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Oyeyemi OT, Ogundahunsi O, Schunk M, Fatem RG, Shollenberger LM. Neglected tropical disease (NTD) diagnostics: current development and operations to advance control. Pathog Glob Health 2024; 118:1-24. [PMID: 37872790 PMCID: PMC10769148 DOI: 10.1080/20477724.2023.2272095] [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] [Indexed: 10/25/2023] Open
Abstract
Neglected tropical diseases (NTDs) have become important public health threats that require multi-faceted control interventions. As late treatment and management of NTDs contribute significantly to the associated burdens, early diagnosis becomes an important component for surveillance and planning effective interventions. This review identifies common NTDs and highlights the progress in the development of diagnostics for these NTDs. Leveraging existing technologies to improve NTD diagnosis and improving current operational approaches for deployment of developed diagnostics are crucial to achieving the 2030 NTD elimination target. Point-of-care NTD (POC-NTD) diagnostic tools are recommended preferred diagnostic options in resource-constrained areas for mapping risk zones and monitoring treatment efficacy. However, few are currently available commercially. Technical training of remote health care workers on the use of POC-NTD diagnostics, and training of health workers on the psychosocial consequences of these diagnostics are critical in harnessing POC-NTD diagnostic potential. While the COVID-19 pandemic has challenged the possibility of achieving NTD elimination in 2030 due to the disruption of healthcare services and dwindling financial support for NTDs, the possible contribution of NTDs in exacerbating COVID-19 pandemic should motivate NTD health system strengthening.
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Affiliation(s)
- Oyetunde T. Oyeyemi
- Department of Biosciences and Biotechnology, University of Medical Sciences, Ondo, Nigeria
- Department of Biological Sciences, Old Dominion University, Virginia, USA
| | - Olumide Ogundahunsi
- The Central Office for Research and Development (CORD), University of Medical Sciences, Ondo, Nigeria
| | - Mirjam Schunk
- Division of Infectious Diseases and Tropical Medicine, Medical Center of the University of Munich (LMU) institution, Munich, Germany
| | - Ramzy G. Fatem
- Schistosome Biological Supply Center, Theodor Bilharz Research Institute, Giza, Egypt
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2
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Li VYC, Udugama B, Kadhiresan P, Chan WCW. Sequential Reagent Release from a Layered Tablet for Multistep Diagnostic Assays. Anal Chem 2022; 94:17102-17111. [PMID: 36454606 DOI: 10.1021/acs.analchem.2c03315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
Abstract
Diagnostic assays are commonly performed in multiple steps, where reagents are added at specific times and concentrations into a reaction chamber. The reagents require storage, preparation, and addition in the correct sequence and amount. These steps rely on trained technicians and instrumentation to perform each task. The reliance on such resources hinders the use of these diagnostic assays by lay users. We developed a tablet that can sequentially introduce prequantified lyophilized diagnostic reagents at specific time points for a multistep assay. We designed the tablet to have multiple layers using cellulose-grade polymers, such as microcrystalline cellulose and hydroxypropyl cellulose. Our formulation allows each layer to dissolve at a controlled rate to introduce reagents into the solution sequentially. The release rate is controlled by modulating the compression force or chemical formulation of the layer. Controlling the reagent release time is important because different assays have specific times when reagents need to be added. As proof of concept, we demonstrated two different assays with our tablet system. Our tablet detected nucleic acid target (tpp47 gene from Treponema pallidum) and nitrite ions in an aqueous sample without user intervention. Our multilayer tablets can simplify multistep assay processes.
