Abstract
A MOF-based bio-bar code material was synthesized and firstly applied to develop an electrochemical streptomycin (STR) aptasensor. By using MOF-based bio-bar code and enzyme-assisted target recycling for dual-signal amplification, highly sensitive detection of STR was achieved. The sensing surface was simply fabricated by immobilizing a mixed monolayer of thiolated cDNA/aptamer duplexes (dsDNA) and 6-mercapto-1-hexanol (MCH) on the gold nanoparticle modified screen printed carbon electrode (Au/SPCE). The presence of target STR caused highly efficient removal of the aptamers from dsDNA assisted by Exo I enzyme. Then MOF-based bio-bar codes were backfilled to achieve the adsorption of electroactive Ru(NH3)63+ (RuHex) on electrode surface. The electrochemical signal of the surface-confined RuHex was used for quantitation. The analytical performance for STR was satisfactory with a wide linear range of 0.005-150 ng mL-1, a low detection limit of 2.6 pg mL-1 and a good selectivity towards other three antibiotics. Moreover, the application of this aptasensor for determination of STR in real milk samples was also realized. With these merits, this dual-signal amplification assay might provide one of the effective ways for food safety monitoring.
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Affiliation(s)
- XianZhu Meng
- College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, 434023, PR China
| | - HuiWen Gu
- College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, 434023, PR China
| | - HongChao Yi
- College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, 434023, PR China
| | - YongQiang He
- College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, 434023, PR China
| | - Ying Chen
- College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, 434023, PR China.
| | - WeiYin Sun
- College of Chemistry and Environmental Engineering, Yangtze University, Jingzhou, 434023, PR China; Coordination Chemistry Institute, State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing National Laboratory of Microstructures, Collaborative Innovation Center of Advanced Microstructures, Nanjing University, Nanjing, 210023, PR China.
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6
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Tian Y, Liang T, Zhu P, Chen Y, Chen W, Du L, Wu C, Wang P. Label-Free Detection of E. coli O157:H7 DNA Using Light-Addressable Potentiometric Sensors with Highly Oriented ZnO Nanorod Arrays. SENSORS (BASEL, SWITZERLAND) 2019; 19:E5473. [PMID: 31842267 PMCID: PMC6960909 DOI: 10.3390/s19245473] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/07/2019] [Accepted: 12/09/2019] [Indexed: 12/26/2022]
Abstract
The detection of bacterial deoxyribonucleic acid (DNA) is of great significance in the quality control of food and water. In this study, a light-addressable potentiometric sensor (LAPS) deposited with highly oriented ZnO nanorod arrays (NRAs) was used for the label-free detection of single-stranded bacterial DNA (ssDNA). A functional, sensitive surface for the detection of Escherichia coli (E. coli) O157:H7 DNA was prepared by the covalent immobilization of the specific probe single-stranded DNA (ssDNA) on the LAPS surface. The functional surface was exposed to solutions containing the target E. coli ssDNA molecules, which allowed for the hybridization of the target ssDNA with the probe ssDNA. The surface charge changes induced by the hybridization of the probe ssDNA with the target E. coli ssDNA were monitored using LAPS measurements in a label-free manner. The results indicate that distinct signal changes can be registered and recorded to detect the target E. coli ssDNA. The lower detection limit of the target ssDNA corresponded to 1.0 × 102 colony forming units (CFUs)/mL of E. coli O157:H7 cells. All the results demonstrate that this DNA biosensor, based on the electrostatic detection of ssDNA, provides a novel approach for the sensitive and effective detection of bacterial DNA, which has promising prospects and potential applications in the quality control of food and water.
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Affiliation(s)
- Yulan Tian
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China; (Y.T.); (P.Z.); (Y.C.); (W.C.); (L.D.)
| | - Tao Liang
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China;
| | - Ping Zhu
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China; (Y.T.); (P.Z.); (Y.C.); (W.C.); (L.D.)
| | - Yating Chen
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China; (Y.T.); (P.Z.); (Y.C.); (W.C.); (L.D.)
| | - Wei Chen
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China; (Y.T.); (P.Z.); (Y.C.); (W.C.); (L.D.)
| | - Liping Du
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China; (Y.T.); (P.Z.); (Y.C.); (W.C.); (L.D.)
| | - Chunsheng Wu
- Institute of Medical Engineering, Department of Biophysics, School of Basic Medical Sciences, Xi’an Jiaotong University, Xi’an 710061, China; (Y.T.); (P.Z.); (Y.C.); (W.C.); (L.D.)
