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Lu X, Wang L, Li G, Wang Y, Hao G, Ding Y, Liu M, Fu S, Xu L, Ge N, Ge W. Ratiometric fluorescence platform for the ultrasensitive detection of kanamycin based on split aptamer co-recognition triggers Mg 2+-DNAzyme-driven DNA walker systems. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 928:172499. [PMID: 38631645 DOI: 10.1016/j.scitotenv.2024.172499] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/08/2024] [Accepted: 04/13/2024] [Indexed: 04/19/2024]
Abstract
In this work, a novel 3D-DNA walker signal amplification strategy was designed to construct a fluorescent aptasensor for the detection of kanamycin (KAN). The aptasensor utilizes split aptamers for the synergistic recognition of KAN. The presence of KAN induces the split aptamers recombination to form the Mg2+-DNAzyme structure, which is activated by Mg2+ to drive the 3D-DNA walker process for cascading signal amplification. Employing gold nanoflowers (AuNFs) as walking substrate material increases the local DNA concentration to enhance the walker efficiency. The prepared fluorescent aptasensor achieved efficient and sensitive detection of KAN with satisfactory results in the concentration range of 1 × 10-8 - 1 × 10-3 μg/kg and the detection limit of 5.63 fg/kg. Meanwhile, the designed fluorescent aptasensor exhibited favorable specificity, anti-interference, storage stability and reproducibility, and verified the feasibility of its application in milk samples. The present work provides an effective tool for the regulation of KAN contamination in animal-derived foods with promising prospects.
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Affiliation(s)
- Xia Lu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Long Wang
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Guowei Li
- Shaanxi Goat Milk Prod Qual Supervis & Inspect Ct, Qual Inspect Dept, Fuping Cty Inspect & Testing Ctr, Fuping 711700, PR China
| | - Yuxin Wang
- Shaanxi Zhongjian Test Technology Co., Ltd, Xi'an, Shaanxi 71000, PR China
| | - Guo Hao
- Shaanxi Goat Milk Prod Qual Supervis & Inspect Ct, Qual Inspect Dept, Fuping Cty Inspect & Testing Ctr, Fuping 711700, PR China
| | - Yi Ding
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Mengjia Liu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Shangchen Fu
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China
| | - Liqing Xu
- Shandong Institute for Food and Drug Control, Jinan, Shandong 250101,PR China
| | - Na Ge
- Tieling Food Inspection and Testing Center, Tieling, Liaoning 112608, PR China
| | - Wupeng Ge
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi 712100, PR China.
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Zheng L, Li Q, Deng X, Guo Q, Liu D, Nie G. A novel electrochemiluminescence biosensor based on Ru(bpy) 32+-functionalized MOF composites and cycle amplification technology of DNAzyme walker for ultrasensitive detection of kanamycin. J Colloid Interface Sci 2024; 659:859-867. [PMID: 38218089 DOI: 10.1016/j.jcis.2024.01.045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 12/21/2023] [Accepted: 01/06/2024] [Indexed: 01/15/2024]
Abstract
An electrochemiluminescence (ECL) sensing platform for ultrasensitive and highly selective detection of kanamycin (KANA) was developed based on the prepared Ru(bpy)32+-functionalized MOF (Ru@MOF) composites by hydrothermal synthesis and Ag+-dependent DNAzyme. In this sensor, the stem-loop DNA (HP) with the ferrocene (Fc) was used as substrate chain to quench the ECL emission generated by the Ru@MOF. Using the specific recognition effect between KANA and the KANA aptamer (Apt) and the DNAzyme dependence on Ag+, the KANA aptamer as the pendant strand of the DNAzyme was assembled on Ru@MOF/GCE with the aptamer. When both Ag+ and KANA were present simultaneously, KANA specifically was binded to KANA aptamer as a pendant chain. Subsequently, Ag+-dependent DNAzyme walker continuously cleaved the HP chain and released the modified end of Fc to restore the ECL signal of Ru@MOF composites, thus achieving selective and ultrasensitive detection of KANA. The constructed KANA biosensor exhibits a wide detection range (30 pM to 300 μM) accompanied by a low detection limit (13.7 pM). The KANA in seawater and milk samples are determined to evalute the practical application results of the sensor. This ECL detection strategy could be used for detecting other similar analytes and has broad potential application in biological analysis.
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Affiliation(s)
- Lu Zheng
- Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science, MOE, State Key Laboratory Base of Eco-chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Qing Li
- Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science, MOE, State Key Laboratory Base of Eco-chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Xukun Deng
- Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science, MOE, State Key Laboratory Base of Eco-chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Qingfu Guo
- Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science, MOE, State Key Laboratory Base of Eco-chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Dandan Liu
- Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science, MOE, State Key Laboratory Base of Eco-chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
| | - Guangming Nie
- Key Laboratory of Optic-Electric Sensing and Analytical Chemistry for Life Science, MOE, State Key Laboratory Base of Eco-chemical Engineering, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
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Lee HB, Son SE, Ha CH, Kim DH, Seong GH. Dual-mode colorimetric and photothermal aptasensor for detection of kanamycin using flocculent platinum nanoparticles. Biosens Bioelectron 2024; 249:116007. [PMID: 38194812 DOI: 10.1016/j.bios.2024.116007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/03/2024] [Accepted: 01/04/2024] [Indexed: 01/11/2024]
Abstract
Chitosan (CS)-stabilized platinum nanoparticles (CS/PtNPs) were employed to develop a novel aptamer-based dual-mode colorimetric and photothermal biosensor for selective detection of kanamycin (KAN). As a peroxidase-like catalyst, the CS/PtNPs showed outstanding catalytic activity for the oxidation of 3,3',5,5'-tetramethylbenzidine (TMB) in the presence of hydrogen peroxide (H2O2). As a stabilizing agent, CS excelled at fixing the KAN binding aptamer on the surface of the CS/PtNPs, amplifying their catalytic activity and enhancing colloidal dispersion and stability. The oxidized TMB (TMBox) functioned as a signal for the colorimetric, photothermal aptasensor because of its observable absorbance of light in the visible and near-infrared (NIR) regions. When light from a NIR laser was absorbed by the TMBox in the reaction solution, heat was generated in inverse proportion to the KAN concentration. The developed colorimetric and photothermal modes of the aptasensor showed a linear detection range of 0.1-50 and 0.5-50 μM, with a limit of detection (LOD) of 0.04 and 0.41 μM, respectively. Moreover, the aptasensor successfully determined KAN concentrations in spiked milk samples, verifying the reliability and reproducibility in practical applications. The dual-mode aptasensor based on CS/PtNPs for KAN detection, utilizing both color change and heat generation signals through a single probe (TMBox), demonstrates rapid response, simplicity in operation, cost-effectiveness, and high sensitivity. In addition, unlike typical immunoassays, this aptamer-based peroxidase-like nanozyme activation and inhibition strategy required no washing process, which was very effective in terms of reducing the time required for an assay and sustaining a high sensitivity.
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Affiliation(s)
- Han Been Lee
- Department of Bionano Engineering, Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, 426-791, South Korea
| | - Seong Eun Son
- Department of Bionano Engineering, Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, 426-791, South Korea
| | - Chang Hyeon Ha
- Department of Bionano Engineering, Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, 426-791, South Korea
| | - Do Hyeon Kim
- Department of Bionano Engineering, Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, 426-791, South Korea
| | - Gi Hun Seong
- Department of Bionano Engineering, Center for Bionano Intelligence Education and Research, Hanyang University, Ansan, 426-791, South Korea.
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Fan C, Xie L, Zhao F, Wang J, Lin X, Chen X. Novel fluorescence nano-orbital biosensor for highly sensitive microRNA detection. Anal Chim Acta 2024; 1288:342172. [PMID: 38220303 DOI: 10.1016/j.aca.2023.342172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2023] [Revised: 11/18/2023] [Accepted: 12/20/2023] [Indexed: 01/16/2024]
Abstract
BACKGROUND MicroRNAs play an important role in regulating cell function and gene expression. Early prevention and clinical diagnosis of diseases have high requirements for high-sensitivity detection of microRNAs. Due to the limitations of tedious operation and large sample size, miRNA with small molecular weight and low expression abundance cannot be accurately detected in traditional miRNA detection. To improve the sensitivity and accuracy of detection, we established a novel biosensor based on nucleic acid circuit of signal amplification, which converted miRNA recognition into a fluorescence signal for amplification. RESULTS We designed a biosensor based on an exponential amplification reaction with cascaded HCR and DNAzyme nucleic acid circuit (named E-NOF biosensor) by amplicon sub-fragments to trigger the construction of fluorescence nano-orbitals (NOF), which could be used to detect miRNA ultrasensitively. By modifying two fluorophores (Cy3 and Cy5) on the chain of constructing nano-orbitals, when the amplicon triggered the construction of nano-orbitals, fluorescence resonance energy transfer (FRET) occurred between Cy3 and Cy5, and then two fluorescence signals with different trends could be observed. Therefore, through the ratio of the two signals, we could quantitatively and quickly detect the miRNA from 1 fM to 100 nM, and the E-NOF biosensor detection limit was as low as 0.129 fM. Furthermore, the HCR nucleic acid circuit cascaded with DNAzyme could enrich the fluorophores on the nano-orbitals and significantly enhance the fluorescence signal by accelerating the reaction rate. SIGNIFICANCE According to our understanding, the E-NOF biosensor is the first strategy to cascade EXPAR with HCR and DNAzyme nucleic acid circuit for miRNA-1246 detection. Accurate results can be obtained in only 120 min. Compared with the traditional HCR system, the sensitivity of the new E-NOF biosensor is increased by 1 × 109 times. Furthermore, the biosensor can also detect biomarkers in human serum samples. It has great potential in miRNA detection and identification.
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Affiliation(s)
- Cong Fan
- College of Chemistry, Fuzhou University, 2 Xueyuan Road, Fuzhou, 350116, China
| | - Longjie Xie
- College of Chemistry, Fuzhou University, 2 Xueyuan Road, Fuzhou, 350116, China
| | - Feng Zhao
- College of Chemistry, Fuzhou University, 2 Xueyuan Road, Fuzhou, 350116, China; Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou, 350014, China
| | - Jingjing Wang
- College of Chemistry, Fuzhou University, 2 Xueyuan Road, Fuzhou, 350116, China
| | - Xiandong Lin
- Fujian Cancer Hospital & Fujian Medical University Cancer Hospital, Fuzhou, 350014, China
| | - Xian Chen
- College of Chemistry, Fuzhou University, 2 Xueyuan Road, Fuzhou, 350116, China.
