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Torres-Salvador F, Ojeda J, Castro C, Gerasimova Y, Chumbimuni-Torres K. A Single Electrochemical Biosensor Designed to Detect Any Virus. Anal Chem 2024; 96:5752-5756. [PMID: 38560822 DOI: 10.1021/acs.analchem.3c05962] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Viruses are the primary cause of many infectious diseases in both humans and animals. Various testing methods require an amplification step of the viral RNA sample before detection, with quantitative reverse transcription polymerase chain reaction (RT-qPCR) being one of the most widely used along with lesser-known methods like Nucleic Acid Sequence-Based Amplification (NASBA). NASBA offers several advantages, such as isothermal amplification and high selectivity for specific sequences, making it an attractive option for low-income facilities. In this research, we employed a single electrochemical biosensor (E-Biosensor) designed for potentially detecting any virus by modifying the NASBA protocol. In this modified protocol, a reverse primer is designed with an additional 22-nucleotide sequence (tag region) at the 5'-end, which is added to the NASBA process. This tag region becomes part of the final amplicon generated by NASBA. It can hybridize with a single specific E-Biosensor probe set, enabling subsequent virus detection. Using this approach, we successfully detected three different viruses with a single E-Biosensor design, demonstrating the platform's potential for virus detection.
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Affiliation(s)
| | - Julio Ojeda
- Department of Chemistry, University of Central Florida, Orlando, Florida 32816, United States
| | - Cynthia Castro
- Department of Chemistry, University of Central Florida, Orlando, Florida 32816, United States
| | - Yulia Gerasimova
- Department of Chemistry, University of Central Florida, Orlando, Florida 32816, United States
| | - Karin Chumbimuni-Torres
- Department of Chemistry, University of Central Florida, Orlando, Florida 32816, United States
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2
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Ojeda J, Torres-Salvador F, Bruno N, Eastwood H, Gerasimova Y, Chumbimuni-Torres K. Highly reproducible electrochemical biosensor for Influenza A virus towards low-resource settings. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:772-779. [PMID: 38230437 DOI: 10.1039/d3ay01825c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2024]
Abstract
A highly reproducible electrochemical biosensor, employing a five-stranded four-way junction (5S-4WJ) system through square wave voltammetry, has been successfully validated for the detection of Influenza A virus (InfA). A comprehensive assessment of its linearity, precision, accuracy, and robustness has demonstrated its compliance with FDA standards. Integration with Nucleic Acid-Based Amplification (NASBA) has showcased its selectivity for InfA, enabling the detection of InfA RNA with a standard heater set at 41 °C. This platform offers a straightforward setup well-suited for use at low-resource facilities.
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Affiliation(s)
- Julio Ojeda
- Department of Chemistry, University of Central Florida, Orlando, FL 32816, USA.
| | | | - Nicholas Bruno
- Department of Chemistry, University of Central Florida, Orlando, FL 32816, USA.
| | - Hannah Eastwood
- Department of Chemistry, University of Central Florida, Orlando, FL 32816, USA.
| | - Yulia Gerasimova
- Department of Chemistry, University of Central Florida, Orlando, FL 32816, USA.
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3
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Foguel MV, Zamora V, Ojeda J, Reed M, Bennett A, Calvo-Marzal P, Gerasimova YV, Kolpashchikov D, Chumbimuni-Torres KY. DNA nanotechnology for nucleic acid analysis: sensing of nucleic acids with DNA junction-probes. Analyst 2024; 149:968-974. [PMID: 38197474 DOI: 10.1039/d3an01707a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2024]
Abstract
DNA nanotechnology deals with the design of non-naturally occurring DNA nanostructures that can be used in biotechnology, medicine, and diagnostics. In this study, we introduced a nucleic acid five-way junction (5WJ) structure for direct electrochemical analysis of full-length biological RNAs. To the best of our knowledge, this is the first report on the interrogation of such long nucleic acid sequences by hybridization probes attached to a solid support. A hairpin-shaped electrode-bound oligonucleotide hybridizes with three adaptor strands, one of which is labeled with methylene blue (MB). The four strands are combined into a 5WJ structure only in the presence of specific DNA or RNA analytes. Upon interrogation of a full-size 16S rRNA in the total RNA sample, the electrode-bound MB-labeled 5WJ association produces a higher signal-to-noise ratio than electrochemical nucleic acid biosensors of alternative design. This advantage was attributed to the favorable geometry on the 5WJ nanostructure formed on the electrode's surface. The 5WJ biosensor is a cost-efficient alternative to the traditional electrochemical biosensors for the analysis of nucleic acids due to the universal nature of both the electrode-bound and MB-labeled DNA components.
