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Duarte LC, Figueredo F, Chagas CLS, Cortón E, Coltro WKT. A review of the recent achievements and future trends on 3D printed microfluidic devices for bioanalytical applications. Anal Chim Acta 2024; 1299:342429. [PMID: 38499426 DOI: 10.1016/j.aca.2024.342429] [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: 09/16/2023] [Revised: 02/25/2024] [Accepted: 02/26/2024] [Indexed: 03/20/2024]
Abstract
3D printing has revolutionized the manufacturing process of microanalytical devices by enabling the automated production of customized objects. This technology promises to become a fundamental tool, accelerating investigations in critical areas of health, food, and environmental sciences. This microfabrication technology can be easily disseminated among users to produce further and provide analytical data to an interconnected network towards the Internet of Things, as 3D printers enable automated, reproducible, low-cost, and easy fabrication of microanalytical devices in a single step. New functional materials are being investigated for one-step fabrication of highly complex 3D printed parts using photocurable resins. However, they are not yet widely used to fabricate microfluidic devices. This is likely the critical step towards easy and automated fabrication of sophisticated, complex, and functional 3D-printed microchips. Accordingly, this review covers recent advances in the development of 3D-printed microfluidic devices for point-of-care (POC) or bioanalytical applications such as nucleic acid amplification assays, immunoassays, cell and biomarker analysis and organs-on-a-chip. Finally, we discuss the future implications of this technology and highlight the challenges in researching and developing appropriate materials and manufacturing techniques to enable the production of 3D-printed microfluidic analytical devices in a single step.
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Affiliation(s)
- Lucas C Duarte
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil; Instituto Federal de Educação, Ciência e Tecnologia de Goiás, Campus Inhumas, 75402-556, Inhumas, GO, Brazil
| | - Federico Figueredo
- Laboratorio de Biosensores y Bioanalisis (LABB), Departamento de Química Biológica e IQUIBICEN-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, CABA, Argentina
| | - Cyro L S Chagas
- Instituto de Química, Universidade de Brasília, 70910-900, Brasília, DF, Brazil
| | - Eduardo Cortón
- Laboratorio de Biosensores y Bioanalisis (LABB), Departamento de Química Biológica e IQUIBICEN-CONICET, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, CABA, Argentina
| | - Wendell K T Coltro
- Instituto de Química, Universidade Federal de Goiás, 74690-900, Goiânia, GO, Brazil; Instituto Nacional de Ciência e Tecnologia de Bioanalítica, 13084-971, Campinas, SP, Brazil.
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Bachmann I, Behrmann O, Klingenberg-Ernst M, Rupnik M, Hufert FT, Dame G, Weidmann M. Rapid Isothermal Detection of Pathogenic Clostridioides difficile Using Recombinase Polymerase Amplification. Anal Chem 2024; 96:3267-3275. [PMID: 38358754 DOI: 10.1021/acs.analchem.3c02985] [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: 02/16/2024]
Abstract
Nosocomial-associated diarrhea due to Clostridioides difficile infection (CDI) is diagnosed after sample precultivation by the detection of the toxins in enzyme immunoassays or via toxin gene nucleic acid amplification. Rapid and direct diagnosis is important for targeted treatment to prevent severe cases and recurrence. We developed two singleplex and a one-pot duplex fluorescent 15 min isothermal recombinase polymerase amplification (RPA) assays targeting the toxin genes A and B (tcdA and tcdB). Furthermore, we adapted the singleplex RPA to a 3D-printed microreactor device. Analytical sensitivity was determined using a DNA standard and DNA extracts of 20 C. difficile strains with different toxinotypes. Nineteen clostridial and gastrointestinal bacteria strains were used to determine analytical specificity. Adaptation of singleplex assays to duplex assays in a 50 μL volume required optimized primer and probe concentrations. A volume reduction by one-fourth (12.4 μL) was established for the 3D-printed microreactor. Mixing of RPA was confirmed as essential for optimal analytical sensitivity. Detection limits (LOD) ranging from 119 to 1411 DNA molecules detected were similar in the duplex tube format and in the singleplex 3D-printed microreactor format. The duplex RPA allows the simultaneous detection of both toxins important for the timely and reliable diagnosis of CDI. The 3D-printed reaction chamber can be developed into a microfluidic lab-on-a-chip system use at the point of care.