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Nourizad A, Golmohammadi S, Aghanejad A, Tohidkia MR. Recent trends in aptamer-based nanobiosensors for detection of vascular endothelial growth factors (VEGFs) biomarker: A review. ENVIRONMENTAL RESEARCH 2023; 236:116726. [PMID: 37495062 DOI: 10.1016/j.envres.2023.116726] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2023] [Revised: 07/18/2023] [Accepted: 07/21/2023] [Indexed: 07/28/2023]
Abstract
Vascular endothelial growth factor (VEGF) is a remarkable cytokine that plays an important role in regulating vascular formation during the angiogenesis process. Therefore, real-time detection and quantification of VEGF is essential for clinical diagnosis and treatment due to its overexpression in various tumors. Among various sensing strategies, the aptamer-based sensors in combination with biological molecules improve the detection ability VEGFs. Aptamers are suitable biological recognition agents for the preparation of sensitive and reproducible aptasensors (Apt-sensors) due to their low immunogenicity, simple and straightforward chemical modification, and high resistance to denaturation. Here, a summary of the strategies for immobilization of aptamers (e.g., direct or self-assembled monolayer (SAM) attachment, etc.) on different types of electrodes was provided. Moreover, we discussed nanoparticle deposition techniques and surface modification methods used for signal amplification in the detection of VEGF. Furthermore, we are investigating various types of optical and electrochemical Apt-sensors used to improve sensor characterization in the detection of VEGF biomarkers.
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Affiliation(s)
- Abolfazl Nourizad
- Research Center for Pharmaceutical Nanotechnology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Electronics, Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran
| | - Saeed Golmohammadi
- Department of Electronics, Faculty of Electrical and Computer Engineering, University of Tabriz, Tabriz, Iran
| | - Ayuob Aghanejad
- Research Center for Pharmaceutical Nanotechnology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Nuclear Medicine, Faculty of Medicine, Imam Reza General Hospital, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Mohammad Reza Tohidkia
- Research Center for Pharmaceutical Nanotechnology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran.
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Qiu M, Ren Y, Huang L, Zhu X, Liang T, Li M, Tang D. FeNC nanozyme-based electrochemical immunoassay for sensitive detection of human epidermal growth factor receptor 2. Mikrochim Acta 2023; 190:378. [PMID: 37672131 DOI: 10.1007/s00604-023-05964-z] [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: 07/23/2023] [Accepted: 08/29/2023] [Indexed: 09/07/2023]
Abstract
The proof-of-concept of sensitive electrochemical immunoassay for the quantitative monitoring of human epidermal growth factor receptor 2 (HER2) is reported. The assay is carried out on iron nitrogen-doped carbon (FeNC) nanozyme-modified screen-printed carbon electrode using chronoamperometry. Introduction of target HER2 can induce the sandwiched immunoreaction between anti-HER2 monoclonal antibody-coated microplate and biotinylated anti-HER2 polyclonal antibody. Thereafter, streptavidin-glucose oxidase (GOx) conjugate is bonded to the detection antibody. Upon addition of glucose, 3,3',5,5'-tetramethylbenzidine (TMB) is oxidized through the produced H2O2 with the assistance of GOx and FeNC nanozyme. The oxidized TMB is determined via chronoamperometry. Experimental results revealed that electrochemical immunosensing system exhibited good amperometric response, and allowed the detection of target HER2 as low as 4.5 pg/mL. High specificity and long-term stability are acquired with FeNC nanozyme-based sensing strategy. Importantly, our system provides a new opportunity for protein diagnostics.
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Affiliation(s)
- Minghao Qiu
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry, Fuzhou University, Fuzhou, 350108, People's Republic of China
| | - Yuqing Ren
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry, Fuzhou University, Fuzhou, 350108, People's Republic of China
| | - Lumin Huang
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry, Fuzhou University, Fuzhou, 350108, People's Republic of China
| | - Xueying Zhu
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry, Fuzhou University, Fuzhou, 350108, People's Republic of China
| | - Tikai Liang
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry, Fuzhou University, Fuzhou, 350108, People's Republic of China
| | - Meijin Li
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry, Fuzhou University, Fuzhou, 350108, People's Republic of China.
| | - Dianping Tang
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry, Fuzhou University, Fuzhou, 350108, People's Republic of China.
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7
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Qiao M, Liu M, Wan Z, Suo Z, Liu Y, Wei M. A novel fluorescent aptasensor based on 3D porous nitrogen-sulfur co-doped carbon mesh and hybridization chain reaction for sensitive detection of ochratoxin A. Mikrochim Acta 2023; 190:313. [PMID: 37470836 DOI: 10.1007/s00604-023-05897-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 07/03/2023] [Indexed: 07/21/2023]
Abstract
A novel three-dimensional (3D) porous nitrogen-sulfur co-doped carbon (N-S-C) mesh was synthesized and used for the first time as the quenching material to construct a fluorescent aptasensor for ochratoxin A (OTA) detection. The fluorescent aptasensor with enzyme-free signal amplification strategy was developed by using cDNA as a promoter to trigger hybridization chain reaction (HCR), which effectively improved the sensitivity of this aptasensor. In the absence of OTA, 3D porous N-S-C mesh can adsorb carboxyfluorescein FAM-labeled hairpin DNA1 (H1-FAM) and hairpin DNA2 (H2) and quench the fluorescence of FAM. In the presence of the OTA, the OTA specifically binds to the aptamer strand and the DNA duplex undergoes dissociation. The released cDNA in turn serves as a promoter for HCR, and the strand assembly of H1-FAM and H2 is triggered by the promoter to generate long-strand DNA polymers via HCR, resulting in an increasing fluorescent signal. Under optimal conditions, there was a good linear relationship between lgCOTA and fluorescence intensity difference in the range 0.01-500 ng/mL (R2 = 0.993), and the detection limit was 2.7 pg/mL. The designed sensor platform was applied to determine spiked OTA in peanut, wheat flour, corn flour, black tea, and wine with recoveries in the range of 94.4-119.6%.
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Affiliation(s)
- Mengxiang Qiao
- College of Food Science and Technology, Henan Key Laboratory of Cereal and Oil Food Safety Inspection and Control, Henan University of Technology, Zhengzhou, 450001, People's Republic of China
| | - Mingwei Liu
- College of Food Science and Technology, Henan Key Laboratory of Cereal and Oil Food Safety Inspection and Control, Henan University of Technology, Zhengzhou, 450001, People's Republic of China
| | - Zhigang Wan
- Food Inspection and Quarantine Technology Center of Shenzhen Customs, Shenzhen, 518045, People's Republic of China
| | - Zhiguang Suo
- College of Food Science and Technology, Henan Key Laboratory of Cereal and Oil Food Safety Inspection and Control, Henan University of Technology, Zhengzhou, 450001, People's Republic of China
| | - Yong Liu
- College of Chemistry and Chemical Engineering, Henan University, Kaifeng, 475004, People's Republic of China
| | - Min Wei
- College of Food Science and Technology, Henan Key Laboratory of Cereal and Oil Food Safety Inspection and Control, Henan University of Technology, Zhengzhou, 450001, People's Republic of China.
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Sun J, Ji H, Wang Y, Wang Y. Hybrid Projective Synchronization via PI Controller Based on DNA Strand Displacement. IEEE/ACM TRANSACTIONS ON COMPUTATIONAL BIOLOGY AND BIOINFORMATICS 2023; 20:1081-1091. [PMID: 35830409 DOI: 10.1109/tcbb.2022.3190397] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Classical three-variable chaotic system coupling synchronization has been implemented in previous work based on DNA strand displacement (DSD). Herein, by using DSD reactions as the foundation, a proportional integral (PI) controller for chaotic system is introduced to realize the hybrid projective synchronization for different four-variable chaotic systems. DSD-based chaotic systems are composed of catalysis modules, annihilation modules and degradation modules for realizing the construction of chaotic attractors. PI controllers are consist of catalysis, annihilation and adjust DSD modules that are easy to modify and can be added to chaotic system for achieving hybrid projective synchronization. Our work can be acted as the reference for the investigation of chaos synchronization.
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An electrochemical apta-assay based on hybridization chain reaction and aflatoxin B1-driven Ag-DNAzyme as amplification strategy. Bioelectrochemistry 2023; 149:108322. [DOI: 10.1016/j.bioelechem.2022.108322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 10/26/2022] [Accepted: 11/07/2022] [Indexed: 11/13/2022]
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Zhang C, Qu Q, Yao Y, Fan X, Wu G. Detection of Hepatitis C virus RNA using a novel hybridization chain reaction method that competitively dampens cascade amplification. PLoS One 2023; 18:e0268917. [PMID: 36897913 PMCID: PMC10004832 DOI: 10.1371/journal.pone.0268917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 05/11/2022] [Indexed: 03/11/2023] Open
Abstract
The hybridization chain reaction (HCR) is widely used for biosensing. However, HCR does not provide the required sensitivity. In this study, we reported a method to improve the sensitivity of HCR by dampening the cascade amplification. First, we designed a biosensor based on HCR, and an initiator DNA was used to trigger the cascade amplification. Optimization of the reaction was then performed, and the results showed that the limit of detection (LOD) for the initiator DNA was about 2.5 nM. Second, we designed a series of inhibitory DNAs to dampen the HCR cascade amplification, and DNA dampeners (50 nM) were applied in the presence of the DNA initiator (50 nM). One of the DNA dampeners (D5) showed the best inhibitory efficiency of greater than 80%. This was further applied at concentrations ranging from 0 nM to 10 nM to prohibit the HCR amplification caused by a 2.5 nM initiator DNA (the limit of detection for this initiator DNA). The results showed that 0.156 nM of D5 could significantly inhibit the signal amplification (p<0.05). Additionally, the limit of detection for the dampener D5 was 16 times lower than that for the initiator DNA. Based on this detection method, we achieved a detection limit as low as 0.625 nM for HCV-RNAs. In summary, we developed a novel method with improved sensitivity to detect the target designed to prohibit the HCR cascade. Overall, this method could be used to qualitatively detect the presence of single-stranded DNA/RNA.