| | - Ping Wang
- Biosensor National Special Laboratory, Key Laboratory for Biomedical Engineering of Ministry of Education, Department of Biomedical Engineering, Zhejiang University, Hangzhou 310027, China;
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Feng Q, Wang M, Qin L, Wang P. Dual-Signal Readout of DNA Methylation Status Based on the Assembly of a Supersandwich Electrochemical Biosensor without Enzymatic Reaction. ACS Sens 2019; 4:2615-2622. [PMID: 31507174 DOI: 10.1021/acssensors.9b00720] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
A highly sensitive and selective biosensing system was designed to analyze DNA methylation using a dual-signal readout technique in combination with the signal amplification of supersandwich DNA structure. Through the ingenious design of target-triggered cascade of hybridization chain reaction, one target DNA could initiate the formation of supersandwich structure with multiple signal probes. As a result, one-to-multiple amplification effect was achieved, which conferred high sensitivity to target molecular recognition. Based on probe 1 labeled with ferrocene and probe 2 modified with methylene blue, the target DNA was clearly recognized by two electrochemical signals at independent potentials, which was helpful for the acquisition of more accurate detection results. Taking advantage of bisulfite conversion, the methylation status of cytosine (C) was changed to nucleic acid sequence status, which facilitated the hybridization-based detection without enzymatic reaction. Consequently, the methylated DNA was detected at the femtomolar level with satisfactory analytical parameters. The proposed system was effectively used to assess methylated DNA in human blood serum samples, illuminating the possibility of the sensing platform for applications in disease diagnosis and biochemistry research.
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Affiliation(s)
- Qiumei Feng
- Department of Chemistry, Jiangsu Normal University, Xuzhou 221116, China
| | - Mengying Wang
- Department of Chemistry, Jiangsu Normal University, Xuzhou 221116, China
| | - Li Qin
- Department of Chemistry, Jiangsu Normal University, Xuzhou 221116, China
| | - Po Wang
- Department of Chemistry, Jiangsu Normal University, Xuzhou 221116, China
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Abrosimova LA, Kisil OV, Romanova EA, Oretskaya TS, Kubareva EA. Nicking Endonucleases as Unique Tools for Biotechnology and Gene Engineering. RUSSIAN JOURNAL OF BIOORGANIC CHEMISTRY 2019. [DOI: 10.1134/s1068162019050017] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Wang W, Yu S, Huang S, Bi S, Han H, Zhang JR, Lu Y, Zhu JJ. Bioapplications of DNA nanotechnology at the solid-liquid interface. Chem Soc Rev 2019; 48:4892-4920. [PMID: 31402369 PMCID: PMC6746594 DOI: 10.1039/c8cs00402a] [Citation(s) in RCA: 47] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
DNA nanotechnology engineered at the solid-liquid interface has advanced our fundamental understanding of DNA hybridization kinetics and facilitated the design of improved biosensing, bioimaging and therapeutic platforms. Three research branches of DNA nanotechnology exist: (i) structural DNA nanotechnology for the construction of various nanoscale patterns; (ii) dynamic DNA nanotechnology for the operation of nanodevices; and (iii) functional DNA nanotechnology for the exploration of new DNA functions. Although the initial stages of DNA nanotechnology research began in aqueous solution, current research efforts have shifted to solid-liquid interfaces. Based on shape and component features, these interfaces can be classified as flat interfaces, nanoparticle interfaces, and soft interfaces of DNA origami and cell membranes. This review briefly discusses the development of DNA nanotechnology. We then highlight the important roles of structural DNA nanotechnology in tailoring the properties of flat interfaces and modifications of nanoparticle interfaces, and extensively review their successful bioapplications. In addition, engineering advances in DNA nanodevices at interfaces for improved biosensing both in vitro and in vivo are presented. The use of DNA nanotechnology as a tool to engineer cell membranes to reveal protein levels and cell behavior is also discussed. Finally, we present challenges and an outlook for this emerging field.
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Affiliation(s)
- Wenjing Wang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry & Chemical Engineering, Nanjing University, Nanjing 210023, China.
