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Adedokun G, Alipanah M, Fan ZH. Sample preparation and detection methods in point-of-care devices towards future at-home testing. LAB ON A CHIP 2024; 24:3626-3650. [PMID: 38952234 PMCID: PMC11270053 DOI: 10.1039/d3lc00943b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/03/2024]
Abstract
Timely and accurate diagnosis is critical for effective healthcare, yet nearly half the global population lacks access to basic diagnostics. Point-of-care (POC) testing offers partial solutions by enabling low-cost, rapid diagnosis at the patient's location. At-home POC devices have the potential to advance preventive care and early disease detection. Nevertheless, effective sample preparation and detection methods are essential for accurate results. This review surveys recent advances in sample preparation and detection methods at POC. The goal is to provide an in-depth understanding of how these technologies can enhance at-home POC devices. Lateral flow assays, nucleic acid tests, and virus detection methods are at the forefront of POC diagnostic technology, offering rapid and sensitive tools for identifying and measuring pathogens, biomarkers, and viral infections. By illuminating cutting-edge research on assay development for POC diagnostics, this review aims to accelerate progress towards widely available, user-friendly, at-home health monitoring tools that empower individuals in personalized healthcare in the future.
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Affiliation(s)
- George Adedokun
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, University of Florida, P.O. Box 116250, Gainesville, FL 32611, USA.
| | - Morteza Alipanah
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, University of Florida, P.O. Box 116250, Gainesville, FL 32611, USA.
| | - Z Hugh Fan
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, University of Florida, P.O. Box 116250, Gainesville, FL 32611, USA.
- J. Crayton Pruitt Family Department of Biomedical Engineering, University of Florida, P.O. Box 116131, Gainesville, FL 32611, USA
- Department of Chemistry, University of Florida, P.O. Box 117200, Gainesville, FL 32611, USA
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2
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Wang N, Zhang J, Xiao B, Chen A. Microfluidic-assisted integrated nucleic acid test strips for POCT. Talanta 2024; 267:125150. [PMID: 37672986 DOI: 10.1016/j.talanta.2023.125150] [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: 07/04/2023] [Revised: 08/16/2023] [Accepted: 09/01/2023] [Indexed: 09/08/2023]
Abstract
Numerous diseases have posed significant threats to public health, notably the global pandemic of COVID-19, resulting in widespread devastation due to its high infectivity and severity. The nucleic acid lateral flow assay (NALFA) addresses challenges of complexity, cost, and time associated with traditional assays, offering a reliable platform for rapid and precise nucleic acid target detection. NALFA is gaining prominence as a point-of-care testing (POCT) technique, thanks to its user-friendly operation and rapid results. Nevertheless, conventional NALFA relies on specialized technicians and involves labor-intensive steps like DNA extraction and PCR processes, impeding its efficiency. To overcome these limitations, integrating NALFA with microfluidic technology, widely employed in rapid field detection, holds promise. This review comprehensively outlines prevailing strategies for integrating NALFA, encompassing both research initiatives and commercial applications. Addressing the bottleneck of nucleic acid amplification as a rate-limiting step, the review delves into progress in amplification-free NALFA and highlights prevalent signal amplification techniques. Ultimately, the review outlines the future prospect of integrated NALFA development, capturing the technology's evolution and providing valuable insights for academic and commercial endeavors.
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Affiliation(s)
- Nan Wang
- Institute of Quality Standard & Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Juan Zhang
- Institute of Quality Standard & Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Bin Xiao
- Institute of Quality Standard & Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing, 100081, China
| | - Ailiang Chen
- Institute of Quality Standard & Testing Technology for Agro-Products, Key Laboratory of Agro-product Quality and Safety, Chinese Academy of Agricultural Sciences, Beijing, 100081, China.
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3
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Klebes A, Ates HC, Verboket RD, Urban GA, von Stetten F, Dincer C, Früh SM. Emerging multianalyte biosensors for the simultaneous detection of protein and nucleic acid biomarkers. Biosens Bioelectron 2024; 244:115800. [PMID: 37925943 DOI: 10.1016/j.bios.2023.115800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/17/2023] [Accepted: 10/27/2023] [Indexed: 11/07/2023]
Abstract
Traditionally, biosensors are designed to detect one specific analyte. Nevertheless, disease progression is regulated in a highly interactive way by different classes of biomolecules like proteins and nucleic acids. Therefore, a more comprehensive analysis of biomarkers from a single sample is of utmost importance to further improve both, the accuracy of diagnosis as well as the therapeutic success. This review summarizes fundamentals like biorecognition and sensing strategies for the simultaneous detection of proteins and nucleic acids and discusses challenges related to multianalyte biosensor development. We present an overview of the current state of biosensors for the combined detection of protein and nucleic acid biomarkers associated with widespread diseases, among them cancer and infectious diseases. Furthermore, we outline the multianalyte analysis in the rapidly evolving field of single-cell multiomics, to stress its significance for the future discovery and validation of biomarkers. Finally, we provide a critical perspective on the performance and translation potential of multianalyte biosensors for medical diagnostics.
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Affiliation(s)
- Anna Klebes
- Hahn-Schickard, 79110, Freiburg, Germany; University of Freiburg, IMTEK - Department of Microsystems Engineering, Laboratory for MEMS Applications, 79110, Freiburg, Germany
| | - H Ceren Ates
- University of Freiburg, IMTEK - Department of Microsystems Engineering, Disposable Microsystems Group, 79110, Freiburg, Germany; University of Freiburg, FIT Freiburg Centre for Interactive Materials and Bioinspired Technology, 79110, Freiburg, Germany
| | - René D Verboket
- Department of Trauma-, Hand- and Reconstructive Surgery, University Hospital Frankfurt, Johann Wolfgang Goethe University, 60590, Frankfurt am Main, Germany
| | - Gerald A Urban
- University of Freiburg, IMTEK - Department of Microsystems Engineering, Laboratory for Sensors, 79110, Freiburg, Germany; University of Freiburg, Freiburg Materials Research Centre - FMF, 79104, Freiburg, Germany
| | - Felix von Stetten
- Hahn-Schickard, 79110, Freiburg, Germany; University of Freiburg, IMTEK - Department of Microsystems Engineering, Laboratory for MEMS Applications, 79110, Freiburg, Germany
| | - Can Dincer
- University of Freiburg, IMTEK - Department of Microsystems Engineering, Disposable Microsystems Group, 79110, Freiburg, Germany; University of Freiburg, FIT Freiburg Centre for Interactive Materials and Bioinspired Technology, 79110, Freiburg, Germany
| | - Susanna M Früh
- Hahn-Schickard, 79110, Freiburg, Germany; University of Freiburg, IMTEK - Department of Microsystems Engineering, Laboratory for MEMS Applications, 79110, Freiburg, Germany
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4
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Akalın P, Yazgan-Karataş A. Development of a nucleic acid-based lateral flow device as a reliable diagnostic tool for respiratory viral infections. MethodsX 2023; 11:102372. [PMID: 37744884 PMCID: PMC10511794 DOI: 10.1016/j.mex.2023.102372] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2023] [Accepted: 09/08/2023] [Indexed: 09/26/2023] Open
Abstract
Viral infections continue to pose a significant threat to the public health, leading to high morbidity and mortality rates worldwide. To combat these challenges, early detection and treatment are essential in reducing hospitalizations and preventing severe complications. Simple, inexpensive, and sensitive diagnostic methods are in constant demand in many areas. In this study, we report the development of a nucleic acid-based lateral flow immunoassay device (NALFIA) and demonstrate its successful application in conjunction with a multiplexed reverse-transcription loop-mediated isothermal amplification assay (LAMP) for the detection of SARS-CoV-2 and influenza. In our approach the NALFIA part preparation is independent of the target, and has the potential to ensure widespread use in diagnostics particularly where testing speed is critical such as in respiratory viral infections.•Simple, inexpensive, sensitive and reliable rapid diagnostic tool.•Target independent design.•Effective use for respiratory samples due to practical sample extraction.
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Affiliation(s)
- Pınar Akalın
- Dr. Orhan Öcalgiray Molecular Biology, Biotechnology and Genetics Research Center (ITU-MOBGAM), Istanbul Technical University, Maslak 34469, Istanbul, Turkey
| | - Ayten Yazgan-Karataş
- Dr. Orhan Öcalgiray Molecular Biology, Biotechnology and Genetics Research Center (ITU-MOBGAM), Istanbul Technical University, Maslak 34469, Istanbul, Turkey
- Faculty of Science and Letters, Department of Molecular Biology and Genetics, Istanbul Technical University, Maslak 34469 Istanbul, Turkey
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5
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Hallerbach K, Khederlou K, Wentland L, Senten L, Brentano S, Keefe B, Fu E. Protein-Based Anchoring Methods for Nucleic Acid Detection in Lateral Flow Format Assays. MICROMACHINES 2023; 14:1936. [PMID: 37893373 PMCID: PMC10608873 DOI: 10.3390/mi14101936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 10/09/2023] [Accepted: 10/11/2023] [Indexed: 10/29/2023]
Abstract
The use of lateral flow assays to detect nucleic acid targets has many applications including point-of-care diagnostics, environmental monitoring, and food safety. A sandwich format, similar to that in protein immunoassays, is often used to capture the target nucleic acid sequence with an immobilized complementary strand anchored to a substrate, and then to visualize this event using a complementary label nucleic acid bound to a nanoparticle label. A critical component of high-sensitivity nucleic acid detection is to utilize high-density capture surfaces for the effective capture of target nucleic acid. Multiple methods have been reported, including the use of streptavidin-based protein anchors that can be adsorbed to the lateral flow substrate and that can utilize the high-affinity streptavidin-biotin linkage to bind biotinylated nucleic acid capture sequences for subsequent target nucleic acid binding. However, these protein anchors have not been systematically characterized for use in the context of nucleic acid detection. In this work, we characterize several protein-based anchors on nitrocellulose for (i) capturing the robustness of the attachment of the protein anchor, (ii) capturing nucleic acid density, and (iii) targeting nucleic acid capture. Further, we demonstrate the signal gains in target nucleic acid hybridization made by increasing the density of capture nucleic acid on a nitrocellulose substrate using multiple applications of protein loading onto nitrocellulose. Finally, we use our high-density capture surfaces to demonstrate high-sensitivity nucleic acid detection in a lateral flow assay (in the context of a SARS-CoV-2 sequence), achieving a LOD of approximately 0.2 nM.
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Affiliation(s)
- Kira Hallerbach
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR 97331, USA
| | - Khadijeh Khederlou
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR 97331, USA
| | - Lael Wentland
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR 97331, USA
| | - Lana Senten
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR 97331, USA
| | | | | | - Elain Fu
- School of Chemical, Biological, and Environmental Engineering, Oregon State University, Corvallis, OR 97331, USA
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6
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Reynolds J, Loeffler RS, Leigh PJ, Lopez HA, Yoon JY. Recent Uses of Paper Microfluidics in Isothermal Nucleic Acid Amplification Tests. BIOSENSORS 2023; 13:885. [PMID: 37754119 PMCID: PMC10526735 DOI: 10.3390/bios13090885] [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: 08/15/2023] [Revised: 09/08/2023] [Accepted: 09/11/2023] [Indexed: 09/28/2023]
Abstract
Isothermal nucleic acid amplification tests have recently gained popularity over polymerase chain reaction (PCR), as they only require a constant temperature and significantly simplify nucleic acid amplification. Recently, numerous attempts have been made to incorporate paper microfluidics into these isothermal amplification tests. Paper microfluidics (including lateral flow strips) have been used to extract nucleic acids, amplify the target gene, and detect amplified products, all toward automating the process. We investigated the literature from 2020 to the present, i.e., since the onset of the COVID-19 pandemic, during which a significant surge in isothermal amplification tests has been observed. Paper microfluidic detection has been used extensively for recombinase polymerase amplification (RPA) and its related methods, along with loop-mediated isothermal amplification (LAMP) and rolling circle amplification (RCA). Detection was conducted primarily with colorimetric and fluorometric methods, although a few publications demonstrated flow distance- and surface-enhanced Raman spectroscopic (SERS)-based detection. A good number of publications could be found that demonstrated both amplification and detection on paper microfluidic platforms. A small number of publications could be found that showed extraction or all three procedures (i.e., fully integrated systems) on paper microfluidic platforms, necessitating the need for future work.
