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Saidi D, Obeidat M, Alsotari S, Ibrahim AA, Al-Buqain R, Wehaibi S, Alqudah DA, Nsairat H, Alshaer W, Alkilany AM. Formulation optimization of lyophilized aptamer-gold nanoparticles: Maintained colloidal stability and cellular uptake. Heliyon 2024; 10:e30743. [PMID: 38774322 PMCID: PMC11107208 DOI: 10.1016/j.heliyon.2024.e30743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Revised: 05/01/2024] [Accepted: 05/03/2024] [Indexed: 05/24/2024] Open
Abstract
Anti-nucleolin (NCL) aptamer AS1411 is the first anticancer aptamer tested in clinical trials. Gold nanoparticles (AuNP) have been widely exploited for various biomedical applications due to their unique functional properties. In this study, we evaluated the colloidal stability and targeting capacity of AS1411-funtionalized AuNP (AuNP/NCL-Apt) against MCF-7 breast cancer cell line before and after lyophilization. Trehalose, mannitol, and sucrose at various concentrations were evaluated to determine their cryoprotection effects. Our results indicate that sucrose at 10 % (w/v) exhibits the best cryoprotection effect and minimal AuNP/NCL-Apt aggregation as confirmed by UV-Vis spectroscopy and dynamic light scattering (DLS) measurements. Moreover, the lyophilized AuNP/NCL-Apt at optimized formulation maintained its targeting and cytotoxic functionality against MCF-7 cells as proven by the cellular uptake assays utilizing flow cytometry and confocal laser scanning microscopy (CLSM). Quantitative PCR (qPCR) analysis of nucleolin-target gene expression also confirmed the effectiveness of AuNP/NCL-Apt. This study highlights the importance of selecting the proper type and concentration of cryoprotectant in the typical nanoparticle lyophilization process and contributes to our understanding of the physical and biological properties of functionalized nanoparticles upon lyophilization.
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Affiliation(s)
- Dalya Saidi
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid, 22110, Jordan
| | - Marya Obeidat
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, Jordan University of Science and Technology, Irbid, 22110, Jordan
| | - Shrouq Alsotari
- Cell Therapy Center, The University of Jordan, Amman, 11942, Jordan
| | - Abed-Alqader Ibrahim
- Department of Nanoscience, Joint School of Nanoscience and Nanoengineering, University of North Carolina at Greensboro, 2907 E. Gate City Blvd, Greensboro, NC, 27401, USA
| | - Rula Al-Buqain
- Cell Therapy Center, The University of Jordan, Amman, 11942, Jordan
| | - Suha Wehaibi
- Cell Therapy Center, The University of Jordan, Amman, 11942, Jordan
| | - Dana A. Alqudah
- Cell Therapy Center, The University of Jordan, Amman, 11942, Jordan
| | - Hamdi Nsairat
- Pharmacological and Diagnostic Research Center, Faculty of Pharmacy, Al-Ahliyya Amman University, Amman, 19328, Jordan
| | - Walhan Alshaer
- Cell Therapy Center, The University of Jordan, Amman, 11942, Jordan
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2
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Sun H, Li J, Li L, Wang C, Liu X, Shi M, Liu Z, Li K. Construction of test strips for lung cancer detection based on aptamers. J Pharm Biomed Anal 2024; 242:115976. [PMID: 38350371 DOI: 10.1016/j.jpba.2024.115976] [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: 10/10/2023] [Revised: 01/02/2024] [Accepted: 01/08/2024] [Indexed: 02/15/2024]
Abstract
Lung cancer is the most common malignancy worldwide. Early diagnosis helps to reduce mortality and improve survival. Aptamers are widely used in cancer screening because of their high specificity, good stability and low cost. In this study, using the specific aptamer of lung cancer serum, the sandwich method colloidal gold test strip was prepared by isothermal amplification technique and the principle of nucleic acid hybridisation for the early diagnosis of lung cancer. The results showed that the test strip was positive in 8 patients with lung cancer, which was consistent with the actual cases. The test strip can accurately identify lung cancer patients. The concentration range of nucleic acid detection is 1 × 10-4 - 7 × 10-4 mol/L, and the detection limit is 0.67 mM. The test strip detection method has low cost and simple operation, and provides a reference for the development of home portable tumor early detection.
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Affiliation(s)
- Huaqing Sun
- College of Environmental & Chemical Engineering, Yanshan University, Qinhuangdao, Hebei 066004, China; Hebei Key Laboratory of Nanobiotechnology, Yanshan University, Qinhuangdao 066004, China; State Key Laboratory of Metastable Materials Preparation Technology and Science, Yanshan University, Qinhuangdao 066004, China
| | - Jian Li
- College of Environmental & Chemical Engineering, Yanshan University, Qinhuangdao, Hebei 066004, China; Hebei Key Laboratory of Nanobiotechnology, Yanshan University, Qinhuangdao 066004, China; State Key Laboratory of Metastable Materials Preparation Technology and Science, Yanshan University, Qinhuangdao 066004, China
| | - Liang Li
- Peking University Third Hospital Qinhuangdao Hospital, Qinhuangdao, Hebei 066000, China
| | - Chunyu Wang
- Qinhuangdao Beidaihe Hospital, Qinhuangdao, Hebei 066000, China
| | - Xiujuan Liu
- The First Hospital of Qinhuangdao City, Qinhuangdao, Hebei 066000, China
| | - Ming Shi
- College of Environmental & Chemical Engineering, Yanshan University, Qinhuangdao, Hebei 066004, China; Hebei Key Laboratory of Nanobiotechnology, Yanshan University, Qinhuangdao 066004, China; State Key Laboratory of Metastable Materials Preparation Technology and Science, Yanshan University, Qinhuangdao 066004, China
| | - Zhiwei Liu
- College of Environmental & Chemical Engineering, Yanshan University, Qinhuangdao, Hebei 066004, China; Hebei Key Laboratory of Nanobiotechnology, Yanshan University, Qinhuangdao 066004, China; State Key Laboratory of Metastable Materials Preparation Technology and Science, Yanshan University, Qinhuangdao 066004, China
| | - Kun Li
- College of Environmental & Chemical Engineering, Yanshan University, Qinhuangdao, Hebei 066004, China; Hebei Key Laboratory of Nanobiotechnology, Yanshan University, Qinhuangdao 066004, China; State Key Laboratory of Metastable Materials Preparation Technology and Science, Yanshan University, Qinhuangdao 066004, China.
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3
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Kavruk M, Babaie Z, Kibar G, Çetin B, Yeşilkaya H, Amrani Y, Dursun AD, Özalp VC. Aptamer decorated PDA@magnetic silica microparticles for bacteria purification. Mikrochim Acta 2024; 191:285. [PMID: 38652174 PMCID: PMC11039557 DOI: 10.1007/s00604-024-06322-3] [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: 11/20/2023] [Accepted: 03/20/2024] [Indexed: 04/25/2024]
Abstract
One significant constraint in the advancement of biosensors is the signal-to-noise ratio, which is adversely affected by the presence of interfering factors such as blood in the sample matrix. In the present investigation, a specific aptamer binding was chosen for its affinity, while exhibiting no binding affinity towards non-target bacterial cells. This selective binding property was leveraged to facilitate the production of magnetic microparticles decorated with aptamers. A novel assay was developed to effectively isolate S. pneumoniae from PBS or directly from blood samples using an aptamer with an affinity constant of 72.8 nM. The capture experiments demonstrated efficiencies up to 87% and 66% are achievable for isolating spiked S. pneumoniae in 1 mL PBS and blood samples, respectively.
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Affiliation(s)
- Murat Kavruk
- Department of Medical Biology, Faculty of Medicine, İstanbul Aydın University, İstanbul, 34295, Türkiye
| | - Zahra Babaie
- Microfluidics & Lab-on-a-chip Research Group, İ.D. Bilkent University, Ankara, 06800, Türkiye
- UNAM-National Nanotech, Research Center and Institute Materials Science & Nanotech, İ.D. Bilkent University, Ankara, 06800, Türkiye
| | - Güneş Kibar
- Microfluidics & Lab-on-a-chip Research Group, İ.D. Bilkent University, Ankara, 06800, Türkiye
- UNAM-National Nanotech, Research Center and Institute Materials Science & Nanotech, İ.D. Bilkent University, Ankara, 06800, Türkiye
- Micro Nano Particles (MNP) Research Group, Materials Science and Engineering Department, Adana Alparslan Turkes Science and Technology University, Adana, 01250, Türkiye
| | - Barbaros Çetin
- Department of Medical Biology, Faculty of Medicine, İstanbul Aydın University, İstanbul, 34295, Türkiye
- Microfluidics & Lab-on-a-chip Research Group, İ.D. Bilkent University, Ankara, 06800, Türkiye
| | - Hasan Yeşilkaya
- Department Respiratory Sciences, University of Leicester, University Road, Leicester, LE1 7RH, UK
| | - Yassine Amrani
- Department Respiratory Sciences, University of Leicester, University Road, Leicester, LE1 7RH, UK
| | - Ali Doğan Dursun
- Department of Physiology, School of Medicine, Atilim University, Ankara, 06830, Türkiye
| | - V Cengiz Özalp
- Department of Medical Biology, School of Medicine, Atilim University, Ankara, 06830, Türkiye.
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4
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Ju S, Cho HY. Biohybrid Nanoparticle-Based In Situ Monitoring of In Vivo Drug Delivery. BIOSENSORS 2023; 13:1017. [PMID: 38131776 PMCID: PMC10741677 DOI: 10.3390/bios13121017] [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: 10/31/2023] [Revised: 11/26/2023] [Accepted: 12/01/2023] [Indexed: 12/23/2023]
Abstract
Nanomaterials have gained huge attention worldwide owing to their unique physicochemical characteristics which enable their applications in the field of biomedicine and drug delivery systems. Although nanodrug delivery systems (NDDSs) have better target specificity and bioavailability than traditional drug delivery systems, their behavior and clearance mechanisms in living subjects remain unclear. In this regard, the importance of bioimaging methods has come to the forefront for investigating the biodistribution of nanocarriers and discovering drug release mechanisms in vivo. In this review, we introduce several examples of biohybrid nanoparticles and their clinical applications, focusing on their advantages and limitations. The various bioimaging methods for monitoring the fate of nanodrugs in biological systems and the future perspectives of NDDSs have also been discussed.
