1
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Lee SM, Doeven EH, Yuan D, Guijt RM. Method for lysis and paper-based elution-free DNA extraction with colourimetric isothermal amplification. Sci Rep 2024; 14:14479. [PMID: 38914553 PMCID: PMC11196276 DOI: 10.1038/s41598-024-59763-4] [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: 01/18/2024] [Accepted: 04/15/2024] [Indexed: 06/26/2024] Open
Abstract
Nucleic acid amplification testing has great potential for point-of-need diagnostic testing with high detection sensitivity and specificity. Current sample preparation is limited by a tedious workflow requiring multiple steps, reagents and instrumentation, hampering nucleic acid testing at point of need. In this study, we present the use of mixed cellulose ester (MCE) paper for DNA binding by ionic interaction under molecular crowding conditions and fluid transport by wicking. The poly(ethylene) glycol-based (PEG) reagent simultaneously provides the high pH for alkaline lysis and crowding effects for ionic binding of the DNA under high salt conditions. In this study, we introduce Paper-based Abridged Solid-Phase Extraction with Alkaline Poly(ethylene) Glycol Lysis (PASAP). The anionic mixed cellulose ester (MCE) paper is used as solid phase and allows for fluid transport by wicking, eliminating the need for pipetting skills and the use of a magnet to retain beads. Following the release of DNA from the cells due to the lytic activity of the PASAP solution, the DNA binds to the anionic surface of the MCE paper, concentrating at the bottom while the sample matrix is transported towards the top by wicking. The paper was washed by dipping it in 40% isopropanol for 10 s. After air-drying for 30 s, the bottom section of the paper (3 mm × 4 mm) was snapped off using the cap of a PCR tube and immersed in the colourimetric loop-mediated isothermal amplification (cLAMP) solution for direct amplification and colourimetric detection. The total sample processing was completed in 15 min and ready for amplification. cLAMP enabled the detection of 102 CFU/mL of Escherichia coli (E. coli) from culture media and the detection of E. coli in milk < 103 CFU/mL (10 CFU) after incubation at 68 °C for 60 min, demonstrating applicability of the method to complex biological samples.
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Affiliation(s)
- Soo Min Lee
- Centre for Regional and Rural Futures (CeRRF), Deakin University, Locked Bag 20000, Geelong, VIC, 3220, Australia
| | - Egan H Doeven
- Centre for Regional and Rural Futures (CeRRF), Deakin University, Locked Bag 20000, Geelong, VIC, 3220, Australia
- School of Life and Environmental Sciences, Faculty of Science, Engineering and Built Environment, Deakin University, Waurn Ponds, VIC, 3216, Australia
| | - Dan Yuan
- Centre for Regional and Rural Futures (CeRRF), Deakin University, Locked Bag 20000, Geelong, VIC, 3220, Australia.
- School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, QLD, 4072, Australia.
| | - Rosanne M Guijt
- Centre for Regional and Rural Futures (CeRRF), Deakin University, Locked Bag 20000, Geelong, VIC, 3220, Australia.
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2
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Abusheraida NSA, AlBaker AAH, Aljabri ASA, Abdelrahman HA, Al-Mana H, Wilson GJ, Anan KA, Eltai NO. Rapid Visual Detection of Methicillin-Resistant Staphylococcus aureus in Human Clinical Samples via Closed LAMP Assay Targeting mecA and spa Genes. Microorganisms 2024; 12:157. [PMID: 38257983 PMCID: PMC10819026 DOI: 10.3390/microorganisms12010157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2023] [Revised: 01/11/2024] [Accepted: 01/11/2024] [Indexed: 01/24/2024] Open
Abstract
The emergence of antimicrobial resistance (AMR), particularly methicillin-resistant Staphylococcus aureus (MRSA), poses a significant global health threat as these bacteria increasingly become resistant to the most available therapeutic options. Thus, developing an efficient approach to rapidly screen MRSA directly from clinical specimens has become vital. In this study, we establish a closed-tube loop-mediated isothermal amplification (LAMP) method incorporating hydroxy-naphthol blue (HNB) colorimetric dye assay to directly detect MRSA from clinical samples based on the presence of mecA and spa genes. In total, 125 preidentified S. aureus isolates and 93 clinical samples containing S. aureus were sourced from the microbiology laboratory at Hamad General Hospital (HGH). The sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) were computed based on conventional PCR. The assay demonstrated 100% specificity, 91.23% sensitivity, 0.90 Cohen Kappa (CK), 100% PPV, and 87.8% NPV for the clinical samples, while clinical isolates exhibited 100% specificity, 97% sensitivity, 0.926 CK, 100% PPV, and 88.89% NPV. Compared to cefoxitin disk diffusion, LAMP provided 100% specificity and sensitivity, 1.00 CK, and 100% for PPV and NPV. The study revealed that the closed-tube LAMP incorporating (HNB) dye is a rapid technique with a turnaround time of less than 1 h and high specificity and sensitivity.