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Affiliation(s)
- Jocelyn Reynolds
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ 85721, USA; (J.R.); (R.S.L.); (P.J.L.)
| | - Reid S. Loeffler
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ 85721, USA; (J.R.); (R.S.L.); (P.J.L.)
| | - Preston J. Leigh
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ 85721, USA; (J.R.); (R.S.L.); (P.J.L.)
| | - Hannah A. Lopez
- Department of Neuroscience, The University of Arizona, Tucson, AZ 85721, USA;
| | - Jeong-Yeol Yoon
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ 85721, USA; (J.R.); (R.S.L.); (P.J.L.)
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Chen Y, Hu Y, Lu X. An Integrated Paper Microfluidic Device Based on Isothermal Amplification for Simple Sample-to-Answer Detection of Campylobacter jejuni. Appl Environ Microbiol 2023; 89:e0069523. [PMID: 37382522 PMCID: PMC10370333 DOI: 10.1128/aem.00695-23] [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: 04/27/2023] [Accepted: 06/03/2023] [Indexed: 06/30/2023] Open
Abstract
Campylobacter jejuni is recognized as the most common species in the genus Campylobacter that causes foodborne diseases. The main reservoirs harboring C. jejuni are poultry products, which are associated with most illnesses, creating a demand for effective detection methods to achieve point-of-need diagnostics. We developed an easy-to-use, hybrid paper/polymer-based microfluidic device that integrates paper-based DNA extraction, isothermal nucleic acid amplification, and lateral flow detection. Overall, the recombinase polymerase amplification (RPA) reaction was completed in 20 min and demonstrated 100% specificity to C. jejuni, including 2 reference strains and 6 wild strains isolated from the agroecosystem, 9 other Campylobacter subspecies strains, and 11 non-Campylobacter strains. The limit of detection (LOD) was 46 CFU/mL with DNA extracted on the cellulose paper. The sensitivity was reduced to 460 CFU/mL on the integrated hybrid paper/polymer-based microfluidic device. This device could detect C. jejuni spiked at concentrations ranging from 101 to 102 CFU/g in chicken meat after an enrichment of 5 to 10 h. For C. jejuni levels of >102 CFU/g, it managed to confirm positive results immediately, without bacterial enrichment. RPA reagents and primers remained stable on the paper platform at 22°C for 12 h. After lyophilization and storage on paper, the RPA reaction showed consistent sensitivity for 3 days, and the LOD was reduced to 103 CFU/mL when storage was extended to 25 days. The use of this hybrid paper/polymer-based microfluidic device enabled detection of Campylobacter in foods with high specificity and sensitivity, demonstrating its potential as a reliable point-of-need diagnostic platform for on-site conditions due to its low cost, portability, and simplicity. IMPORTANCE The global health and economic burden of Campylobacter prompts the development of novel detection techniques that can be implemented in resource-limited and on-site settings. This study described point-of-need identification of C. jejuni using a hybrid paper/polymer-based microfluidic device that is easy to operate. This device had high specificity and sensitivity toward C. jejuni and significantly reduced the total analysis time compared to conventional culture-based methods. Nucleic acid extraction was simplified from intensive pipetting to a paper dipstick, making it more convenient for use in the field as a promising tool for future routine surveillance and outbreak investigation.
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Affiliation(s)
- Yunxuan Chen
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, British Columbia, Canada
| | - Yaxi Hu
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, British Columbia, Canada
- Food Science Program, Department of Chemistry, Carleton University, Ottawa, Ontario, Canada
| | - Xiaonan Lu
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, British Columbia, Canada
- Department of Food Science and Agricultural Chemistry, McGill University Macdonald Campus, Quebec, Canada
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8
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Seok Y, Mauk MG, Li R, Qian C. Trends of respiratory virus detection in point-of-care testing: A review. Anal Chim Acta 2023; 1264:341283. [PMID: 37230728 DOI: 10.1016/j.aca.2023.341283] [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: 12/07/2022] [Revised: 04/24/2023] [Accepted: 04/25/2023] [Indexed: 05/27/2023]
Abstract
In resource-limited conditions such as the COVID-19 pandemic, on-site detection of diseases using the Point-of-care testing (POCT) technique is becoming a key factor in overcoming crises and saving lives. For practical POCT in the field, affordable, sensitive, and rapid medical testing should be performed on simple and portable platforms, instead of laboratory facilities. In this review, we introduce recent approaches to the detection of respiratory virus targets, analysis trends, and prospects. Respiratory viruses occur everywhere and are one of the most common and widely spreading infectious diseases in the human global society. Seasonal influenza, avian influenza, coronavirus, and COVID-19 are examples of such diseases. On-site detection and POCT for respiratory viruses are state-of-the-art technologies in this field and are commercially valuable global healthcare topics. Cutting-edge POCT techniques have focused on the detection of respiratory viruses for early diagnosis, prevention, and monitoring to protect against the spread of COVID-19. In particular, we highlight the application of sensing techniques to each platform to reveal the challenges of the development stage. Recent POCT approaches have been summarized in terms of principle, sensitivity, analysis time, and convenience for field applications. Based on the analysis of current states, we also suggest the remaining challenges and prospects for the use of the POCT technique for respiratory virus detection to improve our protection ability and prevent the next pandemic.
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Affiliation(s)
- Youngung Seok
- Department of Biotechnology and Bioengineering, Chonnam National University, Gwangju, 61186, Republic of Korea; Department of Mechanical Engineering and Applied Mechanics, School of Engineering and Applied Science, University of Pennsylvania, 216 Towne Building, 220 S. 33rd Street, Philadelphia, PA, 19104, USA.
| | - Michael G Mauk
- Department of Mechanical Engineering and Applied Mechanics, School of Engineering and Applied Science, University of Pennsylvania, 216 Towne Building, 220 S. 33rd Street, Philadelphia, PA, 19104, USA
| | - Ruijie Li
- Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, 29 Zhongguancun East Road, Haidian District, Beijing, 100190, China
| | - Cheng Qian
- Key Laboratory for Food Microbial Technology of Zhejiang Province, College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang, 310018, China
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Jena S, Gaur D, Dubey NC, Tripathi BP. Advances in paper based isothermal nucleic acid amplification tests for water-related infectious diseases. Int J Biol Macromol 2023:125089. [PMID: 37245760 DOI: 10.1016/j.ijbiomac.2023.125089] [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: 02/11/2023] [Revised: 05/14/2023] [Accepted: 05/22/2023] [Indexed: 05/30/2023]
Abstract
Water-associated or water-related infectious disease outbreaks are caused by pathogens such as bacteria, viruses, and protozoa, which can be transmitted through contaminated water sources, poor sanitation practices, or insect vectors. Low- and middle-income countries bear the major burden of these infections due to inadequate hygiene and subpar laboratory facilities, making it challenging to monitor and detect infections in a timely manner. However, even developed countries are not immune to these diseases, as inadequate wastewater management and contaminated drinking water supplies can also contribute to disease outbreaks. Nucleic acid amplification tests have proven to be effective for early disease intervention and surveillance of both new and existing diseases. In recent years, paper-based diagnostic devices have made significant progress and become an essential tool in detecting and managing water-associated diseases. In this review, we highlight the importance of paper and its variants as a diagnostic tool and discuss the properties, design modifications, and various paper-based device formats developed and used for detecting water-associated pathogens.
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Affiliation(s)
- Saikrushna Jena
- Department of Materials Science & Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Divya Gaur
- Department of Materials Science & Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India
| | - Nidhi C Dubey
- Department of Molecular Medicine, Jamia Hamdard, New Delhi 110062, India
| | - Bijay P Tripathi
- Department of Materials Science & Engineering, Indian Institute of Technology Delhi, New Delhi 110016, India.
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de Olazarra AS, Wang SX. Advances in point-of-care genetic testing for personalized medicine applications. BIOMICROFLUIDICS 2023; 17:031501. [PMID: 37159750 PMCID: PMC10163839 DOI: 10.1063/5.0143311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/21/2023] [Accepted: 04/12/2023] [Indexed: 05/11/2023]
Abstract
Breakthroughs within the fields of genomics and bioinformatics have enabled the identification of numerous genetic biomarkers that reflect an individual's disease susceptibility, disease progression, and therapy responsiveness. The personalized medicine paradigm capitalizes on these breakthroughs by utilizing an individual's genetic profile to guide treatment selection, dosing, and preventative care. However, integration of personalized medicine into routine clinical practice has been limited-in part-by a dearth of widely deployable, timely, and cost-effective genetic analysis tools. Fortunately, the last several decades have been characterized by tremendous progress with respect to the development of molecular point-of-care tests (POCTs). Advances in microfluidic technologies, accompanied by improvements and innovations in amplification methods, have opened new doors to health monitoring at the point-of-care. While many of these technologies were developed with rapid infectious disease diagnostics in mind, they are well-suited for deployment as genetic testing platforms for personalized medicine applications. In the coming years, we expect that these innovations in molecular POCT technology will play a critical role in enabling widespread adoption of personalized medicine methods. In this work, we review the current and emerging generations of point-of-care molecular testing platforms and assess their applicability toward accelerating the personalized medicine paradigm.
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Affiliation(s)
- A. S. de Olazarra
- Department of Electrical Engineering, Stanford University, Stanford, California 94305, USA
| | - S. X. Wang
- Author to whom correspondence should be addressed:
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11
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Biswas GC, Khan MTM, Das J. Wearable nucleic acid testing platform - A perspective on rapid self-diagnosis and surveillance of infectious diseases. Biosens Bioelectron 2023; 226:115115. [PMID: 36746023 DOI: 10.1016/j.bios.2023.115115] [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: 11/10/2022] [Revised: 12/21/2022] [Accepted: 01/30/2023] [Indexed: 02/05/2023]
Abstract
Wearable biosensors (WB) are currently attracting considerable interest for rapid detection and monitoring of biomarkers including metabolites, protein, and pathogen in bodily fluids (e.g., sweat, saliva, tears, and interstitial fluid). Another branch of WB termed wearable nucleic acid testing (NAT) is blossoming thanks to the development of microfluidic technology and isothermal nucleic acid amplification technique (iNAAT); however, there are only few reports on this. The wearable NAT is an emerging field of point-of-care (POC) diagnostics, and holds the promise for time-saving self-diagnosis, and evidence-based surveillance of infectious diseases in remote or low-resource settings. The use of wearable NAT can also be advanced to include molecular diagnosis, the identification of cancer biomarkers, genetic abnormalities, and other aspects. The wearable NAT provides the potential for evidence-based surveillance of infectious diseases when combined with internet connectivity and App software. To make the wearable NAT accessible to the end users, however, improvements must be made to the fabrication, cost, speed, sensitivity, specificity, sampling, iNAAT, analyzer, and a few other features. So, in this paper, we looked at the wearable NAT's most recent development, identified its difficulties, and defined its potential for managing infectious diseases quickly in the future. This is the wearable NAT review's first effort. We expect that this article will provide the concise resources needed to develop and deploy an efficient wearable NAT system.
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Affiliation(s)
- Gokul Chandra Biswas
- Department of Genetic Engineering and Biotechnology, School of Life Sciences, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh.
| | - Md Taufiqur Mannan Khan
- Department of Genetic Engineering and Biotechnology, School of Life Sciences, Shahjalal University of Science and Technology, Sylhet, 3114, Bangladesh
| | - Jagotamoy Das
- Department of Chemistry, Northwestern University, 2170 Campus Dr, Evanston, IL, 60208, USA.