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Affiliation(s)
| | - Hyeon-Yeol Cho
- Department of Bio & Fermentation Convergence Technology, Kookmin University, 77 Jeongneung-ro, Seongbuk-gu, Seoul 02707, Republic of Korea;
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5
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Brannetti S, Gentile S, Chamorro-Garcia A, Barbero L, Del Grosso E, Ricci F. Decorated DNA-Based Scaffolds as Lateral Flow Biosensors. Angew Chem Int Ed Engl 2023; 62:e202313243. [PMID: 37804080 DOI: 10.1002/anie.202313243] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2023] [Revised: 10/03/2023] [Accepted: 10/06/2023] [Indexed: 10/08/2023]
Abstract
Here we develop Lateral Flow Assays (LFAs) that employ as functional elements DNA-based structures decorated with reporter tags and recognition elements. We have rationally re-engineered tile-based DNA tubular structures that can act as scaffolds and can be decorated with recognition elements of different nature (i.e. antigens, aptamers or proteins) and with orthogonal fluorescent dyes. As a proof-of-principle we have developed sandwich and competitive multiplex lateral flow platforms for the detection of several targets, ranging from small molecules (digoxigenin, Dig and dinitrophenol, DNP), to antibodies (Anti-Dig, Anti-DNP and Anti-MUC1/EGFR bispecific antibodies) and proteins (thrombin). Coupling the advantages of functional DNA-based scaffolds together with the simplicity of LFAs, our approach offers the opportunity to detect a wide range of targets with nanomolar sensitivity and high specificity.
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Affiliation(s)
- Simone Brannetti
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Serena Gentile
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Alejandro Chamorro-Garcia
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Luca Barbero
- RBM-Merck an affiliate of Merck KGaA, Via Ribes 1, 10010, Turin, Italy
| | - Erica Del Grosso
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
| | - Francesco Ricci
- Department of Chemical Sciences and Technologies, University of Rome Tor Vergata, Via della Ricerca Scientifica, 00133, Rome, Italy
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6
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Shen Q, Fang C, Serpe MJ. Microgel-based etalon immunoassay for IgG detection. Anal Bioanal Chem 2023; 415:5645-5656. [PMID: 37421438 DOI: 10.1007/s00216-023-04834-0] [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: 05/22/2023] [Revised: 06/26/2023] [Accepted: 06/29/2023] [Indexed: 07/10/2023]
Abstract
We developed an immunoassay for mouse immunoglobulin (IgG) quantitation using poly(N-isopropylacrylamide-co-acrylic acid) (pNIPAm-co-AAc) microgel-based etalon devices. To achieve this, a biotinylated primary antibody specific to mouse IgG was immobilized on the top Au layer of an etalon device via its interaction with a streptavidin-modified etalon surface. Mouse IgG captured on the etalon surface from the solution was quantified using an HRP-conjugated secondary antibody. HRP catalyzed the oxidation of 4-chloro-1-naphthol (4CN) to form insoluble 4-chloro-1-naphthon (4CNP), resulting in a concentration change of 4CN in solution. The etalon was able to detect the 4CN concentration change by monitoring the extent of the etalon's reflectance peak shift, which allows the quantitation of mouse IgG. The etalon-based assay can detect mouse IgG down to 0.018 nM with a linear range of 0.02-5 nM.
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Affiliation(s)
- Qiming Shen
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
| | - Changhao Fang
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada
| | - Michael J Serpe
- Department of Chemistry, University of Alberta, Edmonton, Alberta, T6G 2G2, Canada.
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7
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Mahmoodpour M, Kiasari BA, Karimi M, Abroshan A, Shamshirian D, Hosseinalizadeh H, Delavari A, Mirzei H. Paper-based biosensors as point-of-care diagnostic devices for the detection of cancers: a review of innovative techniques and clinical applications. Front Oncol 2023; 13:1131435. [PMID: 37456253 PMCID: PMC10348714 DOI: 10.3389/fonc.2023.1131435] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 06/01/2023] [Indexed: 07/18/2023] Open
Abstract
The development and rapid progression of cancer are major social problems. Medical diagnostic techniques and smooth clinical care of cancer are new necessities that must be supported by innovative diagnostic methods and technologies. Current molecular diagnostic tools based on the detection of blood protein markers are the most common tools for cancer diagnosis. Biosensors have already proven to be a cost-effective and accessible diagnostic tool that can be used where conventional laboratory methods are not readily available. Paper-based biosensors offer a new look at the world of analytical techniques by overcoming limitations through the creation of a simple device with significant advantages such as adaptability, biocompatibility, biodegradability, ease of use, large surface-to-volume ratio, and cost-effectiveness. In this review, we covered the characteristics of exosomes and their role in tumor growth and clinical diagnosis, followed by a discussion of various paper-based biosensors for exosome detection, such as dipsticks, lateral flow assays (LFA), and microfluidic paper-based devices (µPADs). We also discussed the various clinical studies on paper-based biosensors for exosome detection.
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Affiliation(s)
- Mehrdad Mahmoodpour
- Department of Medical Biotechnology, Faculty of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Bahman Abedi Kiasari
- Virology Department, Faculty of Veterinary, The University of Tehran, Tehran, Iran
| | - Merat Karimi
- Institute of Nanoscience and Nanotechnology, University of Kashan, Kashan, Iran
| | - Arezou Abroshan
- Student Research Committee, Faculty of Veterinary Medicine, Shahid Bahonar University, Kerman, Iran
| | - Danial Shamshirian
- Chronic Respiratory Diseases Research Center, National Research Institute of Tuberculosis and Lung Diseases (NRITLD), Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hamed Hosseinalizadeh
- Department of Medical Biotechnology, Faculty of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Alireza Delavari
- Student's Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamed Mirzei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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8
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Fathi-Karkan S, Mirinejad S, Ulucan-Karnak F, Mukhtar M, Almanghadim HG, Sargazi S, Rahdar A, Díez-Pascual AM. Biomedical applications of aptamer-modified chitosan nanomaterials: An updated review. Int J Biol Macromol 2023; 238:124103. [PMID: 36948344 DOI: 10.1016/j.ijbiomac.2023.124103] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Revised: 03/02/2023] [Accepted: 03/16/2023] [Indexed: 03/24/2023]
Abstract
Among polysaccharides of environmental and economic interest, chitosan (CS) is receiving much attention, particularly in the food and biotechnology industries to encapsulate active food ingredients and immobilize enzymes. CS nanoparticles (CS NPs) combine the intrinsic beneficial properties of both natural polymers and nanoscale particles such as quantum size effect, biocompatibility, biodegradability, and ease of modification, and have great potential for bioimaging, drug delivery, and biosensing applications. Aptamers are single-stranded oligonucleotides that can fold into predetermined structures and bind to the corresponding biomolecules. They are mainly used as targeting ligands in biosensors, disease diagnostic kits and treatment strategies. They can deliver contrast agents and drugs into cancer cells and tissues, control microorganism growth and precisely target pathogens. Aptamer-conjugated CS NPs can significantly improve the efficacy of conventional therapies, minimize their side effects on normal tissues, and overcome the enhanced permeability retention (EPR) effect. Further, aptamer-conjugated carbohydrate-based nanobiopolymers have shown excellent antibacterial and antiviral properties and can be used to develop novel biosensors for the efficient detection of antibiotics, toxins, and other biomolecules. This updated review aims to provide a comprehensive overview of the bioapplications of aptamer-conjugated CS NPs used as innovative diagnostic and therapeutic platforms, their limitations, and potential future directions.
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Affiliation(s)
- Sonia Fathi-Karkan
- Department of Advanced Sciences and Technologies in Medicine, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd 94531-55166, Iran
| | - Shekoufeh Mirinejad
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan 98167-43463, Iran
| | - Fulden Ulucan-Karnak
- Department of Medical Biochemistry, Faculty of Medicine, Ege University, İzmir 35100, Turkey
| | - Mahwash Mukhtar
- Faculty of Pharmacy, Institute of Pharmaceutical Technology and Regulatory Affairs, University of Szeged, 6720 Szeged, Hungary.
| | | | - Saman Sargazi
- Cellular and Molecular Research Center, Research Institute of Cellular and Molecular Sciences in Infectious Diseases, Zahedan University of Medical Sciences, Zahedan 98167-43463, Iran
| | - Abbas Rahdar
- Department of Physics, University of Zabol, Zabol, P.O. Box 98613-35856, 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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9
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TODOROKI K, ISOBE R, YAMADA T, SAITO T, SHIMIZU Y, TSUKAKOSHI K, SUGIYAMA E, MIZUNO H, HAYASHI H, IKEBUKURO K. Development of a Lateral Flow Assay for Bevacizumab Using an Anti-Idiotype DNA Aptamer as a Capture Molecule. CHROMATOGRAPHY 2022. [DOI: 10.15583/jpchrom.2022.008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Affiliation(s)
| | - Ryota ISOBE
- School of Pharmaceutical Sciences, University of Shizuoka
| | | | - Taro SAITO
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology
| | - Yutaka SHIMIZU
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology
| | - Kaori TSUKAKOSHI
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology
| | - Eiji SUGIYAMA
- School of Pharmaceutical Sciences, University of Shizuoka
| | - Hajime MIZUNO
- School of Pharmaceutical Sciences, University of Shizuoka
| | | | - Kazunori IKEBUKURO
- Department of Biotechnology and Life Science, Tokyo University of Agriculture and Technology
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10
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Affiliation(s)
- Pankaj Kumar
- Nano-Bioconjugate Chemistry Lab, Cluster Innovation Centre, University of Delhi, Delhi - 110007, India
- Department of Chemistry, University of Delhi, Delhi - 110007, India
| | - Niloy Sarkar
- Nano-Bioconjugate Chemistry Lab, Cluster Innovation Centre, University of Delhi, Delhi - 110007, India
- Department of Environmental Studies, University of Delhi, Delhi - 110007, India
| | - Amit Singh
- Nano-Bioconjugate Chemistry Lab, Cluster Innovation Centre, University of Delhi, Delhi - 110007, India
- Department of Chemistry, University of Delhi, Delhi - 110007, India
| | - Mahima Kaushik
- Nano-Bioconjugate Chemistry Lab, Cluster Innovation Centre, University of Delhi, Delhi - 110007, India
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11
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Saisuk W, Suksamai C, Srisawat C, Yoksan S, Dharakul T. The helper oligonucleotides enable detection of folded single-stranded DNA by lateral flow immunoassay after HCR signal amplification. Talanta 2022; 248:123588. [PMID: 35661000 DOI: 10.1016/j.talanta.2022.123588] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2021] [Revised: 09/03/2021] [Accepted: 05/24/2022] [Indexed: 01/21/2023]
Abstract
A combination of Hybridization Chain Reaction (HCR) and Lateral Flow Immunoassay (LFIA) is an attractive strategy for a simple signal amplification DNA/RNA detection. The present study aimed to report a strategy used to solve a problem encountered when the target DNA contained folded secondary structure during HCR, enabling HCR hairpin probes to easily access the target site. The 24-nt conserved sequence within 3'-UTR, present only in dengue virus genome but not in other species, is an ideal target to use as a probe binding site for pan-dengue virus detection. Thus, the 105-nt target containing the 24-nt target sequence was chosen as a target with secondary structures. The 24-nucleotide (nt) synthetic target DNA successfully induced HCR reaction within 5 min at room temperature. However, the HCR detection of the 105-nt synthetic target DNA with secondary structures was problematic. The probe hybridization was prevented by the secondary structures of the target, resulting in a failure to generate HCR product. To solve this problem, two helper oligonucleotides (helper1 and helper2) were designed to linearize the folded structure of the 105-nt target through strand-displacement mechanism, allowing the HCR hairpin probes to easily access the target site. The HCR product with the labeled helper oligonucleotides and the labeled probes were successfully detected by LFIA. With this strategy, the combination of the helper-enhanced HCR and LFIA exhibited a limit of detection (LOD) in a nanomolar range of the 105-nt DENV synthetic target DNA. Our study demonstrated that signal amplification by the combination of HCR and LFIA could successfully detect the target DNA with secondary structure, but not target RNA with secondary structure. In summary, this work provided a proof of concept of two main issues including probe hybridization enhancement by helper oligonucleotide for the target with complicated secondary structure and the advantage of a combination of labeled helper and HCR probes design for LFIA to overcome the false positive result from HCR probe leakage. Our findings on the use of helper oligonucleotides may be beneficial for the development of other isothermal amplification, since the secondary structure of the target is one of the major obstacles among hybridization-based methods.