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Affiliation(s)
- Marcos V Foguel
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
| | - Victor Zamora
- Escuela Professional de Quimica, Facultad de Ciencias, Universidad Nacional Ingenieria, Av. Tupac 210, Lima, Peru
| | - Julio Ojeda
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
| | - Mark Reed
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
| | - Alexander Bennett
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
| | - Percy Calvo-Marzal
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
| | - Yulia V Gerasimova
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
| | - Dmitry Kolpashchikov
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
- Burnett School of Biomedical Science, university of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA
| | - Karin Y Chumbimuni-Torres
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
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4
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Murray A, Ojeda J, El Merhebi O, Calvo-Marzal P, Gerasimova Y, Chumbimuni-Torres K. Cost-Effective Modular Biosensor for SARS-CoV-2 and Influenza A Detection. BIOSENSORS 2023; 13:874. [PMID: 37754108 PMCID: PMC10526333 DOI: 10.3390/bios13090874] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 09/03/2023] [Accepted: 09/05/2023] [Indexed: 09/28/2023]
Abstract
A modular, multi-purpose, and cost-effective electrochemical biosensor based on a five-stranded four-way junction (5S-4WJ) system was developed for SARS-CoV-2 (genes S and N) and Influenza A virus (gene M) detection. The 5S-4WJ structure consists of an electrode-immobilized universal stem-loop (USL) strand, two auxiliary DNA strands, and a universal methylene blue redox strand (UMeB). This design allows for the detection of specific nucleic acid sequences using square wave voltammetry (SWV). The sequence-specific auxiliary DNA strands (m and f) ensure selectivity of the biosensor for target recognition utilizing the same USL and UMeB components. An important feature of this biosensor is the ability to reuse the USL-modified electrodes to detect the same or alternative targets in new samples. This is accomplished by a simple procedure involving rinsing the electrodes with water to disrupt the 5S-4WJ structure and subsequent re-hybridization of the USL strand with the appropriate set of strands for a new analysis. The biosensor exhibited minimal loss in signal after rehybridization, demonstrating its potential as a viable multiplex assay for both current and future pathogens, with a low limit of quantification (LOQ) of as low as 17 pM.
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Affiliation(s)
| | | | | | | | | | - Karin Chumbimuni-Torres
- Department of Chemistry, University of Central Florida, Orlando, FL 32816, USA; (A.M.); (J.O.); (O.E.M.); (P.C.-M.); (Y.G.)
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5
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Cordeiro TAR, de Resende MAC, Moraes SCDS, Franco DL, Pereira AC, Ferreira LF. Electrochemical biosensors for neglected tropical diseases: A review. Talanta 2021; 234:122617. [PMID: 34364426 DOI: 10.1016/j.talanta.2021.122617] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 06/08/2021] [Accepted: 06/12/2021] [Indexed: 12/26/2022]
Abstract
A group of infectious and parasitic diseases with prevalence in tropical and subtropical regions of the planet, especially in places with difficult access, internal conflicts, poverty, and low visibility from the government and health agencies are classified as neglected tropical diseases. While some well-intentioned isolated groups are making the difference on a global scale, the number of new cases and deaths is still alarming. The development and employment of low-cost, miniaturized, and easy-to-use devices as biosensors could be the key to fast diagnosis in such areas leading to a better treatment to further eradication of such diseases. Therefore, this review contains useful information regarding the development of such devices in the past ten years (2010-2020). Guided by the updated list from the World Health Organization, the work evaluated the new trends in the biosensor field applied to the early detection of neglected tropical diseases, the efficiencies of the devices compared to the traditional techniques, and the applicability on-site for local distribution. So, we focus on Malaria, Chagas, Leishmaniasis, Dengue, Zika, Chikungunya, Schistosomiasis, Leprosy, Human African trypanosomiasis (sleeping sickness), Lymphatic filariasis, and Rabies. Few papers were found concerning such diseases and there is no available commercial device in the market. The works contain information regarding the development of point-of-care devices, but there are only at proof of concepts stage so far. Details of electrode modification and construction of electrochemical biosensors were summarized in Tables. The demand for the eradication of neglected tropical diseases is increasing. The use of biosensors is pivotal for the cause, but appliable devices are scarce. The information present in this review can be useful for further development of biosensors in the hope of helping the world combat these deadly diseases.