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Affiliation(s)
- Vanessa Y C Li
- Institute of Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada.,Terrence Donnelly Center for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada
| | - Buddhisha Udugama
- Institute of Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada.,Terrence Donnelly Center for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada
| | - Pranav Kadhiresan
- Institute of Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada.,Terrence Donnelly Center for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada
| | - Warren C W Chan
- Institute of Biomedical Engineering, University of Toronto, 164 College Street, Toronto, Ontario M5S 3G9, Canada.,Terrence Donnelly Center for Cellular and Biomolecular Research, University of Toronto, 160 College Street, Toronto, Ontario M5S 3E1, Canada.,Department of Chemistry, University of Toronto, 80 St. George, Toronto, Ontario M5S 3H6, Canada.,Materials Science and Engineering, University of Toronto, 14 College Street, Toronto, Ontario M5S 3G9, Canada
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3
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Sha Z, Wang C, Ma R, Gao X, Sun S. Microfluidic synthesis of Janus-structured QD-encoded magnetic microbeads for multiplex immunoassay. Mikrochim Acta 2022; 189:407. [PMID: 36198915 DOI: 10.1007/s00604-022-05507-y] [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: 04/11/2022] [Accepted: 09/26/2022] [Indexed: 10/10/2022]
Abstract
Uniform and monodisperse quantum dot (QD)-encoded magnetic microbeads with Janus structure were produced in a microfluidic device via photopolymerization. UV light through a microscope objective was used to solidify the microbeads which showed sharp interfaces and excellent magnetic responses. QDs with different emission peaks (450 nm for blue and 640 nm for red) were mixed at different ratios to provide three spectral codes. The QD-encoded microbeads can be distinguished by analyzing their fluorescent images in HSV color space. After hydrolysis of the anhydride group in alkaline solution, protein was immobilized on microbeads via activation of carboxyl groups using (1-ethyl-3(3-dimethylaminoprophyl) carbodiimide/N-hydroxysuccinimide (EDC/NHS). A microhole array in polydimethylsiloxane (PDMS) substrates with a specific size was fabricated to trap individual microbeads in a single microhole. The combination of Janus-structured QD-encoded magnetic microbeads and microhole arrays facilitates both flexibility, binding kinetics, sensitivity for suspension assay, and fluorescence mapping analysis for conventional biochips, thus providing a novel platform for multiplex bioanalysis. The capability of this integration for multiplex immunoassays was verified using three kinds of IgG and their corresponding anti-IgG. A detection limit of 0.07 ng/mL was achieved for human IgG, indicating practical applications in various fields.
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Affiliation(s)
- Zhou Sha
- Institute of Biopharmaceutical and Healthcare Engineering, Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
| | - Chunnan Wang
- Institute of Biopharmaceutical and Healthcare Engineering, Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
| | - Rui Ma
- Institute of Biopharmaceutical and Healthcare Engineering, Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
| | - Xiaochun Gao
- Institute of Biopharmaceutical and Healthcare Engineering, Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China
| | - Shuqing Sun
- Institute of Biopharmaceutical and Healthcare Engineering, Shenzhen International Graduate School, Tsinghua University, Shenzhen, 518055, China.
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4
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Soldado A, Barrio LC, Díaz-Gonzalez M, de la Escosura-Muñiz A, Costa-Fernandez JM. Advances in quantum dots as diagnostic tools. Adv Clin Chem 2022; 107:1-40. [PMID: 35337601 DOI: 10.1016/bs.acc.2021.07.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Quantum dots (QDs) are crystalline inorganic semiconductor nanoparticles a few nanometers in size that possess unique optical electronic properties vs those of larger materials. For example, QDs usually exhibit a strong and long-lived photoluminescence emission, a feature dependent on size, shape and composition. These special optoelectronic properties make them a promising alternative to conventional luminescent dyes as optical labels in biomedical applications including biomarker quantification, biomolecule targeting and molecular imaging. A key parameter for use of QDs is to functionalize their surface with suitable (bio)molecules to provide stability in aqueous solutions and efficient and selective tagging biomolecules of interest. Researchers have successfully developed biocompatible QDs and have linked them to various biomolecule recognition elements, i.e., antibodies, proteins, DNA, etc. In this chapter, QD synthesis and characterization strategies are reviewed as well as the development of nanoplatforms for luminescent biosensing and imaging-guided targeting. Relevant biomedical applications are highlighted with a particular focus on recent progress in ultrasensitive detection of clinical biomarkers. Finally, key future research goals to functionalize QDs as diagnostic tools are explored.
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Affiliation(s)
- Ana Soldado
- Department of Physical and Analytical Chemistry, University of Oviedo, Oviedo, Spain
| | - Laura Cid Barrio
- Department of Physical and Analytical Chemistry, University of Oviedo, Oviedo, Spain
| | - María Díaz-Gonzalez
- Department of Physical and Analytical Chemistry, University of Oviedo, Oviedo, Spain
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5
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Rong X, Ailing F, Xiaodong L, Jie H, Min L. Monitoring hepatitis B by using point-of-care testing: biomarkers, current technologies, and perspectives. Expert Rev Mol Diagn 2021; 21:195-211. [PMID: 33467927 DOI: 10.1080/14737159.2021.1876565] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Introduction: Liver diseases caused by hepatitis B virus (HBV) are pandemic infectious diseases that seriously endanger human health, conventional diagnosis methods can not meet the requirements in resource-limited areas. The point of acre detection methods can easily resolve those problems. Herein, we review the most recent advances in POC-based hepatitis B detection methods and present some recommendations for future development. It aims to provide ideas for future research.Areas covered: Epidemiological data on Hepatitis B, conventional diagnostic methods for hepatitis B detection, some latest point of care detection methods for hepatitis B detection and list out the recommendations for future development.Expert opinion: This manuscript summarized traditional biomarkers of different hepatitis B stages and recent-developed POCT platforms (including microfluidic platforms and lateral-flow strips) and discuss the challenges associated with their use. Some emerging biomarkers that can be used in hepatitis B diagnosis are also listed. This manuscript has certain guiding significance to the development of hepatitis B detection.