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12
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Qian J, Zhang Q, Lu M. Integration of on-chip lysis and paper-based sensor for rapid detection of viral and exosomal RNAs. Biosens Bioelectron 2023; 226:115114. [PMID: 36753990 DOI: 10.1016/j.bios.2023.115114] [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: 11/03/2022] [Revised: 01/15/2023] [Accepted: 01/30/2023] [Indexed: 02/04/2023]
Abstract
In recent years, paper-based nucleic acid sensors have been demonstrated for the ability to detect DNA and RNA molecules extracted from viruses and bacteria. In clinical samples, these nucleic acids are mostly encapsulated in lipid membranes and need to be released before being analyzed using paper-based sensors. For the nucleic acid amplification tests (NAATs), it is also desirable to remove the interfering molecules that can inhibit the nucleic acid amplification. To achieve a field deployable NAAT, we report a portable sensor system that combines the thermolysis and paper-based NAATs to detect target RNA molecules carried by viral and exosomal nanoparticles. The sensor cartridge includes a lysis chamber with a pressure-controlled diaphragm valve, paper flow channels, and three paper-based NAAT reaction chambers to extract, transport, and detect nucleic acids respectively. A compact instrument was prototyped to automate the assay, collect fluorescence images of the nucleic acid amplification, and generate amplification curves for NAATs. The pump-free and paper-based sensor achieved quantitative analysis of influenza A virus (IAV) RNA and exosome microRNA within 1 h, with the lowest detect concentration of 104 TCID50/mL and 106 EV/mL for IAV and exosome, respectively. Owing to the advantages of easy storage, simple operation, and low cost, such as system has great potential to be used as a point-of-care test for in-field diagnosis of viral and bacterial infections.
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Affiliation(s)
- Jingjing Qian
- Department of Electrical and Computer Engineering, Iowa State University, Ames, IA 50011, USA
| | - Qinming Zhang
- Department of Electrical and Computer Engineering, Iowa State University, Ames, IA 50011, USA
| | - Meng Lu
- Department of Electrical and Computer Engineering, Iowa State University, Ames, IA 50011, USA; Department of Mechanical Engineering, Iowa State University, Ames, IA 50011, USA.
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13
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Sritong N, Sala de Medeiros M, Basing LA, Linnes JC. Promise and perils of paper-based point-of-care nucleic acid detection for endemic and pandemic pathogens. LAB ON A CHIP 2023; 23:888-912. [PMID: 36688463 PMCID: PMC10028599 DOI: 10.1039/d2lc00554a] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
From HIV and influenza to emerging pathogens like COVID-19, each new infectious disease outbreak has highlighted the need for massively-scalable testing that can be performed outside centralized laboratory settings at the point-of-care (POC) in order to prevent, track, and monitor endemic and pandemic threats. Nucleic acid amplification tests (NAATs) are highly sensitive and can be developed and scaled within weeks while protein-based rapid tests require months for production. Combining NAATs with paper-based detection platforms are promising due to the manufacturability, scalability, and simplicity of each of these components. Typically, paper-based NAATs consist of three sequential steps: sample collection and preparation, amplification of DNA or RNA from pathogens of interest, and detection. However, these exist within a larger ecosystem of sample collection and interpretation workflow, usability, and manufacturability which can be vastly perturbed during a pandemic emergence. This review aims to explore the challenges of paper-based NAATs covering sample-to-answer procedures along with three main types of clinical samples; blood, urine, and saliva, as well as broader operational, scale up, and regulatory aspects of device development and implementation. To fill the technological gaps in paper-based NAATs, a sample-in-result-out system that incorporates the integrated sample collection, sample preparation, and integrated internal amplification control while also balancing needs of users and manufacturability upfront in the early design process is required.
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Affiliation(s)
- Navaporn Sritong
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, USA.
| | | | - Laud Anthony Basing
- Department of Medical Diagnostics, Kwame Nkrumah University of Science and Technology, Kumasi, Ashanti, Ghana
| | - Jacqueline C Linnes
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN, USA.
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14
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Parween S, Asthana A, Nahar P. Fundamentals of Image-Based Assay (IBA) System for Affordable Point of Care Diagnostics. Microchem J 2022. [DOI: 10.1016/j.microc.2022.108345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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15
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Janghorban M, Aradanas I, Kazemi S, Ngaju P, Pandey R. Recent Advances, Opportunities, and Challenges in Developing Nucleic Acid Integrated Wearable Biosensors for Expanding the Capabilities of Wearable Technologies in Health Monitoring. BIOSENSORS 2022; 12:986. [PMID: 36354495 PMCID: PMC9688223 DOI: 10.3390/bios12110986] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 10/30/2022] [Accepted: 11/04/2022] [Indexed: 06/16/2023]
Abstract
Wearable biosensors are becoming increasingly popular due to the rise in demand for non-invasive, real-time monitoring of health and personalized medicine. Traditionally, wearable biosensors have explored protein-based enzymatic and affinity-based detection strategies. However, in the past decade, with the success of nucleic acid-based point-of-care diagnostics, a paradigm shift has been observed in integrating nucleic acid-based assays into wearable sensors, offering better stability, enhanced analytical performance, and better clinical applicability. This narrative review builds upon the current state and advances in utilizing nucleic acid-based assays, including oligonucleotides, nucleic acid, aptamers, and CRISPR-Cas, in wearable biosensing. The review also discusses the three fundamental blocks, i.e., fabrication requirements, biomolecule integration, and transduction mechanism, for creating nucleic acid integrated wearable biosensors.
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Affiliation(s)
- Mohammad Janghorban
- Department of Biomedical Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Irvyne Aradanas
- Department of Biomedical Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Sara Kazemi
- Department of Biomedical Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Philippa Ngaju
- Department of Biomedical Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Richa Pandey
- Department of Biomedical Engineering, University of Calgary, Calgary, AB T2N 1N4, Canada
- Hotchkiss Brain Institute, University of Calgary, Calgary, AB T2N 1N4, Canada
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16
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Portable and sensitive detection of miRNA in cerebral infarction through the DSN enzyme assisted dual signal recycles by using personal glucose meters (PGMs). Microchem J 2022. [DOI: 10.1016/j.microc.2022.107757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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17
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Jing L, Xie CY, Li QQ, Yao HF, Yang MQ, Li H, Xia F, Li SG. A Sandwich-type Lateral Flow Strip Using a Split, Single Aptamer for Point-of-Care Detection of Cocaine. JOURNAL OF ANALYSIS AND TESTING 2022. [DOI: 10.1007/s41664-022-00228-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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18
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Shiju TM, Tripura C, Saha P, Mansingh A, Challa V, Bhatnagar I, Nagesh N, Asthana A. Ready-to-Use Vertical Flow Paper Device for Instrument-Free Room Temperature Reverse Transcription. N Biotechnol 2022; 68:77-86. [PMID: 35150929 DOI: 10.1016/j.nbt.2022.02.001] [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: 09/21/2021] [Revised: 02/01/2022] [Accepted: 02/05/2022] [Indexed: 10/19/2022]
Abstract
Paper-based nucleic acid detection and diagnosis are currently gaining much interest in point-of-care (POC) applications. The major steps involved in any nucleic acid amplification testing (NAAT) based diagnostics are nucleic acid isolation, reverse transcription (RT) (in the case of RNA), amplification and detection. RT is an important step in quantifying the viral load in case of disease diagnosis as well as quantifying gene expression levels in other molecular studies. cDNA synthesis is routinely carried out using a thermal cycler, with the process requiring temperatures between 40ºC to 65ºC. Here we report for the first time an instrument-free RT, performed at room temperature on cellulose-based paper devices. cDNA synthesis on paper was confirmed by RT-PCR and Sanger sequencing of the PCR products. Purified RNA from varied sources such as cell lysate, tissue and blood were used to test the methodology. Synthetic hepatitis C virus (HCV) RNA and human blood RNA were used as proof-of-concept to demonstrate the use of these devices in diagnostic applications. Further, ready-to-use paper-based reverse transcription (PRT) devices have been developed, wherein only the RNA sample is added onto the device and the cDNA can be eluted after 30minutes of incubation at room temperature. The devices were found to be stable for 30 days at -20ºC storage. The cellulose-based PRT devices are simple, time saving and user-friendly for a complete instrument-free cDNA synthesis at room temperature.
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Affiliation(s)
- Thomas Michael Shiju
- CCMB-Annexe-II, Medical Biotechnology Complex, CSIR- Centre for Cellular & Molecular Biology, Uppal Road, Uppal, Hyderabad - 500 039, Telangana, India
| | - Chaturvedula Tripura
- CCMB-Annexe-II, Medical Biotechnology Complex, CSIR- Centre for Cellular & Molecular Biology, Uppal Road, Uppal, Hyderabad - 500 039, Telangana, India.
| | - Pritam Saha
- CCMB-Annexe-II, Medical Biotechnology Complex, CSIR- Centre for Cellular & Molecular Biology, Uppal Road, Uppal, Hyderabad - 500 039, Telangana, India
| | - Arushi Mansingh
- CCMB-Annexe-II, Medical Biotechnology Complex, CSIR- Centre for Cellular & Molecular Biology, Uppal Road, Uppal, Hyderabad - 500 039, Telangana, India
| | - Venkatapathi Challa
- CCMB-Annexe-II, Medical Biotechnology Complex, CSIR- Centre for Cellular & Molecular Biology, Uppal Road, Uppal, Hyderabad - 500 039, Telangana, India
| | - Ira Bhatnagar
- CCMB-Annexe-II, Medical Biotechnology Complex, CSIR- Centre for Cellular & Molecular Biology, Uppal Road, Uppal, Hyderabad - 500 039, Telangana, India
| | - Narayana Nagesh
- CCMB-Annexe-II, Medical Biotechnology Complex, CSIR- Centre for Cellular & Molecular Biology, Uppal Road, Uppal, Hyderabad - 500 039, Telangana, India
| | - Amit Asthana
- CCMB-Annexe-II, Medical Biotechnology Complex, CSIR- Centre for Cellular & Molecular Biology, Uppal Road, Uppal, Hyderabad - 500 039, Telangana, India; Department of Medical Devices, National Institute of Pharmaceutical Education And Research (NIPER), NH 9, Kukatpally Industrial Estate, Balanagar, Hyderabad - 500037, Telangana, India.
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19
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Jia Y, Sun H, Tian J, Song Q, Zhang W. Paper-Based Point-of-Care Testing of SARS-CoV-2. Front Bioeng Biotechnol 2021; 9:773304. [PMID: 34912791 PMCID: PMC8667078 DOI: 10.3389/fbioe.2021.773304] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Accepted: 11/10/2021] [Indexed: 12/20/2022] Open
Abstract
The COVID-19 pandemic has resulted in significant global social and economic disruption. The highly transmissive nature of the disease makes rapid and reliable detection critically important. Point-of-care (POC) tests involve performing diagnostic tests outside of a laboratory that produce a rapid and reliable result. It therefore allows the diagnostics of diseases at or near the patient site. Paper-based POC tests have been gaining interest in recent years as they allow rapid, low-cost detection without the need for external instruments. In this review, we focus on the development of paper-based POC devices for the detection of SARS-CoV-2. The review first introduces the principles of detection methods that are available to paper-based devices. It then summarizes the state-of-the-art paper devices and their analytical performances. The advantages and drawbacks among methods are also discussed. Finally, limitations of the existing devices are discussed, and prospects are given with the hope to identify research opportunities and directions in the field. We hope this review will be helpful for researchers to develop a clinically useful and economically efficient paper-based platform that can be used for rapid, accurate on-site diagnosis to aid in identifying acute infections and eventually contain the COVID-19 pandemic.