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Affiliation(s)
- Noora S. A. Abusheraida
- College of Health Science, Qatar University, Doha P.O. Box 2713, Qatar; (N.S.A.A.); (A.A.H.A.); (A.S.A.A.)
| | - Asraa A. H. AlBaker
- College of Health Science, Qatar University, Doha P.O. Box 2713, Qatar; (N.S.A.A.); (A.A.H.A.); (A.S.A.A.)
| | - Asmaa S. A. Aljabri
- College of Health Science, Qatar University, Doha P.O. Box 2713, Qatar; (N.S.A.A.); (A.A.H.A.); (A.S.A.A.)
| | - Hana A. Abdelrahman
- Biomedical Research Center, Qatar University, Doha P.O. Box 2713, Qatar; (H.A.A.); (H.A.-M.)
| | - Hassan Al-Mana
- Biomedical Research Center, Qatar University, Doha P.O. Box 2713, Qatar; (H.A.A.); (H.A.-M.)
| | - Godwin J. Wilson
- Laboratory Medicine and Pathology, Hamad General Hospital, Doha P.O. Box 3050, Qatar;
| | | | - Nahla O. Eltai
- Biomedical Research Center, Qatar University, Doha P.O. Box 2713, Qatar; (H.A.A.); (H.A.-M.)
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3
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Srivastava P, Prasad D. Isothermal nucleic acid amplification and its uses in modern diagnostic technologies. 3 Biotech 2023; 13:200. [PMID: 37215369 PMCID: PMC10193355 DOI: 10.1007/s13205-023-03628-6] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Accepted: 05/10/2023] [Indexed: 05/24/2023] Open
Abstract
Nucleic acids are prominent biomarkers for diagnosing infectious pathogens using nucleic acid amplification techniques (NAATs). PCR, a gold standard technique for amplifying nucleic acids, is widely used in scientific research and diagnosis. Efficient pathogen detection is a key to adequate food safety and hygiene. However, using bulky thermal cyclers and costly laboratory setup limits its uses in developing countries, including India. The isothermal amplification methods are exploited to develop miniaturized sensors against viruses, bacteria, fungi and other pathogenic organisms and have been applied for in situ diagnosis. Isothermal amplification techniques have been found suitable for POC techniques and follow WHO's ASSURED criteria. LAMP, NASBA, SDA, RCA and RPA are some of the isothermal amplification techniques which are preferable for POC diagnostics. Furthermore, methods such as WGA, CPA, HDA, EXPAR, SMART, SPIA and DAMP were introduced for even more accuracy and robustness. Using recombinant polymerases and other nucleic acid-modifying enzymes has dramatically broadened the detection range of target pathogens under the scanner. The coupling of isothermal amplification methods with advanced technologies such as CRISPR/Cas systems, fluorescence-based chemistries, microfluidics and paper-based sensors has significantly influenced the biosensing and diagnosis field. This review comprehensively analyzed isothermal nucleic acid amplification methods, emphasizing their advantages, disadvantages and limitations.
