1
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Davydova AS, Vorobyeva MA. Aptasensors Based on Non-Enzymatic Peroxidase Mimics: Current Progress and Challenges. BIOSENSORS 2023; 14:1. [PMID: 38275302 PMCID: PMC10813519 DOI: 10.3390/bios14010001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Revised: 12/12/2023] [Accepted: 12/18/2023] [Indexed: 01/27/2024]
Abstract
Immunoassays based on antibodies as recognizing elements and enzymes as signal-generating modules are extensively used now in clinical lab diagnostics, food, and environmental analyses. However, the application of natural enzymes and antibodies has some drawbacks, such as relatively high manufacturing costs, thermal instability, and lot-to-lot variations that lower the reproducibility of results. Oligonucleotide aptamers are able to specifically bind their targets with high affinity and selectivity, so they represent a prospective alternative to protein antibodies for analyte recognition. Their main advantages include thermal stability and long shelf life, cost-efficient chemical synthesis, and negligible batch-to-batch variations. At the same time, a wide variety of non-protein peroxidase mimics are now available that show strong potential to replace protein enzymes. Here, we review and analyze non-protein biosensors that represent a nexus of these two concepts: aptamer-based sensors (aptasensors) with optical detection (colorimetric, luminescent, or fluorescent) based on different peroxidase mimics, such as DNAzymes, nanoparticles, or metal-organic frameworks.
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Affiliation(s)
- Anna S. Davydova
- Institute of Chemical Biology and Fundamental Medicine SB RAS, Akad. Lavrentiev, 8, 630090 Novosibirsk, Russia;
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2
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Liu B, Ge Y, Lu Y, Huang Y, Zhang X, Yuan X. An NIR light-responsive "on-off-on" photoelectrochemical aptasensor for carcinoembryonic antigen assay based on Y-shaped DNA. Biosens Bioelectron 2023; 229:115241. [PMID: 36958207 DOI: 10.1016/j.bios.2023.115241] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 03/05/2023] [Accepted: 03/18/2023] [Indexed: 03/25/2023]
Abstract
This work develops a novel photoelectrochemical sensor for the detection of carcinoembryonic antigen (CEA) based on the composite of UCNPs with semiconductors and conformational changes in the DNA structure. Firstly, SnS2, ZnIn2S4 and UCNPs were assembled on the surface of the ITO electrode. Then Au NPs were dropped, which could facilitate the coupling of CdSe NPs modified DNA1 via Au-S bond, giving an ITO/SnS2/ZnIn2S4/UCNPs/CdSe heterojunction structure. When irradiated with 980 nm near-infrared (NIR) light, the UV-visible light emitted by the UCNPs could excite the nanocomposite, producing an enhanced photoelectric reaction. Subsequently, CEA aptamer and DNA2-modified SiO2 were added to form a Y-shaped DNA structure. At this time, the photocurrent was significantly reduced by the combination of the light-blocking effect of SiO2 and the departure of CdSe NPs from the electrode surface. When the target CEA was added, the recognition between CEA and the aptamer led to the collapse of the Y-shaped DNA structure, the restoration of hairpin DNA and the proximity of CdSe to the electrode. Accordingly, the photocurrent signals enhanced again. Under optimal experimental conditions, the detection limit as low as 0.3 pg mL-1 was obtained with good selectivity, achieving a sensitive "on-off-on" photoelectrochemical sensor for CEA detection.
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Affiliation(s)
- Bo Liu
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Yonghao Ge
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Yahui Lu
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Yibo Huang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Xiaoru Zhang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, MOE, Shandong Key Laboratory of Biochemical Analysis, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
| | - Xunyi Yuan
- Department of General Surgery, Qilu Hospital (Qingdao), Cheeloo College of Medicine, Shandong University, 758 Hefei Road, Qingdao, Shandong, 266035, PR China.
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3
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Tian R, Weng T, Chen S, Wu J, Yin B, Ma W, Liang L, Xie W, Wang Y, Zeng X, Yin Y, Wang D. DNA nanostructure-assisted detection of carcinoembryonic antigen with a solid-state nanopore. Bioelectrochemistry 2023; 149:108284. [PMID: 36244111 DOI: 10.1016/j.bioelechem.2022.108284] [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: 08/07/2022] [Revised: 09/15/2022] [Accepted: 10/01/2022] [Indexed: 11/07/2022]
Abstract
In this paper, a novel detection technique for tumor marker carcinoembryonic antigen (CEA) has been developed by using a solid-state nanopore as a tool. The system utilizes the specific affinity between aptamer-modified magnetic Fe3O4 and CEA, rather than directly detecting the translocation of CEA through the nanopore. The aptamer-modified magnetic Fe3O4 was hybridized with tetrahedral DNA nanostructures (TDNs), and TDNs were released after CEA was added. We investigate the translocation behavior of individual TDNs through solid-state nanopores. The frequency of the blockage signals for TDNs is recorded for indirect detection of CEA. We realized the detection of CEA with a concentration as low as 0.1 nM and proved the specificity of the interaction between the aptamer. In addition, our designed nanopore sensing strategy can detect CEA in real samples.
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Affiliation(s)
- Rong Tian
- Chongqing School, University of Chinese Academy of Sciences, Beijing, China; Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beijing, China
| | - Ting Weng
- Chongqing School, University of Chinese Academy of Sciences, Beijing, China; Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beijing, China
| | - Shanchuan Chen
- Chongqing School, University of Chinese Academy of Sciences, Beijing, China; Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beijing, China
| | - Ji Wu
- Chongqing School, University of Chinese Academy of Sciences, Beijing, China; Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beijing, China
| | - Bohua Yin
- Chongqing School, University of Chinese Academy of Sciences, Beijing, China; Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beijing, China; Changchun University of Science and Technology, Changchun, China
| | - Wenhao Ma
- Chongqing School, University of Chinese Academy of Sciences, Beijing, China; Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beijing, China
| | - Liyuan Liang
- Chongqing School, University of Chinese Academy of Sciences, Beijing, China; Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beijing, China
| | - Wanyi Xie
- Chongqing School, University of Chinese Academy of Sciences, Beijing, China; Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beijing, China
| | - Yunjiao Wang
- Chongqing School, University of Chinese Academy of Sciences, Beijing, China; Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beijing, China
| | - Xiaoqing Zeng
- Chongqing School, University of Chinese Academy of Sciences, Beijing, China; Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beijing, China; Chongqing University, Chongqing, China
| | - Yajie Yin
- Chongqing School, University of Chinese Academy of Sciences, Beijing, China; Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beijing, China.
| | - Deqiang Wang
- Chongqing School, University of Chinese Academy of Sciences, Beijing, China; Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Beijing, China.
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4
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Futane A, Narayanamurthy V, Jadhav P, Srinivasan A. Aptamer-based rapid diagnosis for point-of-care application. MICROFLUIDICS AND NANOFLUIDICS 2023; 27:15. [PMID: 36688097 PMCID: PMC9847464 DOI: 10.1007/s10404-022-02622-3] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 12/31/2022] [Indexed: 05/31/2023]
Abstract
Aptasensors have attracted considerable interest and widespread application in point-of-care testing worldwide. One of the biggest challenges of a point-of-care (POC) is the reduction of treatment time compared to central facilities that diagnose and monitor the applications. Over the past decades, biosensors have been introduced that offer more reliable, cost-effective, and accurate detection methods. Aptamer-based biosensors have unprecedented advantages over biosensors that use natural receptors such as antibodies and enzymes. In the current epidemic, point-of-care testing (POCT) is advantageous because it is easy to use, more accessible, faster to detect, and has high accuracy and sensitivity, reducing the burden of testing on healthcare systems. POCT is beneficial for daily epidemic control as well as early detection and treatment. This review provides detailed information on the various design strategies and virus detection methods using aptamer-based sensors. In addition, we discussed the importance of different aptamers and their detection principles. Aptasensors with higher sensitivity, specificity, and flexibility are critically discussed to establish simple, cost-effective, and rapid detection methods. POC-based aptasensors' diagnostic applications are classified and summarised based on infectious and infectious diseases. Finally, the design factors to be considered are outlined to meet the future of rapid POC-based sensors.