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Zeng J, Gan N, Zhang K, He L, Lin J, Hu F, Cao Y. Zero background and triple-signal amplified fluorescence aptasensor for antibiotics detection in foods. Talanta 2019; 199:491-498. [PMID: 30952289 DOI: 10.1016/j.talanta.2019.03.005] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Revised: 02/27/2019] [Accepted: 03/01/2019] [Indexed: 12/21/2022]
Abstract
It's important to eliminate matrix interference for accurate detecting antibiotic residues in complex food samples. In this study, we designed a zero-backgrounded fluorescence aptasensor to achieve on-site detection of antibiotic residues, with chloramphenicol (CAP) as representative analyte. Moreover, a three stir-bars assisted target recycling system (TSBTR) was designed to achieve triple signal amplification and increase the sensitivity. The bars included one magnetic stir-bar modified with two kinds of long DNA chains, and two gold stir-bars modified with Y shape-duplex DNA probes respectively. In the presence of CAP, the target could recurrently react with the probes on the bars and replace a large amount of long DNA chains into supernatant. After then, the bars were taken out and SYBR green dye was added to the solution. The dye can specifically intercalate into the duplex structures of DNA chains to emit fluorescence while not emitting a signal in its free state. Under the optimized experimental conditions, a wide linear response range of 5 orders of magnitude from 0.001 ng mL-1 to 10 ng mL-1 was achieved with a detection limit of 0.033 pg mL-1 CAP. The assay was successfully employed to detect CAP in food samples (milk & fish) with consistent results with ELISA's. High selectivity and sensitivity were attributed to the zero background signal and triple signal-amplification strategy. Moreover, the detection time can be shortened to 40 min due to that three signal amplified process can occur simultaneously. The fluorescent aptasensor was also label- and enzyme-free. All these ensure the platform to be rapid, cost-effective, easily-used, and is especially appropriate for detection antibiotics in food safety.
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Affiliation(s)
- Jin Zeng
- Faculty of material science and chemical engineering, Ningbo University, Ningbo 315211, China
| | - Ning Gan
- Faculty of material science and chemical engineering, Ningbo University, Ningbo 315211, China.
| | - Kai Zhang
- Faculty of marine, Ningbo University, Ningbo 315211, China
| | - Liyong He
- Faculty of material science and chemical engineering, Ningbo University, Ningbo 315211, China
| | - Jianyuan Lin
- School of food and environment, Zhejiang wanli university, Ningbo 315200, China
| | - Futao Hu
- Faculty of marine, Ningbo University, Ningbo 315211, China.
| | - Yuting Cao
- Faculty of material science and chemical engineering, Ningbo University, Ningbo 315211, China
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Qian C, Wang R, Wu H, Ji F, Wu J. Nicking enzyme-assisted amplification (NEAA) technology and its applications: A review. Anal Chim Acta 2019; 1050:1-15. [DOI: 10.1016/j.aca.2018.10.054] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 10/22/2018] [Accepted: 10/23/2018] [Indexed: 01/13/2023]
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12
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Li M, Tian X, Liang W, Yuan R, Chai Y. Ultrasensitive Photoelectrochemical Assay with PTB7-Th/CdTe Quantum Dots Sensitized Structure as Signal Tag and Benzo-4-chlorohexadienone Precipitate as Efficient Quencher. Anal Chem 2018; 90:14521-14526. [PMID: 30444350 DOI: 10.1021/acs.analchem.8b04370] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Herein, an ultrasensitive photoelectrochemical (PEC) assay was developed for the monitoring of microRNA-141 (miRNA-141) based on poly{4,8-bis[5-(2-ethylhexyl)thiophen-2-yl]benzo[1,2- b:4,5- b']dithiophene-2,6-diyl- alt-3-fluoro-2-[(2-ethylhexyl)carbonyl]thieno[3,4- b]thiophene-4,6-diyl}/CdTe quantum dots ( PTB7-Th/CdTe QDs) sensitized structure as signal tag and the benzo-4-chlorohexadienone (4-CD) precipitate as efficient quencher. PTB7-Th and CdTe QDs were successively modified on the electrode surface to form a novel sensitized structure with eminent photovoltaic performances and surpassing film-forming ability. The PTB7-Th/CdTe QDs sensitized structure served as signal tag for achieving a strong initial PEC signal. Besides, a tiny amount of target (miRNA-141) could be transformed into numerous DNA products via enzyme-assisted target cycling procedure, which further triggered the formation of a DNA supersandwich structure on the electrode surface for loading abundant manganese porphyrin (MnPP). Thereafter, MnPP as mimetic enzyme could catalyze 4-chloro-1-naphthol (4-CN) to generate 4-CD precipitate on the sensing interface in the presence of H2O2, which could efficiently block electron transfer, leading to a significantly quenched PEC signal for determination of miRNA-141. The designed PEC biosensor performed a wide detection range from 0.1 fM to 1 nM with a low detection limit of 33 aM for miRNA-141, which paved a new avenue for highly accurate and ultrasensitive monitoring of multifarious analytes in bioanalysis and clinical diagnosis.