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Affiliation(s)
- Pulkit Srivastava
- Department of Bioengineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand 835215 India
| | - Dinesh Prasad
- Department of Bioengineering and Biotechnology, Birla Institute of Technology, Mesra, Ranchi, Jharkhand 835215 India
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Mazur F, Tjandra AD, Zhou Y, Gao Y, Chandrawati R. Paper-based sensors for bacteria detection. NATURE REVIEWS BIOENGINEERING 2023; 1:180-192. [PMID: 36937095 PMCID: PMC9926459 DOI: 10.1038/s44222-023-00024-w] [Citation(s) in RCA: 21] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Accepted: 01/09/2023] [Indexed: 02/16/2023]
Abstract
The detection of pathogenic bacteria is essential to prevent and treat infections and to provide food security. Current gold-standard detection techniques, such as culture-based assays and polymerase chain reaction, are time-consuming and require centralized laboratories. Therefore, efforts have focused on developing point-of-care devices that are fast, cheap, portable and do not require specialized training. Paper-based analytical devices meet these criteria and are particularly suitable to deployment in low-resource settings. In this Review, we highlight paper-based analytical devices with substantial point-of-care applicability for bacteria detection and discuss challenges and opportunities for future development.
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Affiliation(s)
- Federico Mazur
- grid.1005.40000 0004 4902 0432School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales, Sydney, New South Wales Australia
| | - Angie Davina Tjandra
- grid.1005.40000 0004 4902 0432School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales, Sydney, New South Wales Australia
| | - Yingzhu Zhou
- grid.1005.40000 0004 4902 0432School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales, Sydney, New South Wales Australia
| | - Yuan Gao
- grid.1005.40000 0004 4902 0432School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales, Sydney, New South Wales Australia
| | - Rona Chandrawati
- grid.1005.40000 0004 4902 0432School of Chemical Engineering and Australian Centre for Nanomedicine (ACN), The University of New South Wales, Sydney, New South Wales Australia
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Point-of-Care Lateral Flow Detection of Viable Escherichia coli O157:H7 Using an Improved Propidium Monoazide-Recombinase Polymerase Amplification Method. Foods 2022; 11:3207. [PMCID: PMC9602316 DOI: 10.3390/foods11203207] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
The detection of both viable and viable but non-culturable (VBNC) Escherichia coli O157:H7 is a crucial part of food safety. Traditional culture-dependent methods are lengthy, expensive, laborious, and unable to detect VBNC. Hence, there is a need to develop a rapid, simple, and cost-effective detection method to differentiate between viable/dead E. coli O157:H7 and detect VBNC cells. In this work, recombinase polymerase amplification (RPA) was developed for the detection of viable E. coli O157:H7 through integration with propidium monoazide (PMAxx). Initially, two primer sets, targeting two different genes (rfbE and stx) were selected, and DNA amplification by RPA combined with PMAxx treatment and the lateral flow assay (LFA) was carried out. Subsequently, the rfbE gene target was found to be more effective in inhibiting the amplification from dead cells and detecting only viable E. coli O157:H7. The assay’s detection limit was found to be 102 CFU/mL for VBNC E. coli O157:H7 when applied to spiked commercial beverages including milk, apple juice, and drinking water. pH values from 3 to 11 showed no significant effect on the efficacy of the assay. The PMAxx-RPA-LFA was completed at 39 °C within 40 min. This study introduces a rapid, robust, reliable, and reproducible method for detecting viable bacterial counts. In conclusion, the optimised assay has the potential to be used by the food and beverage industry in quality assurance related to E. coli O157:H7.