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Affiliation(s)
- Abhishek Futane
- Fakulti Kejuruteraan Elektronik Dan Kejuruteraan Komputer, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal, 76100 Melaka, Malaysia
| | - Vigneswaran Narayanamurthy
- Advance Sensors and Embedded Systems (ASECs), Centre for Telecommunication Research and Innovation, Fakulti Teknologi Kejuruteraan Elektrik Dan Elektronik, Universiti Teknikal Malaysia Melaka, Hang Tuah Jaya, Durian Tunggal, 76100 Melaka, Malaysia
- Department of Biotechnology, Saveetha School of Engineering, Saveetha Institute of Medical and Technical Sciences, Chennai, India
| | - Pramod Jadhav
- Faculty of Civil Engineering Technology, Universiti Malaysia Pahang (UMP) Lebuhraya Tun Razak, Gambang, 26300 Kuantan, Pahang Malaysia
- InnoFuTech, No 42/12, 7Th Street, Vallalar Nagar, Chennai, Tamil Nadu 600072 India
| | - Arthi Srinivasan
- Faculty of Chemical and Process Engineering Technology, University Malaysia Pahang (UMP), Lebuhraya Tun Razak, Gambang, 26300 Kunatan, Pahang Malaysia
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Lee H, Kim K, Kang CM, Choo A, Han D, Kim J. In Situ Confocal Fluorescence Lifetime Imaging of Nanopore Electrode Arrays with Redox Active Fluorogenic Amplex Red. Anal Chem 2023; 95:1038-1046. [PMID: 36577440 DOI: 10.1021/acs.analchem.2c03742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Direct imaging of electrochemical processes on electrode surfaces is a central part of understanding spatially heterogeneous electrochemical processes on the surfaces. Herein, we report a strategy for the spatially resolved imaging of local faradaic processes on nanoscale electrochemical interfaces. This strategy is based on fluorescence lifetime imaging microscopy (FLIM) with the use of Amplex Red as a fluorogenic redox probe. After verifying the capability of Amplex Red for fluorescence lifetime imaging, we demonstrated the turn-on FLIM-based imaging of faradaic processes on the electrochemical interfaces of different dimensions. In particular, we achieved spatially resolved visualization of the local electrochemical processes occurring on even nanopore electrode arrays as well as conventional microelectrodes, including disk-shaped ultramicroelectrodes and interdigitated array microelectrodes.
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Affiliation(s)
- Hyein Lee
- Department of Chemistry, Research Institute for Basic Sciences, Kyung Hee University, Seoul02447, Republic of Korea
| | - Kyoungsoo Kim
- Department of Chemistry, The Catholic University of Korea, Bucheon14662, Gyeonggi-do, Republic of Korea
| | - Chung Mu Kang
- Electrochemistry Laboratory, Advanced Institutes of Convergence Technology, Suwon16229, Gyeonggi-do, Republic of Korea
| | - Aeri Choo
- Department of Chemistry, Research Institute for Basic Sciences, Kyung Hee University, Seoul02447, Republic of Korea
| | - Donghoon Han
- Department of Chemistry, The Catholic University of Korea, Bucheon14662, Gyeonggi-do, Republic of Korea
| | - Joohoon Kim
- Department of Chemistry, Research Institute for Basic Sciences, Kyung Hee University, Seoul02447, Republic of Korea.,KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul02447, Republic of Korea
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6
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Liu ML, He XJ, Li Y, Zhao ML, Zhuo Y. A convenient and economical strategy for multiple-target electrochemiluminescence detection using peroxydisulfate solution. Talanta 2023; 251:123788. [DOI: 10.1016/j.talanta.2022.123788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 07/22/2022] [Accepted: 07/25/2022] [Indexed: 11/26/2022]
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7
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Pourmadadi M, Yazdian F, Ghorbanian S, Shamsabadipour A, Khandel E, Rashedi H, Rahdar A, Díez-Pascual AM. Construction of Aptamer-Based Nanobiosensor for Breast Cancer Biomarkers Detection Utilizing g-C 3N 4/Magnetic Nano-Structure. BIOSENSORS 2022; 12:bios12110921. [PMID: 36354429 PMCID: PMC9688306 DOI: 10.3390/bios12110921] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/20/2022] [Accepted: 10/20/2022] [Indexed: 06/04/2023]
Abstract
An electrochemical aptasensor has been developed to determine breast cancer biomarkers (CA 15-3). Aptamer chains were immobilized on the surface of the electrode by g-C3N4/Fe3O4 nanoparticles, which increased the conductivity and active surface area of the electrode. X-ray diffraction analysis (XRD), Fourier-transformed infrared spectroscopy (FTIR), and transmission electron microscopy (TEM) measurements have been carried out to characterize the nanomaterials. Cyclic voltammetry, square wave voltammetry, and electrochemical impedance spectroscopy have been used to characterize the developed electrode. The results demonstrate that the modified electrode has better selectivity for CA 15-3 compared to other biological molecules. It has a good electrochemical response to CA 15-3 with a detection limit of 0.2 UmL-1 and a linear response between 1 and 9 UmL-1. It has been used as a label-free sensor in potassium ferrocyanide medium and as methylene blue-labeled in phosphate buffer medium. This electrode was successfully applied to analyze the serum of diseased and healthy individuals, which corroborates its high potential for biosensing applications, especially for the diagnosis of breast cancer.
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Affiliation(s)
- Mehrab Pourmadadi
- Department of Biotechnology, School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 11155-4563, Iran
| | - Fatemeh Yazdian
- Department of Life Science Engineering, Faculty of New Science and Technology, University of Tehran, Tehran 14166-34793, Iran
| | - Sohrabali Ghorbanian
- School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 14166-34793, Iran
| | - Amin Shamsabadipour
- Department of Biotechnology, School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 11155-4563, Iran
| | - Elham Khandel
- Department of Biotechnology, School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 11155-4563, Iran
| | - Hamid Rashedi
- Department of Biotechnology, School of Chemical Engineering, College of Engineering, University of Tehran, Tehran 11155-4563, Iran
| | - Abbas Rahdar
- Department of Physics, Faculty of Science, University of Zabol, Zabol 538-98615, Iran
| | - Ana M. Díez-Pascual
- Universidad de Alcalá, Facultad de Ciencias, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona, Km. 33.6, 28805 Alcalá de Henares, Madrid, Spain
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8
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Kamali H, Golmohammadzadeh S, Zare H, Nosrati R, Fereidouni M, Safarpour H. The recent advancements in the early detection of cancer biomarkers by DNAzyme-assisted aptasensors. J Nanobiotechnology 2022; 20:438. [PMID: 36195928 PMCID: PMC9531510 DOI: 10.1186/s12951-022-01640-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Accepted: 09/20/2022] [Indexed: 11/10/2022] Open
Abstract
Clinical diagnostics rely heavily on the detection and quantification of cancer biomarkers. The rapid detection of cancer-specific biomarkers is of great importance in the early diagnosis of cancers and plays a crucial role in the subsequent treatments. There are several different detection techniques available today for detecting cancer biomarkers. Because of target-related conformational alterations, high stability, and target variety, aptamers have received considerable interest as a biosensing system component. To date, several sensitivity-enhancement strategies have been used with a broad spectrum of nanomaterials and nanoparticles (NPs) to improve the limit and sensitivity of analyte detection in the construction of innovative aptasensors. The present article aims to outline the research developments on the potential of DNAzymes-based aptasensors for cancer biomarker detection.
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Affiliation(s)
- Hossein Kamali
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shiva Golmohammadzadeh
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamed Zare
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
| | - Rahim Nosrati
- Cellular and Molecular Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Mohammad Fereidouni
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Hossein Safarpour
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran.