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Affiliation(s)
- Mengjie Li
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , People's Republic of China
| | - Xin Tian
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , People's Republic of China
| | - Wenbin Liang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , People's Republic of China
| | - Ruo Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , People's Republic of China
| | - Yaqin Chai
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering , Southwest University , Chongqing 400715 , People's Republic of China
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Amperometric DNA biosensor for Mycobacterium tuberculosis detection using flower-like carbon nanotubes-polyaniline nanohybrid and enzyme-assisted signal amplification strategy. Biosens Bioelectron 2018; 119:215-220. [DOI: 10.1016/j.bios.2018.08.023] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 08/02/2018] [Accepted: 08/10/2018] [Indexed: 01/08/2023]
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14
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Xu H, Jiang Y, Liu D, Liu K, Zhang Y, Yu S, Shen Z, Wu ZS. Twin target self-amplification-based DNA machine for highly sensitive detection of cancer-related gene. Anal Chim Acta 2018; 1011:86-93. [DOI: 10.1016/j.aca.2018.01.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 01/05/2018] [Accepted: 01/06/2018] [Indexed: 01/08/2023]
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15
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A protease-free and signal-on electrochemical biosensor for ultrasensitive detection of lead ion based on GR-5 DNAzyme and catalytic hairpin assembly. J Electroanal Chem (Lausanne) 2018. [DOI: 10.1016/j.jelechem.2018.03.036] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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16
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Zhang H, Yang Y, Dong H, Cai C. A superstructure-based electrochemical assay for signal-amplified detection of DNA methyltransferase activity. Biosens Bioelectron 2016; 86:927-932. [DOI: 10.1016/j.bios.2016.07.103] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 07/11/2016] [Accepted: 07/28/2016] [Indexed: 12/12/2022]
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17
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DNA hybridization chain reaction and DNA supersandwich self-assembly for ultrasensitive detection. Sci China Chem 2016. [DOI: 10.1007/s11426-016-0262-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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18
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Zheng Y, Liang W, Yuan Y, Xiong C, Xie S, Wang H, Chai Y, Yuan R. Wavelength-resolved simultaneous photoelectrochemical bifunctional sensor on single interface: A newly in vitro approach for multiplexed DNA monitoring in cancer cells. Biosens Bioelectron 2016; 81:423-430. [DOI: 10.1016/j.bios.2016.03.032] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Revised: 03/05/2016] [Accepted: 03/14/2016] [Indexed: 11/25/2022]
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19
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Liu S, Wei W, Wang Y, Fang L, Wang L, Li F. Ultrasensitive electrochemical detection of nucleic acid by coupling an autonomous cascade target replication and enzyme/gold nanoparticle-based post-amplification. Biosens Bioelectron 2016; 80:208-214. [PMID: 26849348 DOI: 10.1016/j.bios.2016.01.067] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2015] [Revised: 01/20/2016] [Accepted: 01/27/2016] [Indexed: 10/22/2022]
Abstract
Owing to the intrinsic importance of nucleic acid as bio-targets, the development of isothermal and ultrasensitive electrochemical DNA biosensor is very essential for biological studies and medical diagnostics. Herein, the autonomous cascade DNA replication strategy was effectively married with the enzyme/gold nanoparticle-based post-amplification strategy to promote the detection performance toward target DNA. A hairpin DNA probe (HP) is designed that consists of an overhang at 3'-end as the recognition unit for target DNA, a recognition site for nicking endonuclease, and an alkane spacer to terminate polymerization reaction. The autonomous DNA replication-scission-displacement reaction operated by the nicking endonuclease/KF polymerase induced the autocatalytic opening of HP, which was then specifically bound by the enzyme/gold nanoparticles for further dual-signal amplification toward target-related sensing events. A low detection limit of 0.065 fM with an excellent selectivity toward target DNA could be achieved. The proposed biosensor could be also easily regenerated for target detection. The developed biosensor creates an opportunity for the effective coupling of the target replication with post-amplification strategies and thus opens a promising avenue for the detection of nucleic acid with low abundance in bioanalysis and clinical biomedicine.