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Affiliation(s)
- Yuan Jia
- College of New Materials and New Energies, Shenzhen Technology University, Shenzhen, China
| | - Hao Sun
- School of Mechanical Engineering and Automation, Fuzhou University, Fuzhou, China
| | - Jinpeng Tian
- College of New Materials and New Energies, Shenzhen Technology University, Shenzhen, China
| | - Qiuming Song
- College of New Materials and New Energies, Shenzhen Technology University, Shenzhen, China
| | - Wenwei Zhang
- Sino-German College of Intelligent Manufacturing, Shenzhen Technology University, Shenzhen, China
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20
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Khaliliazar S, Toldrà A, Chondrogiannis G, Hamedi MM. Electroanalytical Paper-Based Nucleic Acid Amplification Biosensors with Integrated Thread Electrodes. Anal Chem 2021; 93:14187-14195. [PMID: 34648274 PMCID: PMC8552215 DOI: 10.1021/acs.analchem.1c02900] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Accepted: 10/06/2021] [Indexed: 11/28/2022]
Abstract
Nucleic acid amplification tests (NAATs) are very sensitive and specific methods, but they mainly rely on centralized laboratories and therefore are not suitable for point-of-care testing. Here, we present a 3D microfluidic paper-based electrochemical NAAT. These devices use off-the-shelf gold plasma-coated threads to integrate electroanalytical readouts using ex situ self-assembled monolayer formation on the threads prior to assembling into the paper device. They further include a sandwich hybridization assay with sample incubation, rinsing, and detection steps all integrated using movable stacks of filter papers to allow time-sequenced reactions. The devices use glass fiber substrates for storing recombinase polymerase amplification reagents and conducting the isothermal amplification. We used the paper-based device for the detection of the toxic microalgae Ostreopsis cf. ovata. The NAAT, completed in 95 min, attained a limit of detection of 0.06 pM target synthetic DNA and was able to detect 1 ng/μL O. cf. ovata genomic DNA with negligible cross-reactivity from a closely related microalgae species. We think that the integration of thread electrodes within paper-based devices paves the way for digital one-time use NAATs and numerous other advanced electroanalytical paper- or textile-based devices.
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Affiliation(s)
| | | | - Georgios Chondrogiannis
- School of Engineering Sciences
in Chemistry, Biotechnology, and Health, KTH Royal Institute of Technology, Teknikringen 56, Stockholm 10044, Sweden
| | - Mahiar Max Hamedi
- School of Engineering Sciences
in Chemistry, Biotechnology, and Health, KTH Royal Institute of Technology, Teknikringen 56, Stockholm 10044, Sweden
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21
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Lee D, Chu CH, Sarioglu AF. Point-of-Care Toolkit for Multiplex Molecular Diagnosis of SARS-CoV-2 and Influenza A and B Viruses. ACS Sens 2021; 6:3204-3213. [PMID: 34523904 PMCID: PMC8456773 DOI: 10.1021/acssensors.1c00702] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 08/24/2021] [Indexed: 12/23/2022]
Abstract
Severe acute respiratory syndrome-coronavirus 2 (SARS-CoV-2) is still spreading around the globe causing immense public health and socioeconomic problems. As the infection can progress with mild symptoms that can be misinterpreted as the flu, self-testing methods that can positively identify SARS-CoV-2 are needed to effectively track and prevent the transmission of the virus. In this work, we report a point-of-care toolkit for multiplex molecular diagnosis of SARS-CoV-2 and influenza A and B viruses in saliva samples. Our assay is physically programmed to run a sequence of chemical reactions on a paper substrate and internally generate heat to drive these reactions for an autonomous extraction, purification, and amplification of the viral RNA. Using our assay, we could reliably detect SARS-CoV-2 and influenza viruses at concentrations as low as 50 copies/μL visually from a colorimetric analysis. The capability to autonomously perform a traditionally labor-intensive genetic assay on a disposable platform will enable frequent, on-demand self-testing, a critical need to track and contain this and future outbreaks.
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Affiliation(s)
- Dohwan Lee
- School
of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Chia-Heng Chu
- School
of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - A. Fatih Sarioglu
- School
of Electrical and Computer Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
- Parker
H. Petit Institute for Bioengineering and Bioscience, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
- Institute
for Electronics and Nanotechnology, Georgia
Institute of Technology, Atlanta, Georgia 30332, United States
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22
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Perju A, Wongkaew N. Integrating high-performing electrochemical transducers in lateral flow assay. Anal Bioanal Chem 2021. [PMID: 33913001 DOI: 10.1007/s00216-021-03301-y/published] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/29/2023]
Abstract
Lateral flow assays (LFAs) are the best-performing and best-known point-of-care tests worldwide. Over the last decade, they have experienced an increasing interest by researchers towards improving their analytical performance while maintaining their robust assay platform. Commercially, visual and optical detection strategies dominate, but it is especially the research on integrating electrochemical (EC) approaches that may have a chance to significantly improve an LFA's performance that is needed in order to detect analytes reliably at lower concentrations than currently possible. In fact, EC-LFAs offer advantages in terms of quantitative determination, low-cost, high sensitivity, and even simple, label-free strategies. Here, the various configurations of EC-LFAs published are summarized and critically evaluated. In short, most of them rely on applying conventional transducers, e.g., screen-printed electrode, to ensure reliability of the assay, and additional advances are afforded by the beneficial features of nanomaterials. It is predicted that these will be further implemented in EC-LFAs as high-performance transducers. Considering the low cost of point-of-care devices, it becomes even more important to also identify strategies that efficiently integrate nanomaterials into EC-LFAs in a high-throughput manner while maintaining their favorable analytical performance. Graphical abstract.
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Affiliation(s)
- Antonia Perju
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053, Regensburg, Germany
| | - Nongnoot Wongkaew
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053, Regensburg, Germany.
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23
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Ahmadi A, Mousavi A, Salimizand H, Hedayati MA, Ramazanzadeh R, Farhadifar F, Khodabandehloo M, Roshani D, Taherpour A. Prevalence of Neisseria gonorrhoeae in the west of Iran. Jpn J Infect Dis 2021; 75:1-4. [PMID: 34053955 DOI: 10.7883/yoken.jjid.2021.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Neisseria gonorrhoeae (N. gonorrhoeae) is one of the causing factors of sexually transmitted diseases (STDs). This bacterium infects the epithelial cells of the cervix of women and urethra of men. However, the symptoms in the lower genitalia are found only in a small percentage of people. The aim of this study was comparing the frequency of N. gonorrhoeae genital infection among two groups of pregnant women (spontaneous abortion and normal pregnancy).This cross-sectional study was performed in the west of Iran. This study was performed on 417 women who consisted of 109 spontaneous abortions, 109 normal deliveries, 100 fertilities and 99 infertile women. Specific primers were used and DNA was extracted by endocervical swabs; then a Polymerase chain reaction (PCR) test was done for detection of N. gonorrhoeae. Data analysis was carried out using Chi-Square Test and t-Test. In all of the above-said steps, a level of 5% was considered significant.The average age in women with normal delivery (27.8±4.87) in women with spontaneous abortion (29.6±5.9) in fertile women (32.1±5.1) and in infertile women were (29.1±6.3). The total frequency of N. gonorrhea infection was 0 (0%). Prevalence of N. gonorrhoeae infection was zero; also it was not associated with spontaneous abortion and infertility.
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Affiliation(s)
- Amjad Ahmadi
- Cellular and Molecular Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Iran.,Department of Microbiology, Faculty of Medicine, Kurdistan University of Medical Sciences, Iran
| | - Atefeh Mousavi
- Department of Microbiology, Faculty of Medicine, Kurdistan University of Medical Sciences, Iran
| | - Himen Salimizand
- Cellular and Molecular Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Iran.,Department of Microbiology, Faculty of Medicine, Kurdistan University of Medical Sciences, Iran.,Liver and Digestive Research Center, Research Institute for Health Development Kurdistan University of Medical Sciences, Iran
| | - Manouchehr Ahmadi Hedayati
- Department of Microbiology, Faculty of Medicine, Kurdistan University of Medical Sciences, Iran.,Liver and Digestive Research Center, Research Institute for Health Development Kurdistan University of Medical Sciences, Iran
| | - Rashid Ramazanzadeh
- Cellular and Molecular Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Iran.,Department of Microbiology, Faculty of Medicine, Kurdistan University of Medical Sciences, Iran
| | - Fariba Farhadifar
- Social Determinants of Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Iran
| | - Mazaher Khodabandehloo
- Cellular and Molecular Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Iran.,Department of Microbiology, Faculty of Medicine, Kurdistan University of Medical Sciences, Iran
| | - Daem Roshani
- Social Determinants of Health Research Center, Research Institute for Health Development, Kurdistan University of Medical Sciences, Iran
| | - Arezou Taherpour
- Department of Microbiology, Faculty of Medicine, Kurdistan University of Medical Sciences, Iran
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24
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Perju A, Wongkaew N. Integrating high-performing electrochemical transducers in lateral flow assay. Anal Bioanal Chem 2021; 413:5535-5549. [PMID: 33913001 PMCID: PMC8410735 DOI: 10.1007/s00216-021-03301-y] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 03/14/2021] [Accepted: 03/17/2021] [Indexed: 12/04/2022]
Abstract
Lateral flow assays (LFAs) are the best-performing and best-known point-of-care tests worldwide. Over the last decade, they have experienced an increasing interest by researchers towards improving their analytical performance while maintaining their robust assay platform. Commercially, visual and optical detection strategies dominate, but it is especially the research on integrating electrochemical (EC) approaches that may have a chance to significantly improve an LFA’s performance that is needed in order to detect analytes reliably at lower concentrations than currently possible. In fact, EC-LFAs offer advantages in terms of quantitative determination, low-cost, high sensitivity, and even simple, label-free strategies. Here, the various configurations of EC-LFAs published are summarized and critically evaluated. In short, most of them rely on applying conventional transducers, e.g., screen-printed electrode, to ensure reliability of the assay, and additional advances are afforded by the beneficial features of nanomaterials. It is predicted that these will be further implemented in EC-LFAs as high-performance transducers. Considering the low cost of point-of-care devices, it becomes even more important to also identify strategies that efficiently integrate nanomaterials into EC-LFAs in a high-throughput manner while maintaining their favorable analytical performance. Graphical abstract ![]()
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Affiliation(s)
- Antonia Perju
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053, Regensburg, Germany
| | - Nongnoot Wongkaew
- Institute of Analytical Chemistry, Chemo- and Biosensors, University of Regensburg, 93053, Regensburg, Germany.
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25
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Suea‐Ngam A, Choopara I, Li S, Schmelcher M, Somboonna N, Howes PD, deMello AJ. In Situ Nucleic Acid Amplification and Ultrasensitive Colorimetric Readout in a Paper-Based Analytical Device Using Silver Nanoplates. Adv Healthc Mater 2021; 10:e2001755. [PMID: 33251714 DOI: 10.1002/adhm.202001755] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 11/04/2020] [Indexed: 12/16/2022]
Abstract
A rapid, highly sensitive, and quantitative colorimetric paper-based analytical device (PAD) based on silver nanoplates (AgNPls) and loop-mediated isothermal amplification (LAMP) is presented. It is shown that cauliflower-like concatemer LAMP products can mediate crystal etching of AgNPls, with a threefold signal enhancement versus linear dsDNA. Methicillin-resistant Staphylococcus aureus (MRSA), an antimicrobial resistant bacterium that poses a formidable risk with persistently high mortality, is used as a model pathogen. Due to the excellent color contrast provided by AgNPls, the PAD allows qualitative analysis by the naked eye and quantitative analysis using a smartphone camera, with detection limits down to a single copy in just 30 min, and a linear response from 1 to 104 copies (R2 = 0.994). The entire assay runs in situ on the paper surface, which drastically simplifies operation of the device. This is the first demonstration of single copy detection using a colorimetric readout, and the developed PAD shows great promise for translation into an ultrasensitive gene-based point-of-care test for any infectious disease target, via modification of the LAMP primer set.