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Yun J, Lee JH. A highly selective and sensitive competitive aptasensor capable of quantifying thrombin elevated with side effects in severe COVID-19. J Pharm Biomed Anal 2022; 221:115076. [PMID: 36179502 PMCID: PMC9511899 DOI: 10.1016/j.jpba.2022.115076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Revised: 09/22/2022] [Accepted: 09/24/2022] [Indexed: 11/23/2022]
Abstract
To protect critical injury from blood clots with side effects in severe COVID-19, a highly selective and sensitive biosensor was developed for the quantification of trace levels of thrombin using the combination of a DNA aptamer (TBA) of thrombin and a complementary strand of TBA. TBA rapidly binds with thrombin, whereas it slowly binds with the complementary strand to form a double stranded DNA (dsDNA). SFC green intercalated into dsDNA cannot emit light in 1,1′-oxalyldiimidazole chemiluminescence (ODI-CL) reaction because high-energy intermediates formed from ODI-CL reaction cannot transfer energy to SFC trapped in dsDNA. However, SFC freely existing with the formation of G-quadruplex from the reaction of thrombin and TBA emits bright chemiluminescence because the high-energy intermediates can transfer energy to SFC (or camel) in solution. Thus, the brightness of light emitted in ODI-CL reaction was proportionally enhanced with the increase of thrombin in a sample due to the increase of G-quadruplex and reduction of dsDNA. The limit of detection (LOD) of the label free aptasensor operated with good linear calibration curve (10–320 mU/ml) was as low as 3 mU/ml (or 43 pM). Also, the biosensor was quantified trace levels of thrombin with good accuracy, precision, and reliability.
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Affiliation(s)
- Jaden Yun
- Luminescent MD, LLC, Hagerstown, MD 21742, United States; Phillips Exeter Academy, Exeter, NH 03833, United States
| | - Ji Hoon Lee
- Luminescent MD, LLC, Hagerstown, MD 21742, United States.
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Li M, Yao B, Jing C, Chen H, Zhang Y, Zhou N. Engineering a G-quadruplex-based logic gate platform for sensitive assay of dual biomarkers of ovarian cancer. Anal Chim Acta 2022; 1198:339559. [DOI: 10.1016/j.aca.2022.339559] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 01/06/2022] [Accepted: 01/26/2022] [Indexed: 11/24/2022]
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Xu Z, Wang C, Ma R, Sha Z, Liang F, Sun S. Aptamer-based biosensing through the mapping of encoding upconversion nanoparticles for sensitive CEA detection. Analyst 2022; 147:3350-3359. [DOI: 10.1039/d2an00669c] [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 aptamer-based assay through the mapping and enumeration of encoding UCNPs for digital detection of CEA is reported.
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Affiliation(s)
- Zihui Xu
- Institute of Biopharmaceutical and Healthcare Engineering, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Chunnan Wang
- Institute of Biopharmaceutical and Healthcare Engineering, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Rui Ma
- Institute of Biopharmaceutical and Healthcare Engineering, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Zhou Sha
- Institute of Biopharmaceutical and Healthcare Engineering, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
| | - Fuxin Liang
- Department of Chemical Engineering, Tsinghua University, Beijing 100084, China
| | - Shuqing Sun
- Institute of Biopharmaceutical and Healthcare Engineering, Shenzhen International Graduate School, Tsinghua University, Shenzhen 518055, China
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12
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Wang Y, Liu X, Wu L, Ding L, Effah CY, Wu Y, Xiong Y, He L. Construction and bioapplications of aptamer-based dual recognition strategy. Biosens Bioelectron 2022; 195:113661. [PMID: 34592501 DOI: 10.1016/j.bios.2021.113661] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Revised: 09/17/2021] [Accepted: 09/18/2021] [Indexed: 02/08/2023]
Abstract
Aptamer-based dual recognition strategy, using dual aptamers or the cooperation of aptamers with other recognition elements, can better utilize the advantages of each recognition molecule and increase the design flexibility to effectively overcome the limitations of a single molecule recognition strategy, thereby improving the sensitivity and selectivity and facilitating the regulation of biological process. Hence, this review systematically tracks the construction and application of dual aptamers recognition strategy in the versatile detection of protein biomarkers, pathogenic microorganisms, cancer cells, and the treatment of some diseases and, more importantly, in functional regulation and imaging of cell-surface protein receptors. Then, the cooperation of aptamers with other recognition elements are briefly introduced. Potential challenges facing this field have been highlighted, aiming to expand bioanalytical applications of aptamer-based dual or multiple recognition strategies and meet the growing demand for precision medicine.
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Affiliation(s)
- Ya Wang
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Xinlian Liu
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Longjie Wu
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Lihua Ding
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Clement Yaw Effah
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Yongjun Wu
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China
| | - Yamin Xiong
- School of Life Sciences, Zhengzhou University, Zhengzhou, 450001, China.
| | - Leiliang He
- College of Public Health, Zhengzhou University, Zhengzhou, 450001, China.
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Lee H, Shin W, Kim HJ, Kim J. Turn-On Fluorescence Sensing of Oxygen with Dendrimer-Encapsulated Platinum Nanoparticles as Tunable Oxidase Mimics for Spatially Resolved Measurement of Oxygen Gradient in a Human Gut-on-a-Chip. Anal Chem 2021; 93:16123-16132. [PMID: 34807579 DOI: 10.1021/acs.analchem.1c03891] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Turn-on type fluorescence sensing of O2 is considered a promising approach to developing ways to measure O2 in microenvironments with spatially distributed O2 levels. As a class of nanomaterials with a high degree of control over composition and structure, dendrimer-encapsulated nanoparticles (DENs) are promising candidates to mimic biological enzymes. Here, we report a strategy to monitor spatially distributed O2 across a three-dimensional (3D) human intestinal epithelial layer in a gut-on-a-chip in a turn-on fluorescence sensing manner. The strategy is based on the oxidase-mimetic activity of Pt DENs for catalytic oxidation of nonfluorescent Amplex Red to highly fluorescent resorufin in the presence of O2. We synthesized Pt DENs using two different types of dendrimers (i.e., amine-terminated or hydroxyl-terminated generation 6 polyamidoamine (PAMAM) dendrimers) with six different Pt2+/dendrimer ratios (i.e., 55, 200, 220, 550, 880, and 1320). After clarifying the intrinsic oxidase-mimetic activity of Pt DENs, we determined tunable oxidase-mimetic activity of Pt DENs, especially with fine-tuning the ratios of the Pt precursor ions and dendrimers. Particularly, the optimal Pt DENs having a Pt2+/dendrimer ratio of 1320 exhibited an ∼117-fold increase in the oxidase-mimetic activity for catalyzing the aerobic oxidation of Amplex Red to resorufin compared to one having a Pt2+/dendrimer ratio of 200. This study exemplified a simple yet effective approach for spatially resolved imaging of O2 using metal nanoparticle-based oxidase mimics in microphysiological environments like a human gut-on-a-chip.
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Affiliation(s)
- Hyein Lee
- Department of Chemistry, Research Institute for Basic Sciences, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Woojung Shin
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Hyun Jung Kim
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, Texas 78712, United States
| | - Joohoon Kim
- Department of Chemistry, Research Institute for Basic Sciences, Kyung Hee University, Seoul 02447, Republic of Korea.,KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul 02447, Republic of Korea
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VEGF Detection via Simplified FLISA Using a 3D Microfluidic Disk Platform. BIOSENSORS-BASEL 2021; 11:bios11080270. [PMID: 34436072 PMCID: PMC8393963 DOI: 10.3390/bios11080270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2021] [Revised: 08/02/2021] [Accepted: 08/06/2021] [Indexed: 12/03/2022]
Abstract
Fluorescence-linked immunosorbent assay (FLISA) is a commonly used, quantitative technique for detecting biochemical changes based on antigen–antibody binding reactions using a well-plate platform. As the manufacturing technology of microfluidic system evolves, FLISA can be implemented onto microfluidic disk platforms which allows the detection of trace biochemical reactions with high resolutions. Herein, we propose a novel microfluidic system comprising a disk with a three-dimensional incubation chamber, which can reduce the amount of the reagents to 1/10 and the required time for the entire process to less than an hour. The incubation process achieves an antigen–antibody binding reaction as well as the binding of fluorogenic substrates to target proteins. The FLISA protocol in the 3D incubation chamber necessitates performing the antibody-conjugated microbeads’ movement during each step in order to ensure sufficient binding reactions. Vascular endothelial growth factor as concentration with ng mL−1 is detected sequentially using a benchtop process employing this 3D microfluidic disk. The 3D microfluidic disk works without requiring manual intervention or additional procedures for liquid control. During the incubation process, microbead movement is controlled by centrifugal force from the rotating disk and the sedimentation by gravitational force at the tilted floor of the chamber.