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Affiliation(s)
- Chen Zhang
- Department of Diagnosis, Medical School, Southeast University, Nanjing, People’s Republic of China
- Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing, People’s Republic of China
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Zhongda Hospital, Southeast University, Nanjing, People’s Republic of China
| | - Qingrong Qu
- Department of tuberculosis, Shanghai Pulmonary Hospital, School of Medicine, Tongji University, Shanghai, People’s Republic of China
| | - Yuming Yao
- Department of Diagnosis, Medical School, Southeast University, Nanjing, People’s Republic of China
| | - Xiaobo Fan
- Department of Diagnosis, Medical School, Southeast University, Nanjing, People’s Republic of China
- * E-mail: (XF); (GW)
| | - Guoqiu Wu
- Department of Diagnosis, Medical School, Southeast University, Nanjing, People’s Republic of China
- Center of Clinical Laboratory Medicine, Zhongda Hospital, Southeast University, Nanjing, People’s Republic of China
- Jiangsu Provincial Key Laboratory of Critical Care Medicine, Zhongda Hospital, Southeast University, Nanjing, People’s Republic of China
- * E-mail: (XF); (GW)
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11
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Advances in biosensor development for the determination of antibiotics in cow's milk - A review. TALANTA OPEN 2022. [DOI: 10.1016/j.talo.2022.100145] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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12
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Li D, Ling S, Meng D, Zhou B, Liang P, Lv B. Sensitive fluorescent aptasensing of tobramycin on graphene oxide coupling strand displacement amplification and hybridization chain reaction. Int J Biol Macromol 2022; 220:1287-1293. [PMID: 36037911 DOI: 10.1016/j.ijbiomac.2022.08.158] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/21/2022] [Accepted: 08/23/2022] [Indexed: 11/05/2022]
Abstract
An ultrasensitive biosensor was designed and constructed for tobramycin detection. As a target recognition component, the DNA probe consists of an aptamer region for tobramycin binding and a template for amplification. In the absence of tobramycin, the probe was locked to form a stem-loop structure. In the presence of the target, the binding of tobramycin led to a conformational change in the probe. The released 3' end was used as a primer for the strand displacement amplification (SDA) to produce a large amount of single-stranded trigger DNA, which then efficiently initiated the following hybridization chain reaction (HCR) to produce a long duplex DNA with many fluorophores. The signals were detected after the addition of graphene oxide (GO) to quench the fluorescence from excess hairpin DNA. Through sequence and reaction condition optimization, the biosensor exhibited high selectivity for tobramycin. The linearity range and limit of detection (LOD) were 0.5-30 nM and 0.06 nM, respectively. Moreover, the application of detecting tobramycin in milk and lake water samples showed that this method is reliable and could be further used in food safety control and environmental monitoring.
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Affiliation(s)
- Dawei Li
- Co-Innovation Center for Sustainable Forestry in Southern China, Key Laboratory of State Forestry and Grassland Administration on Subtropical Forest Biodiversity Conservation, College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China.
| | - Shen Ling
- Co-Innovation Center for Sustainable Forestry in Southern China, Key Laboratory of State Forestry and Grassland Administration on Subtropical Forest Biodiversity Conservation, College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China
| | - Dudu Meng
- Jiangsu Key Laboratory for Biofunctional Molecules, College of Life Science and Chemistry, Jiangsu Second Normal University, Nanjing 210013, China
| | - Bing Zhou
- Co-Innovation Center for Sustainable Forestry in Southern China, Key Laboratory of State Forestry and Grassland Administration on Subtropical Forest Biodiversity Conservation, College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China
| | - Pengda Liang
- Co-Innovation Center for Sustainable Forestry in Southern China, Key Laboratory of State Forestry and Grassland Administration on Subtropical Forest Biodiversity Conservation, College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037, China
| | - Bei Lv
- Jiangsu Key Laboratory for Biofunctional Molecules, College of Life Science and Chemistry, Jiangsu Second Normal University, Nanjing 210013, China.
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Liu J, Wang M, Zhang C, Li G, Shen Q, Zou L. An ingenious electrochemical aptasensor for detection of CYFRA 21–1 based on dual-output toehold mediated strand displacement reaction. Bioelectrochemistry 2022; 147:108203. [DOI: 10.1016/j.bioelechem.2022.108203] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 06/28/2022] [Accepted: 06/30/2022] [Indexed: 11/02/2022]
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14
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Margiana R, Hammid AT, Ahmad I, Alsaikhan F, Turki Jalil A, Tursunbaev F, Umar F, Romero Parra RM, Fakri Mustafa Y. Current Progress in Aptasensor for Ultra-Low Level Monitoring of Parkinson's Disease Biomarkers. Crit Rev Anal Chem 2022; 54:617-632. [PMID: 35754381 DOI: 10.1080/10408347.2022.2091920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
In today's world, Parkinson's disease (PD) has been introduced as a long-term degenerative disorder of the central nervous system which mainly affects approximately more than ten million people worldwide. The vast majority of diagnostic methods for PD have operated based on conventional sensing platforms, while the traditional laboratory tests are not efficient for diagnosis of PD in the early stage due to symptoms of this common neurodegenerative syndrome starting slowly. The advent of the aptasensor has revolutionized the early-stage diagnosis of PD by measuring related biomarkers due to the myriad advantages of originating from aptamers which can be able to sensitive and selective capture various types of related biomarkers. The progress of numerous sensing platforms and methodologies in terms of biosensors based on aptamer application for PD diagnosis has revealed promising results. In this review, we present the latest developments in myriad types of aptasensors for the determination of related PD biomarkers. Working strategies, advantages and limitations of these sensing approaches are also mentioned, followed by prospects and challenges.
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Affiliation(s)
- Ria Margiana
- Department of Anatomy, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
- Master's Programme Biomedical Sciences, Faculty of Medicine, Universitas Indonesia, Jakarta, Indonesia
- Dr. Soetomo General Academic Hospital, Indonesia Surabaya
| | - Ali Thaeer Hammid
- Computer Engineering Techniques Department, Faculty of Information Technology, Imam Ja'afar Al-Sadiq University, Baghdad, Iraq
| | - Irfan Ahmad
- Department of Clinical Laboratory Science, College of Applied Medical Sciences, King Khalid University, Abha, Saudi Arabia
| | - Fahad Alsaikhan
- College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Abduladheem Turki Jalil
- Medical Laboratories Techniques Department, Al-Mustaqbal University College, Babylon, Hilla, Iraq
| | - Farkhod Tursunbaev
- Independent Researcher, "Medcloud" Educational Centre, Tashkent, Uzbekistan
- Research Scholar, Department of Science and Innovation, Akfa University, Tashkent, Uzbekistan
| | - Fadilah Umar
- Department of Sports Science, Faculty of Sports, Sebelas Maret University, Surakarta, Indonesia
| | | | - Yasser Fakri Mustafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, University of Mosul, Mosul, Iraq
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15
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Liu D, Jia F, Wei Y, Li Y, Meng S, You T. Programmable analytical feature of ratiometric electrochemical biosensor by alternating the binding site of ferrocene to
DNA
duplex for the detection of aflatoxin
B1. CHINESE J CHEM 2022. [DOI: 10.1002/cjoc.202200155] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Dong Liu
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Engineering Jiangsu University Zhenjiang Jiangsu 212013 China
| | - Fan Jia
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Engineering Jiangsu University Zhenjiang Jiangsu 212013 China
| | - Ya Wei
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Engineering Jiangsu University Zhenjiang Jiangsu 212013 China
| | - Yuye Li
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Engineering Jiangsu University Zhenjiang Jiangsu 212013 China
| | - Shuyun Meng
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Engineering Jiangsu University Zhenjiang Jiangsu 212013 China
| | - Tianyan You
- Key Laboratory of Modern Agricultural Equipment and Technology, Ministry of Education, School of Agricultural Engineering Jiangsu University Zhenjiang Jiangsu 212013 China
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16
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Evtugyn G, Porfireva A, Tsekenis G, Oravczova V, Hianik T. Electrochemical Aptasensors for Antibiotics Detection: Recent Achievements and Applications for Monitoring Food Safety. SENSORS (BASEL, SWITZERLAND) 2022; 22:3684. [PMID: 35632093 PMCID: PMC9143886 DOI: 10.3390/s22103684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 05/05/2022] [Accepted: 05/07/2022] [Indexed: 06/15/2023]
Abstract
Antibiotics are often used in human and veterinary medicine for the treatment of bacterial diseases. However, extensive use of antibiotics in agriculture can result in the contamination of common food staples such as milk. Consumption of contaminated products can cause serious illness and a rise in antibiotic resistance. Conventional methods of antibiotics detection such are microbiological assays chromatographic and mass spectroscopy methods are sensitive; however, they require qualified personnel, expensive instruments, and sample pretreatment. Biosensor technology can overcome these drawbacks. This review is focused on the recent achievements in the electrochemical biosensors based on nucleic acid aptamers for antibiotic detection. A brief explanation of conventional methods of antibiotic detection is also provided. The methods of the aptamer selection are explained, together with the approach used for the improvement of aptamer affinity by post-SELEX modification and computer modeling. The substantial focus of this review is on the explanation of the principles of the electrochemical detection of antibiotics by aptasensors and on recent achievements in the development of electrochemical aptasensors. The current trends and problems in practical applications of aptasensors are also discussed.
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Affiliation(s)
- Gennady Evtugyn
- A.M. Butlerov’ Chemistry Institute, Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia; (G.E.); (A.P.)