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Affiliation(s)
- Akkapol Suea‐Ngam
- Institute for Chemical and Bioengineering Department of Chemistry and Applied Biosciences ETH Zürich Zürich 8093 Switzerland
| | - Ilada Choopara
- Program in Biotechnology Faculty of Science Chulalongkorn University Bangkok 10330 Thailand
| | - Shangkun Li
- Institute for Chemical and Bioengineering Department of Chemistry and Applied Biosciences ETH Zürich Zürich 8093 Switzerland
| | - Mathias Schmelcher
- Institute of Food, Nutrition and Health ETH Zürich Zürich 8092 Switzerland
| | - Naraporn Somboonna
- Department of Microbiology Faculty of Science Chulalongkorn University Bangkok 10330 Thailand
- Microbiome Research Unit for Probiotics in Food and Cosmetics Chulalongkorn University Bangkok 10330 Thailand
| | - Philip D. Howes
- Institute for Chemical and Bioengineering Department of Chemistry and Applied Biosciences ETH Zürich Zürich 8093 Switzerland
| | - Andrew J. deMello
- Institute for Chemical and Bioengineering Department of Chemistry and Applied Biosciences ETH Zürich Zürich 8093 Switzerland
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26
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Chondrogiannis G, Khaliliazar S, Toldrà A, Réu P, Hamedi MM. Nitrocellulose-bound achromopeptidase for point-of-care nucleic acid tests. Sci Rep 2021; 11:6140. [PMID: 33731748 PMCID: PMC7969615 DOI: 10.1038/s41598-021-85481-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2021] [Accepted: 02/24/2021] [Indexed: 11/23/2022] Open
Abstract
Enzymes are the cornerstone of modern biotechnology. Achromopeptidase (ACP) is a well-known enzyme that hydrolyzes a number of proteins, notably proteins on the surface of Gram-positive bacteria. It is therefore used for sample preparation in nucleic acid tests. However, ACP inhibits DNA amplification which makes its integration difficult. Heat is commonly used to inactivate ACP, but it can be challenging to integrate heating into point-of-care devices. Here, we use recombinase polymerase amplification (RPA) together with ACP, and show that when ACP is immobilized on nitrocellulose paper, it retains its enzymatic function and can easily and rapidly be activated using agitation. The nitrocellulose-bound ACP does, however, not leak into the solution, preventing the need for deactivation through heat or by other means. Nitrocellulose-bound ACP thus opens new possibilities for paper-based Point-of-Care (POC) devices.
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Affiliation(s)
- Georgios Chondrogiannis
- School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Shirin Khaliliazar
- School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Anna Toldrà
- School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Pedro Réu
- School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, Sweden.
| | - Mahiar M Hamedi
- School of Engineering Sciences in Chemistry, Biotechnology and Health, KTH Royal Institute of Technology, Stockholm, Sweden.
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27
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Zheng C, Wang K, Zheng W, Cheng Y, Li T, Cao B, Jin Q, Cui D. Rapid developments in lateral flow immunoassay for nucleic acid detection. Analyst 2021; 146:1514-1528. [PMID: 33595550 DOI: 10.1039/d0an02150d] [Citation(s) in RCA: 41] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Recently, lateral flow assay (LFA) for nucleic acid detection has drawn increasing attention in the point-of-care testing fields. Due to its rapidity, easy implementation, and low equipment requirement, it is well suited for use in rapid diagnosis, food authentication, and environmental monitoring under source-limited conditions. This review will discuss two main research directions of lateral flow nucleic acid tests. The first one is the incorporation of isothermal amplification methods with LFA, which ensures an ultra-high testing sensitivity under non-laboratory conditions. The two most commonly used methodologies will be discussed, namely Loop-mediated Isothermal Amplification (LAMP) and Recombinase Polymerase Amplification (RPA), and some novel methods with special properties will also be introduced. The second research direction is the development of novel labeling materials. It endeavors to increase the sensitivity and quantifiability of LFA testing, where signals can be read and analyzed by portable devices. These methods are compared in terms of limits of detection, detection times, and quantifiabilities. It is anticipated that future research on lateral flow nucleic acid tests will focus on the integration of the whole testing process into a microfluidic system and the combination with molecular diagnostic tools such as clustered regularly interspaced short palindromic repeats to facilitate a rapid and accurate test.
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Affiliation(s)
- Chujun Zheng
- Department of Instrument Science and Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai Engineering Research Center for Intelligent diagnosis and treatment instrument, Key Laboratory of Thin Film and Microfabrication Technology (Ministry of Education), Shanghai 200240, China.
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Brunauer A, Verboket RD, Kainz DM, von Stetten F, Früh SM. Rapid Detection of Pathogens in Wound Exudate via Nucleic Acid Lateral Flow Immunoassay. BIOSENSORS-BASEL 2021; 11:bios11030074. [PMID: 33800856 PMCID: PMC8035659 DOI: 10.3390/bios11030074] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 02/24/2021] [Accepted: 03/03/2021] [Indexed: 12/15/2022]
Abstract
The rapid detection of pathogens in infected wounds can significantly improve the clinical outcome. Wound exudate, which can be collected in a non-invasive way, offers an attractive sample material for the detection of pathogens at the point-of-care (POC). Here, we report the development of a nucleic acid lateral flow immunoassay for direct detection of isothermally amplified DNA combined with fast sample preparation. The streamlined protocol was evaluated using human wound exudate spiked with the opportunistic pathogen Pseudomonas aeruginosa that cause severe health issues upon wound colonization. A detection limit of 2.1 × 105 CFU per mL of wound fluid was achieved, and no cross-reaction with other pathogens was observed. Furthermore, we integrated an internal amplification control that excludes false negative results and, in combination with the flow control, ensures the validity of the test result. The paper-based approach with only three simple hands-on steps has a turn-around time of less than 30 min and covers the complete analytical process chain from sample to answer. This newly developed workflow for wound fluid diagnostics has tremendous potential for reliable pathogen POC testing and subsequent target-oriented therapy.
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Affiliation(s)
- Anna Brunauer
- Laboratory for MEMS Applications, IMTEK-Department of Microsystems Engineering, University of Freiburg, Georges-Koehler-Allee 103, 79110 Freiburg, Germany
| | - René D Verboket
- Department of Trauma-, Hand- and Reconstructive Surgery, University Hospital Frankfurt, Johann Wolfgang Goethe University, Theodor-Stern-Kai 7, 60590 Frankfurt am Main, Germany
| | - Daniel M Kainz
- Laboratory for MEMS Applications, IMTEK-Department of Microsystems Engineering, University of Freiburg, Georges-Koehler-Allee 103, 79110 Freiburg, Germany
- Hahn-Schickard, Georges-Koehler-Allee 103, 79110 Freiburg, Germany
| | - Felix von Stetten
- Laboratory for MEMS Applications, IMTEK-Department of Microsystems Engineering, University of Freiburg, Georges-Koehler-Allee 103, 79110 Freiburg, Germany
- Hahn-Schickard, Georges-Koehler-Allee 103, 79110 Freiburg, Germany
| | - Susanna M Früh
- Laboratory for MEMS Applications, IMTEK-Department of Microsystems Engineering, University of Freiburg, Georges-Koehler-Allee 103, 79110 Freiburg, Germany
- Hahn-Schickard, Georges-Koehler-Allee 103, 79110 Freiburg, Germany
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29
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Li S, Meng HM, Zong H, Chen J, Li J, Zhang L, Li Z. Entropy-driven amplification strategy-assisted lateral flow assay biosensor for ultrasensitive and convenient detection of nucleic acids. Analyst 2021; 146:1668-1674. [PMID: 33475625 DOI: 10.1039/d0an02273j] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Accurate, sensitive and rapid nucleic acid tests are important to implement timely treatment measures and control the spread of disease. Herein, we developed a novel portable platform for highly sensitive and specific detection of nucleic acids by integrating an entropy-driven amplification strategy into lateral flow assay (LFA) biosensor. We find that introducing an entropy-driven amplification strategy yields bright intensities on the test line of LFA stirp, which results in improved sensitivity for targeted nucleic acid detection. The developed LFA biosensor showed good reproducibility, specificity and sensitivity for target DNA and H1N1-RNA detection with a low detection limit of 1.43 pM and 2.02 pM, respectively. Its practical potential was also verified by detecting the target nucleic acid in human serum. More importantly, the design of an entropy-driven amplification strategy in this portable platform retained the convenient, rapid and low-cost characterizations of LFA biosensor due to the compact amplification principle and the elimination of enzyme use. Thus, we believe that this assay biosensor will certainly report its own position in the timely detection of nucleic acid, especially when the medical environment and resources are fewer.
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Affiliation(s)
- Shasha Li
- College of Chemistry, Green Catalysis Center, Henan Joint International Research Laboratory of Green Construction of Functional Molecules and Their Bioanalytical Applications, Zhengzhou Key Laboratory of Functional Nanomaterial and Medical Theranostic, Zhengzhou University, Zhengzhou 450001, China
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30
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Jiang K, Jokhun DS, Lim CT. Microfluidic detection of human diseases: From liquid biopsy to COVID-19 diagnosis. J Biomech 2021; 117:110235. [PMID: 33486262 PMCID: PMC7832952 DOI: 10.1016/j.jbiomech.2021.110235] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Accepted: 01/04/2021] [Indexed: 12/12/2022]
Abstract
Microfluidic devices can be thought of as comprising interconnected miniaturized compartments performing multiple experimental tasks individually or in parallel in an integrated fashion. Due to its small size, portability, and low cost, attempts have been made to incorporate detection assays into microfluidic platforms for diseases such as cancer and infection. Some of these technologies have served as point-of-care and sample-to-answer devices. The methods for detecting biomarkers in different diseases usually share similar principles and can conveniently be adapted to cope with arising health challenges. The COVID-19 pandemic is one such challenge that is testing the performance of both our conventional and newly-developed disease diagnostic technologies. In this mini-review, we will first look at the progress made in the past few years in applying microfluidics for liquid biopsy and infectious disease detection. Following that, we will use the current pandemic as an example to discuss how such technological advancements can help in the current health challenge and better prepare us for future ones.
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Affiliation(s)
- Kuan Jiang
- Mechanobiology Institute, National University of Singapore, Singapore
| | | | - Chwee Teck Lim
- Mechanobiology Institute, National University of Singapore, Singapore; Department of Biomedical Engineering, National University of Singapore, Singapore; Institute for Health Innovation and Technology (iHealthtech), National University of Singapore, Singapore.
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31
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Paper-Based Molecular Diagnostics. Bioanalysis 2021. [DOI: 10.1007/978-981-15-8723-8_8] [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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32
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Wang L, He K, Sadak O, Wang X, Wang Q, Xu X. Visual detection of in vitro nucleic acid replication by submicro- and nano-sized materials. Biosens Bioelectron 2020; 169:112602. [PMID: 32947078 DOI: 10.1016/j.bios.2020.112602] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 08/29/2020] [Accepted: 09/06/2020] [Indexed: 12/15/2022]
Abstract
The rapid growth of in vitro nucleic acid replication has offered a powerful tool for clinical diagnosis, food safety detection and environmental monitorning. Successful implementation of various isothermal nucleic acid amplification methods enables rapid replication of target sequences without the participant of a thermal cycler. Point-of-need analysis possesses great superiorities in user-friendly, instant results analysis, low manufacturing, and consumable costs. To meet the great challenge of point-of-need analysis, developing simple and rapid visual methods becomes crucial. Submicro- and nanomaterials possess unique surface properties, which enables their rapid response to DNA amplicons. Their unique optical, magnetic, catalytic, and other physical/chemical properties have been frequently employed for the visual detection of in vitro nucleic acid replications. Herein, we aim to review the submicro- and nanomaterials-based visual methods for detection of nucleic acid amplification. The visual methods are classified according to the designing strategies (e.g. LSPR, bridging flocculation, luminescence, catalytic reaction, separation, etc.). The basic principles, merits and drawbacks of each strategy are described. The application in analysis of nucleic acid targets and non-nucleic acid targets are discussed. The main challenges and future research directions are also highlighted in this rapidly emerging field.