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Affiliation(s)
- Wachira Saisuk
- Department of Research, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand; Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Chatsuree Suksamai
- Graduate Program in Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand; Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Chatchawan Srisawat
- Department of Biochemistry, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Sutee Yoksan
- Institute of Molecular Biosciences, Mahidol University, Nakhon Pathom, Thailand
| | - Tararaj Dharakul
- Department of Immunology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand.
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12
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Goyal G, Sharma A, Tok AIY, Palaniappan A, Liedberg B. Affimer sandwich probes for stable and robust lateral flow assaying. Anal Bioanal Chem 2022; 414:4245-4254. [DOI: 10.1007/s00216-022-04078-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 03/28/2022] [Accepted: 04/07/2022] [Indexed: 11/01/2022]
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13
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Xing G, Zhang W, Li N, Pu Q, Lin JM. Recent progress on microfluidic biosensors for rapid detection of pathogenic bacteria. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.08.073] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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14
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Aptamer-Based Lateral Flow Assays: Current Trends in Clinical Diagnostic Rapid Tests. Pharmaceuticals (Basel) 2022; 15:ph15010090. [PMID: 35056148 PMCID: PMC8781427 DOI: 10.3390/ph15010090] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2021] [Revised: 01/09/2022] [Accepted: 01/10/2022] [Indexed: 12/18/2022] Open
Abstract
The lateral flow assay (LFA) is an extensively used paper-based platform for the rapid and on-site detection of different analytes. The method is user-friendly with no need for sophisticated operation and only includes adding sample. Generally, antibodies are employed as the biorecognition elements in the LFA. However, antibodies possess several disadvantages including poor stability, high batch-to-batch variation, long development time, high price and need for ethical approval and cold chain. Because of these limitations, aptamers screened by an in vitro process can be a good alternative to antibodies as biorecognition molecules in the LFA. In recent years, aptamer-based LFAs have been investigated for the detection of different analytes in point-of-care diagnostics. In this review, we summarize the applications of aptamer technology in LFAs in clinical diagnostic rapid tests for the detection of biomarkers, microbial analytes, hormones and antibiotics. Performance, advantages and drawbacks of the developed assays are also discussed.
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15
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Ren W, Irudayaraj J. Paper-Based Test for Rapid On-Site Screening of SARS-CoV-2 in Clinical Samples. BIOSENSORS 2021; 11:bios11120488. [PMID: 34940245 PMCID: PMC8699507 DOI: 10.3390/bios11120488] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2021] [Revised: 11/21/2021] [Accepted: 11/28/2021] [Indexed: 05/17/2023]
Abstract
Detection methods for monitoring infectious pathogens has never been more important given the need to contain the spread of the COVID-19 pandemic. Herein we propose a highly sensitive magnetic-focus-enhanced lateral flow assay (mLFA) for the detection of SARS-CoV-2. The proposed mLFA is simple and requires only lateral flow strips and a reusable magnet to detect very low concentrations of the virus particles. The magnetic focus enhancement is achieved by focusing the SARS-CoV-2 conjugated magnetic probes in the sample placed in the lateral flow (LF) strips for improved capture efficiency, while horseradish peroxidase (HRP) was used to catalyze the colorimetric reaction for the amplification of the colorimetric signal. With the magnetic focus enhancement and HRP-based amplification, the mLFA could yield a highly sensitive technology for the recognition of SARS-CoV-2. The developed methods could detect as low as 400 PFU/mL of SARS-CoV-2 in PBS buffer based on the visible blue dots on the LF strips. The mLFA could recognize 1200 PFU/mL of SARS-CoV-2 in saliva samples. With clinical nasal swab samples, the proposed mLFA could achieve 66.7% sensitivity and 100% specificity.
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Affiliation(s)
- Wen Ren
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA;
- Biomedical Research Center, Mills Breast Cancer Institute, Carle Foundation Hospital, Urbana, IL 61801, USA
| | - Joseph Irudayaraj
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA;
- Biomedical Research Center, Mills Breast Cancer Institute, Carle Foundation Hospital, Urbana, IL 61801, USA
- Micro and Nanotechnology Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
- Cancer Center at Illinois (CCIL), University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA
- Correspondence:
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16
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Identification and Engineering of Aptamers for Theranostic Application in Human Health and Disorders. Int J Mol Sci 2021; 22:ijms22189661. [PMID: 34575825 PMCID: PMC8469434 DOI: 10.3390/ijms22189661] [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: 06/30/2021] [Revised: 07/25/2021] [Accepted: 07/31/2021] [Indexed: 02/07/2023] Open
Abstract
An aptamer is a short sequence of synthetic oligonucleotides which bind to their cognate target, specifically while maintaining similar or higher sensitivity compared to an antibody. The in-vitro selection of an aptamer, applying a conjoining approach of chemistry and molecular biology, is referred as Systematic Evolution of Ligands by Exponential enrichment (SELEX). These initial products of SELEX are further modified chemically in an attempt to make them stable in biofluid, avoiding nuclease digestion and renal clearance. While the modification is incorporated, enough care should be taken to maintain its sensitivity and specificity. These modifications and several improvisations have widened the window frame of aptamer applications that are currently not only restricted to in-vitro systems, but have also been used in molecular imaging for disease pathology and treatment. In the food industry, it has been used as sensor for detection of different diseases and fungal infections. In this review, we have discussed a brief history of its journey, along with applications where its role as a therapeutic plus diagnostic (theranostic) tool has been demonstrated. We have also highlighted the potential aptamer-mediated strategies for molecular targeting of COVID-19. Finally, the review focused on its future prospective in immunotherapy, as well as in identification of novel biomarkers in stem cells and also in single cell proteomics (scProteomics) to study intra or inter-tumor heterogeneity at the protein level. Small size, chemical synthesis, low batch variation, cost effectiveness, long shelf life and low immunogenicity provide advantages to the aptamer over the antibody. These physical and chemical properties of aptamers render them as a strong biomedical tool for theranostic purposes over the existing ones. The significance of aptamers in human health was the key finding of this review.
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17
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Huang L, Tian S, Zhao W, Liu K, Ma X, Guo J. Aptamer-based lateral flow assay on-site biosensors. Biosens Bioelectron 2021; 186:113279. [PMID: 33979718 DOI: 10.1016/j.bios.2021.113279] [Citation(s) in RCA: 51] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/19/2021] [Accepted: 04/20/2021] [Indexed: 12/13/2022]
Abstract
The lateral flow assay (LFA) is a widely used paper-based on-site biosensor that can detect target analytes and obtain test results in several minutes. Generally, antibodies are utilized as the biorecognition molecules in the LFA. However, antibodies selected using an in vivo process not only may risk killing the animal hosts and causing errors between different batches but also their range is restricted by the refrigerated conditions used to store them. To avoid these limitations, aptamers screened by an in vitro process have been studied as biorecognition molecules in LFAs. Based on the sandwich or competitive format, the aptamer-based LFA can accomplish on-site detection of target analytes. Since aptamers have a distinctive ability to undergo conformational changes, the adsorption-desorption format has also been exploited to detect target analytes in aptamer-based LFAs. This paper reviews developments in aptamer-based LFAs in the last three years for the detection of target analytes. Three formats of aptamer-based LFAs, i.e., sandwich, competitive, and adsorption-desorption, are described in detail. Based on these formats, signal amplification strategies and multiplexed detection are discussed in order to provide an overview of aptamer-based LFAs for on-site detection of target analytes. In addition, the potential commercialization and future perspectives of aptamer-based LFAs for rapid detection of SARS-CoV-2 are given to support the COVID-19 pandemic.
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Affiliation(s)
- Lei Huang
- School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Shulin Tian
- School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Wenhao Zhao
- School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, China
| | - Ke Liu
- School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, China.
| | - Xing Ma
- School of Materials Science and Engineering, Harbin Institute of Technology (Shenzhen), Shenzhen, 518055, China; Shenzhen Bay Laboratory, No.9 Duxue Road, Shenzhen, 518055, China.
| | - Jinhong Guo
- School of Information and Communication Engineering, University of Electronic Science and Technology of China, Chengdu, 611731, China.
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18
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Acquah C, Jeevanandam J, Tan KX, Danquah MK. Engineered Aptamers for Enhanced COVID-19 Theranostics. Cell Mol Bioeng 2021; 14:209-221. [PMID: 33488836 PMCID: PMC7810429 DOI: 10.1007/s12195-020-00664-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 12/08/2020] [Indexed: 12/11/2022] Open
Abstract
INTRODUCTION The 2019-novel coronavirus disease (COVID-19) is an intractable global health challenge resulting in an aberrant rate of morbidity and mortality worldwide. The mode of entry for SARS-CoV-2 into host cells occurs through clathrin-mediated endocytosis. As part of the efforts to mitigate COVID-19 infections, rapid and accurate detection methods, as well as smart vaccine and drug designs with SARS-CoV-2 targeting capabilities are critically needed. This systematic review aimed to present a good mapping between the structural and functional characteristics of aptamers and their potential applications in COVID-19 theranostics. METHODS In this study, extensive discussions into the potential development of aptameric systems as robust theranostics for rapid mitigation of the virulent SARS-CoV-2 was made. Information required for this study were extracted from a systematic review of literature in PubMed, SCOPUS, Web of Science (WOS), and other official related reports from reputable organisations. RESULTS The global burden of COVID-19 pandemic was discussed including the progress in rapid detection, repurposing of existing antiviral drugs, and development of prophylactic vaccines. Aptamers have highly specific and stable target binding characteristics which can be generated and engineered with less complexity for COVID-19 targeted theranostic applications. CONCLUSIONS There is an urgent need to develop safe innovative biomedical technologies to mitigate the dire impact of COVID-19 on public health worldwide. Research advances into aptameric systems bode well with the fact that they can be engineered for the development of effective and affordable diagnostics, therapeutics and prophylactic vaccines for SARS-CoV-2 and other infectious pathogens.