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15
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Animesh S, Singh YD. A Comprehensive Study on Aptasensors For Cancer Diagnosis. Curr Pharm Biotechnol 2021; 22:1069-1084. [PMID: 32957883 DOI: 10.2174/1389201021999200918152721] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Revised: 07/23/2020] [Accepted: 08/18/2020] [Indexed: 12/24/2022]
Abstract
Cancer is the most devastating disease in the present scenario, killing millions of people every year. Early detection, accurate diagnosis, and timely treatment are considered to be the most effective ways to control this disease. Rapid and efficient detection of cancer at their earliest stage is one of the most significant challenges in cancer detection and cure. Numerous diagnostic modules have been developed to detect cancer cells early. As nucleic acid equivalent to antibodies, aptamers emerge as a new class of molecular probes that can identify cancer-related biomarkers or circulating rare cancer/ tumor cells with very high specificity and sensitivity. The amalgamation of aptamers with the biosensing platforms gave birth to "Aptasensors." The advent of highly sensitive aptasensors has opened up many new promising point-of-care diagnostics for cancer. This comprehensive review focuses on the newly developed aptasensors for cancer diagnostics.
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Affiliation(s)
- Sambhavi Animesh
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati, 781039, India
| | - Yengkhom D Singh
- Department of Post-Harvest Technology, College of Horticulture and Forestry, Central Agricultural University, Pasighat, Arunachal Pradesh, 791102, India
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16
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Ahirwar R, Khan N, Kumar S. Aptamer-based sensing of breast cancer biomarkers: a comprehensive review of analytical figures of merit. Expert Rev Mol Diagn 2021; 21:703-721. [PMID: 33877005 DOI: 10.1080/14737159.2021.1920397] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
INTRODUCTION Accurate determination of the aberrantly expressed biomarkers such as human epidermal growth factor receptor 2 (HER2), carcinoembryonic antigen (CEA), platelet-derived growth factor (PDGF), mucin 1 (MUC1), and vascular endothelial growth factor VEGF165 have played an essential role in the clinical management of the breast cancer. Assessment of these cancer-specific biomarkers has conventionally relied on time-taking methods like the enzyme-linked immunosorbent assay and immunohistochemistry. However, recent development in the aptamer-based diagnostics has allowed developing tools that may substitute the conventional means of biomarker assessment in breast cancer. Adopting the aptamer-based diagnostic tools (aptasensors) to clinical practices will depend on their analytical performance on clinical samples. AREAS COVERED In this review, we provide an overview of the analytical merits of HER2, CEA, PDGF, MUC1, and VEGF165 aptasensors. Scopus and Pubmed databases were searched for studies reporting aptasensor development for the listed breast cancer biomarkers in the past one decade. Linearity, detection limit, and response time are emphasized. EXPERT OPINION In our opinion, aptasensors have proven to be on a par with the antibody-based methods for detection of various breast cancer biomarkers. Though robust validation of the aptasensors on significant sample size is required, their ability to detect pathophysiological range of biomarkers suggest the possibility of future clinical adoption.
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Affiliation(s)
- Rajesh Ahirwar
- Department of Environmental Biochemistry, ICMR- National Institute for Research in Environmental Health, Bhopal, India
| | - Nabab Khan
- Department of Environmental Biochemistry, ICMR- National Institute for Research in Environmental Health, Bhopal, India
| | - Saroj Kumar
- School of Biosciences, Apeejay Stya University, Gurgaon, India
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Xu J, Jiang R, He H, Ma C, Tang Z. Recent advances on G-quadruplex for biosensing, bioimaging and cancer therapy. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116257] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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18
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Zhou H, Yu Q, Wang H, Zhu W, Liu J, Wang Z. A general scattering proximity immunoassay with the formation of dimer of gold nanoparticle. Talanta 2021; 233:122515. [PMID: 34215130 DOI: 10.1016/j.talanta.2021.122515] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 04/02/2021] [Accepted: 05/09/2021] [Indexed: 11/29/2022]
Abstract
In this work, we structured a colorimetric ultrasensitive detection of carcinoembryonic antigen (CEA) based on a proximity hybridization-induced gold nanoparticles (Au NPs) dimers structure. Under the dark-field microscope, this method takes advantage of the distinctive and strong distance-relative localized surface plasmon resonance (LSPR) of Au NPs and their oriented assembly. DNA served as a medium showing wonderful flexibility to label antibody and Au NPs, and tune interparticle spacing as well. Two capture probes were formed by the integration of DNA labeled antibody (DNA1-Ab1 or DNA2-Ab2) and asymmetrically assembled DNA (DNA 3 or DNA 4)- Au NPs via partly hybridization between DNA sequences. In the presence of antigen, the reaction between target protein and capture probes could trigger the generation of immunocomplex which led to the proximity hybridization of the DNA1 and DNA2, and then change the distance of interparticle to form Au NP dimers and thus showed a different color under dark-field microscope. A limit of detection of 14.25 pg/mL was obtained for the detection of CEA, which indicated a promising sensing method in clinical diagnosis of protein biomarkers.
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Affiliation(s)
- Hong Zhou
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
| | - Qiao Yu
- Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, Shandong, 266071, PR China
| | - Haiyan Wang
- The Affiliated Hospital of Qingdao University, Qingdao, Shandong, 266071, PR China
| | - Wenjing Zhu
- Department of Pharmacy, Qingdao Municipal Hospital, School of Medicine, Qingdao University, Qingdao, Shandong, 266071, PR China
| | - Jing Liu
- College of Chemical and Biological Engineering, Shandong University of Science and Technology, Qingdao, Shandong, 266590, PR China.
| | - Zonghua Wang
- Shandong Sino-Japanese Center for Collaborative Research of Carbon Nanomaterials, College of Chemistry and Chemical Engineering, Qingdao University, Qingdao, Shandong, 266071, PR China
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Cozma I, McConnell EM, Brennan JD, Li Y. DNAzymes as key components of biosensing systems for the detection of biological targets. Biosens Bioelectron 2021; 177:112972. [DOI: 10.1016/j.bios.2021.112972] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 01/01/2021] [Accepted: 01/02/2021] [Indexed: 12/11/2022]
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20
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Zahra QUA, Khan QA, Luo Z. Advances in Optical Aptasensors for Early Detection and Diagnosis of Various Cancer Types. Front Oncol 2021; 11:632165. [PMID: 33718215 PMCID: PMC7946820 DOI: 10.3389/fonc.2021.632165] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 01/04/2021] [Indexed: 12/13/2022] Open
Abstract
Cancer is a life-threatening concern worldwide. Sensitive and early-stage diagnostics of different cancer types can make it possible for patients to get through the best available treatment options to combat this menace. Among several new detection methods, aptamer-based biosensors (aptasensors) have recently shown promising results in terms of sensitivity, identification, or detection of either cancerous cells or the associated biomarkers. In this mini-review, we have summarized the most recent (2016-2020) developments in different approaches belonging to optical aptasensor technologies being widely employed for their simple operation, sensitivity, and early cancer diagnostics. Finally, we shed some light on limitations, advantages, and current challenges of aptasensors in clinical diagnostics, and we elaborated on some future perspectives.