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Affiliation(s)
- Iris Bachmann
- Institute of Microbiology and Virology, Brandenburg Medical School Theodor Fontane, Universitätsplatz 1, 01968 Senftenberg, Germany
| | - Ole Behrmann
- Institute of Microbiology and Virology, Brandenburg Medical School Theodor Fontane, Universitätsplatz 1, 01968 Senftenberg, Germany
| | | | - Maja Rupnik
- Center for Medical Microbiology, Department for Microbiological Research, National Laboratory for Health, Environment and Food, Prvomajska ulica 1, 2000 Maribor, Slovenia
- Faculty of Medicine, Maribor, University of Maribor, Taborska ulica 8, 2000 Maribor, Slovenia
| | - Frank T Hufert
- Institute of Microbiology and Virology, Brandenburg Medical School Theodor Fontane, Universitätsplatz 1, 01968 Senftenberg, Germany
- Department of Virology, University Medical Center, Kreuzbergring 57, 37075 Göttingen, Germany
- Brandenburg University of Technology Cottbus - Senftenberg, Universitätsplatz 1, 01968 Senftenberg, Germany
- Faculty of Health Sciences, Joint Faculty of the Brandenburg University of Technology Cottbus - Senftenberg, the Brandenburg Medical School Theodor Fontane and the University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany
| | - Gregory Dame
- Institute of Microbiology and Virology, Brandenburg Medical School Theodor Fontane, Universitätsplatz 1, 01968 Senftenberg, Germany
- Faculty of Health Sciences, Joint Faculty of the Brandenburg University of Technology Cottbus - Senftenberg, the Brandenburg Medical School Theodor Fontane and the University of Potsdam, Karl-Liebknecht-Str. 24-25, 14476 Potsdam, Germany
| | - Manfred Weidmann
- Institute of Microbiology and Virology, Brandenburg Medical School Theodor Fontane, Universitätsplatz 1, 01968 Senftenberg, Germany
- Department of Virology, University Medical Center, Kreuzbergring 57, 37075 Göttingen, Germany
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Wang J, Jiang H, Pan L, Gu X, Xiao C, Liu P, Tang Y, Fang J, Li X, Lu C. Rapid on-site nucleic acid testing: On-chip sample preparation, amplification, and detection, and their integration into all-in-one systems. Front Bioeng Biotechnol 2023; 11:1020430. [PMID: 36815884 PMCID: PMC9930993 DOI: 10.3389/fbioe.2023.1020430] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 01/12/2023] [Indexed: 02/04/2023] Open
Abstract
As nucleic acid testing is playing a vital role in increasingly many research fields, the need for rapid on-site testing methods is also increasing. The test procedure often consists of three steps: Sample preparation, amplification, and detection. This review covers recent advances in on-chip methods for each of these three steps and explains the principles underlying related methods. The sample preparation process is further divided into cell lysis and nucleic acid purification, and methods for the integration of these two steps on a single chip are discussed. Under amplification, on-chip studies based on PCR and isothermal amplification are covered. Three isothermal amplification methods reported to have good resistance to PCR inhibitors are selected for discussion due to their potential for use in direct amplification. Chip designs and novel strategies employed to achieve rapid extraction/amplification with satisfactory efficiency are discussed. Four detection methods providing rapid responses (fluorescent, optical, and electrochemical detection methods, plus lateral flow assay) are evaluated for their potential in rapid on-site detection. In the final section, we discuss strategies to improve the speed of the entire procedure and to integrate all three steps onto a single chip; we also comment on recent advances, and on obstacles to reducing the cost of chip manufacture and achieving mass production. We conclude that future trends will focus on effective nucleic acid extraction via combined methods and direct amplification via isothermal methods.
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Affiliation(s)
- Jingwen Wang
- Key Laboratory of Specialty Agri-products Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Han Jiang
- Key Laboratory of Specialty Agri-products Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Leiming Pan
- Zhejiang Hongzheng Testing Co., Ltd., Ningbo, China
| | - Xiuying Gu
- Zhejiang Gongzheng Testing Center Co., Ltd., Hangzhou, China
| | - Chaogeng Xiao
- Institute of Food Science, Zhejiang Academy of Agricultural Science, Hangzhou, China
| | - Pengpeng Liu
- Key Laboratory of Biosafety detection for Zhejiang Market Regulation, Zhejiang Fangyuan Testing Group LO.T, Hangzhou, China
| | - Yulong Tang
- Hangzhou Tiannie Technology Co., Ltd., Hangzhou, China
| | - Jiehong Fang
- Key Laboratory of Specialty Agri-products Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Xiaoqian Li
- Key Laboratory of Specialty Agri-products Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, China
| | - Chenze Lu
- Key Laboratory of Specialty Agri-products Quality and Hazard Controlling Technology of Zhejiang Province, College of Life Sciences, China Jiliang University, Hangzhou, China