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Affiliation(s)
- Caleb Acquah
- Faculty of Health Sciences, University of Ottawa, Ottawa, ON K1H 8M5 Canada
| | - Jaison Jeevanandam
- CQM-Centro de Química da Madeira, Universidade da Madeira, Campus da Penteada, 9020-105 Funchal, Portugal
| | - Kei Xian Tan
- School of Materials Science & Engineering, Nanyang Technological University, Singapore, 639798 Singapore
| | - Michael K. Danquah
- Department of Chemical Engineering, University of Tennessee, Chattanooga, TN 37403 USA
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19
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Ren W, Ahmad S, Irudayaraj J. 16S rRNA Monitoring Point-of-Care Magnetic Focus Lateral Flow Sensor. ACS OMEGA 2021; 6:11095-11102. [PMID: 34056264 PMCID: PMC8153928 DOI: 10.1021/acsomega.1c01307] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2021] [Accepted: 03/31/2021] [Indexed: 05/28/2023]
Abstract
The detection and profiling of pathogenic bacteria is critical for human health, environmental, and food safety monitoring. Herein, we propose a highly sensitive colorimetric strategy for naked eye screening of 16S ribosomal RNA (16S rRNA) from pathogenic agents relevant to infections, human health, and food safety monitoring with a magnetic focus lateral flow sensor (mLFS) platform. The method developed was demonstrated in model 16S rRNA sequences of the pathogen Escherichia coli O157:H7 to detect as low as 1 fM of targets, exhibiting a sensitivity improved by ∼5 × 105 times compared to the conventional GNP-based colorimetric lateral flow assay used for oligonucleotide testing. Based on the grayscale values, semi-quantitation of up to 1 pM of target sequences was possible in ∼45 min. The methodology could detect the target 16S rRNA from as low as 32 pg/mL of total RNA extracted from pathogens. Specificity was demonstrated with total RNA extracted from E. coli K-12 MG1655, Bacillus subtilis (B. subtilis), and Pseudomonas aeruginosa (P. aeruginosa). No signal was observed from as high as 320 pg/mL of total RNA from the nontarget bacteria. The recognition of target 16S rRNA from 32 pg/mL of total RNA in complex matrices was also demonstrated. The proposed mLFS method was then extended to monitoring B. subtilis and P. aeruginosa. Our approach highlights the possibility of extending this concept to screen specific nucleic acid sequences for the monitoring of infectious pathogens or microbiome implicated in a range of diseases including cancer.
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Affiliation(s)
- Wen Ren
- Department
of Bioengineering, University of Illinois
at Urbana-Champaign, Urbana, Illinois 61801, United States
- Carle
Foundation Hospital, Biomedical Research
Center in Mills Breast Cancer Institute, Urbana, Illinois 61801, United States
| | - Saeed Ahmad
- Department
of Bioengineering, University of Illinois
at Urbana-Champaign, Urbana, Illinois 61801, United States
- Carle
Foundation Hospital, Biomedical Research
Center in Mills Breast Cancer Institute, Urbana, Illinois 61801, United States
| | - Joseph Irudayaraj
- Department
of Bioengineering, University of Illinois
at Urbana-Champaign, Urbana, Illinois 61801, United States
- Carle
Foundation Hospital, Biomedical Research
Center in Mills Breast Cancer Institute, Urbana, Illinois 61801, United States
- Micro
and Nanotechnology Laboratory, University
of Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
- Cancer
Center at Illinois (CCIL), University of
Illinois at Urbana-Champaign, Urbana, Illinois 61801, United States
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20
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Wang JJ, Zhang N, Richardson SA, Wu JV. Rapid lateral flow tests for the detection of SARS-CoV-2 neutralizing antibodies. Expert Rev Mol Diagn 2021; 21:363-370. [PMID: 33840347 PMCID: PMC8054491 DOI: 10.1080/14737159.2021.1913123] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2021] [Accepted: 03/31/2021] [Indexed: 01/01/2023]
Abstract
Background: Rapid Lateral Flow Test (LFT) has been broadly utilized in detection or diagnosis of numerous disease-related antigens and antibodies. It is the most popular format of point-of-care test (POCT) and quickest and easiest way to detect a targeted molecule. In the combat against COVID-19 pandemic, hundreds of POCTs have been developed and are commercially available now. They are designed to detect either a SARS-CoV-2 viral antigen or IgG and IgM antibodies binding to it. Among the binding antibodies, a special type of functional antibodies that block the interaction between SARS-CoV-2 virus and its human receptor, neutralizing antibodies (NAbs), are of particular interest to public as well as in vaccination management. However as of today, POCTs for the detection of SARS-CoV-2 NAbs remain under late stage of development.Scope and method:In this review, we first summarize the importance of awareness and monitoring of SARS-CoV-2 NAbs in the combat against COVID-19 pandemic. Secondly, we compare the available methods for the detection of SARS-CoV-2 NAbs. Next, we describe challenges in the development of a rapid lateral flow test for the detection of SARS-CoV-2 NAbs. Finally, we outline its product formats and applications in research and in disease management. Conclusion:Vaccine effectiveness is unknown for an individual unless measured. NAb level is the most viable measurement for vaccine effectiveness or immunity. A broadly accessible NAb POCT is urgently needed.
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Affiliation(s)
| | - Nan Zhang
- Department Innovation, Novodiax Inc, USA
| | | | - Jin V. Wu
- Department Innovation, Novodiax Inc, USA
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21
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Wang T, Chen L, Chikkanna A, Chen S, Brusius I, Sbuh N, Veedu RN. Development of nucleic acid aptamer-based lateral flow assays: A robust platform for cost-effective point-of-care diagnosis. Theranostics 2021; 11:5174-5196. [PMID: 33859741 PMCID: PMC8039946 DOI: 10.7150/thno.56471] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 01/29/2021] [Indexed: 02/07/2023] Open
Abstract
Lateral flow assay (LFA) has made a paradigm shift in the in vitro diagnosis field due to its rapid turnaround time, ease of operation and exceptional affordability. Currently used LFAs predominantly use antibodies. However, the high inter-batch variations, error margin and storage requirements of the conventional antibody-based LFAs significantly impede its applications. The recent progress in aptamer technology provides an opportunity to combine the potential of aptamer and LFA towards building a promising platform for highly efficient point-of-care device development. Over the past decades, different forms of aptamer-based LFAs have been introduced for broad applications ranging from disease diagnosis, agricultural industry to environmental sciences, especially for the detection of antibody-inaccessible small molecules such as toxins and heavy metals. But commercial aptamer-based LFAs are still not used widely compared with antibodies. In this work, by analysing the key issues of aptamer-based LFA design, including immobilization strategies, signalling methods, and target capturing approaches, we provide a comprehensive overview about aptamer-based LFA design strategies to facilitate researchers to develop optimised aptamer-based LFAs.
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Affiliation(s)
- Tao Wang
- Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth 6150, Australia
- Perron Institute for Neurological and Translational Science, Perth 6009, Australia
| | - Lanmei Chen
- Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth 6150, Australia
- Guangdong Key Laboratory for Research and Development of Nature Drugs, School of Pharmacy, Guangdong Medical University, Zhanjiang 524023, China
| | - Arpitha Chikkanna
- Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth 6150, Australia
| | - Suxiang Chen
- Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth 6150, Australia
| | - Isabell Brusius
- Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth 6150, Australia
| | - Nabayet Sbuh
- Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth 6150, Australia
| | - Rakesh N. Veedu
- Centre for Molecular Medicine and Innovative Therapeutics, Murdoch University, Perth 6150, Australia
- Perron Institute for Neurological and Translational Science, Perth 6009, Australia
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22
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Wu L, Wang Y, Xu X, Liu Y, Lin B, Zhang M, Zhang J, Wan S, Yang C, Tan W. Aptamer-Based Detection of Circulating Targets for Precision Medicine. Chem Rev 2021; 121:12035-12105. [PMID: 33667075 DOI: 10.1021/acs.chemrev.0c01140] [Citation(s) in RCA: 240] [Impact Index Per Article: 80.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The past decade has witnessed ongoing progress in precision medicine to improve human health. As an emerging diagnostic technique, liquid biopsy can provide real-time, comprehensive, dynamic physiological and pathological information in a noninvasive manner, opening a new window for precision medicine. Liquid biopsy depends on the sensitive and reliable detection of circulating targets (e.g., cells, extracellular vesicles, proteins, microRNAs) from body fluids, the performance of which is largely governed by recognition ligands. Aptamers are single-stranded functional oligonucleotides, capable of folding into unique tertiary structures to bind to their targets with superior specificity and affinity. Their mature evolution procedure, facile modification, and affinity regulation, as well as versatile structural design and engineering, make aptamers ideal recognition ligands for liquid biopsy. In this review, we present a broad overview of aptamer-based liquid biopsy techniques for precision medicine. We begin with recent advances in aptamer selection, followed by a summary of state-of-the-art strategies for multivalent aptamer assembly and aptamer interface modification. We will further describe aptamer-based micro-/nanoisolation platforms, aptamer-enabled release methods, and aptamer-assisted signal amplification and detection strategies. Finally, we present our perspectives regarding the opportunities and challenges of aptamer-based liquid biopsy for precision medicine.