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Affiliation(s)
- Qurat ul ain Zahra
- Core Facility Center for Life Sciences, Department of Biochemistry and Molecular Biology, School of Life Sciences, University of Sciences and Technology of China, Hefei, China
- Hefei National Lab for Physical Sciences at the Microscale and the Centers for Biomedical Engineering, University of Science and Technology of China, Hefei, China
| | - Qaiser Ali Khan
- Institute of Chemistry of New Materials, Universität Osnabrück, Osnabrück, Germany
| | - Zhaofeng Luo
- Core Facility Center for Life Sciences, Department of Biochemistry and Molecular Biology, School of Life Sciences, University of Sciences and Technology of China, Hefei, China
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21
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New insight into G-quadruplexes; diagnosis application in cancer. Anal Biochem 2021; 620:114149. [PMID: 33636157 DOI: 10.1016/j.ab.2021.114149] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 02/01/2021] [Accepted: 02/18/2021] [Indexed: 02/06/2023]
Abstract
Biochemical properties and flexibility of nitrogenous bases allow DNA to fold into higher-order structures. Among different DNA secondary structure, G-quadruplexes (tetrapelexes-G4) - which are formed in guanine rich sequences - have gained more attention because of their biological significance, therapeutic intervention, and application in molecular device and biosensor. G4-quadruplex studies categorize into three main fields, in vivo, in vitro, and in silico. The in vitro field includes G4 synthetic oligonucleotides. This review focuses on the G-quadruplex synthetic aptamers structure features and considers the applicability of G4-aptamers for cancer biomarkers detection. Various biosensing methods will be reviewed based on G-quadruplex aptamers for cancer detection.
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22
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Xiang W, Zhang Z, Weng W, Wu B, Cheng J, Shi L, Sun H, Gao L, Shi K. Highly sensitive detection of carcinoembryonic antigen using copper-free click chemistry on the surface of azide cofunctionalized graphene oxide. Anal Chim Acta 2020; 1127:156-162. [PMID: 32800119 DOI: 10.1016/j.aca.2020.06.053] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 06/19/2020] [Accepted: 06/22/2020] [Indexed: 12/31/2022]
Abstract
In this study, we reported a highly sensitive method for detecting carcinoembryonic antigen (CEA) based on an azide cofunctionalized graphene oxide (GO-N3) and carbon dot (CDs) biosensor system. Carbon dots-labeled DNA (CDs-DNA) combined with GO-N3 using copper-free click chemistry (CFCC), which quenched the fluorescence of the CDs via fluorescence resonance energy transfer (FRET). Upon the addition of CEA, fluorescence was recovered due to the combination of CEA and aptamer. Under optimal conditions, the relative fluorescence intensity was linear with CEA concentration in the range of 0.01-1 ng/mL (R2 = 0.9788), and the limit of detection (LOD) was 7.32 pg/mL (S/N = 3). This biosensor had a high sensitivity and good selectivity for CEA detection in serum samples, indicating that the novel sensor platform holds a great potential for CEA and other biomarkers in practical applications.
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Affiliation(s)
- Wenwen Xiang
- Precision Medical Center Laboratory, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, 325015, China
| | - Zhongjing Zhang
- Precision Medical Center Laboratory, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, 325015, China
| | - Wanqing Weng
- Precision Medical Center Laboratory, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, 325015, China
| | - Boda Wu
- Precision Medical Center Laboratory, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, 325015, China
| | - Jia Cheng
- Precision Medical Center Laboratory, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, 325015, China
| | - Liang Shi
- Precision Medical Center Laboratory, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, 325015, China
| | - Hongwei Sun
- Precision Medical Center Laboratory, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, 325015, China
| | - Li Gao
- Precision Medical Center Laboratory, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, 325015, China.
| | - Keqing Shi
- Precision Medical Center Laboratory, The First Affiliated Hospital, Wenzhou Medical University, Wenzhou, 325015, China
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Kou X, Zhang X, Shao X, Jiang C, Ning L. Recent advances in optical aptasensor technology for amplification strategies in cancer diagnostics. Anal Bioanal Chem 2020; 412:6691-6705. [PMID: 32642836 DOI: 10.1007/s00216-020-02774-7] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Revised: 05/25/2020] [Accepted: 06/16/2020] [Indexed: 02/06/2023]
Abstract
Aptamers are chemically synthetic single-stranded DNA or RNA molecules selected by molecular evolution. They have been widely used as attractive tools in biosensing and bioimaging because they can bind to a large variety of targets with high sensitivity and high affinity and specificity. As recognition elements, aptamers contribute in particular to cancer diagnostics by recognizing different cancer biomarkers, while they can also facilitate ultrasensitive detection by further employing signal amplification elements. Optical techniques have been widely used for direct and real-time monitoring of cancer-related biomolecules and bioprocesses due to the high sensitivity, quick response, and simple operation, which has greatly benefited cancer diagnostics. In this review, we highlight recent advances in optical platform-based sensing strategies for cancer diagnostics aided by aptamers. Limitations and current challenges are also discussed.
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Affiliation(s)
- Xinyue Kou
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, 215163, Jiangsu, China
| | - Xujia Zhang
- Kangda College of Nanjing Medical University, Lianyungang, 222000, Jiangsu, China
| | - Xuejun Shao
- Department of Clinical Laboratory, Children's Hospital of Soochow University, Suzhou, 215025, Jiangsu, China
| | - Chenyu Jiang
- Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, 215163, Jiangsu, China. .,Jinan Guokeyigong Science and Technology Development Co., Ltd., Jinan, 250103, Shandong, China.
| | - Limin Ning
- School of Medicine & Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing, 210023, Jiangsu, China.
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24
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A cost-effective and rapid aptasensor with chemiluminescence detection for the early diagnosis of prostate cancer. Microchem J 2020. [DOI: 10.1016/j.microc.2020.104763] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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25
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Li J, Liu L, Ai Y, Liu Y, Sun H, Liang Q. Self-Polymerized Dopamine-Decorated Au NPs and Coordinated with Fe-MOF as a Dual Binding Sites and Dual Signal-Amplifying Electrochemical Aptasensor for the Detection of CEA. ACS APPLIED MATERIALS & INTERFACES 2020; 12:5500-5510. [PMID: 31939286 DOI: 10.1021/acsami.9b19161] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Fabrication of functional electrochemical biosensor is a hot topic; however, precise and sensitive cancer detection in early clinical diagnosis is still a great challenge. Continuous efforts have been devoted to explore functional materials for this issue. In this work, we developed a dual binding sites and dual signal-amplifying electrochemical aptasensor of self-polymerized dopamine-decorated Au and coordinated with Fe-MOF (Au@PDA@Fe-MOF) for the detection of carcinoembryonic antigen (CEA). Remarkably, Au@PDA@Fe-MOF features high sensitivity, multiple active sites, good biocompatibility, and excellent selectivity, which is attributed to abundant -COOH in porous Fe-MOF and unsaturated Fe3+ sites on the surface of Fe-MOF as the active binding sites grafting more NH2-functionalized CEA-specific aptamer and redox PDA and Fe-MOF accelerating the movement of electrons for dual signal amplifying. Meanwhile, the electrochemical aptasensor shows favorable repeatability with 1.82% relative standard deviation (RSD) under five independent aptasensors and strong stability with only 3.3% degradation after 12 days of storage. In addition, the aptasensor has wide CEA detection range from 1 fg mL-1 to 1 μg mL-1 with a low detection limit of 0.33 fg mL-1 (S/N = 3). Furthermore, the aptasensor is feasible for accurate and quantitative detection of CEA in serum samples with RSD below 2.32%. The satisfying results demonstrate promising applications of the CEA aptasensor in practical sample analysis and lay an important foundation for other biomarker detection in early clinical diagnosis.