- Analytical Chemistry Department, Chemical Technology Institute, Ural Federal University, 19 Mira Street, 620002 Ekaterinburg, Russia
| | - Anna Porfireva
- A.M. Butlerov’ Chemistry Institute, Kazan Federal University, 18 Kremlevskaya Street, 420008 Kazan, Russia; (G.E.); (A.P.)
| | - George Tsekenis
- Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephessiou Street, 115 27 Athens, Greece;
| | - Veronika Oravczova
- Department of Nuclear Physics and Biophysics, Comenius University, Mlynska Dolina F1, 842 48 Bratislava, Slovakia;
| | - Tibor Hianik
- Department of Nuclear Physics and Biophysics, Comenius University, Mlynska Dolina F1, 842 48 Bratislava, Slovakia;
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17
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Tang T, Liu Y, Jiang Y. Recent Progress on Highly Selective and Sensitive Electrochemical Aptamer-based Sensors. Chem Res Chin Univ 2022; 38:866-878. [PMID: 35530120 PMCID: PMC9069955 DOI: 10.1007/s40242-022-2084-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 04/10/2022] [Indexed: 12/31/2022]
Abstract
Highly selective, sensitive, and stable biosensors are essential for the molecular level understanding of many physiological activities and diseases. Electrochemical aptamer-based (E-AB) sensor is an appealing platform for measurement in biological system, attributing to the combined advantages of high selectivity of the aptamer and high sensitivity of electrochemical analysis. This review summarizes the latest development of E-AB sensors, focuses on the modification strategies used in the fabrication of sensors and the sensing strategies for analytes of different sizes in biological system, and then looks forward to the challenges and prospects of the future development of electrochemical aptamer-based sensors.
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Affiliation(s)
- Tianwei Tang
- College of Chemistry, Beijing Normal University, Beijing, 100875 P. R. China
| | - Yinghuan Liu
- College of Chemistry, Beijing Normal University, Beijing, 100875 P. R. China
| | - Ying Jiang
- College of Chemistry, Beijing Normal University, Beijing, 100875 P. R. China
- Beijing National Laboratory for Molecular Sciences, Beijing, 100190 P. R. China
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18
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Yu C, Li N, Zhang R, Xie D, Li F, Cao Q. Reduced Graphene Oxide/Poly(2-Aminopyridine) Modified Molecularly Imprinted Glassy Carbon Electrode (GCE) for the Determination of Kanamycin in Milk and Pork by Differential Pulse Voltammetry (DPV). ANAL LETT 2022. [DOI: 10.1080/00032719.2022.2027431] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Chunya Yu
- School of Chemical Science and Technology, Key Laboratory of Medicinal Chemistry for Nature Resource, Ministry of Education, Yunnan University, Kunming, China
| | - Na Li
- School of Chemical Science and Technology, Key Laboratory of Medicinal Chemistry for Nature Resource, Ministry of Education, Yunnan University, Kunming, China
| | - Ruiying Zhang
- School of Chemical Science and Technology, Key Laboratory of Medicinal Chemistry for Nature Resource, Ministry of Education, Yunnan University, Kunming, China
| | - Dezhen Xie
- School of Chemical Science and Technology, Key Laboratory of Medicinal Chemistry for Nature Resource, Ministry of Education, Yunnan University, Kunming, China
| | - Fei Li
- School of Chemical Science and Technology, Key Laboratory of Medicinal Chemistry for Nature Resource, Ministry of Education, Yunnan University, Kunming, China
| | - Qiue Cao
- School of Chemical Science and Technology, Key Laboratory of Medicinal Chemistry for Nature Resource, Ministry of Education, Yunnan University, Kunming, China
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19
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Li J, Jiang L, Wang X, Zhu Z, Zhang Q, Liu S, Wang Y, Huang J. Ultrasensitive electrochemical aptasensor based on palindromic sequence mediated bidirectional SDA and a DNAzyme walker for kanamycin detection. NEW J CHEM 2022. [DOI: 10.1039/d2nj01368a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An electrochemical biosensing platform for kanamycin analysis based on SDA and a DNA walker.
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Affiliation(s)
- Jingjing Li
- School of Biological Sciences and Technology, University of Jinan, Jinan 250022, P. R. China
| | - Long Jiang
- Qingdao Spring Water-treatment Co., Ltd, Qingdao 266000, P. R. China
| | - Xu Wang
- Shandong Institute of Metrology and Science, Jinan, 250014, P. R. China
| | - Zhixue Zhu
- School of Biological Sciences and Technology, University of Jinan, Jinan 250022, P. R. China
| | - Qingxin Zhang
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, P. R. China
| | - Su Liu
- School of Water Conservancy and Environment, University of Jinan, Jinan 250022, P. R. China
| | - Yu Wang
- School of Biological Sciences and Technology, University of Jinan, Jinan 250022, P. R. China
| | - Jiadong Huang
- School of Biological Sciences and Technology, University of Jinan, Jinan 250022, P. R. China
- Key Laboratory of Chemical Sensing & Analysis in Universities of Shandong, School of Chemistry and Chemical Engineering, University of Jinan, Jinan 250022, P. R. China
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20
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Yao Y, Hu T, Song C, Liu C, Kong D, Huang C, Zhu J, Shen W, Shi H, Tang S. Multiply-amplified strategy for the ultrasensitive detection of kanamycin via aptamer-triggered three-dimensional G-quadruplex/Ni-Fe layered double oxide frame networks. Anal Chim Acta 2021; 1187:339169. [PMID: 34753567 DOI: 10.1016/j.aca.2021.339169] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2021] [Revised: 09/20/2021] [Accepted: 10/11/2021] [Indexed: 10/20/2022]
Abstract
In this work, a multiply-amplified peroxidase-like colorimetric strategy was proposed for the high-specific recognition and ultrasensitive detection of kanamycin (Kana). Based on two Kana-aptamer triggered sequential reactions, G-quadruplex (G4) and DNA (hairpins) modified Ni-Fe layered double oxides (LDOs) could be obtained simultaneously. Later, a three-dimensional G4/LDO frame networks, as a novel DNAzyme, with enhanced peroxidase-like catalytic activity was assembled through electrostatic interaction. This DNAzyme catalyzed 3,3',5,5'-tetramethylbenzidine oxidation for the colorimetric detection of Kana. The enhancement principle was discussed and the charge transfer process during the catalytic reaction was investigated. Under the optimal experiment conditions, the proposed method exhibited high sensitivity, where the linear range is from 10 fM to 10 nM (r2 = 0.992), and the limit of detection is 3 fM (S/N = 3). The practicability of this assay was demonstrated by successfully application of residual Kana detection in genuine milk and urine samples.
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Affiliation(s)
- Yao Yao
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China
| | - Tao Hu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China
| | - Chang Song
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China
| | - Chang Liu
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China.
| | - Dezhao Kong
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China
| | - Cheng Huang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China
| | - Jia Zhu
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China
| | - Wei Shen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China.
| | - Haiwei Shi
- Jiangsu Institute for Food and Drug Control, Nanjing, 210019, Jiangsu Province, PR China; Key Laboratory for Impurity Profile of Chemical Drugs, National Medical Products Administration, Nanjing, 210019, Jiangsu Province, PR China
| | - Sheng Tang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212003, Jiangsu Province, PR China.
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21
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Zhu L, Hao H, Ding C, Gan H, Jiang S, Zhang G, Bi J, Yan S, Hou H. A Novel Photoelectrochemical Aptamer Sensor Based on CdTe Quantum Dots Enhancement and Exonuclease I-Assisted Signal Amplification for Listeria monocytogenes Detection. Foods 2021; 10:2896. [PMID: 34945447 PMCID: PMC8701101 DOI: 10.3390/foods10122896] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 11/14/2021] [Accepted: 11/16/2021] [Indexed: 11/16/2022] Open
Abstract
To achieve the rapid detection of Listeria monocytogenes, this study used aptamers for the original identification and built a photoelectrochemical aptamer sensor using exonuclease-assisted amplification. Tungsten trioxide (WO3) was used as a photosensitive material, was modified with gold nanoparticles to immobilize complementary DNA, and amplified the signal by means of the sensitization effect of CdTe quantum dots and the shearing effect of Exonuclease I (Exo I) to achieve high-sensitivity detection. This strategy had a detection limit of 45 CFU/mL in the concentration range of 1.3 × 101-1.3 × 107 CFU/mL. The construction strategy provides a new way to detect Listeria monocytogenes.
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Affiliation(s)
- Liangliang Zhu
- Department of Inorganic Nonmetallic Materials Engineering, Dalian Polytechnic University, Dalian 116034, China; (L.Z.); (C.D.); (H.G.); (S.J.); (S.Y.)
| | - Hongshun Hao
- Department of Inorganic Nonmetallic Materials Engineering, Dalian Polytechnic University, Dalian 116034, China; (L.Z.); (C.D.); (H.G.); (S.J.); (S.Y.)
- Liaoning Key Lab for Aquatic Processing Quality and Safety, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; (G.Z.); (J.B.); (H.H.)
| | - Chao Ding
- Department of Inorganic Nonmetallic Materials Engineering, Dalian Polytechnic University, Dalian 116034, China; (L.Z.); (C.D.); (H.G.); (S.J.); (S.Y.)
| | - Hanwei Gan
- Department of Inorganic Nonmetallic Materials Engineering, Dalian Polytechnic University, Dalian 116034, China; (L.Z.); (C.D.); (H.G.); (S.J.); (S.Y.)
| | - Shuting Jiang
- Department of Inorganic Nonmetallic Materials Engineering, Dalian Polytechnic University, Dalian 116034, China; (L.Z.); (C.D.); (H.G.); (S.J.); (S.Y.)
| | - Gongliang Zhang
- Liaoning Key Lab for Aquatic Processing Quality and Safety, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; (G.Z.); (J.B.); (H.H.)
| | - Jingran Bi
- Liaoning Key Lab for Aquatic Processing Quality and Safety, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; (G.Z.); (J.B.); (H.H.)
| | - Shuang Yan
- Department of Inorganic Nonmetallic Materials Engineering, Dalian Polytechnic University, Dalian 116034, China; (L.Z.); (C.D.); (H.G.); (S.J.); (S.Y.)
| | - Hongman Hou
- Liaoning Key Lab for Aquatic Processing Quality and Safety, School of Food Science and Technology, Dalian Polytechnic University, Dalian 116034, China; (G.Z.); (J.B.); (H.H.)