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Affiliation(s)
- Taís Aparecida Reis Cordeiro
- Institute of Science and Technology, Laboratory of Electrochemistry and Applied Nanotechnology, Federal University of the Jequitinhonha and Mucuri Valleys, Diamantina, Brazil
| | | | - Simone Cristina Dos Santos Moraes
- Group of Electrochemistry Applied to Polymers and Sensors - Multidisciplinary Group of Research, Science and Technology - Laboratory of Electroanalytic Applied to Biotechnology and Food Engineering - Institute of Chemistry, Federal University of Uberlândia, Patos de Minas, Brazil
| | - Diego Leoni Franco
- Group of Electrochemistry Applied to Polymers and Sensors - Multidisciplinary Group of Research, Science and Technology - Laboratory of Electroanalytic Applied to Biotechnology and Food Engineering - Institute of Chemistry, Federal University of Uberlândia, Patos de Minas, Brazil.
| | - Arnaldo César Pereira
- Department of Natural Sciences, Federal University of São João Del-Rei, São João Del-Rei, Brazil.
| | - Lucas Franco Ferreira
- Institute of Science and Technology, Laboratory of Electrochemistry and Applied Nanotechnology, Federal University of the Jequitinhonha and Mucuri Valleys, Diamantina, Brazil.
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Gupta N, Augustine S, Narayan T, O’Riordan A, Das A, Kumar D, Luong JHT, Malhotra BD. Point-of-Care PCR Assays for COVID-19 Detection. BIOSENSORS 2021; 11:141. [PMID: 34062874 PMCID: PMC8147281 DOI: 10.3390/bios11050141] [Citation(s) in RCA: 59] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/20/2021] [Accepted: 04/28/2021] [Indexed: 12/24/2022]
Abstract
Molecular diagnostics has been the front runner in the world's response to the COVID-19 pandemic. Particularly, reverse transcriptase-polymerase chain reaction (RT-PCR) and the quantitative variant (qRT-PCR) have been the gold standard for COVID-19 diagnosis. However, faster antigen tests and other point-of-care (POC) devices have also played a significant role in containing the spread of SARS-CoV-2 by facilitating mass screening and delivering results in less time. Thus, despite the higher sensitivity and specificity of the RT-PCR assays, the impact of POC tests cannot be ignored. As a consequence, there has been an increased interest in the development of miniaturized, high-throughput, and automated PCR systems, many of which can be used at point-of-care. This review summarizes the recent advances in the development of miniaturized PCR systems with an emphasis on COVID-19 detection. The distinct features of digital PCR and electrochemical PCR are detailed along with the challenges. The potential of CRISPR/Cas technology for POC diagnostics is also highlighted. Commercial RT-PCR POC systems approved by various agencies for COVID-19 detection are discussed.
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Affiliation(s)
- Niharika Gupta
- Department of Biotechnology, Delhi Technological University, Shahbad Daulatpur, Delhi 110042, India; (N.G.); (S.A.); (A.D.)
| | - Shine Augustine
- Department of Biotechnology, Delhi Technological University, Shahbad Daulatpur, Delhi 110042, India; (N.G.); (S.A.); (A.D.)
| | - Tarun Narayan
- Nanotechnology Group, Tyndall National Institute, University College Cork, T12 K8AF Cork, Ireland; (T.N.); (A.O.)
| | - Alan O’Riordan
- Nanotechnology Group, Tyndall National Institute, University College Cork, T12 K8AF Cork, Ireland; (T.N.); (A.O.)
| | - Asmita Das
- Department of Biotechnology, Delhi Technological University, Shahbad Daulatpur, Delhi 110042, India; (N.G.); (S.A.); (A.D.)
| | - D. Kumar
- Department of Applied Chemistry, Delhi Technological University, Shahbad Daulatpur, New Delhi 110042, India;
| | - John H. T. Luong
- School of Chemistry, University College Cork, T12 K8AF Cork, Ireland
| | - Bansi D. Malhotra
- Department of Biotechnology, Delhi Technological University, Shahbad Daulatpur, Delhi 110042, India; (N.G.); (S.A.); (A.D.)