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Affiliation(s)
- Jifan Li
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Center for Synthetic and Systems Biology , Tsinghua University , Beijing 100084 , People's Republic of China
- Department of Chemistry , Northeastern University , Shenyang 110819 , People's Republic of China
| | - Lei Liu
- Department of Chemistry , Northeastern University , Shenyang 110819 , People's Republic of China
| | - Yongjian Ai
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Center for Synthetic and Systems Biology , Tsinghua University , Beijing 100084 , People's Republic of China
| | - Yang Liu
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Center for Synthetic and Systems Biology , Tsinghua University , Beijing 100084 , People's Republic of China
| | - Hongbin Sun
- Department of Chemistry , Northeastern University , Shenyang 110819 , People's Republic of China
| | - Qionglin Liang
- Key Laboratory of Bioorganic Phosphorus Chemistry & Chemical Biology (Ministry of Education), Department of Chemistry, Center for Synthetic and Systems Biology , Tsinghua University , Beijing 100084 , People's Republic of China
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26
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Xiang W, Lv Q, Shi H, Xie B, Gao L. Aptamer-based biosensor for detecting carcinoembryonic antigen. Talanta 2020; 214:120716. [PMID: 32278406 DOI: 10.1016/j.talanta.2020.120716] [Citation(s) in RCA: 92] [Impact Index Per Article: 18.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 12/30/2019] [Accepted: 01/03/2020] [Indexed: 02/07/2023]
Abstract
Carcinoembryonic antigen (CEA), as one of the common tumor markers, is a human glycoprotein involved in cell adhesion and is expressed during human fetal development. Since the birth of human, CEA expression is largely inhibited, with only low levels in the plasma of healthy adults. Generally, CEA will overexpressed in many cancers, including gastric, breast, ovarian, lung, and pancreatic cancers, especially colorectal cancer. As one of the important tumor markers, the detection of CEA has great significance in differential diagnosis, condition monitoring and therapeutic evaluation of diseases. Conventional CEA testing typically uses immunoassay methods. However, immunoassay methods require complex and expensive instruments and professional personnel to operate. Moreover, radioactive element may cause certain damage to the human body, which limits their wide application. In the past few years, biosensors, especially aptamer-based biosensors, have attracted extensive attention due to their high sensitivity, good selectivity, high accuracy, fast response and low cost. This review briefly classifies and describes the advance in optical and electrochemical aptamer biosensors for CEA detection, also explains and compares their advantages and disadvantages.
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Affiliation(s)
- Wenwen Xiang
- Institute of Life Sciences, Jiangsu University, Zhenjiang, 212013, PR China
| | - Qiuxiang Lv
- Institute of Life Sciences, Jiangsu University, Zhenjiang, 212013, PR China
| | - Haixia Shi
- P. E. Department of Jiangsu University, Zhenjiang, 212013, PR China
| | - Bing Xie
- Department of Obstetrics and Gynecology, The Fourth People's Hospital of Zhenjiang, Zhenjiang, 212000, PR China
| | - Li Gao
- Institute of Life Sciences, Jiangsu University, Zhenjiang, 212013, PR China.
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27
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Lin X, Wang Y, Wang L, Lu Y, Li J, Lu D, Zhou T, Huang Z, Huang J, Huang H, Qiu S, Chen R, Lin D, Feng S. Interference-free and high precision biosensor based on surface enhanced Raman spectroscopy integrated with surface molecularly imprinted polymer technology for tumor biomarker detection in human blood. Biosens Bioelectron 2019; 143:111599. [DOI: 10.1016/j.bios.2019.111599] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2019] [Revised: 08/06/2019] [Accepted: 08/13/2019] [Indexed: 12/28/2022]
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28
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Kim SS, Lee Y, Shin HS, Lee JH. Highly sensitive chemiluminescence enzyme immunoassay for the quantification of carcinoembryonic antigen in the presence of an enhancer and a stabilizer. J Immunol Methods 2019; 471:18-26. [DOI: 10.1016/j.jim.2019.05.003] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Revised: 04/26/2019] [Accepted: 05/22/2019] [Indexed: 10/26/2022]
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29
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Kim K, Park P, Lee JH. Cost-effective monitoring of microRNA-205 applied as a biomarker using G-quadruplex DNAzyme and 1,1'-oxalyldiimidazole chemiluminescence. J Pharm Biomed Anal 2019; 175:112780. [PMID: 31351249 DOI: 10.1016/j.jpba.2019.112780] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 07/16/2019] [Accepted: 07/17/2019] [Indexed: 12/13/2022]
Abstract
Trace levels of microRNA-205, known as a biomarker of lung cancer, in human serum was quantified for the first-time using G-quadruplex DNAzyme linked to detection complementary probe and 1,1'-oxalyldiimidazole chemiluminescence (ODI-CL). First, capture complementary probes immobilized on the surface of paramagnetic bead selectively bound with microRNA-205 existing in human serum. Then, with the addition of detection complementary probe linked to hemin aptamer, a complex linked to hemin aptamer was formed with the completion of hybridization between microRNA-205 and two complementary probes. With the addition of hemin in the solution, finally, a complex linked to G-quadruplex DNAzyme was formed from the interaction of hemin aptamer and hemin. Resorufin, luminescent dye, was formed from the reaction of Amplex Red and H2O2 in the presence of the complex linked to DNAzyme acting as a horseradish peroxidase (HRP)-mimicking enzyme. The concentration of resorufin formed from the reaction was dependent on the concentration of microRNA-205 in human serum. Thus, the brightness of resorufin emitted in ODI-CL reaction was enhanced with the increase of microRNA-205. The limit of detection (LOD) of the biosensor with ODI-CL detection, capable of sensing microRNA-205 (dynamic range: 0.4-62.5 nM), was as low as 0.13 nM. It was confirmed that the biosensor can quantify trace levels of microRNA-205 with statistically acceptable accuracy, precision, and recovery.
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Affiliation(s)
- Kyungeun Kim
- Luminescent MD, LLC, Hagerstown, MD 21742, United States
| | - Prestan Park
- Luminescent MD, LLC, Hagerstown, MD 21742, United States
| | - Ji Hoon Lee
- Luminescent MD, LLC, Hagerstown, MD 21742, United States.
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30
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Chen M, Ma C, Zhao H, Yan Y. Exonuclease III-assisted fluorometric aptasensor for the carcinoembryonic antigen using graphene oxide and 2-aminopurine. Mikrochim Acta 2019; 186:500. [PMID: 31270630 DOI: 10.1007/s00604-019-3621-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2019] [Accepted: 06/15/2019] [Indexed: 01/04/2023]
Abstract
A reliable fluorometric assay is described for the determination carcinoembryonic antigen (CEA) using exonuclease III (Exo III) and a 2-aminopurine binding aptamer. In the absence of CEA, dsDNA is degraded by Exo III, and free 2-AP (which has a blue fluorescence with excitation/emission maxima of 310/365 nm) is released. Strong fluorescence is generated after addition of graphene oxide (GO) to the solution. However, the 2-AP modified DNA (T2) cannot be degraded in the presence of CEA by Exo III due to the interaction between CEA and aptamer T1. Hence, only weak fluorescence can be detected after addition of GO. In this system, CEA can be quantified in the 0.05 - 2 ng·mL-1 concentration range with a detection limit of 30 pg·mL-1 (at S/N = 3). The method was successfully applied to analyze serum samples for CEA. Graphical Abstract An exonuclease III-assisted fluorometric aptasensor has been developed for the detection of carcinoembryonic antigen using graphene oxide and 2-aminopurine.
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Affiliation(s)
- Mingjian Chen
- School of Life Sciences, Central South University, Changsha, 410013, China
| | - Changbei Ma
- School of Life Sciences, Central South University, Changsha, 410013, China.
| | - Han Zhao
- School of Life Sciences, Central South University, Changsha, 410013, China
| | - Ying Yan
- School of Life Sciences, Central South University, Changsha, 410013, China
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31
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Lee Y, Kim SS, Lee JH. Chemiluminescent dual-enzyme immunoassays capable of simultaneously quantifying carbohydrate antigen 19–9 and carcinoma embryonic antigen in a sample. Anal Chim Acta 2019; 1060:88-96. [DOI: 10.1016/j.aca.2019.01.048] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 11/21/2018] [Accepted: 01/23/2019] [Indexed: 12/22/2022]
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32
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Aptasensor for multiplex detection of antibiotics based on FRET strategy combined with aptamer/graphene oxide complex. Sci Rep 2019; 9:7659. [PMID: 31114011 PMCID: PMC6529438 DOI: 10.1038/s41598-019-44051-3] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2018] [Accepted: 05/03/2019] [Indexed: 01/11/2023] Open
Abstract
The development of a multiplexed sensing platform is necessary for highly selective, sensitive, and rapid screening of specific antibiotics. In this study, we designed a novel multiplex aptasensor for antibiotics by fluorescence resonance energy transfer (FRET) strategy using DNase I-assisted cyclic enzymatic signal amplification (CESA) method combined with aptamer/graphene oxide complex. The aptamers specific for sulfadimethoxine, kanamycin, and ampicillin were conjugated with Cyanine 3 (Cy3), 6-Carboxyfluorescein (FAM), and Cyanine 5 (Cy5), respectively, and graphene oxide (GO) was adopted to quench the fluorescence of the three different fluorophores with the efficiencies of 94.36%, 93.94%, and 96.97% for Cy3, FAM, and Cy5, respectively. CESA method was used for sensitive detection, resulting in a 2.1-fold increased signal compared to those of unamplified method. The aptasensor rapidly detected antibiotics in solution with limit of detection of 1.997, 2.664, and 2.337 ng/mL for sulfadimethoxine, kanamycin, and ampicillin, respectively. In addition, antibiotics dissolved in milk were efficiently detected with similar sensitivities. Multiplexed detection test proved that the fluorescently modified aptamers could work separately from each other. The results indicate that the aptasensor offers high specificity for each antibiotic and enables simultaneous and multicolor sensing for rapid screening of multiple antibiotics at the same time.