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Affiliation(s)
- Lingling Wu
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Yidi Wang
- Collaborative Innovation Center of Chemistry for Energy Materials, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xing Xu
- Collaborative Innovation Center of Chemistry for Energy Materials, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yilong Liu
- Collaborative Innovation Center of Chemistry for Energy Materials, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Bingqian Lin
- Collaborative Innovation Center of Chemistry for Energy Materials, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Mingxia Zhang
- Collaborative Innovation Center of Chemistry for Energy Materials, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Jialu Zhang
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Shuang Wan
- Collaborative Innovation Center of Chemistry for Energy Materials, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Chaoyong Yang
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China.,Collaborative Innovation Center of Chemistry for Energy Materials, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, State Key Laboratory of Physical Chemistry of Solid Surfaces, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Weihong Tan
- Institute of Molecular Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China.,Molecular Science and Biomedicine Laboratory (MBL), State Key Laboratory of Chemo/Biosensing and Chemometrics, College of Chemistry and Chemical Engineering, College of Biology, Aptamer Engineering Center of Hunan Province, Hunan University, Changsha 410082, China.,The Cancer Hospital of the University of Chinese Academy of Sciences, Institute of Basic Medicine and Cancer (IBMC), Chinese Academy of Sciences, Hangzhou, Zhejiang 310022, China
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23
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Shirshahi V, Liu G. Enhancing the analytical performance of paper lateral flow assays: From chemistry to engineering. Trends Analyt Chem 2021. [DOI: 10.1016/j.trac.2021.116200] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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24
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Rong X, Ailing F, Xiaodong L, Jie H, Min L. Monitoring hepatitis B by using point-of-care testing: biomarkers, current technologies, and perspectives. Expert Rev Mol Diagn 2021; 21:195-211. [PMID: 33467927 DOI: 10.1080/14737159.2021.1876565] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Introduction: Liver diseases caused by hepatitis B virus (HBV) are pandemic infectious diseases that seriously endanger human health, conventional diagnosis methods can not meet the requirements in resource-limited areas. The point of acre detection methods can easily resolve those problems. Herein, we review the most recent advances in POC-based hepatitis B detection methods and present some recommendations for future development. It aims to provide ideas for future research.Areas covered: Epidemiological data on Hepatitis B, conventional diagnostic methods for hepatitis B detection, some latest point of care detection methods for hepatitis B detection and list out the recommendations for future development.Expert opinion: This manuscript summarized traditional biomarkers of different hepatitis B stages and recent-developed POCT platforms (including microfluidic platforms and lateral-flow strips) and discuss the challenges associated with their use. Some emerging biomarkers that can be used in hepatitis B diagnosis are also listed. This manuscript has certain guiding significance to the development of hepatitis B detection.
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Affiliation(s)
- Xu Rong
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji, China
| | - Feng Ailing
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji, China
| | - Li Xiaodong
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji, China
| | - Hu Jie
- Suzhou DiYinAn Biotech Co., Ltd. & Suzhou Innovation Center for Life Science and Technology, Suzhou, China
| | - Lin Min
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
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25
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Dong T, Yin R, Yu Q, Qiu W, Li K, Qian L, Li H, Shen B, Liu G. Sensitive detection of microRNA-21 in cancer cells and human serum with Au@Si nanocomposite and lateral flow assay. Anal Chim Acta 2021; 1147:56-63. [DOI: 10.1016/j.aca.2020.12.042] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Revised: 12/15/2020] [Accepted: 12/21/2020] [Indexed: 01/09/2023]
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26
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Paper-Based Biosensors with Lateral/Vertical Flow Assay. Bioanalysis 2021. [DOI: 10.1007/978-981-15-8723-8_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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27
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Gulati S, Singh P, Diwan A, Mongia A, Kumar S. Functionalized gold nanoparticles: promising and efficient diagnostic and therapeutic tools for HIV/AIDS. RSC Med Chem 2020; 11:1252-1266. [PMID: 34095839 PMCID: PMC8126886 DOI: 10.1039/d0md00298d] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 08/31/2020] [Indexed: 02/05/2023] Open
Abstract
Functionalized gold nanoparticles are recognized as promising vehicles in the diagnosis and treatment of human immunodeficiency virus (HIV) owing to their excellent biocompatibility with biomolecules (like DNA or RNA), their potential for multivalency and their unique optical and structural properties. In this context, this review article focuses on the diverse detection abilities and delivery and uptake methodologies of HIV by targeting genes and proteins using gold nanoparticles on the basis of different shapes and sizes in order to promote its effective expression. In addition, recent trends in gold nanoparticle mediated HIV detection, delivery and uptake and treatment are highlighted considering their cytotoxic effects on healthy human cells.
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Affiliation(s)
- Shikha Gulati
- Department of Chemistry, Sri Venkateswara College, University of Delhi Delhi-110021 India
| | - Parinita Singh
- Department of Chemistry, Sri Venkateswara College, University of Delhi Delhi-110021 India
| | - Anchita Diwan
- Department of Chemistry, Sri Venkateswara College, University of Delhi Delhi-110021 India
| | - Ayush Mongia
- Department of Chemistry, Sri Venkateswara College, University of Delhi Delhi-110021 India
| | - Sanjay Kumar
- Department of Chemistry, Sri Venkateswara College, University of Delhi Delhi-110021 India
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28
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Wang K, Wang Z, Zeng H, Luo X, Yang T. Advances in Portable Visual Detection of Pathogenic Bacteria. ACS APPLIED BIO MATERIALS 2020; 3:7291-7305. [PMID: 35019472 DOI: 10.1021/acsabm.0c00984] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Food safety and regulation of consumer welfare are of great concern, so it is necessary to be able to detect pathogenic bacteria quickly and effectively. Although traditional methods of pathogen detection are reliable and widely used, the detection and analysis processes are cumbersome and time-consuming, which is not conducive to fast assays in the field. New detection strategies have emerged in recent years, especially point-of-care testing (POCT) methods, which do not rely on the laboratory and have become an important development direction for pathogen detection. Many visual detection schemes have been developed that integrate portable glucose meters (PGMs), test strips, smartphones, and other portable devices. Importantly, portable and ultrasensitive biosensors have vast promise in detecting pathogens, as they can be suitable tools for clinical diagnosis and the regulation of food safety. This Review focuses on the latest advances in portable device-based methods for visual detection of pathogens, evaluating their advantages and disadvantages.
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Affiliation(s)
- Kuiyu Wang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai 519082, China
| | - Zhenhao Wang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai 519082, China
| | - Hui Zeng
- School of Chemical Engineering and Technology, Sun Yat-sen University, Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai 519082, China
| | - Xiliang Luo
- 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, China
| | - Tao Yang
- School of Chemical Engineering and Technology, Sun Yat-sen University, Southern Laboratory of Ocean Science and Engineering (Guangdong, Zhuhai), Zhuhai 519082, China
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29
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Huang Y, Cheng Z, Han R, Gao X, Qian L, Wen Y, Zhang X, Liu G. Target-induced molecular-switch on triple-helix DNA-functionalized carbon nanotubes for simultaneous visual detection of nucleic acids and proteins. Chem Commun (Camb) 2020; 56:13657-13660. [PMID: 33064111 DOI: 10.1039/d0cc05986b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
We report an easy and efficient approach based on a target-induced molecular-switch on triple-helix DNA (THD)-functionalized carbon nanotubes (CNTs) for the simultaneous visual detection of nucleic acids and proteins with a lateral flow nucleic acid biosensor. The assay had the capability to detect a minimum of 25 pM target DNA and 0.25 nM thrombin simultaneously within 20 min.
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Affiliation(s)
- Yan Huang
- Research Center for Biomedical and Health Science, Anhui Science and Technology University, Fengyang 233100, P. R. China.
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Awan M, Rauf S, Abbas A, Nawaz MH, Yang C, Shahid SA, Amin N, Hayat A. A sandwich electrochemical immunosensor based on antibody functionalized-silver nanoparticles (Ab-Ag NPs) for the detection of dengue biomarker protein NS1. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.114014] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Chemical Modification of Aptamers for Increased Binding Affinity in Diagnostic Applications: Current Status and Future Prospects. Int J Mol Sci 2020; 21:ijms21124522. [PMID: 32630547 PMCID: PMC7350236 DOI: 10.3390/ijms21124522] [Citation(s) in RCA: 77] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 06/19/2020] [Accepted: 06/22/2020] [Indexed: 12/13/2022] Open
Abstract
Aptamers are short single stranded DNA or RNA oligonucleotides that can recognize analytes with extraordinary target selectivity and affinity. Despite their promising properties and diagnostic potential, the number of commercial applications remains scarce. In order to endow them with novel recognition motifs and enhanced properties, chemical modification of aptamers has been pursued. This review focuses on chemical modifications, aimed at increasing the binding affinity for the aptamer's target either in a non-covalent or covalent fashion, hereby improving their application potential in a diagnostic context. An overview of current methodologies will be given, thereby distinguishing between pre- and post-SELEX (Systematic Evolution of Ligands by Exponential Enrichment) modifications.
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Dalirirad S, Steckl AJ. Lateral flow assay using aptamer-based sensing for on-site detection of dopamine in urine. Anal Biochem 2020; 596:113637. [PMID: 32087129 DOI: 10.1016/j.ab.2020.113637] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 02/14/2020] [Accepted: 02/16/2020] [Indexed: 11/16/2022]
Abstract
A lateral flow assay using DNA aptamer-based sensing for the detection of dopamine in urine is reported. Dopamine duplex aptamers (hybridized sensor with capture probe) are conjugated to 40-nm Au nanoparticles (AuNPs) with 20T linkers. The detection method is based on the dissociation of the duplex aptamer in the presence of dopamine, with the sensor part undergoing conformational changes and being released from the capture part. Hybridization between the complementary DNA in the test line and the conjugated AuNP-capture DNA produces a red band, whose intensity is related to the dopamine concentration. The minimum detectable concentration obtained by ImageJ analysis was <10 ng/mL (65.2 nM), while the visual limit of detection is estimated to be ~50 ng/mL (normal range of dopamine in urine of 52-480 ng/mL or 0.3-3.13 μM). No cross reactivity to other stress biomarkers in urine was confirmed. These results indicate that this robust and user-friendly point-of-care biosensor has significant potential for providing a cost-effective alternative for dopamine detection in urine.
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Affiliation(s)
- Shima Dalirirad
- Nanoelectronics Laboratory, University of Cincinnati, Cincinnati, OH, 45255-0030, USA; Department of Physics, University of Cincinnati, Cincinnati, OH, 45255-0030, USA
| | - Andrew J Steckl
- Nanoelectronics Laboratory, University of Cincinnati, Cincinnati, OH, 45255-0030, USA; Department of Electrical Engineering and Computer Science, University of Cincinnati, Cincinnati, OH, 45255-0030, USA.