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22
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Cook S, Honeychurch KC. Forensic electrochemical presumptive blood test based on the voltammetric behaviour of methylene blue and whole blood. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:4985-4993. [PMID: 34622254 DOI: 10.1039/d1ay01358k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
The ability to identify the presence of blood residues is important in a number of fields, such as in the forensic and archaeological sciences. A number of tests presently exist; however, these suffer drawbacks, such as difficulties with the interpretation of positive results and interferences from common chemicals and reagents. In this present study, for the first time, we demonstrate the possibility of applying an electrochemical technique as a semi-quantitative presumptive test for the detection of blood residues. Our method is based on the cyclic voltammetric behaviour of the methylene blue mediated detection of haemoglobin present in blood residues. Initial studies investigated the voltammetric behaviour of methylene blue and the possibility of using it for the mediated detection of haemoglobin. Using this approach, it was shown to be possible to detect haemoglobin and hence the presence of blood. We have shown the possibility of successfully identifying the presence of whole blood residues recovered from cloth gaining a coefficient of variation of 5.3%. Our method was shown to overcome many of the commonly reported interferences and interpretation issues. The results demonstrate that the developed method could be successfully used for the detection of blood residues in such samples requiring only simple dilution of the sample.
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Affiliation(s)
- Sarah Cook
- Faculty of Health and Applied Sciences, Department of Applied Sciences, University of the West of England, Frenchay Campus, Coldharbour Lane, Bristol, BS16 1QY, UK.
| | - Kevin C Honeychurch
- Faculty of Health and Applied Sciences, Department of Applied Sciences, University of the West of England, Frenchay Campus, Coldharbour Lane, Bristol, BS16 1QY, UK.
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23
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Lu J, Hao L, Yang F, Liu Y, Yang H, Yan S. Ultrasensitive electrochemical detection of CYFRA 21-1 via in-situ initiated ROP signal amplification strategy. Anal Chim Acta 2021; 1180:338889. [PMID: 34538315 DOI: 10.1016/j.aca.2021.338889] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 07/19/2021] [Accepted: 07/24/2021] [Indexed: 12/26/2022]
Abstract
The cytokeratin19 fragment (CYFRA 21-1) is an essential biomarker for non-small cell lung cancer (NSCLC). This work proposed a novel electrochemical immunosensor with a high selective and sensitive detection of CYFRA 21-1via the ring-opening polymerization (ROP) signal amplification strategy. Specifically, 3-mercaptopropionic (MPA) was employed as a cross-linking agent to immobilize cAb on the electrode surface for subsequent specific capture of CYFRA 21-1. After CYFRA 21-1 bound to cAb, the amino groups of them were blocked with acrolein. Then, the sandwich-type compositions were formed via the specific recognition between detection antibody (dAb) and CYFRA 21-1. Finally, the ROP was triggered by the amino group on dAb and the polymers containing a large number of ferrocene electroactive molecules were in situ grown on the electrode surface, thereby outputting a high sensing signal. Under optimal conditions, the fabricated immunosensor showed an ultrasensitive and highly selective with a linear range of 1 pg/mL ∼1 μg/mL, and the detection limit down to 9.08 fg/mL. Furthermore, a bright correlation was obtained for CYFRA 21-1 detection in the clinical serum samples. By merits of its ease of operation, environmental friendliness and low cost, this method had considerable potential application in bioanalytical for the ultrasensitive quantitation of biological molecules.
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Affiliation(s)
- Jing Lu
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China
| | - Lulu Hao
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China
| | - Fei Yang
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China
| | - Yanju Liu
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China.
| | - Huaixia Yang
- Pharmacy College, Henan University of Chinese Medicine, Zhengzhou, 450046, PR China.
| | - Shuxun Yan
- Department of Endocrinology, The First Affiliated Hospital, Henan University of Chinese Medicine, Zhengzhou, 450000, PR China.
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24
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Chauhan N, Balayan S, Gupta S, Singh J, Jain U. Enzyme-based sensing on nanohybrid film coated over FTO electrode for highly sensitive detection of antibiotics. Bioprocess Biosyst Eng 2021; 44:2469-2479. [PMID: 34386846 DOI: 10.1007/s00449-021-02618-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 07/27/2021] [Indexed: 11/26/2022]
Abstract
Cefepime and Meropenem are the new class of antibiotics, which are particularly used as last potent defender or the antibiotics of the last resort against multi-resistant bacterial species. In this paper, an impedance-based electrochemical biosensor was fabricated for identifying antibiotics of last resort in the forensic samples including gastric lavage and other body fluids. The sensor was developed using platinum nanoparticles (PtNPs) and electrodeposited zinc oxide- zinc hexacyanoferrate hybrid film (ZnO/ZnHCF) on the surface of a fluorine-doped glass electrode (FTO). Further, penicillinase was immobilized onto the modified electrode using penicillinase enzyme. The developed biosensor exhibits a good analytical response for the detection of antibiotics evaluated using electrochemistry studies. The linear response of the fabricated electrode was observed from 0.1 to 750 µM and the electrode limit of detection (LOD) was observed as 0.1 µM. The sensor confirms good accuracy, is highly selective, and sensitive for the target. While storing the modified electrode at 4 °C, the stability of biosensor was evaluated for 45 days, and activity loss of 30-40% was observed. The highly sensitive interface of Penicillinase@CHIT/PtNP-ZnO/ZnHCF/FTO electrode shows a promising future in forensic studies.
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Affiliation(s)
- Nidhi Chauhan
- Amity Institute of Nanotechnology (AINT), Amity University Uttar Pradesh (AUUP), Noida, 201313, India
| | - Sapna Balayan
- Amity Institute of Nanotechnology (AINT), Amity University Uttar Pradesh (AUUP), Noida, 201313, India
| | - Shaivya Gupta
- Amity Institute of Nanotechnology (AINT), Amity University Uttar Pradesh (AUUP), Noida, 201313, India
| | - Jaskaran Singh
- School of Allied Health Sciences (SAHS), Sharda University, Greater Noida, 201306, Uttar Pradesh, India
| | - Utkarsh Jain
- Amity Institute of Nanotechnology (AINT), Amity University Uttar Pradesh (AUUP), Noida, 201313, India.
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25
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Wang L, Zhang L, Yu Y, Lin B, Wang Y, Guo M, Cao Y. DNA cyclic assembling control in an electrochemical strategy with MoS 2@AuNPs for determination of kanamycin. Mikrochim Acta 2021; 188:264. [PMID: 34287718 DOI: 10.1007/s00604-021-04916-9] [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: 05/07/2021] [Accepted: 06/25/2021] [Indexed: 11/29/2022]
Abstract
A sensitive electrochemical strategy was established for kanamycin determination. A specific aptamer was modified on the electrode as the probe, followed by a cyclic hybridization chain reaction (HCR) with methylene blue, causing an increasing signal response. In the presence of kanamycin, it can initiatively convolve the aptamer and prevent further DNA assembling, resulting in a signal distinction sensitive to the target amount. However, the signal reproducibility is low. To improve the precision, the HCR procedure was investigated. The results demonstrated that the optimal amount of assembled DNA is 12-fold to that of aptamer. This amount was then controlled in further assays. Admittedly, controlled DNA assembling commonly indicates a limited signal amplification. To further enhance the sensitivity, a nanocomposite based on MoS2 and AuNPs was modified on the electrode. The results of the assay proved that the signal distinction sensitive to target amount increased by 50%. A linearity range is obtained from 0.01 nM to 1.0 μM of kanamycin, and the LOD is 8.4 pM. Subsequently, this strategy was employed to detect kanamycin in chicken liver and milk sample; the recovery results suggest that it possess a satisfactory application prospect in analysis of agricultural products.
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Affiliation(s)
- Lina Wang
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, People's Republic of China.,Department of Environmental Engineering, Guangdong Polytechnic of Environmental Protection Engineering, Foshan, 528216, People's Republic of China
| | - Li Zhang
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, People's Republic of China.
| | - Ying Yu
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, People's Republic of China.
| | - Bixia Lin
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, People's Republic of China
| | - Yumin Wang
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, People's Republic of China
| | - Manli Guo
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, People's Republic of China
| | - Yujuan Cao
- School of Chemistry, Guangzhou Key Laboratory of Analytical Chemistry for Biomedicine, South China Normal University, Guangzhou, 510006, People's Republic of China
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Yin Z, Zhu L, Lv Z, Li M, Tang D. Persistent luminescence nanorods-based autofluorescence-free biosensor for prostate-specific antigen detection. Talanta 2021; 233:122563. [PMID: 34215059 DOI: 10.1016/j.talanta.2021.122563] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/10/2021] [Accepted: 05/24/2021] [Indexed: 02/08/2023]
Abstract
Persistent luminescent nanoparticles (PLNPs) are a class of materials with excellent optical properties, which can continue to emit light for a long time after removing the excitation light source. This feature enables PLNPs to be used for development of biological detection modes without autofluorescence background. In this study, we prepared Zn2GeO4: Mn2+, Pr3+ (ZGOMP) nanorods through a one-pot hydrothermal method. Using the pH-responsive luminescence behavior of ZGOMP, we developed an autofluorescence-free biosensor using ZGOMP as a probe and gluconic acid as a quencher to detect prostate-specific antigen (PSA). Hybridization chain reaction (HCR) and magnetic separation system were introduced in the design to achieve efficient signal amplification. Under the optimal conditions, the as-designed autofluorescence-free sensing platform showed high selectivity, and showed a good luminescence response to PSA within the linear range of 0.001-10 ng/mL at a detection limit of 0.64 pg/mL. The excellent analytical performance shows that the current strategy provides an effective platform for clinical sample analysis.