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Affiliation(s)
- Liu Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Quality and Standard for Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - Kaiyu He
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Quality and Standard for Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - Omer Sadak
- Department of Electrical and Electronics Engineering, Ardahan University, 75000, Turkey
| | - Xinquan Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Quality and Standard for Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China.
| | - Qiang Wang
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Quality and Standard for Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China
| | - Xiahong Xu
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products, Institute of Quality and Standard for Agro-products, Zhejiang Academy of Agricultural Sciences, Hangzhou, 310021, China.
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33
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Khorasani A, Chegini A, Mirzaei A. New Insight into Laboratory Tests and Imaging Modalities for Fast and Accurate Diagnosis of COVID-19: Alternative Suggestions for Routine RT-PCR and CT-A Literature Review. Can Respir J 2020; 2020:4648307. [PMID: 33354252 PMCID: PMC7737466 DOI: 10.1155/2020/4648307] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Accepted: 11/11/2020] [Indexed: 02/07/2023] Open
Abstract
The globally inimitable and unremitting outbreak of COVID-19 infection confirmed the emergency need for critical detection of human coronavirus infections. Laboratory diagnostic tests and imaging modalities are two test groups used for the detection of COVID-19. Nowadays, real-time polymerase chain reaction (RT-PCR) and computed tomography (CT) have been frequently utilized in the clinic. Some limitations that confront with these tests are false-negative results, tests redone for follow-up procedure, high cost, and unable to do for all patients. To overcome these limitations, modified and alternative tests must be considered. Among these tests, RdRp/Hel RT-PCR assay had the lowest diagnostic limitation and highest sensitivity and specificity for the detection of SARS-CoV-2 RNA in both respiratory tract and nonrespiratory tract clinical specimens. On the other hand, lung ultrasound (LUS) and magnetic resonance imaging (MRI) are CT-alternative imaging modalities for the management, screening, and follow-up of COVID-19 patients.
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Affiliation(s)
- Amir Khorasani
- Department of Medical Physics, Faculty of Medicine, Isfahan University of Medical Science, Isfahan, Iran
| | - Amir Chegini
- Faculty of Medicine, Semnan University of Medical Science, Semnan, Iran
| | - Arezoo Mirzaei
- Department of Bacteriology and Virology, Faculty of Medicine, Isfahan University of Medical Science, Isfahan, Iran
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34
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Affiliation(s)
- M Sreepadmanabh
- Molecular Virology Laboratory, Indian Institute of Science Education and Research, Bhopal, India
| | - Amit Kumar Sahu
- Molecular Virology Laboratory, Indian Institute of Science Education and Research, Bhopal, India
| | - Ajit Chande
- Molecular Virology Laboratory, Indian Institute of Science Education and Research, Bhopal, India
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35
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Lu HW, Sakamuri R, Kumar P, Ferguson TM, Doebler RW, Herrington KD, Talbot RP, Weigel KM, Nguyen FK, Cangelosi GA, Narita M, Boyle DS, Niemz A. Integrated nucleic acid testing system to enable TB diagnosis in peripheral settings. LAB ON A CHIP 2020; 20:4071-4081. [PMID: 33021611 PMCID: PMC7787164 DOI: 10.1039/d0lc00445f] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
To facilitate treatment and limit transmission of tuberculosis (TB), new methods are needed to enable rapid and affordable diagnosis of the disease in high-burden low-resource settings. We have developed a prototype integrated nucleic acid testing device to detect Mycobacterium tuberculosis (M.tb) in sputum. The device consists of a disposable cartridge and compact, inexpensive instrument that automates pathogen lysis, nucleic acid extraction, isothermal DNA amplification and lateral flow detection. A liquefied and disinfected sputum sample is manually injected into the cartridge, and all other steps are automated, with a result provided in <1.5 h. Cell disruption and DNA extraction is executed within a four-port active valve containing a miniature bead blender (based on PureLyse® technology, Claremont BioSolutions LLC). The DNA-containing eluate is combined with dry master-mix reagents and target DNA is isothermally amplified. Amplified master-mix is then pumped into a lateral flow strip chamber for detection. The entire process is performed in a single-use closed-system cartridge to prevent amplicon carryover. For testing of M.tb-spiked sputum the system provided a limit of detection of 5 × 103 colony forming units (CFU) per mL. None of the negative sputum-only controls yielded a false-positive result. Testing of 45 clinical sputum specimens from TB cases and controls relative to a validated manual qPCR-based comparator method revealed a preliminary sensitivity of 90% and specificity of 96%. With further development, the herein described integrated nucleic acid testing device can enable TB diagnosis and treatment initiation in the same clinical encounter in near-patient low-resource settings of high TB burden countries.
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Affiliation(s)
- Hsiang-Wei Lu
- Riggs School of Applied Life Sciences, Keck Graduate Institute, 535 Watson Drive, Claremont, CA 91711, USA.
| | - Rama Sakamuri
- Riggs School of Applied Life Sciences, Keck Graduate Institute, 535 Watson Drive, Claremont, CA 91711, USA.
| | - Pranav Kumar
- Riggs School of Applied Life Sciences, Keck Graduate Institute, 535 Watson Drive, Claremont, CA 91711, USA.
| | - Tanya M Ferguson
- Claremont BioSolutions, 1182 Monte Vista Ave # 11, Upland, CA 91786, USA
| | - Robert W Doebler
- Claremont BioSolutions, 1182 Monte Vista Ave # 11, Upland, CA 91786, USA
| | - Keith D Herrington
- Claremont BioSolutions, 1182 Monte Vista Ave # 11, Upland, CA 91786, USA
| | - Ryan P Talbot
- Claremont BioSolutions, 1182 Monte Vista Ave # 11, Upland, CA 91786, USA
| | - Kris M Weigel
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA 98195, USA
| | - Felicia K Nguyen
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA 98195, USA
| | - Gerard A Cangelosi
- Department of Environmental and Occupational Health Sciences, University of Washington, Seattle, WA 98195, USA
| | - Masahiro Narita
- Seattle & King County Tuberculosis Control Clinic, Harborview Medical Center, 325 9th Ave, Seattle, WA 98104, USA
| | | | - Angelika Niemz
- Riggs School of Applied Life Sciences, Keck Graduate Institute, 535 Watson Drive, Claremont, CA 91711, USA.
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36
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Murray LP, Mace CR. Usability as a guiding principle for the design of paper-based, point-of-care devices - A review. Anal Chim Acta 2020; 1140:236-249. [PMID: 33218486 DOI: 10.1016/j.aca.2020.09.063] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 09/28/2020] [Accepted: 09/30/2020] [Indexed: 12/14/2022]
Abstract
Due to their portability, versatility for supporting multiple assay formats, and potential for resulting in low-cost assays, paper-based analytical devices (PADs) are an increasingly popular format as a platform for the development of point-of-care tests. However, very few PADs have been translated successfully to their intended environments outside of academic settings. Often overlooked as a factor that inhibits translation, usability is a vital characteristic of any successful point-of-care test. Recent advancements in PAD design have demonstrated improved usability by simplifying various aspects of user operation, including sample collection, sample processing, device operation, detection, and readout/interpretation. Field testing at various stages of device design can offer critical feedback about device usability, especially when it involves the proposed end-user or other stakeholders. By highlighting advances in usability, we aim to encourage thoughtful and rigorous design at the academic prototyping stage to address one outstanding hurdle that limits the number of PADs that make it from the benchtop to the point-of-care.
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Affiliation(s)
- Lara P Murray
- Department of Chemistry, Tufts University, Medford, MA, 02155, USA
| | - Charles R Mace
- Department of Chemistry, Tufts University, Medford, MA, 02155, USA.
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37
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Soler M, Estevez MC, Cardenosa-Rubio M, Astua A, Lechuga LM. How Nanophotonic Label-Free Biosensors Can Contribute to Rapid and Massive Diagnostics of Respiratory Virus Infections: COVID-19 Case. ACS Sens 2020; 5:2663-2678. [PMID: 32786383 PMCID: PMC7447078 DOI: 10.1021/acssensors.0c01180] [Citation(s) in RCA: 71] [Impact Index Per Article: 17.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 08/07/2020] [Indexed: 12/23/2022]
Abstract
The global sanitary crisis caused by the emergence of the respiratory virus SARS-CoV-2 and the COVID-19 outbreak has revealed the urgent need for rapid, accurate, and affordable diagnostic tests to broadly and massively monitor the population in order to properly manage and control the spread of the pandemic. Current diagnostic techniques essentially rely on polymerase chain reaction (PCR) tests, which provide the required sensitivity and specificity. However, its relatively long time-to-result, including sample transport to a specialized laboratory, delays massive detection. Rapid lateral flow tests (both antigen and serological tests) are a remarkable alternative for rapid point-of-care diagnostics, but they exhibit critical limitations as they do not always achieve the required sensitivity for reliable diagnostics and surveillance. Next-generation diagnostic tools capable of overcoming all the above limitations are in demand, and optical biosensors are an excellent option to surpass such critical issues. Label-free nanophotonic biosensors offer high sensitivity and operational robustness with an enormous potential for integration in compact autonomous devices to be delivered out-of-the-lab at the point-of-care (POC). Taking the current COVID-19 pandemic as a critical case scenario, we provide an overview of the diagnostic techniques for respiratory viruses and analyze how nanophotonic biosensors can contribute to improving such diagnostics. We review the ongoing published work using this biosensor technology for intact virus detection, nucleic acid detection or serological tests, and the key factors for bringing nanophotonic POC biosensors to accurate and effective COVID-19 diagnosis on the short term.
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Affiliation(s)
| | | | - Maria Cardenosa-Rubio
- Nanobiosensors and Bioanalytical Applications (NanoB2A),
Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, BIST and
CIBER-BBN, 08193 Bellaterra, Barcelona, Spain
| | - Alejandro Astua
- Nanobiosensors and Bioanalytical Applications (NanoB2A),
Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, BIST and
CIBER-BBN, 08193 Bellaterra, Barcelona, Spain
| | - Laura M. Lechuga
- Nanobiosensors and Bioanalytical Applications (NanoB2A),
Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC, BIST and
CIBER-BBN, 08193 Bellaterra, Barcelona, Spain
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38
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Liu M, Zhao Y, Monshat H, Tang Z, Wu Z, Zhang Q, Lu M. An IoT-enabled paper sensor platform for real-time analysis of isothermal nucleic acid amplification tests. Biosens Bioelectron 2020; 169:112651. [PMID: 33002794 DOI: 10.1016/j.bios.2020.112651] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/02/2020] [Accepted: 09/23/2020] [Indexed: 12/26/2022]
Abstract
Paper-based sensors can be exploited to develop low-cost, disposable, and rapid assays for the detection of a large variety of analytes. We report a paper-based sensor system for a point-of-care (POC) nucleic acid amplification test that can quantitatively detect multiple genes from different pathogens. The POC system combines a paper sensor chip and a portable instrument, which is built on an Internet of Things (IoT) platform. The paper-based sensor provides the functions of reagent storage, sample transportation, and nucleic acid amplification. The IoT instrument uses an Arduino microcontroller to control temperature, collect fluorescence images, and store the data in cloud storage via a WiFi network. A compact fluorescence reader was designed to measure fluorescence images of the amplicons during a loop-mediated isothermal amplification reaction in real-time. The real-time detection capability enables the quantitative analysis of target genes. The results show that the paper-based sensor cam distinguish multiple genes of the genomic DNA extracted from Escherichia coli and Campylobacter jejuni, with the concentration as low as 2 × 103 copies/μL. The affordable instrument, in conjunction with the disposable paper sensor chip, would have a great potential for POC detections of pathogens.
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Affiliation(s)
- Mingdian Liu
- Department of Electrical and Computer Engineering, Iowa State University, Ames, IA, 50011, USA
| | - Yuxin Zhao
- Department of Chemical and Biological Engineering, Iowa State University, Ames, IA, 50011, USA
| | - Hosein Monshat
- Department of Mechanical Engineering, Iowa State University, Ames, IA, 50011, USA
| | - Zheyuan Tang
- Department of Electrical and Computer Engineering, Iowa State University, Ames, IA, 50011, USA
| | - Zuowei Wu
- Department of Veterinary Microbiology and Preventive Medicine, Iowa State University, Ames, IA, 50011, USA
| | - Qijing Zhang
- Department of Veterinary Microbiology and Preventive Medicine, Iowa State University, Ames, IA, 50011, USA
| | - Meng Lu
- Department of Electrical and Computer Engineering, Iowa State University, Ames, IA, 50011, USA; Department of Mechanical Engineering, Iowa State University, Ames, IA, 50011, USA.