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Affiliation(s)
- Shufeng Liu
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, No.53, Rd. Zhengzhou, Qingdao, Shandong 266042, China.
| | - Wenji Wei
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, No.53, Rd. Zhengzhou, Qingdao, Shandong 266042, China
| | - Yanqun Wang
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, No.53, Rd. Zhengzhou, Qingdao, Shandong 266042, China
| | - Li Fang
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, No.53, Rd. Zhengzhou, Qingdao, Shandong 266042, China
| | - Li Wang
- Key Laboratory of Sensor Analysis of Tumor Marker, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, No.53, Rd. Zhengzhou, Qingdao, Shandong 266042, China.
| | - Feng Li
- College of Chemistry and Pharmaceutical Sciences, Qingdao Agricultural University, Qingdao, Shandong 266109, China.
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20
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Miao X, Li Z, Ling L. Fluorescence recognition of double-stranded DNA based on the quenching of gold nanoparticles to a fluorophore labeled DNA probe. Analyst 2016; 141:5829-5834. [DOI: 10.1039/c6an01145d] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This work described an ultrasensitive fluorescent sensor for sequence-specific recognition of dsDNA based on the quenching of gold nanoparticles (AuNPs) to a fluorophore labeled DNA probe.
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Affiliation(s)
- Xiangmin Miao
- School of Life Science
- Jiangsu Normal University
- Xuzhou 221116
- PR China
| | - Zongbing Li
- School of Life Science
- Jiangsu Normal University
- Xuzhou 221116
- PR China
| | - Liansheng Ling
- School of Chemistry and Chemical Engineering
- Sun Yat-Sen University
- Guangzhou 510275
- PR China
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21
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Yang Y, Gao F, Cai X, Yuan X, He S, Gao F, Guo H, Wang Q. β-Cyclodextrin functionalized graphene as a highly conductive and multi-site platform for DNA immobilization and ultrasensitive sensing detection. Biosens Bioelectron 2015; 74:447-53. [DOI: 10.1016/j.bios.2015.06.018] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2015] [Revised: 05/26/2015] [Accepted: 06/09/2015] [Indexed: 10/23/2022]
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22
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Hybridization chain reaction and gold nanoparticles dual signal amplification for sensitive glucose detection. Biochem Eng J 2015. [DOI: 10.1016/j.bej.2015.08.001] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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23
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Lable-free quadruple signal amplification strategy for sensitive electrochemical p53 gene biosensing. Biosens Bioelectron 2015; 77:157-63. [PMID: 26406456 DOI: 10.1016/j.bios.2015.09.011] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Revised: 08/22/2015] [Accepted: 09/04/2015] [Indexed: 11/21/2022]
Abstract
A versatile label-free quadruple signal amplification biosensing platform for p53 gene (target DNA) detection was proposed. The chitosan-graphene (CS-GR) modified electrode with excellent electron transfer ability could provide a large specific surface for high levels of AuNPs-DNA attachment. The large amount of AuNPs could immobilize more capture probes and enhance the electrochemical signal with the excellent electrocatalytic activity. Furthermore, with the assist of N.BstNB I (the nicking endonuclease), target DNA could be reused and more G-quadruplex-hemin DNAzyme could be formed, allowing significant signal amplification in the presence of H2O2. Such strategy can enhance the oxidation-reduction reaction of adsorbed methylene blue (MB) and efficiently improve the sensitivity of the proposed biosensor. The morphologies of materials and the stepwise biosensor were characterized by scanning electron microscopy (SEM), transmission electron microscopy (TEM) and cyclic voltammetry (CV). Differential pulse voltammetry (DPV) signals of MB provided quantitative measures of the concentrations of target DNA, with a linear calibration range of 1.0 × 10(-15)-1.0 × 10(-9)M and a detection limit of 3.0 × 10(-16)M. Moreover, the resulting biosensor also exhibited good specificity, acceptable reproducibility and stability, indicating that the present strategy was promising for broad potential application in clinic assay.