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Ali M, Sajid M, Khalid MAU, Kim SW, Lim JH, Huh D, Choi KH. A fluorescent lateral flow biosensor for the quantitative detection of Vaspin using upconverting nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2020; 226:117610. [PMID: 31606675 DOI: 10.1016/j.saa.2019.117610] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 08/19/2019] [Accepted: 10/06/2019] [Indexed: 06/10/2023]
Abstract
Vaspin is a protein present in human serum that can cause type-2 diabetes, obesity, and other cardiovascular diseases. We report fluorescent upconverting nanoparticles (UCNPs)-based lateral flow biosensor for ultrasensitive detection of Vaspin. A pair (primary and secondary) of cognate aptamers was used that has duo binding with Vaspin. UCNPs with a diameter of around 100 nm were used as a tag to label a detection probe (secondary aptamer). A primary aptamer (capture probe) was immobilized on the test zone. Sandwich type hybridization reactions among the conjugate probe, target Vaspin, and primary aptamer were performed on the lateral flow biosensor. In the presence of target Vaspin, UCNPs were captured on the test zone of the biosensor and the fluorescent intensity of the captured UCNPs was measured through a colorimetric app under NIR. Fluorescence intensity indicates the quantity of Vaspin present in the sample. A range of Vaspin concentration across 0.1-55 ng ml-1 with a Limit of detection (LOD) 39 pg ml-1 was tested through this UCNPs based LFSA with high sensitivity, reproducibility and repeatability, whereas it's actual range in human blood is from 0.1 to 7 ng ml-1. Therefore, this research provides a well-suited lateral flow strip with an ultrasensitive and low-cost approach for the early diagnosis of type-2 diabetes and this could be applied to any targets with a duo of aptamers generated.
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Affiliation(s)
- Muhsin Ali
- Department of Mechatronics Engineering, Jeju National University, Jeju, South Korea
| | - Memoon Sajid
- Department of Mechatronics Engineering, Jeju National University, Jeju, South Korea; GIK Institute of Engineering Sciences and Technology Topi, Swabi, KP, Pakistan.
| | | | - Soo Wan Kim
- Department of Mechatronics Engineering, Jeju National University, Jeju, South Korea.
| | - Jong Hwan Lim
- Department of Mechatronics Engineering, Jeju National University, Jeju, South Korea.
| | - Dongeun Huh
- Department of Bioengineering, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Kyung Hyun Choi
- Department of Mechatronics Engineering, Jeju National University, Jeju, South Korea.
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Liu R, McConnell EM, Li J, Li Y. Advances in functional nucleic acid based paper sensors. J Mater Chem B 2020; 8:3213-3230. [DOI: 10.1039/c9tb02584g] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
This article provides an extensive review of paper-based sensors that utilize functional nucleic acids, particularly DNA aptamers and DNAzymes, as recognition elements.
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Affiliation(s)
- Rudi Liu
- Department of Biochemistry and Biomedical Sciences
- McMaster University
- Hamilton
- Canada
| | - Erin M. McConnell
- Department of Biochemistry and Biomedical Sciences
- McMaster University
- Hamilton
- Canada
| | - Jiuxing Li
- Department of Biochemistry and Biomedical Sciences
- McMaster University
- Hamilton
- Canada
| | - Yingfu Li
- Department of Biochemistry and Biomedical Sciences
- McMaster University
- Hamilton
- Canada
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Qiang L, Zhang Y, Guo X, Gao Y, Han Y, Sun J, Han L. A rapid and ultrasensitive colorimetric biosensor based on aptamer functionalized Au nanoparticles for detection of saxitoxin. RSC Adv 2020; 10:15293-15298. [PMID: 35495459 PMCID: PMC9052278 DOI: 10.1039/d0ra01231a] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2020] [Accepted: 04/09/2020] [Indexed: 12/31/2022] Open
Abstract
We demonstrate a facile and ultrasensitive colorimetric sensor based on gold nanoparticles (Au NPs) and aptamer (Au NPs-aptamer biosensor) for specific and quantitative detection of STX.
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Affiliation(s)
- Le Qiang
- Institute of Marine Science and Technology
- Shandong University
- Qingdao 266237
- China
| | - Yu Zhang
- Institute of Marine Science and Technology
- Shandong University
- Qingdao 266237
- China
| | - Xin Guo
- Institute of Marine Science and Technology
- Shandong University
- Qingdao 266237
- China
| | - Yakun Gao
- Institute of Marine Science and Technology
- Shandong University
- Qingdao 266237
- China
| | - Yingkuan Han
- Institute of Marine Science and Technology
- Shandong University
- Qingdao 266237
- China
- School of Microelectronics
| | - Jun Sun
- Institute of Marine Science and Technology
- Shandong University
- Qingdao 266237
- China
- Research Centre for Indian Ocean Ecosystem
| | - Lin Han
- Institute of Marine Science and Technology
- Shandong University
- Qingdao 266237
- China
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Mabbott S, Fernandes SC, Schechinger M, Cote GL, Faulds K, Mace CR, Graham D. Detection of cardiovascular disease associated miR-29a using paper-based microfluidics and surface enhanced Raman scattering. Analyst 2020; 145:983-991. [DOI: 10.1039/c9an01748h] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
A paper-based microfluidics self-testing device capable of colorimetric and SERS-based sensing of cardiovascular disease associated miR-29a has been developed for improving patient care and triage.
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Affiliation(s)
- Samuel Mabbott
- Department of Pure and Applied Chemistry
- Technology and Innovation Centre
- University of Strathclyde
- Glasgow
- UK
| | | | - Monika Schechinger
- Department of Biomedical Engineering
- Texas A&M University
- USA
- Health Technology and Innovation Building
- Texas A&M University
| | - Gerard L. Cote
- Department of Biomedical Engineering
- Texas A&M University
- USA
- Health Technology and Innovation Building
- Texas A&M University
| | - Karen Faulds
- Department of Pure and Applied Chemistry
- Technology and Innovation Centre
- University of Strathclyde
- Glasgow
- UK
| | | | - Duncan Graham
- Department of Pure and Applied Chemistry
- Technology and Innovation Centre
- University of Strathclyde
- Glasgow
- UK
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37
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Huang Y, Xu T, Wang W, Wen Y, Li K, Qian L, Zhang X, Liu G. Lateral flow biosensors based on the use of micro- and nanomaterials: a review on recent developments. Mikrochim Acta 2019; 187:70. [PMID: 31853644 DOI: 10.1007/s00604-019-3822-x] [Citation(s) in RCA: 64] [Impact Index Per Article: 12.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 09/12/2019] [Indexed: 12/25/2022]
Abstract
This review (with 187 refs.) summarizes the progress that has been made in the design of lateral flow biosensors (LFBs) based on the use of micro- and nano-materials. Following a short introduction into the field, a first section covers features related to the design of LFBs, with subsections on strip-based, cotton thread-based and vertical flow- and syringe-based LFBs. The next chapter summarizes methods for sample pretreatment, from simple method to membrane-based methods, pretreatment by magnetic methods to device-integrated sample preparation. Advances in flow control are treated next, with subsections on cross-flow strategies, delayed and controlled release and various other strategies. Detection conditionst and mathematical modelling are briefly introduced in the following chapter. A further chapter covers methods for reliability improvement, for example by adding other validation lines or adopting different detection methods. Signal readouts are summarized next, with subsections on color-based, luminescent, smartphone-based and SERS-based methods. A concluding section summarizes the current status and addresses challenges in future perspectives. Graphical abstractRecent development and breakthrough points of lateral flow biosensors.
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Affiliation(s)
- Yan Huang
- Research Center for Bioengineering and Sensing Technology, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China.,Institute of Biomedical and Health, School of Life and Health Science, Anhui Science and Technology University, Fengyang, Anhui, 233100, People's Republic of China.,Department of Chemistry and biochemistry, North Dakota State University, Fargo, ND, 58105, USA
| | - Tailin Xu
- Research Center for Bioengineering and Sensing Technology, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
| | - Wenqian Wang
- Research Center for Bioengineering and Sensing Technology, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
| | - Yongqiang Wen
- Research Center for Bioengineering and Sensing Technology, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China
| | - Kun Li
- Institute of Biomedical and Health, School of Life and Health Science, Anhui Science and Technology University, Fengyang, Anhui, 233100, People's Republic of China
| | - Lisheng Qian
- Institute of Biomedical and Health, School of Life and Health Science, Anhui Science and Technology University, Fengyang, Anhui, 233100, People's Republic of China.
| | - Xueji Zhang
- Research Center for Bioengineering and Sensing Technology, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China. .,Institute of Biomedical and Health, School of Life and Health Science, Anhui Science and Technology University, Fengyang, Anhui, 233100, People's Republic of China. .,School of Biomedical Engineering, Shenzhen University Healthy Science Center, Shenzhen, Guangdong, 518060, People's Republic of China.
| | - Guodong Liu
- Institute of Biomedical and Health, School of Life and Health Science, Anhui Science and Technology University, Fengyang, Anhui, 233100, People's Republic of China. .,Department of Chemistry and biochemistry, North Dakota State University, Fargo, ND, 58105, USA.
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Magnetized Carbon Nanotube Based Lateral Flow Immunoassay for Visual Detection of Complement Factor B. Molecules 2019; 24:molecules24152759. [PMID: 31366012 PMCID: PMC6695926 DOI: 10.3390/molecules24152759] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Revised: 07/23/2019] [Accepted: 07/26/2019] [Indexed: 01/02/2023] Open
Abstract
The authors describe a magnetized carbon nanotube (MCNT) based lateral flow immunoassay (LFI) for visual detection of complement factor B (CFB) in blood. MCNT was prepared by decorating magnetic Fe3O4 nanoparticles on multi-walled CNT surface and used as a colored tag for LFI. Monoclonal antibody (mAb, Ab1) of CFB was covalently immobilized on the MCNT surface via diimide-activated conjugation between the carboxyl groups on the MCNT surface and amino groups of antibodies. Polyclonal antibody of CFB (Ab2) and the secondary antibody were used to prepare the lateral flow test strips. The assay involved: (1) the capture of CFB in blood with the mAb-functionalized MCNT; (2) magnetic separation of the formed CFB-mAb-MCNT and excess of mAb-MCNT from the blood with an external magnet; (3) lateral flow test to capture the CFB-mAb-MCNT complex on the test zone and the excess of mAb-MCNT on the control zone; (4) Recording the intensities of the produced the characteristic brown bands with a portable strip reader and quantitating the concentration of CFB. The proof-of-concept was demonstrated by testing CFB in the buffer, and the detection limit was 5 ng mL-1 under the optimized analytical parameters. CFB in 1 μL of human blood was detected successfully in 30 min with this LFI and the results had a high correlation with commercial ELISA kit. Thence, the MCNT-based LFI offers a rapid and low-cost tool for detecting CFB in human blood directly.