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39
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Kaur N, Thota N, Toley BJ. A stoichiometric and pseudo kinetic model of loop mediated isothermal amplification. Comput Struct Biotechnol J 2020; 18:2336-2346. [PMID: 32994892 PMCID: PMC7493047 DOI: 10.1016/j.csbj.2020.08.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Revised: 08/22/2020] [Accepted: 08/23/2020] [Indexed: 01/15/2023] Open
Abstract
Loop mediated isothermal amplification (LAMP) is one of the most popular isothermal DNA amplification techniques for research and commercial applications, enabling amplification of both DNA and RNA (with the assistance of reverse transcriptase). The LAMP mechanism is powered by strategic primer design and a strand displacement polymerase, generating products that fold over, creating loops. LAMP leads to generation of products of increasing length over time. These products containing multiple loops are conventionally called cauliflower structures. Existing literature on LAMP provides extremely limited understanding of progression of cascades of reactions involved in the reaction and it is believed that cauliflower structures of increasing length constitute a majority of the product formed in LAMP. This study presents a first of its kind stoichiometric and pseudo kinetic model to comprehend LAMP reactions in deeper depth by (i) classifying LAMP reaction products into uniquely identifiable categories, (ii) generating a condensed reaction network to depict millions of interconnected reactions occurring during LAMP, and (iii) elucidating the pathways for amplicon generation. Despite the inherent limitations of conventional stoichiometric modelling for polymerization type reactions (the network rapidly becomes too large and intractable), our model provides new theoretical understanding of the LAMP reaction pathway. The model shows that while longer length products are formed, it is the smaller length recycle amplicons that contribute more towards the exponential increase in the amount of double stranded DNA. Prediction of concentration of different types of LAMP amplicons will also contribute substantially towards informing design of probe-based assays.
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Affiliation(s)
- Navjot Kaur
- Department of Chemical Engineering, Indian Institute of Science, Bangalore 560012 India
| | - Nikhil Thota
- Department of Chemical Engineering, Indian Institute of Science, Bangalore 560012 India
| | - Bhushan J Toley
- Department of Chemical Engineering, Indian Institute of Science, Bangalore 560012 India
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40
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Shanmugakani RK, Srinivasan B, Glesby MJ, Westblade LF, Cárdenas WB, Raj T, Erickson D, Mehta S. Current state of the art in rapid diagnostics for antimicrobial resistance. LAB ON A CHIP 2020; 20:2607-2625. [PMID: 32644060 PMCID: PMC7428068 DOI: 10.1039/d0lc00034e] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
Antimicrobial resistance (AMR) is a fundamental global concern analogous to climate change threatening both public health and global development progress. Infections caused by antimicrobial-resistant pathogens pose serious threats to healthcare and human capital. If the increasing rate of AMR is left uncontrolled, it is estimated that it will lead to 10 million deaths annually by 2050. This global epidemic of AMR necessitates radical interdisciplinary solutions to better detect antimicrobial susceptibility and manage infections. Rapid diagnostics that can identify antimicrobial-resistant pathogens to assist clinicians and health workers in initiating appropriate treatment are critical for antimicrobial stewardship. In this review, we summarize different technologies applied for the development of rapid diagnostics for AMR and antimicrobial susceptibility testing (AST). We briefly describe the single-cell technologies that were developed to hasten the AST of infectious pathogens. Then, the different types of genotypic and phenotypic techniques and the commercially available rapid diagnostics for AMR are discussed in detail. We conclude by addressing the potential of current rapid diagnostic systems being developed as point-of-care (POC) diagnostic tools and the challenges to adapt them at the POC level. Overall, this review provides an insight into the current status of rapid and POC diagnostic systems for AMR.
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Affiliation(s)
- Rathina Kumar Shanmugakani
- Institute for Nutritional Sciences, Global Health, and Technology, Cornell University, Ithaca, New York, USA
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
| | - Balaji Srinivasan
- Institute for Nutritional Sciences, Global Health, and Technology, Cornell University, Ithaca, New York, USA
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
| | - Marshall J. Glesby
- Division of Infectious Diseases, Department of Medicine, Weill Cornell Medicine, New York, New York, USA
| | - Lars F. Westblade
- Division of Infectious Diseases, Department of Medicine, Weill Cornell Medicine, New York, New York, USA
- Department of Pathology and Laboratory Medicine, Weill Cornell Medicine, New York, New York, USA
| | - Washington B. Cárdenas
- Laboratorio para Investigaciones Biomédicas, Escuela Superior Politécnica del Litoral, Guayaquil, Guayas, Ecuador
| | - Tony Raj
- St. John’s Research Institute, Bangalore, Karnataka, India
| | - David Erickson
- Institute for Nutritional Sciences, Global Health, and Technology, Cornell University, Ithaca, New York, USA
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, New York, USA
| | - Saurabh Mehta
- Institute for Nutritional Sciences, Global Health, and Technology, Cornell University, Ithaca, New York, USA
- Division of Nutritional Sciences, Cornell University, Ithaca, New York, USA
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41
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Prabhu A, Nandagopal M S G, Peralam Yegneswaran P, Prabhu V, Verma U, Mani NK. Thread integrated smart-phone imaging facilitates early turning point colorimetric assay for microbes. RSC Adv 2020; 10:26853-26861. [PMID: 35515782 PMCID: PMC9055509 DOI: 10.1039/d0ra05190j] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 07/13/2020] [Indexed: 12/19/2022] Open
Abstract
This study employs a commercial multifilament cotton thread as a low-cost microbial identification assay integrated with smartphone-based imaging for high throughput and rapid detection of pathogens. The thread device with inter-twined fibers was drop-cast with test media and a pH indicator. The target pathogens scavenge the media components with different sugars and release acidic by-products, which in turn act as markers for pH-based color change. The developed thread-based proof-of-concept was demonstrated for the visual color detection (red to yellow) of Candida albicans (≈16 hours) and Escherichia coli (≈5 hours). Besides that, using a smart-phone to capture images of the thread-based colorimetric assay facilitates early detection of turning point of the pH-based color change and further reduces the detection time of pathogens viz. Candida albicans (≈10 hours) and Escherichia coli (≈1.5 hours). The reported thread and smartphone integrated image analysis works towards identifying the turning point of the colorimetric change rather than the end-point analysis. Using this approach, the interpretation time can be significantly reduced compared to the existing conventional microbial methods (≈24 hours). The thread-based colorimetric microbial assay represents a ready-to-use, low-cost and straightforward technology with applicability in resource-constrained environments, surpassing the need for frequent fresh media preparation, expensive instrumentation, complex fabrication techniques and expert intervention. The proposed method possesses high scalability and reproducibility, which can be further extended to bio(chemical) assays.
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Affiliation(s)
- Anusha Prabhu
- Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education Manipal 576104 Karnataka India
| | - Giri Nandagopal M S
- Department of Mechanical Engineering, Indian Institute of Technology Kharagpur 721302 India
| | - Prakash Peralam Yegneswaran
- Department of Microbiology, Kasturba Medical College Manipal, Manipal Academy of Higher Education Manipal 576104 Karnataka India
- Manipal Center for Infectious Diseases, Prasanna School of Public Health, Manipal Academy of Higher Education Manipal 576104 Karnataka India
| | - Vijendra Prabhu
- Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education Manipal 576104 Karnataka India
| | - Ujjwal Verma
- Department of Electronics & Communication, Manipal Institute of Technology, Manipal Academy of Higher Education Manipal 576104 Karnataka India
- Manipal Center for Infectious Diseases, Prasanna School of Public Health, Manipal Academy of Higher Education Manipal 576104 Karnataka India
| | - Naresh Kumar Mani
- Department of Biotechnology, Manipal Institute of Technology, Manipal Academy of Higher Education Manipal 576104 Karnataka India
- Manipal Center for Infectious Diseases, Prasanna School of Public Health, Manipal Academy of Higher Education Manipal 576104 Karnataka India
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Boobphahom S, Nguyet Ly M, Soum V, Pyun N, Kwon OS, Rodthongkum N, Shin K. Recent Advances in Microfluidic Paper-Based Analytical Devices toward High-Throughput Screening. Molecules 2020; 25:E2970. [PMID: 32605281 PMCID: PMC7412548 DOI: 10.3390/molecules25132970] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 06/17/2020] [Accepted: 06/19/2020] [Indexed: 02/06/2023] Open
Abstract
Microfluidic paper-based analytical devices (µPADs) have become promising tools offering various analytical applications for chemical and biological assays at the point-of-care (POC). Compared to traditional microfluidic devices, µPADs offer notable advantages; they are cost-effective, easily fabricated, disposable, and portable. Because of our better understanding and advanced engineering of µPADs, multistep assays, high detection sensitivity, and rapid result readout have become possible, and recently developed µPADs have gained extensive interest in parallel analyses to detect biomarkers of interest. In this review, we focus on recent developments in order to achieve µPADs with high-throughput capability. We discuss existing fabrication techniques and designs, and we introduce and discuss current detection methods and their applications to multiplexed detection assays in relation to clinical diagnosis, drug analysis and screening, environmental monitoring, and food and beverage quality control. A summary with future perspectives for µPADs is also presented.
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Affiliation(s)
- Siraprapa Boobphahom
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Road, Pathumwan, Bangkok 10330, Thailand;
| | - Mai Nguyet Ly
- Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul 04107, Korea; (M.N.L.); (V.S.); (N.P.); (O.-S.K.)
| | - Veasna Soum
- Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul 04107, Korea; (M.N.L.); (V.S.); (N.P.); (O.-S.K.)
| | - Nayoon Pyun
- Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul 04107, Korea; (M.N.L.); (V.S.); (N.P.); (O.-S.K.)
| | - Oh-Sun Kwon
- Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul 04107, Korea; (M.N.L.); (V.S.); (N.P.); (O.-S.K.)
| | - Nadnudda Rodthongkum
- Metallurgy and Materials Science Research Institute, Chulalongkorn University, Soi Chula 12, Phayathai Road, Pathumwan, Bangkok 10330, Thailand;
| | - Kwanwoo Shin
- Department of Chemistry and Institute of Biological Interfaces, Sogang University, Seoul 04107, Korea; (M.N.L.); (V.S.); (N.P.); (O.-S.K.)
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43
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Seok Y, Batule BS, Kim MG. Lab-on-paper for all-in-one molecular diagnostics (LAMDA) of zika, dengue, and chikungunya virus from human serum. Biosens Bioelectron 2020; 165:112400. [PMID: 32729520 DOI: 10.1016/j.bios.2020.112400] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 06/13/2020] [Accepted: 06/17/2020] [Indexed: 01/23/2023]
Abstract
Several tropical fever viruses transmitted by mosquitoes including zika, dengue, and chikungunya, are becoming a serious problem in global public health. Simple diagnostic tools in early stages are strongly required to monitor and prevent these diseases. Paper diagnostic platforms can provide a solution for these needs, with integration of fluidic control techniques and isothermal amplification methods. Here, we demonstrate a Lab-on-paper for all-in-one molecular diagnostics of zika, dengue, and chikungunya virus from human serum. The entire process of nucleic acid testing that involves sampling, extraction, amplification, and detection is simply operated on a single paper chip. Based on the engineered structure of paper materials and dried chemicals on the all-in-one chip, serum samples containing the target virus RNA were simply added by automatic flow from distilled water injection. Target RNA molecules were concentrated on the binding pad with chitosan and then transported to reaction pads following a pH increase for specific reverse transcription loop-mediated isothermal amplification with fluorescence signal generation. Three targets, zika virus, dengue virus, and chikungunya virus, in human serum were simultaneously detected on the all-in-one paper chip within 60 min at 65 °C. The all-in-one paper chip can be used as a real-time quantitative assay for 5-5000 copies of zika virus RNA. This all-in-one device was successfully used with 5 clinical specimens of zika and dengue virus from real patients. We believe that the proposed all-in-one paper chip can provide a portable, low-cost, user-friendly, sensitive, and specific NAT platform with great potential in point-of-care diagnostics.