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Lee MS, Hyun H, Park I, Kim S, Jang DH, Kim S, Im JK, Kim H, Lee JH, Kwon T, Kang JH. Quantitative Fluorescence In Situ Hybridization (FISH) of Magnetically Confined Bacteria Enables Early Detection of Human Bacteremia. SMALL METHODS 2022; 6:e2101239. [PMID: 35112812 DOI: 10.1002/smtd.202101239] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 01/02/2022] [Indexed: 06/14/2023]
Abstract
The current diagnosis of bacteremia mainly relies on blood culture, which is inadequate for the rapid and quantitative determination of most bacteria in blood. Here, a quantitative, multiplex, microfluidic fluorescence in situ hybridization method (μFISH) is developed, which enables early and rapid (3-h) diagnosis of bacteremia without the need for prior blood culture. This novel technology employs mannose-binding lectin-coated magnetic nanoparticles, which effectively opsonize a broad range of pathogens, magnetically sequestering them in a microfluidic device. Therein, μFISH probes, based on unique 16S rRNA sequences, enable the identification and quantification of sequestered pathogens both in saline and whole blood, which is more sensitive than conventional polymerase chain reaction. Using μFISH, Escherichia coli (E. coli) is detected in whole blood collected from a porcine disease model and from E. coli-infected patients. Moreover, the proportion of E. coli, relative to other bacterial levels in the blood, is accurately and rapidly determined, which is not possible using conventional diagnostic methods. Blood from E. coli-infected patients is differentiated from healthy donors' blood using cutoff values with a 0.05 significance level. Thus, μFISH is a versatile method that can be used to rapidly identify pathogens and determine their levels relative to other culturable and nonculturable bacteria in biological samples.
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Affiliation(s)
- Min Seok Lee
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Hwi Hyun
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Inwon Park
- Department of Emergency Medicine, Seoul National University Bundang Hospital (SNUBH), Gyeonggi-do, 13620, Republic of Korea
| | - Sungho Kim
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Dong-Hyun Jang
- Department of Emergency Medicine, Seoul National University Bundang Hospital (SNUBH), Gyeonggi-do, 13620, Republic of Korea
| | - Seonghye Kim
- Department of Emergency Medicine, Seoul National University Bundang Hospital (SNUBH), Gyeonggi-do, 13620, Republic of Korea
| | - Jae-Kyeong Im
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Hajin Kim
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Jae Hyuk Lee
- Department of Emergency Medicine, Seoul National University Bundang Hospital (SNUBH), Gyeonggi-do, 13620, Republic of Korea
| | - Taejoon Kwon
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
| | - Joo H Kang
- Department of Biomedical Engineering, Ulsan National Institute of Science and Technology (UNIST), Ulsan, 44919, Republic of Korea
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7
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Dinh VP, Lee NY. Fabrication of a fully integrated paper microdevice for point-of-care testing of infectious disease using Safranin O dye coupled with loop-mediated isothermal amplification. Biosens Bioelectron 2022; 204:114080. [DOI: 10.1016/j.bios.2022.114080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 01/21/2022] [Accepted: 02/03/2022] [Indexed: 11/02/2022]
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8
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Vinayaka AC, Golabi M, Than TLQ, Wolff A, Bang DD. Point-of-care diagnosis of invasive non-typhoidal Salmonella enterica in bloodstream infections using immunomagnetic capture and loop-mediated isothermal amplification. N Biotechnol 2022; 66:1-7. [PMID: 34428583 DOI: 10.1016/j.nbt.2021.08.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 08/17/2021] [Accepted: 08/19/2021] [Indexed: 12/18/2022]
Abstract
Invasive non-typhoidal salmonellosis is gaining worldwide attention as an emerging disease cluster among bloodstream infections. The disease has the highest burden among immunocompromised and malnourished children in resource-limited areas due to poor access to reliable and rapid diagnostics. Point-of-care (POC) diagnostics are promising for use in such low infrastructure laboratory settings. However, there still remains a major challenge for POC testing to deal with the complexity of blood matrices in rapid detection of an extremely low concentration of blood-borne pathogens. In this work, the challenges were addressed by combining magnetic bead based pathogen concentration and Loop Mediated Isothermal Amplification (LAMP) technology. Sensitivity and performance of the combined approach were determined and compared with a direct PCR method. A direct visual detection strategy, adapted using SYTO-24 DNA intercalating dye, resulted in a limit of detection (LoD) as low as 14 CFU/mL in blood samples with a total analysis time of less than 2 h, including sample preparation. This approach has the potential for wide application as a high-throughput POC testing method to analyze pathogens in clinical, food, feed and environmental samples.