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Affiliation(s)
- Zipeng Yin
- Key Laboratory for Analytical Science of Food Safety and Biology (MOE & Fujian Province), Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials, State Key Laboratory of Photocatalysis on Energy and Environment, Department of Chemistry, Fuzhou University, Fuzhou, 350108, PR China
| | - Ling Zhu
- Key Laboratory for Analytical Science of Food Safety and Biology (MOE & Fujian Province), Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials, State Key Laboratory of Photocatalysis on Energy and Environment, Department of Chemistry, Fuzhou University, Fuzhou, 350108, PR China
| | - Zijian Lv
- Key Laboratory for Analytical Science of Food Safety and Biology (MOE & Fujian Province), Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials, State Key Laboratory of Photocatalysis on Energy and Environment, Department of Chemistry, Fuzhou University, Fuzhou, 350108, PR China
| | - Meijin Li
- Key Laboratory for Analytical Science of Food Safety and Biology (MOE & Fujian Province), Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials, State Key Laboratory of Photocatalysis on Energy and Environment, Department of Chemistry, Fuzhou University, Fuzhou, 350108, PR China.
| | - Dianping Tang
- Key Laboratory for Analytical Science of Food Safety and Biology (MOE & Fujian Province), Fujian Provincial Key Laboratory of Electrochemical Energy Storage Materials, State Key Laboratory of Photocatalysis on Energy and Environment, Department of Chemistry, Fuzhou University, Fuzhou, 350108, PR China.
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Gao Z, Du X, Ding Y, Li H. Establishment of a dual-aptasensor for simultaneous detection of chloramphenicol and kanamycin. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2021; 38:1148-1156. [PMID: 34006198 DOI: 10.1080/19440049.2021.1914871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Aptamers, as single-stranded DNA or RNA fragments, have been widely applied as the bio-recognition element for fabrication of flexible and reliable aptasensors to be used in food safety control, clinical therapy and diagnosis and environment monitoring fields. With increasingly fierce antibiotics resistance appearing as a worldwide problem, a highly efficient method is urgently needed to detect antibiotics residues in animal-sourced food. Herein, a simply operated aptasensor based on quantitative real-time PCR (qRT-PCR) was fabricated to realise the simultaneous detection of two antibiotics (i.e. chloramphenicol and kanamycin). The limit of detection (LOD) of 6.13 ng/mL for chloramphenicol and of 19.17 ng/mL for kanamycin of this dual-aptasensor were achieved. Actually, such LOD values were not as good as that of an aptasensor individually established for each antibiotic. The circular dichroism analysis suggested that in the dual-aptasensor, adjacent aptamers might disturb each other's binding with their respective target. Although certain detection sensitivity was lost, the dual-aptasensor could still fulfil the detection requirements, and more importantly, it would improve the detection efficiency. Finally, this dual-aptasensor was applied for detecting chloramphenicol and kanamycin in real spiked food samples, and results indicated good recovery rates. These results demonstrated this developed dual-aptasensor to be a promising highly efficient method with low cost for simultaneous detection of chloramphenicol and kanamycin residues in animal-sourced food samples.
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Affiliation(s)
- Zihan Gao
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, P. R. China
| | - Xiaoyan Du
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, P. R. China
| | - Yujing Ding
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, P. R. China
| | - Hao Li
- Beijing Key Laboratory of Bioprocess, College of Life Science and Technology, Beijing University of Chemical Technology, Beijing, P. R. China
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Xiao X, Hu S, Lai X, Peng J, Lai W. Developmental trend of immunoassays for monitoring hazards in food samples: A review. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.02.045] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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He L, Huang R, Xiao P, Liu Y, Jin L, Liu H, Li S, Deng Y, Chen Z, Li Z, He N. Current signal amplification strategies in aptamer-based electrochemical biosensor: A review. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.12.054] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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Yue F, Li F, Kong Q, Guo Y, Sun X. Recent advances in aptamer-based sensors for aminoglycoside antibiotics detection and their applications. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 762:143129. [PMID: 33121792 DOI: 10.1016/j.scitotenv.2020.143129] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 10/13/2020] [Accepted: 10/14/2020] [Indexed: 05/25/2023]
Abstract
Aminoglycoside antibiotics (AAs) have been extensively applied in medical field and animal husbandry owing to desirable broad-spectrum antibacterial activity. Excessive AAs residues in the environment can be accumulated in human body through food chain and cause detrimental effect on human health. The establishment of highly specific, simple and sensitive detection methods for monitoring AAs residues is highly in demand. Aptasensor using aptamer as the biological recognition element is the efficient and promising sensing method for detection of AAs. In this review, we have made a summary of specific aptamers sequences against AAs. Subsequently, we provide a systematical and comprehensive overview of modern techniques in aptasensors for detection of AAs according to optical aptasensors as well as electrochemical aptasensors and further summarize their advantages and disadvantages to compare their applications. In addition, we present an overview of practical applications of aptasensors in sample detection of AAs. Moreover, the current challenges and future trends in this field are also included to reveal a promising perspective for developing novel aptasensors for AAs.
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Affiliation(s)
- Fengling Yue
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.12 Zhangzhou Road, Zibo 255049, Shandong Province, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 12 Zhangzhou Road, Zibo 255049, Shandong Province, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, China
| | - Falan Li
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.12 Zhangzhou Road, Zibo 255049, Shandong Province, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 12 Zhangzhou Road, Zibo 255049, Shandong Province, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, China
| | - Qianqian Kong
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.12 Zhangzhou Road, Zibo 255049, Shandong Province, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 12 Zhangzhou Road, Zibo 255049, Shandong Province, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, China
| | - Yemin Guo
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.12 Zhangzhou Road, Zibo 255049, Shandong Province, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 12 Zhangzhou Road, Zibo 255049, Shandong Province, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, China
| | - Xia Sun
- School of Agricultural Engineering and Food Science, Shandong University of Technology, No.12 Zhangzhou Road, Zibo 255049, Shandong Province, China; Shandong Provincial Engineering Research Center of Vegetable Safety and Quality Traceability, No. 12 Zhangzhou Road, Zibo 255049, Shandong Province, China; Zibo City Key Laboratory of Agricultural Product Safety Traceability, China.
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31
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Chen Y, Zhou Y, Yin H. Recent advances in biosensor for histone acetyltransferase detection. Biosens Bioelectron 2021; 175:112880. [DOI: 10.1016/j.bios.2020.112880] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2020] [Revised: 11/26/2020] [Accepted: 12/01/2020] [Indexed: 12/15/2022]
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32
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Yu W, Chen Y, Wang Z, Qiao L, Xie R, Zhang J, Bian S, Li H, Zhang Y, Chen A. Multiple authentications of high-value milk by centrifugal microfluidic chip-based real-time fluorescent LAMP. Food Chem 2021; 351:129348. [PMID: 33647699 DOI: 10.1016/j.foodchem.2021.129348] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/06/2021] [Accepted: 02/08/2021] [Indexed: 11/17/2022]
Abstract
Adulteration of food ingredients, particularly replacement of high-value milk with low-cost milk, affects food safety. For rapid and accurate identification of the possible adulterating milk species in an unknown sample, a centrifugal microfluidic chip-based real-time fluorescent multiplex loop-mediated isothermal amplification (LAMP) assay was developed to simultaneously detect milk from cow, camel, horse, goat, and yak. Using precoated primers in different reaction wells, the centrifugal microfluidic chip markedly simplified the detection process and reduced false-positive results. The entire amplification was completed within 90 min with a genomic detection limit of 0.05 ng/µL in cow, camel, horse, and goat milk and 0.005 ng/µL in yak milk. Using simulated adulterated samples for validation, the detection limit for adulterated milk samples was 2.5%, satisfying authentication requirements, as the proportion of adulterated milk higher than 10% affects economic interests. Therefore, this simple, centrifugal, microfluidic chip-based multiplex real-time fluorescent LAMP assay can simultaneously detect common milk species in commercial products to enable accurate labeling.
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Affiliation(s)
- Wenjie Yu
- Institute of Quality Standard & Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Yanjing Chen
- Willingmed Corporation, 156 Jinghai Industrial Parkway, Daxing District, Beijing 100176, People's Republic of China; CapitalBio Corporation, 18 Life Science Parkway, Changping District, Beijing 102206, People's Republic of China
| | - Zhiying Wang
- Institute of Quality Standard & Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Lu Qiao
- Institute of Quality Standard & Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Ruibin Xie
- Institute of Quality Standard & Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Juan Zhang
- Institute of Quality Standard & Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Suying Bian
- CapitalBio Corporation, 18 Life Science Parkway, Changping District, Beijing 102206, People's Republic of China
| | - Hui Li
- Institute of Quality Standard & Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China
| | - Yan Zhang
- Willingmed Corporation, 156 Jinghai Industrial Parkway, Daxing District, Beijing 100176, People's Republic of China; CapitalBio Corporation, 18 Life Science Parkway, Changping District, Beijing 102206, People's Republic of China.
| | - Ailiang Chen
- Institute of Quality Standard & Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing 100081, People's Republic of China.
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Zhang Z, Yao J, Huang X, Zhang L, Wang T, Weng Z, Xie G. Multiplex real-time PCR using double-strand primers and probes for the detection of nucleic acids. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:5392-5396. [PMID: 33111715 DOI: 10.1039/d0ay01661f] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Multiplex PCR encounters difficulties in primer designing with all the primer pairs working at the same annealing temperature. In this study, we have developed a double-strand primer-mediated multiple strand displacement reaction for the detection of SARS-COV-2 ORF, N and E genes (as examples). The double primer is composed of a 5'-modified fluorophore strand, which does not impact polymerase extension and a 3'-modified quencher strand, which cannot impact elongation. At the annealing temperature, the fluorophore strand combined with the template, extended and resulted in fluorescence signal release. Results showed that the double-strand primer relatively exhibits a wide annealing temperature range and good compatibility between three pairs of primers and probes. These merits allow the simple and multiplex real-time fluorescence quantification of nucleic acids. The detection limit was 400 copies/mL, and the detection time was approximately 2 h. In addition to its extreme specificity and simplicity, this method has a wide range of applications such as multiple PCR and SNP detection.
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Affiliation(s)
- Zhang Zhang
- Key Laboratory of Laboratory Medical Diagnostics, Ministry of Education, Department of Laboratory Medicine, Chongqing Medical University, Chongqing, China.
