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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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Li C, Guo S, Sun M, Niu J, Yin C, Du W, Zhao J, Liu D, Yue A. A Colorimetric RT-LAMP Assay for Rapid Detection of Soybean mosaic Virus SC15. ACS OMEGA 2024; 9:29765-29775. [PMID: 39005798 PMCID: PMC11238210 DOI: 10.1021/acsomega.4c03372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/08/2024] [Revised: 05/19/2024] [Accepted: 06/10/2024] [Indexed: 07/16/2024]
Abstract
Soybean mosaic virus (SMV) represents one of the most devastating viral diseases affecting soybeans worldwide. Among its strains, SMV-SC15 is notable for its virulence, predominance, and widespread occurrence. Rapid and on-site diagnosis is important for controlling the spread of SMV-SC15. In this study, we proposed a colorimetric reverse-transcription loop-mediated isothermal amplification (RT-LAMP) assay for the detection of SMV-SC15 using three color indicators for visual interpretation: Neutral Red (N-Red), Bromothymol Blue (BTB), and SYBR Green I. The SMV-SC15 in the soybean tissue was detected with remarkable sensitivity and specificity within 30 min, achieving a detection limit as low as 10-4 ng/μL. 200 soybean leaf samples from the field were analyzed by the colorimetric RT-LAMP assays, holding significant potential for rapid screening of SMV-SC15-resistant cultivars, thereby contributing to effective SMV control.
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Affiliation(s)
- Chen Li
- Department
of Basic Sciences, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Shuixian Guo
- Department
of Basic Sciences, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Min Sun
- College
of Agronomy, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Jingping Niu
- College
of Life Science, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Congcong Yin
- Department
of Basic Sciences, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Weijun Du
- College
of Agronomy, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Jinzhong Zhao
- Department
of Basic Sciences, Shanxi Agricultural University, Taigu, Shanxi 030801, China
| | - Dingbin Liu
- College
of Chemistry, Nankai University, Tianjin 300071, China
| | - Aiqin Yue
- College
of Agronomy, Shanxi Agricultural University, Taigu, Shanxi 030801, China
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Dong T, Ding R, Zhou R, Shen C, Sheridan W, Paez D, Zhao Z, Wu P, Li F. A Portable Nucleic Acid Testing Platform with Photosensitization, a Three-Dimensionally Printed Multipiece Chip, and Digital Color Sensing. Anal Chem 2024; 96:6628-6633. [PMID: 38626114 DOI: 10.1021/acs.analchem.3c05897] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/18/2024]
Abstract
Portable nucleic acid testing (NAT) holds great promise for point-of-care disease diagnosis and field-based applications but remains difficult to achieve. Herein, we describe a portable NAT that streamlines loop-mediated isothermal amplification with photosensitization-based color development in a fully sealed 3D-printed multipiece chip. Using a smartphone accessory and an APP, we also introduce a calibration-free quantification approach via digital color sensing and library matching. With these innovative approaches, our detection platform is highly accessible, allowing for rapid and sensitive NAT without requiring sophisticated instruments and well-trained personnel. The field applicability of our NAT platform was demonstrated by detecting tuberculosis infections in clinical sputum samples and food adulteration in commercial salmon meat products.
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Affiliation(s)
- Tianyu Dong
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
| | - Ruolin Ding
- National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, P. R. China
| | - Rongxing Zhou
- Biliary Surgical Department of West China Hospital, Sichuan University, Chengdu 610064, P. R. China
| | - Chenlan Shen
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
- Department of Laboratory Medicine, Med+X Center for Manufacturing, West China Hospital, Sichuan University, Chengdu 610064, P. R. China
| | - Will Sheridan
- Nix Sensor Ltd., 286 Sanford Ave N Unit 501, Hamilton, Ontario L8L 6A1, Canada
| | - Dixon Paez
- Nix Sensor Ltd., 286 Sanford Ave N Unit 501, Hamilton, Ontario L8L 6A1, Canada
| | - Zhihe Zhao
- National Clinical Research Center for Oral Diseases, Department of Orthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610064, P. R. China
| | - Peng Wu
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
- Analytical & Testing Center, Sichuan University, Chengdu 610064, P. R. China
| | - Feng Li
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, Chengdu 610064, P. R. China
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Gavina K, Franco LC, Khan H, Lavik JP, Relich RF. Molecular point-of-care devices for the diagnosis of infectious diseases in resource-limited settings - A review of the current landscape, technical challenges, and clinical impact. J Clin Virol 2023; 169:105613. [PMID: 37866094 DOI: 10.1016/j.jcv.2023.105613] [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: 06/20/2023] [Accepted: 10/17/2023] [Indexed: 10/24/2023]
Abstract
Molecular point-of-care (POC) tests offer high sensitivity, rapid turnaround times, relative ease of use, and the convenience of laboratory-grade testing in the absence of formal laboratory spaces and equipment, making them appealing options for infectious disease diagnosis in resource-limited settings. In this review, we discuss the role and potential of molecular POC tests in resource-limited settings and their associated logistical challenges. We discuss U.S. Food and Drug Administration approval, Clinical Laboratory Improvement Amendments complexity levels, and the REASSURED criteria as a starting point for assessing options currently available inside and outside of the United States. We then present POC tests currently in research and development phases that have potential for commercialization and implementation in limited-resource settings. Finally, we review published studies that have assessed the clinical impact of molecular POC testing in limited- and moderate-resource settings.