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Development of a Real-Time Recombinase-Aided Amplification Method to Rapidly Detect Methicillin-Resistant Staphylococcus aureus. Microorganisms 2022; 10:microorganisms10122351. [PMID: 36557604 PMCID: PMC9784193 DOI: 10.3390/microorganisms10122351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Revised: 10/03/2022] [Accepted: 10/31/2022] [Indexed: 11/29/2022] Open
Abstract
Methicillin-resistant staphylococcus aureus (MRSA) is a major pathogen responsible for human hospital and community-onset diseases and severe invasive livestock infections. Rapid detection of MRSA is essential to control the spread of MRSA. Conventional identification methods and antibacterial susceptibility tests of MRSA are time-consuming. The commonly used qPCR assay also has the disadvantages of being complicated and expensive, restricting its application in resource-limited clinical laboratories. Here, a real-time fluorescent recombinase-assisted amplification (RAA) assay targeting the most conserved regions within the mecA gene of MRSA was developed and evaluated to detect MRSA. The detection limit of this assay was determined to be 10 copies/reaction of positive plasmids. The established RAA assay showed high specificity for MRSA detection without cross-reactivities with other clinically relevant bacteria. The diagnostic performance of real-time RAA was evaluated using 67 clinical S. aureus isolates from dairy farms, which were detected in parallel using the TaqMan probe qPCR assay. The results showed that 56 and 54 samples tested positive for MRSA by RAA and qPCR, respectively. The overall agreement between both assays was 97.01% (65/67), with a kappa value of 0.9517 (p < 0.001). Further linear regression analysis demonstrated that the detection results between the two assays were significantly correlated (R2 = 0.9012, p < 0.0001), indicating that this RAA assay possesses similar detection performance to the qPCR assay. In conclusion, our newly established RAA assay is a time-saving and convenient diagnostic tool suitable for MRSA detection and screening.
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Dorendorf A, Bachmann I, Spiegel M, Abd El Wahed A, Dame G, Hufert F. Rapid detection of human coronavirus NL63 by isothermal reverse transcription recombinase polymerase amplification. JOURNAL OF CLINICAL VIROLOGY PLUS 2022; 2:100115. [PMID: 36248766 PMCID: PMC9546502 DOI: 10.1016/j.jcvp.2022.100115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/05/2022] [Accepted: 10/07/2022] [Indexed: 11/06/2022] Open
Abstract
Background Human coronaviruses are one of the leading causes for respiratory tract infections and for frequent primary care consultation. The human coronavirus NL63 (HCoV..µNL63) is one representative of the seasonal coronaviruses and capable of infecting the upper and lower respiratory tract and causative agent for croup in children. Objectives For fast detection of HCoV-NL63, we developed an isothermal reverse transcription recombinase polymerase amplification (RT-RPA) assay. Study design The analytical sensitivities of the RT-RPA assay were identified for in vitro transcribed ribonucleic acid (RNA) and for genomic viral RNA from cell culture supernatant. Moreover, specificity was tested with nucleic acids from other human coronaviruses and a variety of clinically relevant respiratory viruses. Finally, a clinical nasopharyngeal swab sample with spiked genomic viral HCoV-NL63 RNA was analyzed. Results Our HCoV-NL63 RT-RPA assay is highly specific and has an analytical sensitivity of 13 RNA molecules/reaction for in vitro transcribed RNA. For genomic viral RNA from cell culture supernatant spiked into a clinical nasopharyngeal swab sample the assay...s analytical sensitivity is 170 RNA molecules/reaction. The assay shows amplification of the lowest detectable target copy number after 8 minutes and 7 minutes, respectively. Conclusions We were able to design a sensitive and specific RT-RPA assay for the detection of HCoV-NL63. Additionally, the assay is characterized by short duration, isothermal amplification, and simple instrumentation.
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Affiliation(s)
- Aline Dorendorf
- Institute of Microbiology and Virology, Brandenburg Medical School Theodor Fontane, Neuruppin, Germany
| | - Iris Bachmann
- Institute of Microbiology and Virology, Brandenburg Medical School Theodor Fontane, Neuruppin, Germany
| | - Martin Spiegel
- Institute of Microbiology and Virology, Brandenburg Medical School Theodor Fontane, Neuruppin, Germany.,Infection Biology Unit, German Primate Center-Leibniz Institute for Primate Research, Göttingen, Germany
| | - Ahmed Abd El Wahed
- Institute of Animal Hygiene and Veterinary Public Health, University of Leipzig, Germany
| | - Gregory Dame
- Institute of Microbiology and Virology, Brandenburg Medical School Theodor Fontane, Neuruppin, Germany
| | - Frank Hufert
- Institute of Microbiology and Virology, Brandenburg Medical School Theodor Fontane, Neuruppin, Germany.,Brandenburg University of Technology Cottbus, Senftenberg, Germany.,Faculty of Health Sciences, Joint Faculty of Brandenburg University of Technology Cottbus - Senftenberg, Brandenburg Medical School Theodor Fontane, Neuruppin and University of Potsdam, Potsdam, Germany
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