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Affiliation(s)
- Xu Rong
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji, China
| | - Feng Ailing
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji, China
| | - Li Xiaodong
- Institute of Physics & Optoelectronics Technology, Baoji University of Arts and Sciences, Baoji, China
| | - Hu Jie
- Suzhou DiYinAn Biotech Co., Ltd. & Suzhou Innovation Center for Life Science and Technology, Suzhou, China
| | - Lin Min
- The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, China
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6
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Wang X, Li F, Guo Y. Recent Trends in Nanomaterial-Based Biosensors for Point-of-Care Testing. Front Chem 2020; 8:586702. [PMID: 33195085 PMCID: PMC7596383 DOI: 10.3389/fchem.2020.586702] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Accepted: 09/07/2020] [Indexed: 12/15/2022] Open
Abstract
In recent years, nanomaterials of different shape, size, and composition have been prepared and characterized, such as gold and silver nanoparticles, quantum dots, mesoporous silica nanoparticles, carbon nanomaterials, and hybrid nanocomposites. Because of their unique physical and chemical properties, these nanomaterials are increasingly used in point-of-care testing (POCT) to improve analytical performance and simplify detection process. They are used either as carriers for immobilizing biorecognition elements, or as labels for signal generation, transduction and amplification. In this commentary, we highlight recent POCT technologies that employ nanotechnology for the analysis of disease biomarkers, including small-molecule metabolites, enzymes, proteins, nucleic acids, cancer cells, and pathogens. Recent advances in lateral flow tests, printable electrochemical biosensors, and microfluidics-based devices are summarized. Existing challenges and future directions are also discussed.
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Affiliation(s)
- Xu Wang
- Wyss Institute for Biologically Inspired Engineering, Harvard University, Boston, MA, United States
| | - Feng Li
- College of Chemistry, Sichuan University, Chengdu, China.,Department of Chemistry, Brock University, St. Catharines, ON, Canada
| | - Yirong Guo
- Institute of Pesticide and Environmental Toxicology, Zhejiang University, Hangzhou, China
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7
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Advances in Continuous Microfluidics-Based Technologies for the Study of HIV Infection. Viruses 2020; 12:v12090982. [PMID: 32899657 PMCID: PMC7552050 DOI: 10.3390/v12090982] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 08/28/2020] [Accepted: 09/02/2020] [Indexed: 12/31/2022] Open
Abstract
HIV-1 is the causative agent of acquired immunodeficiency syndrome (AIDS). It affects millions of people worldwide and the pandemic persists despite the implementation of highly active antiretroviral therapy. A wide spectrum of techniques has been implemented in order to diagnose and monitor AIDS progression over the years. Besides the conventional approaches, microfluidics has provided useful methods for monitoring HIV-1 infection. In this review, we introduce continuous microfluidics as well as the fabrication and handling of microfluidic chips. We provide a review of the different applications of continuous microfluidics in AIDS diagnosis and progression and in the basic study of the HIV-1 life cycle.