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24
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Gerasimova YV, Kolpashchikov DM. Enzyme-assisted target recycling (EATR) for nucleic acid detection. Chem Soc Rev 2015; 43:6405-38. [PMID: 24901032 DOI: 10.1039/c4cs00083h] [Citation(s) in RCA: 160] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Fast, reliable and sensitive methods for nucleic acid detection are of growing practical interest with respect to molecular diagnostics of cancer, infectious and genetic diseases. Currently, PCR-based and other target amplification strategies are most extensively used in practice. At the same time, such assays have limitations that can be overcome by alternative approaches. There is a recent explosion in the design of methods that amplify the signal produced by a nucleic acid target, without changing its copy number. This review aims at systematization and critical analysis of the enzyme-assisted target recycling (EATR) signal amplification technique. The approach uses nucleases to recognize and cleave the probe-target complex. Cleavage reactions produce a detectable signal. The advantages of such techniques are potentially low sensitivity to contamination and lack of the requirement of a thermal cycler. Nucleases used for EATR include sequence-dependent restriction or nicking endonucleases or sequence independent exonuclease III, lambda exonuclease, RNase H, RNase HII, AP endonuclease, duplex-specific nuclease, DNase I, or T7 exonuclease. EATR-based assays are potentially useful for point-of-care diagnostics, single nucleotide polymorphisms genotyping and microRNA analysis. Specificity, limit of detection and the potential impact of EATR strategies on molecular diagnostics are discussed.
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Affiliation(s)
- Yulia V Gerasimova
- Chemistry Department, University of Central Florida, 4000 Central Florida Blvd., Orlando, FL 32816, USA.
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25
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Chen X, Wang Q, Wang L, Guo H, Yang Y, Li F, Gao F. Construction of a Novel Colitoxin DNA Biosensor Based on Cross-Linker-Free Fixation of Probe Fragments on the Interface of Rugby-Ball-Shaped CoS2 Submicroparticles and Poly(2-thiophenesulfonyl chloride) Composite Film. Ind Eng Chem Res 2015. [DOI: 10.1021/ie503831k] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Xiaoqian Chen
- Department of
Chemistry and Environment, Fujian
Provincal Key Laboratory of Modern Analytical Science and Separation
Technology, Minnan Normal University, Zhangzhou 363000, PR China
| | - Qingxiang Wang
- Department of
Chemistry and Environment, Fujian
Provincal Key Laboratory of Modern Analytical Science and Separation
Technology, Minnan Normal University, Zhangzhou 363000, PR China
| | - Liheng Wang
- Department of
Chemistry and Environment, Fujian
Provincal Key Laboratory of Modern Analytical Science and Separation
Technology, Minnan Normal University, Zhangzhou 363000, PR China
| | - Hongxu Guo
- Department of
Chemistry and Environment, Fujian
Provincal Key Laboratory of Modern Analytical Science and Separation
Technology, Minnan Normal University, Zhangzhou 363000, PR China
| | - Yizhen Yang
- Department of
Chemistry and Environment, Fujian
Provincal Key Laboratory of Modern Analytical Science and Separation
Technology, Minnan Normal University, Zhangzhou 363000, PR China
| | - Feiming Li
- Department of
Chemistry and Environment, Fujian
Provincal Key Laboratory of Modern Analytical Science and Separation
Technology, Minnan Normal University, Zhangzhou 363000, PR China
| | - Feng Gao
- Department of
Chemistry and Environment, Fujian
Provincal Key Laboratory of Modern Analytical Science and Separation
Technology, Minnan Normal University, Zhangzhou 363000, PR China
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26
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Zhang C, Lou J, Tu W, Bao J, Dai Z. Ultrasensitive electrochemical biosensing for DNA using quantum dots combined with restriction endonuclease. Analyst 2015; 140:506-11. [DOI: 10.1039/c4an01284d] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
A sensitive platform using endonuclease and AuNPs as well as environmental Bi film for the detection of DNA has been developed.