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Affiliation(s)
- Aaydha C Vinayaka
- Laboratory of Applied Micro and Nanotechnology (LAMINATE), Department of Bioengineering, Technical University of Denmark, DK-2800, Lyngby, Denmark.
| | - Mohsen Golabi
- Laboratory of Applied Micro and Nanotechnology (LAMINATE), Department of Bioengineering, Technical University of Denmark, DK-2800, Lyngby, Denmark
| | - Thi Linh Quyen Than
- Biolabchip Group, Department of Bioengineering, Technical University of Denmark, DK-2800, Lyngby, Denmark
| | - Anders Wolff
- Biolabchip Group, Department of Bioengineering, Technical University of Denmark, DK-2800, Lyngby, Denmark
| | - Dang D Bang
- Laboratory of Applied Micro and Nanotechnology (LAMINATE), Department of Bioengineering, Technical University of Denmark, DK-2800, Lyngby, Denmark
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9
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Jang M, Kim S. Inhibition of Non-specific Amplification in Loop-Mediated Isothermal Amplification via Tetramethylammonium Chloride. BIOCHIP JOURNAL 2022; 16:326-333. [PMID: 35909465 PMCID: PMC9326409 DOI: 10.1007/s13206-022-00070-3] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Revised: 06/24/2022] [Accepted: 07/07/2022] [Indexed: 02/02/2023]
Abstract
Loop-mediated isothermal amplification (LAMP) may be used in molecular and point-of-care diagnostics for pathogen detection. The amplification occurs under isothermal conditions using up to six primers. However, non-specific amplification is frequently observed in LAMP. Non-specific amplification has the potential to be triggered by forward and reverse internal primers. And the relatively low reaction temperature (55-65 °C) induces the secondary structure via primer-primer interactions. Primer redesign and probe design have been recommended to solve this problem. LAMP primers have strict conditions, such as Tm, GC contents, primer dimer, and distance between primers compared to conventional PCR primers. Probe design requires specialized knowledge to have high specificity for a target. In polymerase chain reaction (PCR), some chemicals or proteins are used for improving specificity and efficiency. Therefore, we hypothesized that additives can suppress the non-specific amplification. In this study, tetramethylammonium chloride (TMAC), formamide, dimethyl sulfoxide, Tween 20, and bovine serum albumin have been used as LAMP additives. In our study, TMAC was presented as a promising additive for suppressing non-specific amplification in LAMP. Supplementary Information The online version contains supplementary material available at 10.1007/s13206-022-00070-3.
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Affiliation(s)
- MinJu Jang
- grid.256155.00000 0004 0647 2973Department of Bionanotechnology, Gachon University, Seongnam, 13120 Republic of Korea
| | - Sanghyo Kim
- grid.256155.00000 0004 0647 2973Department of Bionanotechnology, Gachon University, Seongnam, 13120 Republic of Korea
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10
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Shen Y, Anwar TB, Mulchandani A. Current status, advances, challenges and perspectives on biosensors for COVID-19 diagnosis in resource-limited settings. SENSORS AND ACTUATORS REPORTS 2021; 3:100025. [PMID: 35047829 PMCID: PMC7831652 DOI: 10.1016/j.snr.2021.100025] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Revised: 12/28/2020] [Accepted: 12/29/2020] [Indexed: 05/07/2023]
Abstract
As the COVID-19 pandemic has profoundly impacted human life, prompt diagnostic tests are becoming an essential part of the social activities. However, the expensive and time-consuming laboratory-based traditional methods do not suffice the enormous needs for massive number of tests, especially in resource-limited settings. Therefore, more affordable, rapid, sensitive and specific field-practical diagnostic devices play an important role in the fight against the disease. In this review, we present the current status and advances in the biosensing technologies for diagnosing COVID-19, ranging from commercial achievements to research developments. Starting from a brief introduction to the disease biomarkers, this review summarizes the working principles of the biosensing technologies, followed by a review of the commercial products and research advances in academia. We recapitulate the literatures with a wide scope of bio/marker detections, embracing nucleic acids, viral proteins, human immune responses, and other potential bio/markers. Further, the challenges and perspectives for their employment in future point-of-care applications are discussed, with an extended appraisal on the practical strategies to enlarge the testing capability without high cost. This critical review provides a comprehensive insight into the diagnostic tools for COVID-19 and will encourage the industry and academia in the field of diagnostic biosensing for future evolvement to large-scale point-of-care screening of COVID-19.