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Affiliation(s)
- Youngung Seok
- Department of Mechanical Engineering and Applied Mechanics, School of Engineering and Applied Science, University of Pennsylvania, 233 Towne Building, 220 S. 33rd Street, Philadelphia, PA, 19104, USA
| | - Bhagwan S Batule
- Department of Chemistry, School of Physics and Chemistry, Gwangju Institute of Science and Technology (GIST), 123 Cheomdan-gwagiro, Gwangju, 500-712, Republic of Korea; Boditech Med Inc., 43, Geodudanji 1-gil, Dongnae-myeon, Chuncheon-si, Gangwon-do, 24398, Republic of Korea
| | - Min-Gon Kim
- Department of Chemistry, School of Physics and Chemistry, Gwangju Institute of Science and Technology (GIST), 123 Cheomdan-gwagiro, Gwangju, 500-712, Republic of Korea.
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Varsha V, Aishwarya S, Murchana S, Naveen G, Ramya M, Rathinasabapathi P. Correction pen based paper fluidic device for the detection of multiple gene targets of Leptospira using Loop Mediated Isothermal Amplification. J Microbiol Methods 2020; 174:105962. [PMID: 32473300 DOI: 10.1016/j.mimet.2020.105962] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2019] [Revised: 04/02/2020] [Accepted: 05/19/2020] [Indexed: 10/24/2022]
Abstract
Paper-based nucleic acid testing techniques are increasingly in demand. Hence, we have developed a simple and cheap paper fluidic device to detect multiple gene targets in Leptospira. Fluidic channels of the penta-clover device are drawn using a correction pen on Whatman filter paper 1. The fluid blocks the pores of the paper, avoiding leakage and ensuring the equal flow of sample to the reaction pads. The target genes are amplified by performing Loop-Mediated Isothermal Amplification (LAMP) with dry reaction components. Thecolor change of leuco crystal violetallows real-time monitoring of a positive amplification. The difference in color intensity is captured with a smartphone and analyzed using image processing software. The device amplifies the target within 15 min, detects the pathogen at a concentration as low as 50 attogram μL-1, detects Leptospira in blood samples without prior treatment and differentiates the Leptospira species even after 21 days of storage at room temperature.
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Affiliation(s)
- Venkatesh Varsha
- Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, Kancheepuram (District), Tamil Nadu, India
| | - Sitaraman Aishwarya
- Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, Kancheepuram (District), Tamil Nadu, India
| | - Sarma Murchana
- Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, Kancheepuram (District), Tamil Nadu, India
| | - Gattuboyena Naveen
- Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, Kancheepuram (District), Tamil Nadu, India
| | - Mohandass Ramya
- Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, Kancheepuram (District), Tamil Nadu, India
| | - Pasupathi Rathinasabapathi
- Department of Genetic Engineering, SRM Institute of Science and Technology, Kattankulathur, Kancheepuram (District), Tamil Nadu, India.
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Xu H, Xia A, Wang D, Zhang Y, Deng S, Lu W, Luo J, Zhong Q, Zhang F, Zhou L, Zhang W, Wang Y, Yang C, Chang K, Fu W, Cui J, Gan M, Luo D, Chen M. An ultraportable and versatile point-of-care DNA testing platform. SCIENCE ADVANCES 2020; 6:eaaz7445. [PMID: 32426466 PMCID: PMC7176422 DOI: 10.1126/sciadv.aaz7445] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Accepted: 02/06/2020] [Indexed: 05/07/2023]
Abstract
Point-of-care testing (POCT) has broad applications in resource-limited settings. Here, a POCT platform termed POCKET (point-of-care kit for the entire test) is demonstrated that is ultraportable and versatile for analyzing multiple types of DNA in different fields in a sample-to-answer manner. The POCKET is less than 100 g and smaller than 25 cm in length. The kit consists of an integrated chip (i-chip) and a foldable box (f-box). The i-chip integrates the sample preparation with a previously unidentified, triple signal amplification. The f-box uses a smartphone as a heater, a signal detector, and a result readout. We detected different types of DNA from clinics to environment to food to agriculture. The detection is sensitive (<103 copies/ml), specific (single-base differentiation), speedy (<2 hours), and stable (>10 weeks shelf life). This inexpensive, ultraportable POCKET platform may become a versatile sample-to-answer platform for clinical diagnostics, food safety, agricultural protection, and environmental monitoring.
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Affiliation(s)
- Huan Xu
- Department of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Anyue Xia
- First Affiliated Hospital with Nanjing Medical University (Jiangsu Province Hospital), Nanjing 210029, China
| | - Dandan Wang
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Yiheng Zhang
- Central Laboratory, Shanghai Cancer Institute, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200127, China
| | - Shaoli Deng
- Department of Clinical Laboratory Medicine, Institute of Surgery Research, Daping Hospital, Third Military Medical University (Army Medical University), Chongqing 400042, China
| | - Weiping Lu
- Department of Clinical Laboratory Medicine, Institute of Surgery Research, Daping Hospital, Third Military Medical University (Army Medical University), Chongqing 400042, China
| | - Jie Luo
- Department of Clinical Laboratory, The 954th Hospital of Chinese People's Liberation Army, Xizang 856000, China
| | - Qiu Zhong
- Department of Clinical Laboratory Medicine, Institute of Surgery Research, Daping Hospital, Third Military Medical University (Army Medical University), Chongqing 400042, China
| | - Fengling Zhang
- Department of Clinical Laboratory Medicine, Institute of Surgery Research, Daping Hospital, Third Military Medical University (Army Medical University), Chongqing 400042, China
| | - Lin Zhou
- Department of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Wenqing Zhang
- Department of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Yang Wang
- Department of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Cheng Yang
- Department of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Kai Chang
- Department of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Weiling Fu
- Department of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
| | - Jinhui Cui
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
- Corresponding author. (M.C.); (D.L.); (M.G.); (J.C.)
| | - Mingzhe Gan
- CAS Key Laboratory of Nano-Bio Interface, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Suzhou 215123, China
- Corresponding author. (M.C.); (D.L.); (M.G.); (J.C.)
| | - Dan Luo
- Department of Biological and Environmental Engineering, Cornell University, Ithaca, NY 14853, USA
- Kavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, NY 14853, USA
- Corresponding author. (M.C.); (D.L.); (M.G.); (J.C.)
| | - Ming Chen
- Department of Clinical Laboratory Medicine, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing 400038, China
- College of Pharmacy and Laboratory Medicine, Third Military Medical University (Army Medical University), Chongqing 400038, China
- State Key Laboratory of Trauma, Burn and Combined Injury, Third Military Medical University (Army Medical University), Chongqing 400038, China
- Corresponding author. (M.C.); (D.L.); (M.G.); (J.C.)
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Nucleic acid lateral flow assay with recombinase polymerase amplification: Solutions for highly sensitive detection of RNA virus. Talanta 2020; 210:120616. [DOI: 10.1016/j.talanta.2019.120616] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2019] [Revised: 12/01/2019] [Accepted: 12/02/2019] [Indexed: 12/28/2022]
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47
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Naik P, Jaitpal S, Paul D. The Resurgence of Paperfluidics: A new technology for cell, DNA, and blood analysis. IEEE NANOTECHNOLOGY MAGAZINE 2020. [DOI: 10.1109/mnano.2020.2966063] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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48
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Mao K, Min X, Zhang H, Zhang K, Cao H, Guo Y, Yang Z. Paper-based microfluidics for rapid diagnostics and drug delivery. J Control Release 2020; 322:187-199. [PMID: 32169536 DOI: 10.1016/j.jconrel.2020.03.010] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2019] [Revised: 02/13/2020] [Accepted: 03/07/2020] [Indexed: 02/07/2023]
Abstract
Paper is a common material that is promising for constructing microfluidic chips (lab-on-a-paper) for diagnostics and drug delivery for biomedical applications. In the past decade, extensive research on paper-based microfluidics has accumulated a large number of scientific publications in the fields of biomedical diagnosis, food safety, environmental health, drug screening and delivery. This review focuses on the recent progress on paper-based microfluidic technology with an emphasis on the design, optimization and application of the technology platform, in particular for medical diagnostics and drug delivery. Novel advances have concentrated on engineering paper devices for point-of-care (POC) diagnostics, which could be integrated with nucleic acid-based tests and isothermal amplification experiments, enabling rapid sample-to-answer assays for field testing. Among the isothermal amplification experiments, loop-mediated isothermal amplification (LAMP), an extremely sensitive nucleic acid test, specifically identifies ultralow concentrations of DNA/RNA from practical samples for diagnosing diseases. We thus mainly focus on the paper device-based LAMP assay for the rapid infectious disease diagnosis, foodborne pathogen analysis, veterinary diagnosis, plant diagnosis, and environmental public health evaluation. We also outlined progress on paper microfluidic devices for drug delivery. The paper concludes with a discussion on the challenges of this technology and our insights into how to advance science and technology towards the development of fully functional paper devices in diagnostics and drug delivery.
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Affiliation(s)
- Kang Mao
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China
| | - Xiaocui Min
- Guangzhou Huali Science and Technology Vocational College, Guangzhou 511325, China
| | - Hua Zhang
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China.
| | - Kuankuan Zhang
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China
| | - Haorui Cao
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China
| | - Yongkun Guo
- State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, China
| | - Zhugen Yang
- School of Water, Energy and Environment, Cranfield University, Cranfield MK43 0AL, United Kingdom.
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A Novel Microfluidic Device Integrated with Chitosan-Modified Capillaries for Rapid ZIKV Detection. MICROMACHINES 2020; 11:mi11020186. [PMID: 32054007 PMCID: PMC7074674 DOI: 10.3390/mi11020186] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 01/29/2020] [Accepted: 02/03/2020] [Indexed: 02/08/2023]
Abstract
The outbreak of Zika virus (ZIKV) has posed a great challenge to public health in recent years. To address the urgent need of ZIKV RNA assays, we integrate the microfluidic chip embedded with chitosan-modified silicon dioxide capillaries, smartphone-based detection unit to be a C3-system for the rapid extraction and detection of ZIKV RNA. The C3-system is characterized by: (1) four chitosan-modified silicon dioxide capillaries integrated in the microfluidic chip for target ZIKV RNA enrichment and “in situ PCR” (polymerase chain reaction) amplification; (2) smartphone-based point of care (POC) device consisting of a pneumatic subsystem for controlling the nucleic acid extraction processes in the microfluidic chip, a heating subsystem for sample lysis and PCR amplification, and an optical subsystem for signal acquisition. The entire detection processes including sample lysis, ZIKV RNA enrichment, and reverse-transcription polymerase chain reaction (RT-PCR) is achieved in the microfluidic chip. Moreover, PCR buffers can be directly loaded into the chitosan-modified silicon dioxide capillaries for “in situ PCR”, in which the captured ZIKV RNA is directly used for downstream PCR without any loss. ZIKV RNA extracted by the C3-system can be successfully recovered at very low concentrations of 50 transducing units (TU)/mL from crude human saliva. This means that our method of detecting viremia in patients infected with ZIKV is reliable.
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Wang LX, Fu JJ, Zhou Y, Chen G, Fang C, Lu ZS, Yu L. On-chip RT-LAMP and colorimetric detection of the prostate cancer 3 biomarker with an integrated thermal and imaging box. Talanta 2020; 208:120407. [DOI: 10.1016/j.talanta.2019.120407] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 09/24/2019] [Accepted: 09/27/2019] [Indexed: 10/25/2022]
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