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Affiliation(s)
- Can Zhang
- Jiangsu Key Laboratory of Biofunctional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing
- P. R. China
| | - Jing Lou
- Jiangsu Key Laboratory of Biofunctional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing
- P. R. China
| | - Wenwen Tu
- Jiangsu Key Laboratory of Biofunctional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing
- P. R. China
| | - Jianchun Bao
- Jiangsu Key Laboratory of Biofunctional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing
- P. R. China
| | - Zhihui Dai
- Jiangsu Key Laboratory of Biofunctional Materials
- College of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing
- P. R. China
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27
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Yuan L, Tu W, Bao J, Dai Z. Versatile biosensing platform for DNA detection based on a DNAzyme and restriction-endonuclease-assisted recycling. Anal Chem 2014; 87:686-92. [PMID: 25493424 DOI: 10.1021/ac5034903] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
On the basis of a DNAzyme and a restriction-endonuclease-assisted target recycling strategy using Pd-Au alloy nanocrystals to immobilize probe DNA on an electrode and catalyze the reduction of H2O2 which amplified signal and promoted the detection sensitivity, a versatile biosensing platform for DNA detection was proposed. Using p53 and oral cancer genes as models, hemin/G-quadruplex simultaneously acted as a reduced nicotinamide adenine dinucleotide (NADH) oxidase and a horseradish peroxidase (HRP)-mimicking DNAzyme, and a versatile DNA biosensor was designed for the first time based on the good electrocatalytic activity of Pd-Au alloy nanocrystals. Hemin/G-quadruplex catalyzed the reduction of H2O2, which was generated from NADH in the presence of O2, to produce an electrochemical signal when thionine functioned as the electron mediator. Moreover, the nicking endonuclease N.BstNB I caused the target DNA to cycle for multiple rounds and further amplified the electrochemical response. This versatile DNA biosensor exhibited linear ranges for the detection of p53 and oral cancer genes from 0.1 fmol L(-1) to 0.1 nmol L(-1) and 0.1 fmol L(-1) to 1 nmol L(-1), respectively. The detection limits, established as 3σ, were estimated to be 0.03 and 0.06 fmol L(-1) for the p53 and oral cancer genes, respectively. The as-prepared biosensor could discriminate mismatched sequences, indicating a satisfactory selectivity and validating the feasibility of the proposed strategy. More importantly, simply by changing the helper DNA, this versatile DNA biosensor could detect different target DNA species, which could create a new avenue for the potential diagnosis of cancer.
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Affiliation(s)
- Ling Yuan
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials and Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University , Nanjing, Jiangsu 210023, P. R. China
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28
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Hu Q, Hu W, Kong J, Zhang X. PNA-based DNA assay with attomolar detection limit based on polygalacturonic acid mediated in-situ deposition of metallic silver on a gold electrode. Mikrochim Acta 2014. [DOI: 10.1007/s00604-014-1351-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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29
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Wei W, Zhang L, Ni Q, Pu Y, Yin L, Liu S. Fabricating a reversible and regenerable electrochemical biosensor for quantitative detection of antibody by using "triplex-stem" DNA molecular switch. Anal Chim Acta 2014; 845:38-44. [PMID: 25201270 DOI: 10.1016/j.aca.2014.07.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2014] [Revised: 07/02/2014] [Accepted: 07/15/2014] [Indexed: 10/25/2022]
Abstract
A reversible and regenerable electrochemical biosensor is fabricated for quantitative detection of antibody based on "triplex-stem" molecular switches. A hairpin-shaped oligonucleotide (hairpin DNA) labeled with ferrocene (Fc) at the 3'-end is fixed on the gold electrode serving as a signal transduction probe. Its hairpin structure leads Fc close to the surface of gold electrode and produces a strong current signal (on-state). A single-strand oligonucleotide modified with two digoxin molecules on the two arm segments (capture DNA) interact with hairpin DNA with the help of Ag(+) ions. The "triplex-stem" DNA forms, which separates Fc from the electrode and reduces the electrochemical signal (off-state). Binding of digoxin antibody to digoxin releases capture DNA from the hairpin DNA, creating an effective "off-on" current signal switch. The stability of the "triplex-stem" structure of hairpin/capture DNA is critical to the signal switch and the sensitivity of the method, which can be adjusted conveniently and efficiently by changing Ag(+) concentrations. Based on the "off-on" current signal switch, this biosensor is used to detect digoxin antibody sensitively in blood serum. The linear range is 1.0-500 pg with a correlation coefficient of 0.996, and the detection limit is 0.4 pg. Also, this biosensor shows excellent reversibility and reproducibility, which are significant requirements for practical biosensor applications.
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Affiliation(s)
- Wei Wei
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, Jiangsu, PR China
| | - Linqun Zhang
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, Jiangsu, PR China
| | - Qiangwei Ni
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, Jiangsu, PR China
| | - Yuepu Pu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, Jiangsu, PR China
| | - Lihong Yin
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, Jiangsu, PR China
| | - Songqin Liu
- Key Laboratory of Environmental Medicine Engineering, Ministry of Education, School of Chemistry and Chemical Engineering, Southeast University, Nanjing 211189, Jiangsu, PR China.