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8
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Quantum Dot Bioconjugates for Diagnostic Applications. Top Curr Chem (Cham) 2020; 378:35. [PMID: 32219574 DOI: 10.1007/s41061-020-0296-6] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Accepted: 02/29/2020] [Indexed: 01/22/2023]
Abstract
Quantum dots (QDs) are a special type of engineered nanomaterials with outstanding optoelectronic properties that make them as a very promising alternative to conventional luminescent dyes in biomedical applications, including biomolecule (BM) targeting, luminescence imaging and drug delivery. A key parameter to ensure successful biomedical applications of QDs is the appropriate surface modification, i.e. the surface of the nanomaterials should be modified with the appropriate functional groups to ensure stability in aqueous solutions and it should be conjugated with recognition elements capable of ensuring an efficient tagging of the BMs of interest. In this review we summarize the most relevant strategies used for surface modification of QDs and for their conjugation to BMs in preparation of their application in nanoplatforms for luminescent BM sensing and imaging-guided targeting. The applications of conjugations of photoluminescent QDs with different BMs in both in vitro and in vivo chemical sensing, immunoassays or luminescence imaging are reviewed. Recent progress in the application of functionalized QDs in ultrasensitive detection in bioanalysis, diagnostics and imaging strategies are reported. Finally, some key future research goals in the progress of bioconjugation of QDs for diagnosis are identified, including novel synthetic approaches, the need for exhaustive characterization of bioconjugates and the design of signal amplification schemes.
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9
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Fluorescent microbeads for point-of-care testing: a review. Mikrochim Acta 2019; 186:361. [PMID: 31101985 DOI: 10.1007/s00604-019-3449-y] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 04/14/2019] [Indexed: 02/06/2023]
Abstract
Microbead-based point-of-care testing (POCT) has demonstrated great promise in translating detection modalities from bench-side to bed-side. This is due to the ease of visualization, high surface area-to-volume ratio of beads for efficient target binding, and efficient encoding capability for simultaneous detection of multiple analytes. This review (with 112 references) summarizes the progress made in the field of fluorescent microbead-based POCT. Following an introduction into the field, a first large section sums up techniques and materials for preparing microbeads, typically of dye-labelled particles, various kinds of quantum dots and upconversion materials. Further subsections cover the encapsulation of nanoparticles into microbeads, decoration of nanoparticles on microbeads, and in situ embedding of nanoparticles during microbead synthesis. A next large section summarizes microbead-based fluorometric POCT, with subsections on detection of nucleic acids, proteins, circulating tumor cells and bacteria. A further section covers emerging POCT based on the use of smartphones or flexible microchips. The last section gives conclusions and an outlook on current challenges and possible solutions. Aside from giving an overview on the state of the art, we expect this article to boost the further development of POCT technology. Graphical Abstract Schematic presentation of the fabrication of microbeads, the detection targets of interest including bacteria, circulating tumor cells (CTCs), protein and nucleic acid, and the emerging point-of-care testing (POCT) platform. The colored wheels of the bus represent the fluorescent materials embedded in (red color) or decorated on the surface of microbeads (green color).
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10
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Markwalter C, Kantor AG, Moore CP, Richardson KA, Wright DW. Inorganic Complexes and Metal-Based Nanomaterials for Infectious Disease Diagnostics. Chem Rev 2019; 119:1456-1518. [PMID: 30511833 PMCID: PMC6348445 DOI: 10.1021/acs.chemrev.8b00136] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Indexed: 12/12/2022]
Abstract
Infectious diseases claim millions of lives each year. Robust and accurate diagnostics are essential tools for identifying those who are at risk and in need of treatment in low-resource settings. Inorganic complexes and metal-based nanomaterials continue to drive the development of diagnostic platforms and strategies that enable infectious disease detection in low-resource settings. In this review, we highlight works from the past 20 years in which inorganic chemistry and nanotechnology were implemented in each of the core components that make up a diagnostic test. First, we present how inorganic biomarkers and their properties are leveraged for infectious disease detection. In the following section, we detail metal-based technologies that have been employed for sample preparation and biomarker isolation from sample matrices. We then describe how inorganic- and nanomaterial-based probes have been utilized in point-of-care diagnostics for signal generation. The following section discusses instrumentation for signal readout in resource-limited settings. Next, we highlight the detection of nucleic acids at the point of care as an emerging application of inorganic chemistry. Lastly, we consider the challenges that remain for translation of the aforementioned diagnostic platforms to low-resource settings.
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Affiliation(s)
| | | | | | | | - David W. Wright
- Department of Chemistry, Vanderbilt
University, Nashville, Tennessee 37235, United States
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11
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Kurmashev A, Kwon S, Park JK, Kang JH. Vertically sheathing laminar flow-based immunoassay using simultaneous diffusion-driven immune reactions. RSC Adv 2019; 9:23791-23796. [PMID: 35530621 PMCID: PMC9069447 DOI: 10.1039/c9ra03855h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 07/24/2019] [Indexed: 11/21/2022] Open
Abstract
Simultaneous infusion of primary and secondary antibodies of different diffusivity into vertical laminar flows enables the improved immune reactions.