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Hu J, Xiao K, Jin B, Zheng X, Ji F, Bai D. Paper-based point-of-care test with xeno nucleic acid probes. Biotechnol Bioeng 2019; 116:2764-2777. [PMID: 31282991 DOI: 10.1002/bit.27106] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 06/20/2019] [Accepted: 06/24/2019] [Indexed: 01/09/2023]
Abstract
Bridging the unmet need of efficient point-of-care testing (POCT) in biomedical engineering research and practice with the emerging development in artificial synthetic xeno nucleic acids (XNAs), this review summarized the recent development in paper-based POCT using XNAs as sensing probes. Alongside the signal transducing mode and immobilization methods of XNA probes, a detailed evaluation of probe performance was disclosed. With these new aspects, both researchers in synthetic chemistry / biomedical engineering and physicians in clinical practice could gain new insights in designing, manufacturing and choosing suitable reagents and techniques for POCT.
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Affiliation(s)
- Jie Hu
- Singapore Institute of Manufacturing Technology, Agency for Science, Technology and Research (A*STAR), Singapore, Singapore
| | - Kang Xiao
- Chinese Center for Disease Control and Prevention, National Institute for Viral Disease Control and Prevention, Beijing, P. R. China.,Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, Zhejiang University, Hangzhou, P. R. China
| | - Birui Jin
- School of Materials and Chemical Engineering, Xi'an Technological University, Xi'an, P. R. China
| | - Xuyang Zheng
- Department of Infectious Diseases, Tangdu Hospital, The Fourth Military Medical University, Xi'an, Shaanxi, P. R. China
| | - Fanpu Ji
- Department of Infectious Diseases, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, P. R. China
| | - Dan Bai
- Xi'an Institute of Flexible Electronics (IFE) & Xi'an Key Laboratory of Flexible Electronics (KLoFE), MIIT Key Laboratory of Flexible Electronics (KLoFE), Shaanxi Key Laboratory of Flexible Electronics (KLoFE), Northwestern Polytechnical University (NPU), Xi'an, Shaanxi, P. R. China.,Xi'an Institute of Biomedical Materials and Engineering (IBME) & Xi'an Key Laboratory of Biomedical Materials and Engineering (KLBME), Northwestern Polytechnical University (NPU), Xi'an, Shaanxi, P. R. China
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Wang X, Gao F, Gong Y, Liu G, Zhang Y, Ding C. Electrochemical aptasensor based on conductive supramolecular polymer hydrogels for thrombin detection with high selectivity. Talanta 2019; 205:120140. [PMID: 31450469 DOI: 10.1016/j.talanta.2019.120140] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 07/01/2019] [Accepted: 07/08/2019] [Indexed: 12/21/2022]
Abstract
Herein, we synthesized a kind of conductive supramolecular polymer hydrogel (CSPH) based on polyaniline (PANI) which can not only improve the conductivity but also promote antifouling performance of the aptasensor for the specific recruitment of thrombin (TB) from complex samples. With the electrochemical copolymerization of aniline (AN) and 3-aminophenylboronic acid (ABA) on glassy carbon electrode (GCE), the electrode was then inserted into the polyvinyl alcohol (PVA) solution to obtain robust CSPH through boric acid groups incorporated onto PANI to cause gelation of PVA solution, owing to the hydrophilicity of CSPH and nearly electrical neutrality, the modified electrode is antifouling without integration of other antifouling materials. A sandwich-type electrochemical aptasensor was constructed on the CSPH based electrode interfaces. Thrombin aptamer 1 (TBA1) were modified on the CSPH through amide bond, and thrombin aptamer 2 modified magnetic nanoparticles (MNP-TBA2) are used as signal amplification probes, the aptasensor has good sensitivity with a linear range from 1 pmol/L to 10 nmol/L and has a detection limit down to 0.64 pmol/L. The strategy of utilizing eletropolymerization of CSPH films to undergo highly selective thrombin recognition is, of course, readily extended to a broad range of targets in the real samples, and the recovery was ranging from 95.2% to 106.3% and RSDs varying from 2.3% to 4.5%.
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Affiliation(s)
- Xinyan Wang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Fengxian Gao
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Yiyu Gong
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Guotao Liu
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Yu Zhang
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China
| | - Caifeng Ding
- Key Laboratory of Optic-electric Sensing and Analytical Chemistry for Life Science, Ministry of Education, Shandong Key Laboratory of Biochemical Analysis, Key Laboratory of Analytical Chemistry for Life Science in Universities of Shandong, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, 266042, PR China.
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Carbon nanotube-based lateral flow immunoassay for ultrasensitive detection of proteins: application to the determination of IgG. Mikrochim Acta 2019; 186:436. [DOI: 10.1007/s00604-019-3508-4] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2019] [Accepted: 05/13/2019] [Indexed: 12/20/2022]
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42
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Zhang J, Yu Q, Qiu W, Li K, Qian L, Zhang X, Liu G. Gold-platinum nanoflowers as a label and as an enzyme mimic for use in highly sensitive lateral flow immunoassays: application to detection of rabbit IgG. Mikrochim Acta 2019; 186:357. [PMID: 31098826 DOI: 10.1007/s00604-019-3464-z] [Citation(s) in RCA: 26] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2019] [Accepted: 04/29/2019] [Indexed: 11/27/2022]
Abstract
The authors describe the preparation of gold-platinum nanoflower (AuPt NFs) and show that they can be simultaneously used as a label and as an enzyme mimic in lateral flow immunoassays (LFIs). The AuPt NFs were prepared by growing Pt nanowires on the surface of gold nanoparticle. The assay involves the capture of target proteins (here: rabbit IgG as a model analyte) by the immobilized capture antibody, and by using AuPt NF-labeled secondary antibody. The AuPt NFs are thus captured by the test zone and produce a characteristic black band for visual detection of the antigen (IgG). The coloration of the test line can be further enhanced by addition of the chromogenic substrate 3-amino-9-ethyl-carbazole which is catalytically oxidized by the captured Pt nanowires on the AuPt NF and produce a red coloration. Quantitative results were obtained by reading the test line intensities with a portable strip reader. The LFI has a 5 pg mL-1 detection limit for IgG under optimized experimental conditions. This is 100 times lower than that of the conventional AuNP-based LFI. Conceivably, this assay has a wide scope in that it may be applied to numerous other targets for which appropriate antibodies are available. Graphical abstract Gold-platinum nanoflowers are used as a label and as an enzyme mimic in a highly sensitive lateral flow immunoassay for IgG. The detection limit of gold-platinum nanoflower-based lateral flow assay is 100 times lower than that of the conventional gold nanopaticle-based lateral flow assay.
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Affiliation(s)
- Jing Zhang
- Institute of Biomedical and Health Science, School of Life and Health Science, Anhui Science and Technology University, Fengyang, 233100, Anhui, China
| | - Qingcai Yu
- Institute of Biomedical and Health Science, School of Life and Health Science, Anhui Science and Technology University, Fengyang, 233100, Anhui, China
| | - Wanwei Qiu
- Institute of Biomedical and Health Science, School of Life and Health Science, Anhui Science and Technology University, Fengyang, 233100, Anhui, China
| | - Kun Li
- Institute of Biomedical and Health Science, School of Life and Health Science, Anhui Science and Technology University, Fengyang, 233100, Anhui, China
| | - Lisheng Qian
- Institute of Biomedical and Health Science, School of Life and Health Science, Anhui Science and Technology University, Fengyang, 233100, Anhui, China.
| | - Xueji Zhang
- Institute of Biomedical and Health Science, School of Life and Health Science, Anhui Science and Technology University, Fengyang, 233100, Anhui, China.
- Research Center for Bioengineering and Sensing Technology, University of Science & Technology Beijing, Beijing, 100083, People's Republic of China.
| | - Guodong Liu
- Institute of Biomedical and Health Science, School of Life and Health Science, Anhui Science and Technology University, Fengyang, 233100, Anhui, China.
- Department of Chemistry and Biochemistry, North Dakota State University, Fargo, ND, 58105, USA.
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Aktas GB, Skouridou V, Masip L. Sandwich-type aptasensor employing modified aptamers and enzyme-DNA binding protein conjugates. Anal Bioanal Chem 2019; 411:3581-3589. [PMID: 31089784 DOI: 10.1007/s00216-019-01839-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2019] [Revised: 03/18/2019] [Accepted: 04/09/2019] [Indexed: 11/27/2022]
Abstract
The use of aptamers in various analytical applications as molecular recognition elements and alternative to antibodies has led to the development of various platforms that facilitate the sensitive and specific detection of targets ranging from small molecules and proteins to whole cells. The goal of this work was to design a universal and adaptable sandwich-type aptasensor exploiting the unique properties of DNA binding proteins. Specifically, two different enzyme-DNA binding protein conjugates, GOx-dHP and HRP-scCro, were used for the direct detection of a protein using two aptamers for target capture and detection. The specific dsDNA binding sequence for each DNA binding protein tag was incorporated in the form of a hairpin at one end of each aptamer sequence during the synthesis step. Detection was accomplished by an enzymatic (GOx/HRP) cascade reaction after the binding of each enzyme conjugate to its corresponding binding sequence on each aptamer. The proposed sandwich-type aptasensor was validated for the detection of thrombin, which is one of the most commonly used model targets with known dual aptamers. The limit of detection accomplished was 0.92 nM which is comparable with other colorimetric platforms reported in the literature. The sensitivity of the aptasensor was easily modulated by changing the number of dsDNA binding sites incorporated in the aptamer sequences, thus controlling the enzyme stoichiometry. Finally, the potential use of the proposed sensing approach for real sample testing was demonstrated using spiked human plasma and no significant matrix effects were observed when up to 2% plasma was used.
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Affiliation(s)
- Gülsen Betül Aktas
- Departament d'Enginyeria Química, Universitat Rovira i Virgili, 26 Països Catalans, 43007, Tarragona, Spain
| | - Vasso Skouridou
- Departament d'Enginyeria Química, Universitat Rovira i Virgili, 26 Països Catalans, 43007, Tarragona, Spain
| | - Lluis Masip
- Departament d'Enginyeria Química, Universitat Rovira i Virgili, 26 Països Catalans, 43007, Tarragona, Spain.
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Qin P, Qiao D, Xu J, Song Q, Yao L, Lu J, Chen W. Rapid visual sensing and quantitative identification of duck meat in adulterated beef with a lateral flow strip platform. Food Chem 2019; 294:224-230. [PMID: 31126457 DOI: 10.1016/j.foodchem.2019.05.030] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Revised: 04/09/2019] [Accepted: 05/06/2019] [Indexed: 12/28/2022]
Abstract
A novel high-sensitivity authentication method has been demonstrated for the rapid visual detection of adulterated meat based on both the lateral flow strip (LFS) platform and on polymerase chain reaction (PCR). After the rapid extraction of genomic components from meat, the on-site amplification of the target DNA of adulterated duck meat is carried out with the rationally designed functional FITC- and biotin-modified primer set, thereby producing numerous double-stranded DNA (dsDNA) products dually labelled with FITC and biotin. The FITC-labelled terminal end of the products binds to the pre-immobilized FITC antibody on the test line of the strip, and the biotin-labelled terminal end binds to the streptavidin-conjugated gold nanoparticles, resulting in a visible test line on the LFS for the rapid identification of duck meat in adulterated beef. After optimization, an adulteration ratio as low as 0.05% can be easily measured, which is more sensitive than other common adulteration authentication methods and is even comparable to instrumental methods. Moreover, 22 commercial processed meat samples were tested with this new strategy, and 4 adulterated samples were successfully identified by both the classic method and our method. In essence, the present authentication method is simple in design, convenient in operation, and can be easily extended to the identification of other adulteration components just by replacing the modified primers.