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Affiliation(s)
- Yu Shen
- Chemical and Environmental Engineering Department, University of California Riverside, Riverside, CA, 92521 USA
| | - Touhid Bin Anwar
- Chemical and Environmental Engineering Department, University of California Riverside, Riverside, CA, 92521 USA
| | - Ashok Mulchandani
- Chemical and Environmental Engineering Department, University of California Riverside, Riverside, CA, 92521 USA
- Center for Environmental Research and Technology (CE-CERT), University of California Riverside, Riverside, CA, 92507 USA
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Ng HY, Lee WC, Kung CT, Li LC, Lee CT, Fu LM. Recent Advances in Microfluidic Devices for Contamination Detection and Quality Inspection of Milk. MICROMACHINES 2021; 12:558. [PMID: 34068982 PMCID: PMC8156775 DOI: 10.3390/mi12050558] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Revised: 05/05/2021] [Accepted: 05/11/2021] [Indexed: 02/08/2023]
Abstract
Milk is a necessity for human life. However, it is susceptible to contamination and adulteration. Microfluidic analysis devices have attracted significant attention for the high-throughput quality inspection and contaminant analysis of milk samples in recent years. This review describes the major proposals presented in the literature for the pretreatment, contaminant detection, and quality inspection of milk samples using microfluidic lab-on-a-chip and lab-on-paper platforms in the past five years. The review focuses on the sample separation, sample extraction, and sample preconcentration/amplification steps of the pretreatment process and the determination of aflatoxins, antibiotics, drugs, melamine, and foodborne pathogens in the detection process. Recent proposals for the general quality inspection of milk samples, including the viscosity and presence of adulteration, are also discussed. The review concludes with a brief perspective on the challenges facing the future development of microfluidic devices for the analysis of milk samples in the coming years.
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Affiliation(s)
- Hwee-Yeong Ng
- Division of Nephrology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung 833, Taiwan; (H.-Y.N.); (W.-C.L.); (L.-C.L.); (C.-T.L.)
| | - Wen-Chin Lee
- Division of Nephrology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung 833, Taiwan; (H.-Y.N.); (W.-C.L.); (L.-C.L.); (C.-T.L.)
| | - Chia-Te Kung
- Department of Emergency Medicine, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung 833, Taiwan;
| | - Lung-Chih Li
- Division of Nephrology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung 833, Taiwan; (H.-Y.N.); (W.-C.L.); (L.-C.L.); (C.-T.L.)
| | - Chien-Te Lee
- Division of Nephrology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung 833, Taiwan; (H.-Y.N.); (W.-C.L.); (L.-C.L.); (C.-T.L.)
| | - Lung-Ming Fu
- Department of Engineering Science, National Cheng Kung University, Tainan 701, Taiwan
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12
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Microbial biosensor for Salmonella using anti-bacterial antibodies isolated from human serum. Enzyme Microb Technol 2020; 144:109721. [PMID: 33541568 DOI: 10.1016/j.enzmictec.2020.109721] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Revised: 11/24/2020] [Accepted: 11/26/2020] [Indexed: 11/22/2022]
Abstract
In this work, we present a novel microbial biosensor for Salmonella based on impedance spectrometry by using isolated antibodies against a specific bacterial strain from human serum. Anti-Salmonella (or BL21(DE3)) antibodies were isolated from human serum using S. enteritidis (or BL21(DE3)) and the mutant strain ClearColi. After the purification steps, the purification yield of the antibodies was calculated to be 0.2 %. From the FACS analysis, the isolated anti-Salmonella antibodies were estimated to have more than 6-fold higher binding affinity for S. enteritidis compared to antibodies against other kinds of Gram-negative bacterial strains, including HB101, ClearColi, JM110, DH5α, and BL21(DE3). Finally, the anti-Salmonella antibodies isolated herein were used for bacterial detection using electrochemical biosensors based on impedance spectrometry and the Rct value of the antibodies was estimated for S. enteritidis from the Nyquist plot. The limit of detection of the isolated anti-Salmonella antibodies was estimated to be 1.0 × 103 cells/mL for S. enteritidis and 1.0 × 106 cells/mL for BL21(DE3), respectively.