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7
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Imran S, Ahmadi S, Kerman K. Electrochemical Biosensors for the Detection of SARS-CoV-2 and Other Viruses. MICROMACHINES 2021; 12:174. [PMID: 33578979 PMCID: PMC7916687 DOI: 10.3390/mi12020174] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2021] [Revised: 02/04/2021] [Accepted: 02/05/2021] [Indexed: 02/06/2023]
Abstract
The last few decades have been plagued by viral outbreaks that present some of the biggest challenges to public safety. The current coronavirus (COVID-19) disease pandemic has exponentiated these concerns. Increased research on diagnostic tools is currently being implemented in order to assist with rapid identification of the virus, as mass diagnosis and containment is the best way to prevent the outbreak of the virus. Accordingly, there is a growing urgency to establish a point-of-care device for the rapid detection of coronavirus to prevent subsequent spread. This device needs to be sensitive, selective, and exhibit rapid diagnostic capabilities. Electrochemical biosensors have demonstrated these traits and, hence, serve as promising candidates for the detection of viruses. This review summarizes the designs and features of electrochemical biosensors developed for some past and current pandemic or epidemic viruses, including influenza, HIV, Ebola, and Zika. Alongside the design, this review also discusses the detection principles, fabrication techniques, and applications of the biosensors. Finally, research and perspective of biosensors as potential detection tools for the rapid identification of SARS-CoV-2 is discussed.
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Affiliation(s)
- Saim Imran
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada; (S.I.); (S.A.)
| | - Soha Ahmadi
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada; (S.I.); (S.A.)
- Department of Chemistry, University of Toronto, 80 St. George Street, Toronto, ON M5S 3H6, Canada
| | - Kagan Kerman
- Department of Physical and Environmental Sciences, University of Toronto Scarborough, 1265 Military Trail, Toronto, ON M1C 1A4, Canada; (S.I.); (S.A.)
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8
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Zhang X, Li G, Chen G, Zhu N, Wu D, Wu Y, James TD. Recent progresses and remaining challenges for the detection of Zika virus. Med Res Rev 2021; 41:2039-2108. [PMID: 33559917 DOI: 10.1002/med.21786] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 12/23/2020] [Accepted: 01/05/2021] [Indexed: 12/26/2022]
Abstract
Zika virus (ZIKV) has emerged as a particularly notorious mosquito-borne flavivirus, which can lead to a devastating congenital syndrome in the fetuses of pregnant mothers (e.g., microcephaly, spasticity, craniofacial disproportion, miscarriage, and ocular abnormalities) and cause the autoimmune disorder Guillain-Barre' syndrome of adults. Due to its severity and rapid dispersal over several continents, ZIKV has been acknowledged to be a global health concern by the World Health Organization. Unfortunately, the ZIKV has recently resurged in India with the potential for devastating effects. Researchers from all around the world have worked tirelessly to develop effective detection strategies and vaccines for the prevention and control of ZIKV infection. In this review, we comprehensively summarize the most recent research into ZIKV, including the structural biology and evolution, historical overview, pathogenesis, symptoms, and transmission. We then focus on the detection strategies for ZIKV, including viral isolation, serological assays, molecular assays, sensing methods, reverse transcription loop mediated isothermal amplification, transcription-mediated amplification technology, reverse transcription strand invasion based amplification, bioplasmonic paper-based device, and reverse transcription isothermal recombinase polymerase amplification. To conclude, we examine the limitations of currently available strategies for the detection of ZIKV, and outline future opportunities and research challenges.