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An enzyme free fluorescence resonance transfer strategy based on hybrid chain reaction and triplex DNA for Vibrio parahaemolyticus. Sci Rep 2020; 10:20710. [PMID: 33244061 PMCID: PMC7691504 DOI: 10.1038/s41598-020-77913-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2020] [Accepted: 11/13/2020] [Indexed: 11/10/2022] Open
Abstract
In this work, an enzyme-free fluorescence resonance energy transfer (FRET) strategy was established for rapid and specific detection of the DNA sequence from Vibrio parahaemolyticus (VP) using hybridization chain reaction (HCR) amplification and triplex DNA. The triplex forming oligonucleotide (TFO) was labelled with carboxyfluorescein (FAM) as fluorescence donor, and hairpin sequence H1 was labelled by tetramethylrhodamine (TAMRA) as fluorescence receptor. In the present target VP DNA, the hairpin structure of molecular beacon (MB) was opened, the free end was released and hybridized with H1-TAMRA, and the HCR reaction was triggered by the alternate supplementation of H1-TAMRA and H2 to produce the notch double helix analogue. After the addition of TFO-FAM, a triplex structure was formed between HCR products (H1-TAMRA/H2) and TFO-FAM. A close contact between the donor and the receptor resulted in FRET. Under the optimal conditions, the fluorescence quenching value was inversely proportional to the concentration of target VP DNA in the range of 0.1–50 nmol L−1, and the detection limit was 35 pmol L−1.
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35
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Kulikova T, Gorbatchuk V, Stoikov I, Rogov A, Evtugyn G, Hianik T. Impedimetric Determination of Kanamycin in Milk with Aptasensor Based on Carbon Black-Oligolactide Composite. SENSORS 2020; 20:s20174738. [PMID: 32839389 PMCID: PMC7506709 DOI: 10.3390/s20174738] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/10/2020] [Accepted: 08/20/2020] [Indexed: 12/13/2022]
Abstract
The determination of antibiotics in food is important due to their negative effect on human health related to antimicrobial resistance problem, renal toxicity, and allergic effects. We propose an impedimetric aptasensor for the determination of kanamycin A (KANA), which was assembled on the glassy carbon electrode by the deposition of carbon black in a chitosan matrix followed by carbodiimide binding of aminated aptamer mixed with oligolactide derivative of thiacalix[4]arene in a cone configuration. The assembling was monitored by cyclic voltammetry, electrochemical impedance spectroscopy, and scanning electron microscopy. In the presence of the KANA, the charge transfer resistance of the inner interface surprisingly decreased with the analyte concentration within 0.7 and 50 nM (limit of detection 0.3 nM). This was attributed to the partial shielding of the negative charge of the aptamer and of its support, a highly porous 3D structure of the surface layer caused by a macrocyclic core of the carrier. The use of electrostatic assembling in the presence of cationic polyelectrolyte decreased tenfold the detectable concentration of KANA. The aptasensor was successfully tested in the determination of KANA in spiked milk and yogurt with recoveries within 95% and 115%.
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Affiliation(s)
- Tatiana Kulikova
- A.M. Butlerov’ Chemistry Institute of Kazan Federal University, 420008 Kazan, Russia; (T.K.); (V.G.); (I.S.)
| | - Vladimir Gorbatchuk
- A.M. Butlerov’ Chemistry Institute of Kazan Federal University, 420008 Kazan, Russia; (T.K.); (V.G.); (I.S.)
| | - Ivan Stoikov
- A.M. Butlerov’ Chemistry Institute of Kazan Federal University, 420008 Kazan, Russia; (T.K.); (V.G.); (I.S.)
| | - Alexey Rogov
- Interdisciplinary Center of Analytical Microscopy of Kazan Federal University, 420008 Kazan, Russia;
| | - Gennady Evtugyn
- A.M. Butlerov’ Chemistry Institute of Kazan Federal University, 420008 Kazan, Russia; (T.K.); (V.G.); (I.S.)
- Analytical Chemistry Department, Chemical Technology Institute, Ural Federal University, 620002 Ekaterinburg, Russia
- Correspondence: (G.E.); (T.H.); Tel.: +7-843-2337491 (G.E.); +421-2-60295683 (T.H.)
| | - Tibor Hianik
- Department of Nuclear Physics and Biophysics, Comenius University, 842 48 Bratislava, Slovakia
- Correspondence: (G.E.); (T.H.); Tel.: +7-843-2337491 (G.E.); +421-2-60295683 (T.H.)
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Immobilization Techniques for Aptamers on Gold Electrodes for the Electrochemical Detection of Proteins: A Review. BIOSENSORS-BASEL 2020; 10:bios10050045. [PMID: 32354207 PMCID: PMC7277302 DOI: 10.3390/bios10050045] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 04/17/2020] [Accepted: 04/22/2020] [Indexed: 02/07/2023]
Abstract
The development of reliable biosensing platforms plays a key role in the detection of proteins in clinically and environmentally derived samples for diagnostics, as well as for process monitoring in biotechnological productions. For this purpose, the biosensor has to be stable and reproducible, and highly sensitive to detect potentially extremely low concentrations and prevent the nonspecific binding of interfering compounds. In this review, we present an overview of recently published (2017–2019) immobilization techniques for aptamers on gold electrodes for the electrochemical detection of proteins. These include the direct immobilization of thiolated aptamers and the utilization of short linkers, streptavidin/biotin interaction, as well as DNA nanostructures and reduced graphene oxide as immobilization platforms. Applied strategies for signal amplification and the prevention of biofouling are additionally discussed, as they play a crucial role in the design of biosensors. While a wide variety of amplification strategies are already available, future investigations should aim to establish suitable antifouling strategies that are compatible with electrochemical measurements. The focus of our review lies on the detailed discussion of the underlying principles and the presentation of utilized chemical protocols in order to provide the reader with promising ideas and profound knowledge of the subject, as well as an update on recent discoveries and achievements.
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Qi T, Song C, He J, Shen W, Kong D, Shi H, Tan L, Pan R, Tang S, Lee HK. Highly Sensitive Detection of Multiple MicroRNAs by High-Performance Liquid Chromatography Coupled with Long and Short Probe-Based Recycling Amplification. Anal Chem 2020; 92:5033-5040. [DOI: 10.1021/acs.analchem.9b05301] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Tong Qi
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, People’s Republic of China
| | - Chang Song
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, People’s Republic of China
| | - Jing He
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, People’s Republic of China
| | - Wei Shen
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, People’s Republic of China
| | - Dezhao Kong
- School of Grain Science and Technology, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, People’s Republic of China
| | - Haiwei Shi
- Jiangsu Institute for Food and Drug Control, Nanjing 210019, Jiangsu Province, People’s Republic of China
- Key Laboratory for Impurity Profile of Chemical Drugs, National Medical Products Administration, Nanjing 210019, Jiangsu Province, People’s Republic of China
| | - Li Tan
- Jiangsu Institute for Food and Drug Control, Nanjing 210019, Jiangsu Province, People’s Republic of China
- Key Laboratory for Impurity Profile of Chemical Drugs, National Medical Products Administration, Nanjing 210019, Jiangsu Province, People’s Republic of China
| | - Ruirong Pan
- Affiliated Hospital of Jiangsu University, Zhenjiang 212001, Jiangsu Province, People’s Republic of China
| | - Sheng Tang
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, Jiangsu Province, People’s Republic of China
| | - Hian Kee Lee
- Department of Chemistry, National University of Singapore, 3 Science Drive 3, Singapore 117543, Singapore
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Ye T, Zhang Z, Yuan M, Cao H, Yin F, Wu X, Xu F. An All-in-One Aptasensor Integrating Enzyme Powered Three-Dimensional DNA Machine for Antibiotic Detection. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:2826-2831. [PMID: 32045247 DOI: 10.1021/acs.jafc.9b08143] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
In this work, we have developed an all-in-one aptasensor based on an enzyme-driven three-dimensional DNA walker for antibiotic detection. To overcome the drawback of time-consuming methods, high-density substrate strands were anchored on the walking interface that accelerated the signal amplification efficiency. Such an all-in-one design integrated the functionality of target recognition, signal amplification, as well as signal output into a single probe. Upon addition of kanamycin, the activated walking strand moved along the track by the stepwise cleavage of a nicking enzyme, which resulted in the enhancement of the fluorescence intensity of the solution. Under the optimized conditions, the detection process was accomplished in 40 min with a low detection limit of 1.23 pM. This aptasensor was also applied in spiked milk samples with satisfactory recoveries of 97.76% to 105.33%, demonstrating an excellent stability and accuracy. Therefore, this all-in-one aptasensor shows great potential for applications in food safety.
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Affiliation(s)
- Tai Ye
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Zhiwei Zhang
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Min Yuan
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Hui Cao
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Fengqin Yin
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Xiuxiu Wu
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
| | - Fei Xu
- School of Medical Instrument and Food Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China
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40
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Cui A, Zhang J, Bai W, Sun H, Bao L, Ma F, Li Y. Signal-on electrogenerated chemiluminescence biosensor for ultrasensitive detection of microRNA-21 based on isothermal strand-displacement polymerase reaction and bridge DNA-gold nanoparticles. Biosens Bioelectron 2019; 144:111664. [DOI: 10.1016/j.bios.2019.111664] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 08/10/2019] [Accepted: 08/28/2019] [Indexed: 01/15/2023]
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41
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A R, P P. A novel fluorescent sensing platform based on metal-polydopamine frameworks for the dual detection of kanamycin and oxytetracycline. Analyst 2019; 144:2337-2344. [PMID: 30778448 DOI: 10.1039/c8an02363h] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
In this study, we report the dual detection of kanamycin (KMY) and oxytetracycline (OTC) using metal polydopamine frameworks (MPDA) for the first time. This sensing system employed metal polydopamine frameworks (MPDA), which acted as a fluorescence quencher in the interaction between MPDA and dye-labeled DNA molecules; the metal polydopamine frameworks exhibited an excellent fluorescence quenching behaviour and good analytical response towards the detection of the biomolecules KMY and OTC. The accumulated kanamycin and oxytetracycline in the sensing system were recovered, and changes in their fluorescence intensity were monitored at 525 and 583 nm. Under the optimal conditions, the proposed sensing system remarkably achieved highly sensitive and selective detection of KMY and OTC with the limit of detection of 304 pM and 481 pM, respectively. In addition, the selectivity of the developed sensor was explored in the presence of competitive biomolecules. Moreover, this sensing system demonstrated great potential and versatility for the rapid detection of molecules. In addition, this biosensor was successfully evaluated for the dual detection of KMY and OTC in different real samples.