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Affiliation(s)
- Amanzhol Kurmashev
- Department of Biomedical Engineering
- School of Life Sciences
- Ulsan National Institute of Science and Technology (UNIST)
- Ulsan
- Republic of Korea
| | - Seyong Kwon
- Department of Biomedical Engineering
- School of Life Sciences
- Ulsan National Institute of Science and Technology (UNIST)
- Ulsan
- Republic of Korea
| | - Je-Kyun Park
- Department of Bio and Brain Engineering
- Korea Advanced Institute of Science and Technology (KAIST)
- Daejeon
- Republic of Korea
| | - Joo H. Kang
- Department of Biomedical Engineering
- School of Life Sciences
- Ulsan National Institute of Science and Technology (UNIST)
- Ulsan
- Republic of Korea
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12
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Yan K, Liu Y, Guan Y, Bhokisham N, Tsao CY, Kim E, Shi XW, Wang Q, Bentley WE, Payne GF. Catechol-chitosan redox capacitor for added amplification in electrochemical immunoanalysis. Colloids Surf B Biointerfaces 2018; 169:470-477. [PMID: 29852436 DOI: 10.1016/j.colsurfb.2018.05.048] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 05/20/2018] [Accepted: 05/21/2018] [Indexed: 02/08/2023]
Abstract
Antibodies are common recognition elements for molecular detection but often the signals generated by their stoichiometric binding must be amplified to enhance sensitivity. Here, we report that an electrode coated with a catechol-chitosan redox capacitor can amplify the electrochemical signal generated from an alkaline phosphatase (AP) linked immunoassay. Specifically, the AP product p-aminophenol (PAP) undergoes redox-cycling in the redox capacitor to generate amplified oxidation currents. We estimate an 8-fold amplification associated with this redox-cycling in the capacitor (compared to detection by a bare electrode). Importantly, this capacitor-based amplification is generic and can be coupled to existing amplification approaches based on enzyme-linked catalysis or magnetic nanoparticle-based collection/concentration. Thus, the capacitor should enhance sensitivities in conventional immunoassays and also provide chemical to electrical signal transduction for emerging applications in molecular communication.
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Affiliation(s)
- Kun Yan
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Wuhan University, Wuhan 430079, China
| | - Yi Liu
- Institute for Bioscience and Biotechnology Research, University of Maryland, College Park, MD 20742, USA; Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Yongguang Guan
- Department of Nutrition and Food Science, University of Maryland, College Park, MD 20742, USA
| | - Narendranath Bhokisham
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Chen-Yu Tsao
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Eunkyoung Kim
- Institute for Bioscience and Biotechnology Research, University of Maryland, College Park, MD 20742, USA; Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Xiao-Wen Shi
- School of Resource and Environmental Science, Hubei International Scientific and Technological Cooperation Base of Sustainable Resource and Energy, Wuhan University, Wuhan 430079, China.
| | - Qin Wang
- Department of Nutrition and Food Science, University of Maryland, College Park, MD 20742, USA
| | - William E Bentley
- Institute for Bioscience and Biotechnology Research, University of Maryland, College Park, MD 20742, USA; Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Gregory F Payne
- Institute for Bioscience and Biotechnology Research, University of Maryland, College Park, MD 20742, USA; Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA.
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13
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Advances in point-of-care technologies for molecular diagnostics. Biosens Bioelectron 2017; 98:494-506. [DOI: 10.1016/j.bios.2017.07.024] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2017] [Revised: 07/06/2017] [Accepted: 07/10/2017] [Indexed: 12/31/2022]
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14
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Alorabi AQ, Tarn MD, Gómez-Pastora J, Bringas E, Ortiz I, Paunov VN, Pamme N. On-chip polyelectrolyte coating onto magnetic droplets - towards continuous flow assembly of drug delivery capsules. LAB ON A CHIP 2017; 17:3785-3795. [PMID: 28991297 DOI: 10.1039/c7lc00918f] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Polyelectrolyte (PE) microcapsules for drug delivery are typically fabricated via layer-by-layer (LbL) deposition of PE layers of alternating charge on sacrificial template microparticles, which usually requires multiple incubation and washing steps that render the process repetitive and time-consuming. Here, ferrofluid droplets were explored for this purpose as an elegant alternative of templates that can be easily manipulated via an external magnetic field, and require only a simple microfluidic chip design and setup. Glass microfluidic devices featuring T-junctions or flow focusing junctions for the generation of oil-based ferrofluid droplets in an aqueous continuous phase were investigated. Droplet size was controlled by the microfluidic channel dimensions as well as the flow rates of the ferrofluid and aqueous phases. The generated droplets were stabilised by a surface active polymer, polyvinylpyrrolidone (PVP), and then guided into a chamber featuring alternating, co-laminar PE solutions and wash streams, and deflected across them by means of an external permanent magnet. The extent of droplet deflection was tailored by the flow rates, the concentration of magnetic nanoparticles in the droplets, and the magnetic field strength. PVP-coated ferrofluid droplets were deflected through solutions of polyelectrolyte and washing streams using several iterations of multilaminar flow designs. This culminated in an innovative "Snakes-and-Ladders" inspired microfluidic chip design that overcame various issues of the previous iterations for the deposition of layers of anionic poly(sodium-4-styrene sulfonate) (PSS) and cationic poly(fluorescein isothiocyanate allylamine hydrochloride) (PAH-FITC) onto the droplets. The presented method demonstrates a simple and rapid process for PE layer deposition in <30 seconds, and opens the way towards rapid layer-by-layer assembly of PE microcapsules for drug delivery applications.