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Affiliation(s)
- Xianlong Zhang
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Guoliang Li
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Guang Chen
- School of Food and Biological Engineering, Shaanxi University of Science and Technology, Xi'an, China
| | - Niu Zhu
- Department of Public Health, Xi'an Medical University, Xi'an, China
| | - Di Wu
- Institute for Global Food Security, Queen's University Belfast, Belfast, UK
| | - Yongning Wu
- NHC Key Laboratory of Food Safety Risk Assessment, Food Safety Research Unit (2019RU014) of Chinese Academy of Medical Science, China National Center for Food Safety Risk Assessment, Beijing, China
| | - Tony D James
- Department of Chemistry, University of Bath, Bath, UK.,School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, China
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9
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Alam MA, Hasan MR, Anzar N, Suleman S, Narang J. Diagnostic approaches for the rapid detection of Zika virus–A review. Process Biochem 2021. [DOI: 10.1016/j.procbio.2020.11.009] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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10
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Abstract
Coronavirus disease (COVID-19) caused by SARS-CoV-2 has spread since the end of 2019 and has resulted in a pandemic with unprecedented socioeconomic consequences. This situation has created enormous demand for the improvement of current diagnostic methods and the development of new diagnostic methods for fast, low-cost and user-friendly confirmation of SARS-CoV-2 infection. This critical review focuses on viral electrochemical biosensors that are promising for the development of rapid medical COVID-19 diagnostic tools. The molecular biological properties of SARS-CoV-2 as well as currently known biochemical attributes of infection necessary for biosensor development are outlined. The advantages and drawbacks of conventional diagnostic methods, such as quantitative reverse-transcription polymerase chain reaction (qRT-PCR), are critically discussed. Electrochemical biosensors focusing on viral nucleic acid and whole viral particle detection are highlighted and discussed in detail. Finally, future perspectives on viral electrochemical biosensor development are briefly mentioned.
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Affiliation(s)
- Jiri Kudr
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00, Brno, Czech Republic
| | - Petr Michalek
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00, Brno, Czech Republic.,Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, CZ-616 00, Brno, Czech Republic
| | - Lada Ilieva
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00, Brno, Czech Republic
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00, Brno, Czech Republic.,Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, CZ-616 00, Brno, Czech Republic
| | - Ondrej Zitka
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, CZ-613 00, Brno, Czech Republic.,Central European Institute of Technology, Brno University of Technology, Technicka 3058/10, CZ-616 00, Brno, Czech Republic
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Bukasov R, Dossym D, Filchakova O. Detection of RNA viruses from influenza and HIV to Ebola and SARS-CoV-2: a review. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2021; 13:34-55. [PMID: 33283798 DOI: 10.1039/d0ay01886d] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
RNA-based viruses likely make up the highest pandemic threat among all known pathogens in about the last 100 years, since the Spanish Flu of 1918 with 50 M deaths up to COVID-19. Nowadays, an efficient and affordable testing strategy for such viruses have become the paramount target for the fields of virology and bioanalytical chemistry. The detection of the viruses (influenza, hepatitis, HIV, Zika, SARS, Ebola, SARS-CoV-2, etc.) and human antibodies to these viruses is described and tabulated in terms of the reported methods of detection, time to results, accuracy and specificity, if they are reported. The review is focused, but not limited to publications in the last decade. Finally, the limits of detection for each representative publication are tabulated by detection methods and discussed. These methods include PCR, lateral flow immunoassays, LAMP-based methods, ELISA, electrochemical methods (e.g., amperometry, voltammetry), fluorescence spectroscopy, AFM, SPR and SERS spectroscopy, silver staining and CRISPR-Cas based methods, bio-barcode detection, and resonance light scattering. The review is likely to be interesting for various scientists, and particularly helpful with information for establishing interdisciplinary research.
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Affiliation(s)
- Rostislav Bukasov
- Chemistry Department, SSH, Nazarbayev University, Nur-Sultan, 010000, Kazakhstan
| | - Dina Dossym
- Chemistry Department, SSH, Nazarbayev University, Nur-Sultan, 010000, Kazakhstan
| | - Olena Filchakova
- Biology Department, SSH, Nazarbayev University, Nur-Sultan, 010000, Kazakhstan.
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12
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Wang X, Tao Z. Expanding the analytical applications of nucleic acid hybridization using junction probes. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2020; 12:4931-4938. [PMID: 33043948 DOI: 10.1039/d0ay01605e] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Nucleic acid hybridization is crucial in target recognition with respect to in vitro and in vivo nucleic acid biosensing. Conventional linear probes and molecular beacons encounter challenges in multiplexing and specific recognition of intractable nucleic acids. Advances in nucleic acid nanotechnologies have resulted in a set of novel structural probes: junction probes (JPs), which make full use of the advantages of specificity, stability, programmability and predictability of Watson-Crick base pairing. In recent years, junction probes have been regularly implemented in constructing systems related to biosensing, synthetic biology and gene regulation. Herein, we summarize the latest advances in JP designs as potential nucleic acid biosensing systems and their expansive applications, and provide some general guidelines for developing JP based sensing strategies for implementation of such systems.