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Affiliation(s)
- Panzhu Qin
- Engineering Research Centre of Bio-Process, MOE, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, PR China
| | - Dongqing Qiao
- Engineering Research Centre of Bio-Process, MOE, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, PR China
| | - Jianguo Xu
- Engineering Research Centre of Bio-Process, MOE, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, PR China
| | - Qing Song
- Engineering Research Centre of Bio-Process, MOE, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, PR China
| | - Li Yao
- Engineering Research Centre of Bio-Process, MOE, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, PR China
| | - Jianfeng Lu
- Engineering Research Centre of Bio-Process, MOE, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, PR China
| | - Wei Chen
- Engineering Research Centre of Bio-Process, MOE, School of Food and Biological Engineering, Hefei University of Technology, Hefei 230009, PR China.
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Zhang GG, Xu SL, Xiong YH, Duan H, Chen WY, Li XM, Yuan MF, Lai WH. Ultrabright fluorescent microsphere and its novel application for improving the sensitivity of immunochromatographic assay. Biosens Bioelectron 2019; 135:173-180. [PMID: 31022594 DOI: 10.1016/j.bios.2019.04.023] [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: 02/08/2019] [Revised: 04/08/2019] [Accepted: 04/11/2019] [Indexed: 02/08/2023]
Abstract
Fluorescent microsphere (FM) is widely used as probe in immunochromatographic assay (ICA). However, the performance of conventional FM is limited because of the aggregation-caused quenching effect. Herein, we compared a kind of conventional FM (DMFFM, loading DMF) with novel aggregation-induced emission FM (AIEFM, loading TCBPE). The fluorescence intensity of DMFFM initially increased and then decreased as the concentrations of the loading DMF increased. The fluorescence intensity of AIEFM increased as the concentrations of the loading TCBPE increased and retained a high value. AIEFM was compared with two commercial FMs purchased from Ocean (OFM) and Merk (MFM). The maximum fluorescence intensity and relative quantum yield of AIEFM was approximately 5 and 4.5 times higher than those of two commercial FMs. We used the novel AIEFM as a probe to improve the sensitivity of ICA. When Escherichia coli O157:H7 was detected as the target, the limit of detection of ICA based on AIEFM, OFM and MFM were 3.98 × 103 CFU/mL, 4.48 × 104 and 2.78 × 104 CFU/mL, respectively. The ICA of AIEFM had 11 and 7 times improvement in sensitivity compared with that of OFM and MFM. Our results could be used as a basis for novel probes in practical ICA applications.
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Affiliation(s)
- Gang-Gang Zhang
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Shao-Lan Xu
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Yong-Hua Xiong
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Hong Duan
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Wen-Yao Chen
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Xiang-Min Li
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Mei-Fang Yuan
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China
| | - Wei-Hua Lai
- State Key Laboratory of Food Science and Technology, Nanchang University, Nanchang, 330047, China.
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46
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Gao Y, Zhu Z, Xi X, Cao T, Wen W, Zhang X, Wang S. An aptamer-based hook-effect-recognizable three-line lateral flow biosensor for rapid detection of thrombin. Biosens Bioelectron 2019; 133:177-182. [PMID: 30928736 DOI: 10.1016/j.bios.2019.03.036] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Revised: 03/10/2019] [Accepted: 03/18/2019] [Indexed: 12/11/2022]
Abstract
In this paper, a three-line LFB was successfully developed by adding a thrombin line to a conventional two-line LFB for the detection of thrombin in a wide range of human serum. We introduced a thrombin line between the test line and the control line. The concentration of thrombin in the sample was quantitatively related to the signal formation on the three lines of the LFB. We can make use of signal on three lines to quantitative determinate the thrombin by data processing. The detection range of thrombin concentrations measured in 10 min was 1 nM to 100 μM and the LOD was 0.85 nM. Our approach paves way for rapid and sensitive thrombin detection and a superior device for testing in a wide range of physiological concentrations, which also can be used in other hook-effect-limited aptamers or antibodies based sandwich LFBs, and has a high accuracy even within the range of the hook-effect.
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Affiliation(s)
- Ya Gao
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Hubei University, Wuhan 430062, China; Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, China
| | - Ziyu Zhu
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Hubei University, Wuhan 430062, China; Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, China
| | - Xiaoxue Xi
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Hubei University, Wuhan 430062, China; Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, China
| | - Tingwei Cao
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Hubei University, Wuhan 430062, China; Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, China
| | - Wei Wen
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Hubei University, Wuhan 430062, China; Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, China
| | - Xiuhua Zhang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Hubei University, Wuhan 430062, China; Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, China
| | - Shengfu Wang
- Hubei Collaborative Innovation Center for Advanced Organic Chemical Materials, Hubei University, Wuhan 430062, China; Ministry-of-Education Key Laboratory for the Synthesis and Application of Organic Functional Molecules, College of Chemistry and Chemical Engineering, Hubei University, Wuhan 430062, China.
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Affiliation(s)
- Bingbing Gao
- School of Pharmaceutical Sciences and School of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, China
| | - Hong Liu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
| | - Zhongze Gu
- State Key Laboratory of Bioelectronics, School of Biological Science and Medical Engineering, Southeast University, Nanjing 210096, China
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Lateral Flow Aptasensor for Simultaneous Detection of Platelet-Derived Growth Factor-BB (PDGF-BB) and Thrombin. Molecules 2019; 24:molecules24040756. [PMID: 30791526 PMCID: PMC6412872 DOI: 10.3390/molecules24040756] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2019] [Revised: 02/01/2019] [Accepted: 02/02/2019] [Indexed: 12/21/2022] Open
Abstract
Here we report a lateral flow aptasensor (LFA) for the simultaneous detection of platelet-derived growth factor-BB (PDGF-BB) and thrombin. Two pairs of aptamers, which are specific against PDGF-BB and thrombin, respectively, were used to prepare the LFA. Thiolated aptamers were immobilized on a gold nanoparticle (AuNP) surface and biotinylated aptamers were immobilized on the test zones of an LFA nitrocellulose membrane. The assay involved the capture of PDGF-BB and thrombin simultaneously in sandwich-type formats between the capture aptamers on the test zones of LFA and AuNP-labeled detection aptamers. AuNPs were thus captured on the test zones of the LFA and gave red bands to enable the visual detection of target proteins. Quantitative results were obtained by reading the test band intensities with a portable strip reader. By combining the highly specific molecular recognition properties of aptamers with the unique properties of lateral flow assay (low-cost, short assay time and a user-friendly format), the optimized aptasensor was capable of simultaneously detecting 1.0 nM of PDGF-BB and 1.5 nM of thrombin in association with a 10-min assay time. The biosensor was also successfully applied to detect PDGF-BB and thrombin in spiked human serum samples. The LFA shows great promise for the development of aptamer-based lateral flow strip biosensors for point-of-care or for the in-field detection of disease-related protein biomarkers.
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Citartan M, Tang TH. Recent developments of aptasensors expedient for point-of-care (POC) diagnostics. Talanta 2019; 199:556-566. [PMID: 30952298 DOI: 10.1016/j.talanta.2019.02.066] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Revised: 02/15/2019] [Accepted: 02/16/2019] [Indexed: 12/12/2022]
Abstract
Aptamers are nucleic acid-based molecular recognition elements that are specific and have high binding affinity against their respective targets. On account of their target recognition capacity, aptamers are widely utilized in a number of applications including diagnostics. This review aims to highlight the recent developments of aptasensors expedient for point-of-care (POC) diagnostics. Significant focus is given on the primary assay formats of aptamers such as fluorescence, electrochemical, surface plasmon resonance (SPR) and colorimetric assays. A potpourri of platforms such as paper-based device, lateral flow assay, portable electrodes, portable SPR and smart phones expedient for point-of-care (POC) diagnostics are discussed. Emphasis is also given on the technicalities and assay configurations associated with the sensors.
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Affiliation(s)
- Marimuthu Citartan
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Kepala Batas, Penang 13200, Malaysia.
| | - Thean-Hock Tang
- Advanced Medical and Dental Institute, Universiti Sains Malaysia, Kepala Batas, Penang 13200, Malaysia
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Ren W, Mohammed SI, Wereley S, Irudayaraj J. Magnetic Focus Lateral Flow Sensor for Detection of Cervical Cancer Biomarkers. Anal Chem 2019; 91:2876-2884. [PMID: 30632735 DOI: 10.1021/acs.analchem.8b04848] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
We report on a magnetic focus lateral flow biosensor (mLFS) for ultrasensitive detection of protein biomarkers in a practical format. With valosin-containing protein as a target protein, we show that the developed mLFS concept could detect as low as 25 fg/mL with magnetic focus to enhance target capture efficiency to deliver a 106-fold improvement in sensitivity compared to that of conventional lateral flow (LF) systems. The conceptualized strategy utilizes a simple magnet placed beneath the three-dimensional printed LF device to concentrate the targets at the signal zone without any additional instrumentation. In addition, protein mixtures extracted from the tissue of cervical cancer patients was also utilized to validate the sensor. To investigate the effect of magnetic focus on sensitivity, surface-enhanced Raman spectroscopy and dark-field imaging was utilized to characterize the distribution and movement of Fe3O4 core-Au shell nanoprobes in a model LF strip. Our experiments show that the magnetic focus results in an increased interaction time between the magnetic probe-labeled targets and the capture antibody, yielding a higher capture efficiency, allowing for ultrasensitive detection of the target not possible before with LF. The proposed mLFS can be utilized to detect a range of trace protein biomarkers for early diagnosis and can be combined with diverse pretreatment and signal amplification steps to query complex samples.
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Affiliation(s)
- Wen Ren
- Bioengineering, Cancer Center at Illinois , University of Illinois at Urbana-Champaign , Urbana , Illinois 61801 , United States
| | | | | | - Joseph Irudayaraj
- Bioengineering, Cancer Center at Illinois , University of Illinois at Urbana-Champaign , Urbana , Illinois 61801 , United States
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