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Mahmud MA, Xu LH, Usatinsky A, Dos Santos CC, Little DJ, Tsai SSH, Rackus DG. Semiquantitative Paper-Based Microfluidic Surrogate Virus Neutralization Test for SARS-CoV-2 Neutralizing Antibodies. Anal Chem 2024; 96:11751-11759. [PMID: 38980117 DOI: 10.1021/acs.analchem.4c01165] [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: 07/10/2024]
Abstract
Neutralizing antibodies (nAbs) produced from infection or vaccination play an important role in acquired immunity. Determining virus-specific nAb titers is a useful tool for measuring aquired immunity in an individual. The standard methods to do so rely on titrating serum samples against live virus and monitoring viral infection in cultured cells which requires high biosafety level containment. The surrogate virus neutralization test (sVNT) reduces the biohazards and it is suitable for designing rapid test device in a lateral flow assay (LFA) format. Here, we introduce the fabrication and development of a unique paper-based LFA device for determining the level of SARS-CoV-2 nAb in a sample with a semiquantitative direct colorimetric readout. A LFA-based gradient assay design was used to facilitate the sVNT, where the spike glycoprotein receptor binding domain (RBD) and angiotensin-converting enzyme 2 (ACE2) stand in as proxies for viruses and cells, respectively. The gradient assay employed multiple test dots of ACE2 spotted in increasing concentration along the sample flow path and gold nanoparticle-conjugated RBD for readout. In this way, the number of developed spots is inversely proportional to the concentration of nAbs present in the sample. The assay was tested with both standard solutions of nAb as well as human serum samples. We have demonstrated that the device can effectively provide semiquantitative test results of nAbs by direct instrument-free colorimetric detection.
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Affiliation(s)
- Md Almostasim Mahmud
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada
- Institute for Biomedical Engineering, Science and Technology (iBEST), a partnership between St. Michael's Hospital, a site of Unity Health Toronto and Toronto Metropolitan University, Toronto, Ontario M5B 1T8, Canada
- Department of Mechanical, Industrial, and Mechatronics Engineering, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada
- Keenan Research Centre for Biomedical Science at St. Michael's Hospital, Toronto, Ontario M5B 1T8, Canada
| | - Liangcheng Henry Xu
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada
| | - Anat Usatinsky
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada
| | - Claudia C Dos Santos
- Keenan Research Centre for Biomedical Science at St. Michael's Hospital, Toronto, Ontario M5B 1T8, Canada
- Institute of Medical Science, University of Toronto, Toronto, Ontario M5S 3H2, Canada
| | - Dustin J Little
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada
| | - Scott S H Tsai
- Institute for Biomedical Engineering, Science and Technology (iBEST), a partnership between St. Michael's Hospital, a site of Unity Health Toronto and Toronto Metropolitan University, Toronto, Ontario M5B 1T8, Canada
- Department of Mechanical, Industrial, and Mechatronics Engineering, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada
- Keenan Research Centre for Biomedical Science at St. Michael's Hospital, Toronto, Ontario M5B 1T8, Canada
| | - Darius G Rackus
- Department of Chemistry and Biology, Toronto Metropolitan University, Toronto, Ontario M5B 2K3, Canada
- Institute for Biomedical Engineering, Science and Technology (iBEST), a partnership between St. Michael's Hospital, a site of Unity Health Toronto and Toronto Metropolitan University, Toronto, Ontario M5B 1T8, Canada
- Keenan Research Centre for Biomedical Science at St. Michael's Hospital, Toronto, Ontario M5B 1T8, Canada
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Malik S, Singh J, Saini K, Chaudhary V, Umar A, Ibrahim AA, Akbar S, Baskoutas S. Paper-based sensors: affordable, versatile, and emerging analyte detection platforms. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:2777-2809. [PMID: 38639474 DOI: 10.1039/d3ay02258g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/20/2024]
Abstract
Paper-based sensors, often referred to as paper-based analytical devices (PADs), stand as a transformative technology in the field of analytical chemistry. They offer an affordable, versatile, and accessible solution for diverse analyte detection. These sensors harness the unique properties of paper substrates to provide a cost-effective and adaptable platform for rapid analyte detection, spanning chemical species, biomolecules, and pathogens. This review highlights the key attributes that make paper-based sensors an attractive choice for analyte detection. PADs demonstrate their versatility by accommodating a wide range of analytes, from ions and gases to proteins, nucleic acids, and more, with customizable designs for specific applications. Their user-friendly operation and minimal infrastructure requirements suit point-of-care diagnostics, environmental monitoring, food safety, and more. This review also explores various fabrication methods such as inkjet printing, wax printing, screen printing, dip coating, and photolithography. Incorporating nanomaterials and biorecognition elements promises even more sophisticated and sensitive applications.
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Affiliation(s)
- Sumit Malik
- Department of Chemistry, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133203, Haryana, India.
| | - Joginder Singh
- Department of Chemistry, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133203, Haryana, India.
| | - Kajal Saini
- Department of Chemistry, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133203, Haryana, India.
| | - Vivek Chaudhary
- Department of Chemistry, Maharishi Markandeshwar (Deemed to be University), Mullana, Ambala, 133203, Haryana, India.
| | - Ahmad Umar
- Department of Chemistry, Faculty of Science and Arts, Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran-11001, Kingdom of Saudi Arabia.
- Department of Materials Science and Engineering, The Ohio State University, Columbus 43210, OH, USA
- STEM Pioneers Training Lab, Najran University, Najran 11001, Kingdom of Saudi Arabia
| | - Ahmed A Ibrahim
- Department of Chemistry, Faculty of Science and Arts, Promising Centre for Sensors and Electronic Devices (PCSED), Najran University, Najran-11001, Kingdom of Saudi Arabia.