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Affiliation(s)
- Xuchu Wang
- Department of Laboratory Medicine, The Second Affiliated Hospital of Zhejiang University, Hangzhou, China.
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13
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Berkenbrock JA, Grecco-Machado R, Achenbach S. Microfluidic devices for the detection of viruses: aspects of emergency fabrication during the COVID-19 pandemic and other outbreaks. Proc Math Phys Eng Sci 2020; 476:20200398. [PMID: 33363440 PMCID: PMC7735301 DOI: 10.1098/rspa.2020.0398] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 10/05/2020] [Indexed: 12/17/2022] Open
Abstract
Extensive testing of populations against COVID-19 has been suggested as a game-changer quest to control the spread of this contagious disease and to avoid further disruption in our social, healthcare and economical systems. Nonetheless, testing millions of people for a new virus brings about quite a few challenges. The development of effective tests for the new coronavirus has become a worldwide task that relies on recent discoveries and lessons learned from past outbreaks. In this work, we review the most recent publications on microfluidics devices for the detection of viruses. The topics of discussion include different detection approaches, methods of signalling and fabrication techniques. Besides the miniaturization of traditional benchtop detection assays, approaches such as electrochemical analyses, field-effect transistors and resistive pulse sensors are considered. For emergency fabrication of quick test kits, the local capabilities must be evaluated, and the joint work of universities, industries, and governments seems to be an unequivocal necessity.
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Affiliation(s)
- José Alvim Berkenbrock
- Department of Electrical and Computer Engineering, University of Saskatchewan, Saskatoon, SK, Canada
| | - Rafaela Grecco-Machado
- Department of Anatomy, Physiology and Pharmacology, University of Saskatchewan, Saskatoon, SK, Canada
| | - Sven Achenbach
- Department of Electrical and Computer Engineering, University of Saskatchewan, Saskatoon, SK, Canada
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14
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Liu G, Ma X, Tang Y, Miao P. Ratiometric fluorescence method for ctDNA analysis based on the construction of a DNA four-way junction. Analyst 2020; 145:1174-1178. [PMID: 32016264 DOI: 10.1039/d0an00044b] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
We present a novel ratiometric fluorescent biosensor for ctDNA analysis based on the construction of a DNA four-way junction (FWJ). Three fuel strands for the FWJ are firstly designed and prepared. Another essential strand for the formation of the structure is the DNA product generated from target ctDNA initiated strand displacement amplification. With the transformation of the DNA structure, the FRET states of two fluorophores change and the ratiometric fluorescence response can be recorded to indicate the level of the initial ctDNA. The proposed method also has excellent capability to discriminate mismatches and shows potential practical utility for clinical samples.
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Affiliation(s)
- Guangxing Liu
- CAS Key Lab of Bio-Medical Diagnostics, Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, China.
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15
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Song C, Sun Y, Zhang J, Wang T, Wang Y, Liu Y, Wang L. A target-mediated fuel-initiated molecular machine for high-sensitive fluorescence assay of the ZIKV gene via strand displacement reaction-based signal recovery and cycling amplification. Analyst 2020; 145:5475-5481. [PMID: 32588847 DOI: 10.1039/d0an00854k] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Zika virus (ZIKV) is a serious threat to human health due to its widespread human arboviral infections, and early diagnosis is one of the keys to preventing infections from spreading, but there is a lack of highly sensitive and specific detection. In this work, a target-mediated fuel-initiated molecular machine was proposed for the high-sensitive fluorescence assay of the ZIKV gene via strand displacement reaction-based signal recovery and cycling amplification. The molecular machine was prepared by modifying AuNP surfaces with specially designed lock-like DNAs (LLDs). The LLDs assembled with a hairpin DNA (H1) and a fluorescent aDNA can be opened under the trigger of the ZIKV gene and the strand displacement reactions are further initiated with the help of the DNA fuel (H2), which results in the release of the aDNAs and ZIKV genes from the AuNPs, causing the recovery of the fluorescence signal and the cyclic amplification of the gene. The target-mediated fuel-initiated molecular machines output an amplified fluorescence signal with the enhancement of 360%, and possess good sensitivity for detecting the ZIKV gene in serum with a linear calibration curve from 100 pM to 1 fM and a low limit of detection of 0.90 fM. The molecular machines can differentiate the ZIKV gene from the single base mismatched DNA obviously and show good recovery of ZIKV gene detection, which demonstrates the good specificity, reproducibility and reliability of the highly sensitive assay for the early detection of the virus.