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30
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Knez K, Spasic D, Janssen KPF, Lammertyn J. Emerging technologies for hybridization based single nucleotide polymorphism detection. Analyst 2014; 139:353-70. [PMID: 24298558 DOI: 10.1039/c3an01436c] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Detection of single nucleotide polymorphisms (SNPs) is a crucial challenge in the development of a novel generation of diagnostic tools. Accurate detection of SNPs can prove elusive, as the impact of a single variable nucleotide on the properties of a target sequence is limited, even if this sequence consists of only a few nucleotides. New, accurate and facile strategies for the detection of point mutations are therefore absolutely necessary for the increased adoption of point-of-care molecular diagnostics. Currently, PCR and sequencing are mostly applied for diagnosing SNPs. However these methods have serious drawbacks as routine diagnostic tools because of their labour intensity and cost. Several new, more suitable methods can be applied to enable sensitive detection of mutations based on specially designed hybridization probes, mutation recognizing enzymes and thermal denaturation. Here, an overview is presented of the most recent advances in the field of fast and sensitive SNP detection assays with strong potential for integration in point-of-care tests.
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Affiliation(s)
- Karel Knez
- KU Leuven, BIOSYST-MeBioS, Willem de Croylaan 42, Leuven, Belgium.
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31
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Yang M, Jiang B, Xie J, Xiang Y, Yuan R, Chai Y. Electrochemiluminescence recovery-based aptasensor for sensitive Ochratoxin A detection via exonuclease-catalyzed target recycling amplification. Talanta 2014; 125:45-50. [PMID: 24840413 DOI: 10.1016/j.talanta.2014.02.061] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2013] [Revised: 02/19/2014] [Accepted: 02/24/2014] [Indexed: 10/25/2022]
Abstract
Based on the recovery of the quantum dot (QD) electrochemiluminescence (ECL) and exonuclease-catalyzed target recycling amplification, the development of a highly sensitive aptasensor for Ochratoxin A (OTA) detection is described. The duplex DNA probes containing the biotin-modified aptamer are immobilized on a CdTe QD composite film-coated electrode. The presence of the OTA target leads to effective removal of the biotin-aptamers from the electrode surface via exonuclease-catalyzed recycling and reuse of OTA, which prevents the attachment of streptavidin-alkaline phosphatase (STV-ALP) through biotin-STV interaction. The electron transfer (ET) from the excited state CdTe QD ([CdTe](⁎)) to the electro-oxidized species of the enzymatic product of ALP during the potential scan is thus inhibited and the QD ECL emission is restored for quantitative OTA detection. Due to the exonuclease-catalyzed target recycling amplification, the inhibition effect of ET is significantly enhanced to achieve sensitive detection of OTA down to 0.64 pg mL(-1). The proposed method is selective for OTA and can be used to monitor OTA in real red wine samples. Our developed ECL recovery-based aptasensor thus offers great potential for the development of new ECL sensing platforms for various target analytes.
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Affiliation(s)
- Mengli Yang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Bingying Jiang
- School of Chemistry and Chemical Engineering, Chongqing University of Technology, Chongqing 400054, PR China.
| | - Jiaqing Xie
- School of Chemistry and Chemical Engineering, Chongqing University of Technology, Chongqing 400054, PR China
| | - Yun Xiang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China.
| | - Ruo Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
| | - Yaqin Chai
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry (Southwest University), Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, PR China
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32
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Xu J, Wang Q, Xiang Y, Yuan R, Chai Y. Cascade signal amplification for ultrasensitive electrochemical DNA detection. Analyst 2014; 139:128-32. [DOI: 10.1039/c3an01673k] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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33
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Ding L, Bond AM, Zhai J, Zhang J. Utilization of nanoparticle labels for signal amplification in ultrasensitive electrochemical affinity biosensors: A review. Anal Chim Acta 2013; 797:1-12. [DOI: 10.1016/j.aca.2013.07.035] [Citation(s) in RCA: 79] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2013] [Revised: 07/08/2013] [Accepted: 07/14/2013] [Indexed: 12/11/2022]
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34
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Persano S, Valentini P, Kim JH, Pompa PP. Colorimetric detection of human papilloma virus by double isothermal amplification. Chem Commun (Camb) 2013; 49:10605-7. [DOI: 10.1039/c3cc45459b] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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35
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Zhu Z, Lei J, Liu L, Ju H. Label-free electrochemical DNA sensing with a one-target-multitriggered hybridization chain reaction strategy. Analyst 2013; 138:5995-6000. [DOI: 10.1039/c3an01212c] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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36
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Gao F, Lei J, Ju H. Ultrasensitive fluorescence detection of bleomycin via exonuclease III-aided DNA recycling amplification. Chem Commun (Camb) 2013; 49:7561-3. [DOI: 10.1039/c3cc44275f] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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