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Affiliation(s)
- Kenneth Gavina
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, USA; Division of Clinical Microbiology, Indiana University Health, Indianapolis, IN, USA
| | - Lauren C Franco
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Haseeba Khan
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, USA
| | - John-Paul Lavik
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, USA; Division of Clinical Microbiology, Indiana University Health, Indianapolis, IN, USA
| | - Ryan F Relich
- Department of Pathology and Laboratory Medicine, Indiana University School of Medicine, Indianapolis, IN, USA; Division of Clinical Microbiology, Indiana University Health, Indianapolis, IN, USA.
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Alipanah M, Manzanas C, Hai X, Lednicky JA, Paniz-Mondolfi A, Morris JG, Fan ZH. Mayaro virus detection by integrating sample preparation with isothermal amplification in portable devices. Anal Bioanal Chem 2023; 415:5605-5617. [PMID: 37470813 PMCID: PMC10528734 DOI: 10.1007/s00216-023-04856-8] [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: 05/14/2023] [Revised: 07/04/2023] [Accepted: 07/06/2023] [Indexed: 07/21/2023]
Abstract
Mayaro virus (MAYV) is an emerging mosquito-borne alphavirus that causes clinical symptoms similar to those caused by Chikungunya virus (CHIKV), Dengue virus (DENV), and Zika virus (ZIKV). To differentiate MAYV from these viruses diagnostically, we have developed a portable device that integrates sample preparation with real-time, reverse-transcription, loop-mediated isothermal amplification (rRT-LAMP). First, we designed a rRT-LAMP assay targeting MAYV's non-structural protein (NS1) gene and determined the limit of detection of at least 10 viral genome equivalents per reaction. The assay was specific for MAYV, without cross-reactions with CHIKV, DENV, or ZIKV. The rRT-LAMP assay was integrated with a sample preparation device (SPD) wherein virus lysis and RNA enrichment/purification were carried out on the spot, without requiring pipetting, while subsequent real-time amplification device (RAD) enables virus detection at the point of care (POC). The functions of our platform were demonstrated using purified MAYV RNA or blood samples containing viable viruses. We have used the devices for detection of MAYV in as short as 13 min, with limit of detection to as low as 10 GEs/reaction.
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Affiliation(s)
- Morteza Alipanah
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, University of Florida, P.O. Box 116250, Gainesville, FL, 32611, USA
| | - Carlos Manzanas
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, University of Florida, P.O. Box 116250, Gainesville, FL, 32611, USA
| | - Xin Hai
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, University of Florida, P.O. Box 116250, Gainesville, FL, 32611, USA
| | - John A Lednicky
- Emerging Pathogens Institute, University of Florida, P.O. Box 100009, Gainesville, FL, 32610, USA.
- Department of Environmental and Global Health, University of Florida, PO Box 100188, Gainesville, FL, 32610, USA.
| | - Alberto Paniz-Mondolfi
- Department of Pathology, Molecular and Cell-Based Medicine, Icahn School of Medicine at Mount Sinai, 1425 Madison Ave, New York, NY, 10029, USA
| | - J Glenn Morris
- Emerging Pathogens Institute, University of Florida, P.O. Box 100009, Gainesville, FL, 32610, USA
| | - Z Hugh Fan
- Interdisciplinary Microsystems Group, Department of Mechanical and Aerospace Engineering, University of Florida, P.O. Box 116250, Gainesville, FL, 32611, USA.
- Emerging Pathogens Institute, University of Florida, P.O. Box 100009, Gainesville, FL, 32610, 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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Song M, Hong S, Lee LP. Multiplexed Ultrasensitive Sample-to-Answer RT-LAMP Chip for the Identification of SARS-CoV-2 and Influenza Viruses. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2207138. [PMID: 36398425 DOI: 10.1002/adma.202207138] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/05/2022] [Revised: 10/21/2022] [Indexed: 06/16/2023]
Abstract
Prompt on-site diagnosis of SARS-CoV-2 with other respiratory infections will have minimized the global impact of the COVID-19 pandemic through rapid, effective management. However, no such multiplex point-of-care (POC) chip has satisfied a suitable sensitivity of gold-standard nucleic acid amplification tests (NAATs). Here, a rapid multiplexed ultrasensitive sample-to-answer loop-mediated isothermal amplification (MUSAL) chip operated by simple LED-driven photothermal amplification to detect six targets from single-swab sampling is presented. First, the MUSAL chip allows ultrafast on-chip sample preparation with ≈500-fold preconcentration at a rate of 1.2 mL min-1 . Second, the chip enables contamination-free amplification using autonomous target elution into on-chip reagents by photothermal activation. Finally, the chip accomplishes multiplexed on-chip diagnostics of SARS-CoV-2 and influenza viruses with a limit of detection (LoD) of 0.5 copies µL-1 . The rapid, ultrasensitive, cost-effective sample-to-answer chip with a multiplex capability will allow timely management of various pandemics situations that may be faced shortly.
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Affiliation(s)
- Minsun Song
- Harvard Medical School, Harvard University, Boston, MA, 02115, USA
- Division of Engineering in Medicine and Renal Division, Department of Medicine, Brigham Women's Hospital, Boston, MA, 02115, USA
| | - SoonGweon Hong
- Harvard Medical School, Harvard University, Boston, MA, 02115, USA
- Division of Engineering in Medicine and Renal Division, Department of Medicine, Brigham Women's Hospital, Boston, MA, 02115, USA
| | - Luke P Lee
- Harvard Medical School, Harvard University, Boston, MA, 02115, USA
- Division of Engineering in Medicine and Renal Division, Department of Medicine, Brigham Women's Hospital, Boston, MA, 02115, USA
- Department of Bioengineering, Department of Electrical Engineering and Computer Science, University of California at Berkeley, Berkeley, CA, 94720, USA
- Department of Biophysics, Institute of Quantum Biophysics, Sungkyunkwan University (SKKU), Suwon, Gyeonggi-do, 16419, Republic of Korea
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