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Paul R, Ostermann E, Wei Q. Advances in point-of-care nucleic acid extraction technologies for rapid diagnosis of human and plant diseases. Biosens Bioelectron 2020; 169:112592. [PMID: 32942143 PMCID: PMC7476893 DOI: 10.1016/j.bios.2020.112592] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2020] [Revised: 09/01/2020] [Accepted: 09/02/2020] [Indexed: 12/22/2022]
Abstract
Global health and food security constantly face the challenge of emerging human and plant diseases caused by bacteria, viruses, fungi, and other pathogens. Disease outbreaks such as SARS, MERS, Swine Flu, Ebola, and COVID-19 (on-going) have caused suffering, death, and economic losses worldwide. To prevent the spread of disease and protect human populations, rapid point-of-care (POC) molecular diagnosis of human and plant diseases play an increasingly crucial role. Nucleic acid-based molecular diagnosis reveals valuable information at the genomic level about the identity of the disease-causing pathogens and their pathogenesis, which help researchers, healthcare professionals, and patients to detect the presence of pathogens, track the spread of disease, and guide treatment more efficiently. A typical nucleic acid-based diagnostic test consists of three major steps: nucleic acid extraction, amplification, and amplicon detection. Among these steps, nucleic acid extraction is the first step of sample preparation, which remains one of the main challenges when converting laboratory molecular assays into POC tests. Sample preparation from human and plant specimens is a time-consuming and multi-step process, which requires well-equipped laboratories and skilled lab personnel. To perform rapid molecular diagnosis in resource-limited settings, simpler and instrument-free nucleic acid extraction techniques are required to improve the speed of field detection with minimal human intervention. This review summarizes the recent advances in POC nucleic acid extraction technologies. In particular, this review focuses on novel devices or methods that have demonstrated applicability and robustness for the isolation of high-quality nucleic acid from complex raw samples, such as human blood, saliva, sputum, nasal swabs, urine, and plant tissues. The integration of these rapid nucleic acid preparation methods with miniaturized assay and sensor technologies would pave the road for the "sample-in-result-out" diagnosis of human and plant diseases, especially in remote or resource-limited settings.
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Affiliation(s)
- Rajesh Paul
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA
| | - Emily Ostermann
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA
| | - Qingshan Wei
- Department of Chemical and Biomolecular Engineering, North Carolina State University, Raleigh, NC, 27695, USA; Emerging Plant Disease and Global Food Security Cluster, North Carolina State University, Raleigh, NC, 27695, USA.
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Qasim M, Duong DD, Lee JY, Lee NY. Fabrication of polycaprolactone nanofibrous membrane‐embedded microfluidic device for water filtration. J Appl Polym Sci 2020. [DOI: 10.1002/app.49207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Muhammad Qasim
- Department of BioNano TechnologyGachon University Seongnam‐si Gyeonggi‐do, Republic of Korea
| | - Duong Duy Duong
- Department of BioNano TechnologyGachon University Seongnam‐si Gyeonggi‐do, Republic of Korea
| | - Ji Yi Lee
- Department of Environmental Science and EngineeringEwha Womans University Seoul Republic of Korea
| | - Nae Yoon Lee
- Department of BioNano TechnologyGachon University Seongnam‐si Gyeonggi‐do, Republic of Korea
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Campbell VR, Carson MS, Lao A, Maran K, Yang EJ, Kamei DT. Point-of-Need Diagnostics for Foodborne Pathogen Screening. SLAS Technol 2020; 26:55-79. [PMID: 33012245 DOI: 10.1177/2472630320962003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Foodborne illness is a major public health issue that results in millions of global infections annually. The burden of such illness sits mostly with developing countries, as access to advanced laboratory equipment and skilled lab technicians, as well as consistent power sources, is limited and expensive. Current gold standards in foodborne pathogen screening involve labor-intensive sample enrichment steps, pathogen isolation and purification, and costly readout machinery. Overall, time to detection can take multiple days, excluding the time it takes to ship samples to off-site laboratories. Efforts have been made to simplify the workflow of such tests by integrating multiple steps of foodborne pathogen screening procedures into a singular device, as well as implementing more point-of-need readout methods. In this review, we explore recent advancements in developing point-of-need devices for foodborne pathogen screening. We discuss the detection of surface markers, nucleic acids, and metabolic products using both paper-based and microfluidic devices, focusing primarily on developments that have been made between 2015 and mid-2020.