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Affiliation(s)
- Chunyuan Song
- Key Laboratory for Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Jiangsu National Synergistic Innovation Center for Advanced Materials (SICAM), Nanjing University of Posts and Telecommunications, Nanjing, 210023, China.
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Wu CC, Yen HY, Lai LT, Perng GC, Lee CR, Wu SJ. A Label-Free Impedimetric Genosensor for the Nucleic Acid Amplification-Free Detection of Extracted RNA of Dengue Virus. SENSORS 2020; 20:s20133728. [PMID: 32635293 PMCID: PMC7374514 DOI: 10.3390/s20133728] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 06/30/2020] [Accepted: 07/01/2020] [Indexed: 12/26/2022]
Abstract
Developing rapid and sensitive diagnostic methods for dengue virus (DENV) infection is of prime priority because DENV infection is the most prevalent mosquito-borne viral disease. This work proposes an electrochemical impedance spectroscopy (EIS)-based genosensor for the label-free and nucleic acid amplification-free detection of extracted DENV RNA intended for a sensitive diagnosis of DENV infection. A concentration ratio of 0.04 mM 6-mercaptohexanoic acid (MHA) to 1 mM 6-mercapto-1-hexanol (MCH) was selected to modify thin-film gold electrodes as a link to control the coverage of self-designed probe DNA (pDNA) at a density of 4.5 ± 0.4 × 1011 pDNA/cm2. The pDNA/MHA/MCH-modified genosensors are proven to improve the hybridization efficiency of a synthetic 160-mer target DNA (160mtDNA) with a 140-mer electrode side overhang as compared to other MHA/MCH ratio-modified genosensors. The MHA(0.04 mM)/MCH(1 mM)-modified genosensors also present good hybridization efficiency with the extracted DENV serotype 1 (DENV1) RNA samples, having the same electrode side overhangs with the 160mtDNA, showing a low detection limit of 20 plaque forming units (PFU)/mL, a linear range of 102–105 PFU/mL and good selectivity for DENV1. The pDNA density-controlled method has great promise to construct sensitive genosensors based on the hybridization of extracted DENV nucleic acids.
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Affiliation(s)
- Ching-Chou Wu
- Department of Bio-industrial Mechatronics Engineering, National Chung Hsing University, No. 145, Xingda Rd., South Dist., Taichung City 402, Taiwan; (H.-Y.Y.); (L.-T.L.)
- Innovation and Development Center of Sustainable Agriculture, National Chung Hsing University, No. 145, Xingda Rd., South Dist., Taichung City 402, Taiwan
- Correspondence: ; Tel.: +886-4-2285-1268
| | - Hao-Yu Yen
- Department of Bio-industrial Mechatronics Engineering, National Chung Hsing University, No. 145, Xingda Rd., South Dist., Taichung City 402, Taiwan; (H.-Y.Y.); (L.-T.L.)
| | - Lu-Ting Lai
- Department of Bio-industrial Mechatronics Engineering, National Chung Hsing University, No. 145, Xingda Rd., South Dist., Taichung City 402, Taiwan; (H.-Y.Y.); (L.-T.L.)
| | - Guey-Chuen Perng
- Department of Microbiology and Immunology, College of Medicine, National Cheng Kung University, No.1, University Rd., Tainan City 701, Taiwan;
| | - Cheng-Rei Lee
- Viral & Rickettsial Diseases Department, Naval Medical Research Center, Silver Spring, MD 20910, USA; (C.-R.L.); (S.-J.W.)
| | - Shuenn-Jue Wu
- Viral & Rickettsial Diseases Department, Naval Medical Research Center, Silver Spring, MD 20910, USA; (C.-R.L.); (S.-J.W.)
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MVF Sensor Enables Analysis of Nucleic Acids with Stable Secondary Structures. ELECTROANAL 2020. [DOI: 10.1002/elan.201900690] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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