- STEM Pioneers Training Lab, Najran University, Najran 11001, Kingdom of Saudi Arabia
| | - Sheikh Akbar
- Department of Materials Science and Engineering, The Ohio State University, Columbus 43210, OH, USA
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Yang D, Hu C, Zhang H, Geng S. Recent Developments in Paper-Based Sensors with Instrument-Free Signal Readout Technologies (2020-2023). BIOSENSORS 2024; 14:36. [PMID: 38248413 PMCID: PMC10812998 DOI: 10.3390/bios14010036] [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: 12/08/2023] [Revised: 12/31/2023] [Accepted: 01/09/2024] [Indexed: 01/23/2024]
Abstract
Signal readout technologies that do not require any instrument are essential for improving the convenience and availability of paper-based sensors. Thanks to the remarkable progress in material science and nanotechnology, paper-based sensors with instrument-free signal readout have been developed for multiple purposes, such as biomedical detection, environmental pollutant tracking, and food analysis. In this review, the developments in instrument-free signal readout technologies for paper-based sensors from 2020 to 2023 are summarized. The instrument-free signal readout technologies, such as distance-based signal readout technology, counting-based signal readout technology, text-based signal readout technology, as well as other transduction technologies, are briefly introduced, respectively. On the other hand, the applications of paper-based sensors with instrument-free signal readout technologies are summarized, including biomedical analysis, environmental analysis, food analysis, and other applications. Finally, the potential and difficulties associated with the advancement of paper-based sensors without instruments are discussed.
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Affiliation(s)
- Danni Yang
- Chongqing Engineering Research Center of Pharmaceutical Sciences, Chongqing Medical and Pharmaceutical College, Chongqing 401331, China;
| | - Chengju Hu
- Health Management Center, The Affiliated Dazu Hospital of Chongqing Medical University, Chongqing 402360, China;
| | - Hao Zhang
- Chongqing Engineering Research Center of Pharmaceutical Sciences, Chongqing Medical and Pharmaceutical College, Chongqing 401331, China;
| | - Shan Geng
- Department of Endocrinology, The Affiliated Dazu Hospital of Chongqing Medical University, Chongqing 402360, China
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Wang J, Yang T, Li Z, Zhou K, Xiao B, Yu P. Semi-quantitative analysis of nickel: counting-based μPADs built via hand drawing and yellow oily double-sided adhesive tape. RSC Adv 2022; 12:30457-30465. [PMCID: PMC9598315 DOI: 10.1039/d2ra03892g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022] Open
Abstract
Counting-based μPADs were fabricated by hand drawing and yellow oily double-sided adhesive tape, and then successfully applied for the semi-quantitative analysis of nickel.
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Affiliation(s)
- Jian Wang
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
| | - Tong Yang
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
| | - Zhengjia Li
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
| | - Kecen Zhou
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
| | - Bo Xiao
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
| | - Peng Yu
- School of Materials Science and Engineering, Xiangtan University, Xiangtan 411105, China
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Noviana E, Ozer T, Carrell CS, Link JS, McMahon C, Jang I, Henry CS. Microfluidic Paper-Based Analytical Devices: From Design to Applications. Chem Rev 2021; 121:11835-11885. [DOI: 10.1021/acs.chemrev.0c01335] [Citation(s) in RCA: 91] [Impact Index Per Article: 30.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Eka Noviana
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Universitas Gadjah Mada, Yogyakarta, Indonesia 55281
| | - Tugba Ozer
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
- Department of Bioengineering, Faculty of Chemical and Metallurgical Engineering, Yildiz Technical University, Istanbul, Turkey 34220
| | - Cody S. Carrell
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Jeremy S. Link
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Catherine McMahon
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Ilhoon Jang
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
- Institute of Nano Science and Technology, Hanyang University, Seoul, South Korea 04763
| | - Charles S. Henry
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
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Modha S, Castro C, Tsutsui H. Recent developments in flow modeling and fluid control for paper-based microfluidic biosensors. Biosens Bioelectron 2021; 178:113026. [PMID: 33545552 DOI: 10.1016/j.bios.2021.113026] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 12/31/2020] [Accepted: 01/19/2021] [Indexed: 12/30/2022]
Abstract
Over the last 10 years, researchers have shown that paper is a promising substrate for affordable biosensors. The field of paper-microfluidics has evolved rapidly in that time, with simple colorimetric assays giving way to more complex electrochemical devices that can handle multiple samples at a given time. As paper devices become more complex, the ability to precisely control different fluids simultaneously becomes a challenge. Specifically, automated flow control is a necessary attribute to make paper-based devices more useable in resource-limited settings. Flow control strategies on paper are typically developed experimentally through trial-and-error, with little focus on theory. This is because flow behavior in paper is not well understood and sometimes difficult to predict precisely. Additionally, popular theoretical models are too simplistic, making them unsuitable for complex device designs and application conditions. A better understanding of flow theory would allow devices conceived straight from theoretical models. This could save time and resources by reducing experimental work. In this review, we provide an overview of different theoretical models used to characterize imbibition in paper substrates and document the latest flow control strategies that have been applied to automated fluid control on paper. Additionally, we look at current efforts to commercialize paper-based devices along with challenges facing this industry.
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Affiliation(s)
- Sidharth Modha
- Department of Bioengineering, University of California, Riverside, Riverside, CA, 92521, USA
| | - Carlos Castro
- Department of Mechanical Engineering, California State Polytechnic University, Pomona, Pomona, CA, 91768, USA
| | - Hideaki Tsutsui
- Department of Bioengineering, University of California, Riverside, Riverside, CA, 92521, USA; Department of Mechanical Engineering, University of California, Riverside, Riverside, CA, 92521, USA; Stem Cell Center, University of California, Riverside, Riverside, CA, 92521, USA.
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