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Meng Y, Song Y, Guo C, Cui B, Ji H, Ma Z. Tailoring the dimensionality of carbon nanostructures as highly electrochemical supports for detection of carcinoembryonic antigens. RSC Adv 2019; 9:13431-13443. [PMID: 35519587 PMCID: PMC9063882 DOI: 10.1039/c9ra01847f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Accepted: 04/25/2019] [Indexed: 11/30/2022] Open
Abstract
Partially- and fully-unzipped nitrogen-doped carbon nanotubes (NCNTs) were prepared by unzipping pristine NCNTs and three carbon nanostructures were applied to support Au nanoparticles (AuNPs) to form nanocomposites (Au/NCNTs, Au/PU-NCNTs, and Au/FU-NCNTs). The electrochemical behavior and the electrocatalytic activities of the nanocomposite-modified electrodes were examined. The oxygen functional groups, doped N content, and AuNP loaded concentrations are dependent on the unzipping-degree and then affect the electrochemical response and electrocatalytic performance of the electrodes. Besides, the three nanocomposites were also used for the immobilization of carcinoembryonic antigen (CEA) aptamer strands and applied for the detection of CEA. The Au/FU-NCNTs possess the optimal electrocatalytic activity and biosensing performance for the biomolecules and CEA, which is attributed to the maximum loaded AuNPs, the largest specific surface areas and the most active sites. The Au/FU-NCNT-based electrochemical aptasensor exhibits high sensitivity with a low detection limit of 6.84 pg mL-1 within a broad linear range of CEA concentration from 0.01 to 10 ng mL-1. All of these results indicate that the Au/FU-NCNTs may be a potential support for construction of aptasensors with high electrochemical effect and can be employed in the fields of biosensing or biomedical diagnosis.
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Affiliation(s)
- Yubo Meng
- College of Mechanical Engineering, Henan University of Engineering No. 1, Xianghe Road, Longhu Town Zhengzhou Henan 451191 P. R. China
| | - Yingpan Song
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry No. 136, Science Avenue Zhengzhou Henan 450001 P. R. China
| | - Chuanpan Guo
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry No. 136, Science Avenue Zhengzhou Henan 450001 P. R. China
| | - Bingbing Cui
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry No. 136, Science Avenue Zhengzhou Henan 450001 P. R. China
| | - Hongfei Ji
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry No. 136, Science Avenue Zhengzhou Henan 450001 P. R. China
| | - Zongzheng Ma
- College of Mechanical Engineering, Henan University of Engineering No. 1, Xianghe Road, Longhu Town Zhengzhou Henan 451191 P. R. China
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Gao F, Zhou F, Chen S, Yao Y, Wu J, Yin D, Geng D, Wang P. Proximity hybridization triggered rolling-circle amplification for sensitive electrochemical homogeneous immunoassay. Analyst 2018; 142:4308-4316. [PMID: 29053159 DOI: 10.1039/c7an01434a] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
A new homogeneous electrochemical immunoassay strategy was developed for ultrasensitive detection of carcinoembryonic antigen (CEA) based on target-induced proximity hybridization coupled with rolling circle amplification (RCA). The immobilization-free detection of CEA was realized by the use of an uncharged peptide nucleic acid (PNA) probe labeled with ferrocene (Fc) as the electroactive indicator on a negatively charged indium tin oxide (ITO) electrode. In the presence of a target protein and two DNA-labeled antibodies, the proximate complex formed in homogeneous solution could unfold the molecular beacon, and a part of the unfolded molecular beacon as a primer hybridized with the RCA template to initiate the RCA process. Subsequently, the detection probe modified Fc (Fc-PNAs) hybridized with the long amplified DNA products. The consumption of freely diffusible Fc-PNAs (neutrally charged) resulted in a significant reduction of the Fc signal due to the fact that long amplified DNA/Fc-PNA products were electrostatically repelled from the ITO electrode surface. The reduction of the electrochemical signal (signal-off) could indirectly provide the CEA concentration. Under the optimal conditions, CEA detection was implemented in a wide range from 1 pg mL-1 to 10 ng mL-1, with a low detection limit of 0.49 pg mL-1. The proposed strategy exhibited advantages of good selectivity, high sensitivity, acceptable accuracy, and favorable versatility of analytes. Moreover, the practical application value of the system was confirmed by the assay of CEA in human serums with satisfactory results.
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Affiliation(s)
- Fenglei Gao
- School of Chemistry and Materials Science, Jiangsu Normal University, Xuzhou 221116, P. R. China.
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Taghdisi SM, Danesh NM, Ramezani M, Emrani AS, Abnous K. A Novel Electrochemical Aptasensor for Carcinoembryonic Antigen Detection Based on Target-induced Bridge Assembly. ELECTROANAL 2018. [DOI: 10.1002/elan.201800094] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Seyed Mohammad Taghdisi
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute; Mashhad University of Medical Sciences; Mashhad Iran
- Department of Pharmaceutical Biotechnology, School of Pharmacy; Mashhad University of Medical Sciences; Mashhad Iran
| | | | - Mohammad Ramezani
- Pharmaceutical Research Center, Pharmaceutical Technology Institute; Mashhad University of Medical Sciences; Mashhad Iran
| | - Ahmad Sarreshtehdar Emrani
- Cardiovascular Research Center, School of Medicine; Mashhad University of Medical Sciences; Mashhad Iran
| | - Khalil Abnous
- Pharmaceutical Research Center, Pharmaceutical Technology Institute; Mashhad University of Medical Sciences; Mashhad Iran
- Department of Medicinal Chemistry, School of Pharmacy; Mashhad University of Medical Sciences; Mashhad Iran
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Kim B, Chung KW, Lee JH. Non-stop aptasensor capable of rapidly monitoring norovirus in a sample. J Pharm Biomed Anal 2018; 152:315-321. [PMID: 29471255 DOI: 10.1016/j.jpba.2018.02.022] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 02/07/2018] [Accepted: 02/08/2018] [Indexed: 10/18/2022]
Abstract
A cost-effective and simple biosensor was developed for the accurate and rapid monitoring of norovirus GII in a sample. The modified DNA aptamer, 5 guanines linked to conventional DNA aptamer, designed for the research, was able to rapidly capture norovirus GII in tap water as well artificial urine. In addition, the extra guanines of the modified DNA aptamer enhanced the sensitivity of biosensor with guanine chemiluminescence detection based on the principle of intra chemiluminescent resonance transfer (Intra-CRET). This is because additional high-energy intermediates formed from the reaction of extra guanines and 3, 4, 5-trimethoxylphenylglyoxal (TMPG) were able to directly transfer energy to 6-carboxylfluorescein (6-FAM) to emit bright chemiluminescence. The biosensor operated without time-consuming and tedious procedures (e.g., sample pretreatment, long and multiple incubations, washings) was able to accurately quantify trace levels of norovirus GII capsid with excellent specificity and reproducibility. The limit of detection (LOD = 3σ) of the biosensor for norovirus GII capsids in tap water was as low as 80 ng/ml. It is expected that the new technology confirmed while developing the biosensor can be applied to devise alternative biosensors capable of rapidly quantifying various food-borne pathogens in a sample.