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Affiliation(s)
- Ravikumar A
- Department of Chemistry, SRM Institute of Science and Technology, Kattankulathur - 603 203, Tamil Nadu, India.
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Tyrosinase-encapsulated liposomes: Toward enzyme-induced in situ sensitization of semiconductor for sensitive photoelectrochemical immunoassay. Biosens Bioelectron 2019; 136:128-131. [DOI: 10.1016/j.bios.2019.04.037] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 04/04/2019] [Accepted: 04/18/2019] [Indexed: 11/20/2022]
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43
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Lee SH, Park SM, Kim BN, Kwon OS, Rho WY, Jun BH. Emerging ultrafast nucleic acid amplification technologies for next-generation molecular diagnostics. Biosens Bioelectron 2019; 141:111448. [PMID: 31252258 DOI: 10.1016/j.bios.2019.111448] [Citation(s) in RCA: 53] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2019] [Revised: 05/31/2019] [Accepted: 06/17/2019] [Indexed: 02/07/2023]
Abstract
Over the last decade, nucleic acid amplification tests (NAATs) including polymerase chain reaction (PCR) were an indispensable methodology for diagnosing cancers, viral and bacterial infections owing to their high sensitivity and specificity. Because the NAATs can recognize and discriminate even a few copies of nucleic acid (NA) and species-specific NA sequences, NAATs have become the gold standard in a wide range of applications. However, limitations of NAAT approaches have recently become more apparent by reason of their lengthy run time, large reaction volume, and complex protocol. To meet the current demands of clinicians and biomedical researchers, new NAATs have developed to achieve ultrafast sample-to-answer protocols for the point-of-care testing (POCT). In this review, ultrafast NA-POCT platforms are discussed, outlining their NA amplification principles as well as delineating recent advances in ultrafast NAAT applications. The main focus is to provide an overview of NA-POCT platforms in regard to sample preparation of NA, NA amplification, NA detection process, interpretation of the analysis, and evaluation of the platform design. Increasing importance will be given to innovative, ultrafast amplification methods and tools which incorporate artificial intelligence (AI)-associated data analysis processes and mobile-healthcare networks. The future prospects of NA POCT platforms are promising as they allow absolute quantitation of NA in individuals which is essential to precision medicine.
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Affiliation(s)
- Sang Hun Lee
- Department of Bioengineering, University of California Berkeley, CA, USA
| | | | - Brian N Kim
- Department of Electrical and Computer Engineering, University of Central Florida, FL, USA
| | - Oh Seok Kwon
- Infectious Disease Research Center, Korea Research Institute of Bioscience & Biotechnology, Daejeon, South Korea
| | - Won-Yep Rho
- School of International Engineering and Science, Chonbuk National University, Jeonju, South Korea
| | - Bong-Hyun Jun
- Department of Bioscience and Biotechnology, Konkuk University, South Korea.
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Luo Z, Sun D, Tong Y, Zhong Y, Chen Z. DNA nanotetrahedron linked dual-aptamer based voltammetric aptasensor for cardiac troponin I using a magnetic metal-organic framework as a label. Mikrochim Acta 2019; 186:374. [PMID: 31123904 DOI: 10.1007/s00604-019-3470-1] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 04/29/2019] [Indexed: 01/06/2023]
Abstract
An ultrasensitive voltammetric aptasensor was constructed to analyze cardiac troponin I (cTnI). It is based on DNA nanotetrahedron (NTH) linked dual-aptamer (dAPT) and magnetic metal organic frameworks (mMOFs) of type Fe3O4@UiO-66. Firstly, the DNA NTH linked dAPT (Tro4 and Tro6) were immobilized on a gold electrode for improving the capture efficiency of cTnI. The novel mMOFs Fe3O4@UiO-66 was then decorated by Au@Pt nanoparticles (Au@PtNPs), horseradish peroxidase (HRP), G-quadruplex/hemin (GQH) DNAzyme, and two types of aptamers to form signaling nanoprobes. In the presence of cTnI, an aptamer-protein-nanoprobe sandwich-type structure is formed. Afterward, the nanoprobes including enzyme, GQH DNAzyme and Fe3O4@UiO-66/Au@PtNP were utilized to catalyze the oxidation of hydroquinone by hydrogen peroxide for the electrochemical signals amplification, typically at a working potential of -0.1 V (vs. Ag/AgCl). The voltammetric signal increases linearly in the 0.01 to 100 ng·mL-1 cTnI concentration range, and the detection limit is 5.7 pg·mL-1. Graphical abstract An ultrasensitive voltammetric aptasensor was constructed to analyze cardiac troponin I (cTnI) based on DNA nanotetrahedron linked dual-aptamer and magnetic metal organic frameworks of type Fe3O4@UiO-66. The results indicated the aptasensor has a wide linear response range (0.01 to 100 ng/mL) and low detection limit (5.74 pg/mL) for cTnI. GE: gold electrode; MCH: 6-Mmercapto-1-hexanol; HRP: horseradish peroxidase; HQ: hydroquinone; BQ: benzoquinone.
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Affiliation(s)
- Zibin Luo
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China
| | - Duanping Sun
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China. .,Center for Drug Research and Development, Guangdong Pharmaceutical University, Guangzhou, 510006, China.
| | - Yanli Tong
- Department of Pharmacy, Guangdong Second Provincial General Hospital, Guangzhou, 510317, China
| | - Yongsheng Zhong
- East Campus Lab Center, Sun Yat-Sen University, Guangzhou, 510006, China
| | - Zuanguang Chen
- School of Pharmaceutical Sciences, Sun Yat-Sen University, Guangzhou, 510006, China.
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45
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Zeng R, Zhang L, Luo Z, Tang D. Palindromic Fragment-Mediated Single-Chain Amplification: An Innovative Mode for Photoelectrochemical Bioassay. Anal Chem 2019; 91:7835-7841. [DOI: 10.1021/acs.analchem.9b01557] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Ruijin Zeng
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry, Fuzhou University, Fuzhou 350108, People’s Republic of China
| | - Lijia Zhang
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry, Fuzhou University, Fuzhou 350108, People’s Republic of China
| | - Zhongbin Luo
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry, Fuzhou University, Fuzhou 350108, People’s Republic of China
| | - Dianping Tang
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry, Fuzhou University, Fuzhou 350108, People’s Republic of China
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46
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Zeng R, Zhang L, Su L, Luo Z, Zhou Q, Tang D. Photoelectrochemical bioanalysis of antibiotics on rGO-Bi2WO6-Au based on branched hybridization chain reaction. Biosens Bioelectron 2019; 133:100-106. [DOI: 10.1016/j.bios.2019.02.067] [Citation(s) in RCA: 75] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Revised: 02/01/2019] [Accepted: 02/27/2019] [Indexed: 10/27/2022]
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47
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Zhai F, Yu Q, Zhou H, Liu J, Yang W, You J. Electrochemical selective detection of carnitine enantiomers coupling copper ion dependent DNAzyme with DNA assistant hybridization chain reaction. J Electroanal Chem (Lausanne) 2019. [DOI: 10.1016/j.jelechem.2019.02.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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48
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Zeng R, Luo Z, Su L, Zhang L, Tang D, Niessner R, Knopp D. Palindromic Molecular Beacon Based Z-Scheme BiOCl-Au-CdS Photoelectrochemical Biodetection. Anal Chem 2019; 91:2447-2454. [PMID: 30609356 DOI: 10.1021/acs.analchem.8b05265] [Citation(s) in RCA: 222] [Impact Index Per Article: 44.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
This work presented an innovative and rationally engineered palindromic molecular beacon (PMB) based "Z-scheme" photoelectrochemical (PEC) biosensing protocol for the selective screening of kanamycin (Kana) through DNA hybridization-induced conformational conversion. Interestingly, the ingeniously designed PMB integrated the multifunctional elements including recognition region, primer-like palindromic fragment, and polymerization-nicking template. The cosensitized structures consisted of CdS quantum dot functionalized hairpin DNA2 (QD-HP2) and region-selectively deposited gold nanoparticles onto {001} facets of bismuth oxychloride (BiOCl-Au). Compared with BiOCl-Au alone, the attachment of CdS QDs onto BiOCl-Au (i.e., BiOCl-Au-CdS QDs) exhibited evidently enhanced photocurrent intensity thanks to the synergistic effect of Z-scheme BiOCl-Au-CdS QDs. After incubation with target Kana, Kana-aptamer binding could induce the exposure of PMB region for hairpin DNA1 (HP1). The exposed palindromic tails hybridized with each other (like a molecular machine) to consume the substrates (dNTPs) and fuels (enzyme) for the releasing of numerous nick fragments (Nick). The as-generated nick fragments could specifically hybridize with the complementary region of QD-HP2, thus resulting in decreasing photocurrent because of the increasing spatial distance for electron transfer between two-type photosensitizers. Under optimum conditions, the PMB-based sensing system exhibited satisfying photocurrent responses toward target Kana within the working range from 50 to 5000 fM at a low detection limit of 29 fM. Impressively, the concept of a palindromic fragment-mediated primer-free biosensing strategy offers a new avenue for advanced development of efficient and convenient biodetection systems.
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Affiliation(s)
- Ruijin Zeng
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry , Fuzhou University , Fuzhou 350116 , People's Republic of China
| | - Zhongbin Luo
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry , Fuzhou University , Fuzhou 350116 , People's Republic of China
| | - Lingshan Su
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry , Fuzhou University , Fuzhou 350116 , People's Republic of China
| | - Lijia Zhang
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry , Fuzhou University , Fuzhou 350116 , People's Republic of China
| | - Dianping Tang
- Key Laboratory of Analytical Science for Food Safety and Biology (MOE & Fujian Province), Department of Chemistry , Fuzhou University , Fuzhou 350116 , People's Republic of China
| | - Reinhard Niessner
- Chair for Analytical Chemistry and Water Chemistry, Institute of Hydrochemistry , Technische Universität München , Marchioninistrasse 17 , D-81377 München , Germany
| | - Dietmar Knopp
- Chair for Analytical Chemistry and Water Chemistry, Institute of Hydrochemistry , Technische Universität München , Marchioninistrasse 17 , D-81377 München , Germany
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