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Affiliation(s)
- Veronica R Campbell
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, CA, USA
| | - Mariam S Carson
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, CA, USA
| | - Amelia Lao
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, CA, USA
| | - Kajal Maran
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, CA, USA
| | - Eric J Yang
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, CA, USA
| | - Daniel T Kamei
- Department of Bioengineering, Henry Samueli School of Engineering and Applied Sciences, University of California, Los Angeles, CA, USA
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Bong JH, Kim HR, Yoo JW, Kang MJ, Shin MG, Lee JS, Shim WB, Lee SD, Pyun JC. One-step immunoassay without washing steps for influenza A virus detection using ISFET. Biosens Bioelectron 2020; 165:112341. [DOI: 10.1016/j.bios.2020.112341] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2020] [Revised: 05/27/2020] [Accepted: 05/29/2020] [Indexed: 01/07/2023]
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Park JM, Kim MJ, Noh JY, Yun TG, Kang MJ, Lee SG, Yoo BC, Pyun JC. Simultaneous Analysis of Multiple Cancer Biomarkers Using MALDI-TOF Mass Spectrometry Based on a Parylene-Matrix Chip. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2020; 31:917-926. [PMID: 32154716 DOI: 10.1021/jasms.9b00102] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Recently, the parylene-matrix chip was developed for quantitative analysis of small molecules less than 1 kDa. In this study, MALDI-TOF MS based on the parylene-matrix chip was performed to clinically diagnose intrahepatic cholangiocarcinoma (IHCC) and colorectal cancer (CRC). The parylene-matrix chip was applied for the detection of small cancer biomarkers, including N-methyl-2-pyridone-5-carboxamide (2PY), glutamine, lysophosphatidylcholine (LPC) 16:0, and LPC 18:0. The feasibility of MALDI-TOF MS based on the parylene-matrix chip was confirmed via analysis of spot-to-spot and shot-to-shot reproducibility. Serum metabolite markers of IHCC, N-methyl-2-pyridone-5-carboxamide (2PY), and glutamine were quantified using MALDI-TOF MS based on the parylene-matrix chip. For clinical diagnosis of CRC, two water-insoluble (barely soluble) biomarkers, lysophosphatidylcholine (LPC) 16:0 and LPC 18:0, were quantified. Finally, glutamine and LPC 16:0 were simultaneously detected at a range of concentrations in sera from colon cancer patients using the parylene-matrix chip. Thus, this method yielded high-throughput detection of cancer biomarkers for the mixture samples of water-soluble analytes (2PY and glutamine) and water-insoluble analytes (LPC 16:0 and LPC 18:0).
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Affiliation(s)
- Jong-Min Park
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Korea
| | - Moon-Ju Kim
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Korea
| | - Joo-Yoon Noh
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Korea
| | - Tae Gyeong Yun
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Korea
| | - Min-Jung Kang
- Korea Institute of Science and Technology (KIST), Seoul 02792, Korea
| | - Sang-Guk Lee
- Department of Laboratory Medicine, Severance Hospital, Yonsei University College of Medicine, Seoul 03722, Korea
| | - Byong Chul Yoo
- Biomarker Branch, Research Institute, National Cancer Center, Goyang 10408, Korea
| | - Jae-Chul Pyun
- Department of Materials Science and Engineering, Yonsei University, Seoul 03722, Korea
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Low-cost Point-of-Care Biosensors Using Common Electronic Components as Transducers. BIOCHIP JOURNAL 2020. [DOI: 10.1007/s13206-020-4104-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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