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Affiliation(s)
- Brian Kim
- Luminescent MD, LLC, Hagerstown, MD, 21742, United States
| | - Kang Wook Chung
- Luminescent MD, LLC, Hagerstown, MD, 21742, United States; Krieger School of Arts & Sciences, Johns Hopkins University, Baltimore, MD, 21218, United States
| | - Ji Hoon Lee
- Luminescent MD, LLC, Hagerstown, MD, 21742, United States.
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Peng H, Newbigging AM, Wang Z, Tao J, Deng W, Le XC, Zhang H. DNAzyme-Mediated Assays for Amplified Detection of Nucleic Acids and Proteins. Anal Chem 2017; 90:190-207. [DOI: 10.1021/acs.analchem.7b04926] [Citation(s) in RCA: 145] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
- Hanyong Peng
- Division of Analytical and Environmental
Toxicology, Department of Laboratory Medicine and Pathology, Faculty
of Medicine and Dentistry, University of Alberta, 10-102 Clinical
Sciences Building, Edmonton, Alberta T6G 2G3, Canada
| | - Ashley M. Newbigging
- Division of Analytical and Environmental
Toxicology, Department of Laboratory Medicine and Pathology, Faculty
of Medicine and Dentistry, University of Alberta, 10-102 Clinical
Sciences Building, Edmonton, Alberta T6G 2G3, Canada
| | - Zhixin Wang
- Division of Analytical and Environmental
Toxicology, Department of Laboratory Medicine and Pathology, Faculty
of Medicine and Dentistry, University of Alberta, 10-102 Clinical
Sciences Building, Edmonton, Alberta T6G 2G3, Canada
| | - Jeffrey Tao
- Division of Analytical and Environmental
Toxicology, Department of Laboratory Medicine and Pathology, Faculty
of Medicine and Dentistry, University of Alberta, 10-102 Clinical
Sciences Building, Edmonton, Alberta T6G 2G3, Canada
| | - Wenchan Deng
- Division of Analytical and Environmental
Toxicology, Department of Laboratory Medicine and Pathology, Faculty
of Medicine and Dentistry, University of Alberta, 10-102 Clinical
Sciences Building, Edmonton, Alberta T6G 2G3, Canada
| | - X. Chris Le
- Division of Analytical and Environmental
Toxicology, Department of Laboratory Medicine and Pathology, Faculty
of Medicine and Dentistry, University of Alberta, 10-102 Clinical
Sciences Building, Edmonton, Alberta T6G 2G3, Canada
| | - Hongquan Zhang
- Division of Analytical and Environmental
Toxicology, Department of Laboratory Medicine and Pathology, Faculty
of Medicine and Dentistry, University of Alberta, 10-102 Clinical
Sciences Building, Edmonton, Alberta T6G 2G3, Canada
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Guo C, Su F, Song Y, Hu B, Wang M, He L, Peng D, Zhang Z. Aptamer-Templated Silver Nanoclusters Embedded in Zirconium Metal-Organic Framework for Bifunctional Electrochemical and SPR Aptasensors toward Carcinoembryonic Antigen. ACS APPLIED MATERIALS & INTERFACES 2017; 9:41188-41199. [PMID: 29112366 DOI: 10.1021/acsami.7b14952] [Citation(s) in RCA: 117] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
This study reported a novel biosensor based on the nanocomposite of zirconium metal-organic framework (Zr-MOF, UiO-66) embedded with silver nanoclusters (Ag NCs) using the carcinoembryonic antigen (CEA)-targeted aptamer as template (AgNCs@Apt@UiO-66). The synthesized AgNCs@Apt@UiO-66 nanocomposite not only possesses good biocompatibility, active electrochemical performance, and strong bioaffinity, but also can be dispersed to form two-dimensional nanocomposite with nanoscale thickness. As such, the use of the AgNCs@CEA-aptamer enables AgNC@Apt@UiO-66 with sensitive and selective detection capacity of trace CEA, further concurrently being exploited as scaffold for surface plasmon resonance spectroscopy (SPR) and electrochemical biosensors. The results showed that the proposed electrochemical AgNC@Apt@UiO-66-based aptasensor exhibits high sensitivity with a low detection limit (LOD) of 8.88 and 4.93 pg·mL-1 deduced from electrochemical impedance spectroscopy and differential pulse voltammetry, respectively, within a broad linear range of the CEA concentration (0.01-10 ng·mL-1). Meanwhile, the developed SPR biosensor exhibited a slightly high LOD of 0.3 ng·mL-1 within the CEA concentration of 1.0-250 ng·mL-1. Both the electrochemical and SPR aptasensors displayed high selectivity, good reproducibility, stability, acceptable regenerability, and applicability in real human serum samples. These results proved that the proposed aptamer-targeted Zr-MOF nanocomposite can be utilized in multiple-functionally biosensing, further promoting the potential application of Zr-MOF-related nanomaterials in clinical diagnosis.
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Affiliation(s)
- Chuanpan Guo
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry , Zhengzhou 450001, P. R. China
| | - Fangfang Su
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry , Zhengzhou 450001, P. R. China
| | - Yingpan Song
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry , Zhengzhou 450001, P. R. China
| | - Bin Hu
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry , Zhengzhou 450001, P. R. China
| | - Minghua Wang
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry , Zhengzhou 450001, P. R. China
| | - Linghao He
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry , Zhengzhou 450001, P. R. China
| | - Donglai Peng
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry , Zhengzhou 450001, P. R. China
| | - Zhihong Zhang
- Henan Provincial Key Laboratory of Surface and Interface Science, Zhengzhou University of Light Industry , Zhengzhou 450001, P. R. China
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Yuan T, Fei J, Xu Y, Yang X, Li J. Stimuli-Responsive Dipeptide-Protein Hydrogels through Schiff Base Coassembly. Macromol Rapid Commun 2017; 38. [DOI: 10.1002/marc.201700408] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 07/18/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Tingting Yuan
- Beijing National Laboratory for Molecular Sciences; CAS Key Lab of Colloid; Interface and Chemical Thermodynamics; Institute of Chemistry; Chinese Academy of Sciences; Zhonguancun Beijing 100190 China
- School of Chemistry and Chemical Engineering; University of Chinese Academy of Sciences; Beijing 100049 China
| | - Jinbo Fei
- Beijing National Laboratory for Molecular Sciences; CAS Key Lab of Colloid; Interface and Chemical Thermodynamics; Institute of Chemistry; Chinese Academy of Sciences; Zhonguancun Beijing 100190 China
| | - Youqian Xu
- Beijing National Laboratory for Molecular Sciences; CAS Key Lab of Colloid; Interface and Chemical Thermodynamics; Institute of Chemistry; Chinese Academy of Sciences; Zhonguancun Beijing 100190 China
- School of Chemistry and Chemical Engineering; University of Chinese Academy of Sciences; Beijing 100049 China
| | - Xiaoke Yang
- Beijing National Laboratory for Molecular Sciences; CAS Key Lab of Colloid; Interface and Chemical Thermodynamics; Institute of Chemistry; Chinese Academy of Sciences; Zhonguancun Beijing 100190 China
- School of Chemistry and Chemical Engineering; University of Chinese Academy of Sciences; Beijing 100049 China
| | - Junbai Li
- Beijing National Laboratory for Molecular Sciences; CAS Key Lab of Colloid; Interface and Chemical Thermodynamics; Institute of Chemistry; Chinese Academy of Sciences; Zhonguancun Beijing 100190 China
- School of Chemistry and Chemical Engineering; University of Chinese Academy of Sciences; Beijing 100049 China
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Abnous K, Danesh NM, Ramezani M, Alibolandi M, Hassanabad KY, Emrani AS, Bahreyni A, Taghdisi SM. A triple-helix molecular switch-based electrochemical aptasensor for interferon-gamma using a gold electrode and Methylene Blue as a redox probe. Mikrochim Acta 2017. [DOI: 10.1007/s00604-017-2457-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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