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Affiliation(s)
- Ali Q Alorabi
- School of Mathematics and Physical Sciences, University of Hull, Cottingham Road, Hull, HU6 7RX, UK.
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15
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Kim J, Mohamed MAA, Zagorovsky K, Chan WCW. State of diagnosing infectious pathogens using colloidal nanomaterials. Biomaterials 2017; 146:97-114. [PMID: 28898761 PMCID: PMC7124370 DOI: 10.1016/j.biomaterials.2017.08.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2017] [Revised: 08/07/2017] [Accepted: 08/13/2017] [Indexed: 01/08/2023]
Abstract
Infectious diseases are a major global threat that accounts for one of the leading causes of global mortality and morbidity. Prompt diagnosis is a crucial first step in the management of infectious threats, which aims to quarantine infected patients to avoid contacts with healthy individuals and deliver effective treatments prior to further spread of diseases. This review article discusses current advances of diagnostic systems using colloidal nanomaterials (e.g., gold nanoparticles, quantum dots, magnetic nanoparticles) for identifying and differentiating infectious pathogens. The challenges involved in the clinical translation of these emerging nanotechnology based diagnostic devices will also be discussed.
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Affiliation(s)
- Jisung Kim
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada; Terrence Donnelly Centre for Cellular and Bimolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada; Centre for Global Engineering, University of Toronto, Toronto, Ontario M5S 1A4, Canada
| | - Mohamed A Abdou Mohamed
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada; Terrence Donnelly Centre for Cellular and Bimolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada; Botany and Microbiology Department, Faculty of Science, Zagazig University, Egypt
| | - Kyryl Zagorovsky
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada; Terrence Donnelly Centre for Cellular and Bimolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada
| | - Warren C W Chan
- Institute of Biomaterials and Biomedical Engineering, University of Toronto, Toronto, Ontario M5S 3G9, Canada; Terrence Donnelly Centre for Cellular and Bimolecular Research, University of Toronto, Toronto, Ontario M5S 3E1, Canada; Department of Chemistry, University of Toronto, Toronto, Ontario M5S 3H6, Canada; Department of Chemical Engineering, University of Toronto, Toronto, Ontario M5S 3E5, Canada; Department of Materials Science and Engineering, University of Toronto, Toronto, Ontario M5S 3E4, Canada.
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16
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Moro L, Turemis M, Marini B, Ippodrino R, Giardi MT. Better together: Strategies based on magnetic particles and quantum dots for improved biosensing. Biotechnol Adv 2017; 35:51-63. [DOI: 10.1016/j.biotechadv.2016.11.007] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2016] [Revised: 09/29/2016] [Accepted: 11/27/2016] [Indexed: 12/14/2022]
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17
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Tarn MD, Pamme N. On-Chip Magnetic Particle-Based Immunoassays Using Multilaminar Flow for Clinical Diagnostics. Methods Mol Biol 2017; 1547:69-83. [PMID: 28044288 DOI: 10.1007/978-1-4939-6734-6_6] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Magnetic particles have become popular in recent years for immunoassays due to their high surface-to-volume ratio and the ease of their manipulation. However, such assays also require multiple reaction and washing steps that are both time-consuming and manually laborious. Here, we describe a setup and methodology for performing rapid immunoassays on magnetic particles in continuous flow via their deflection through multiple laminar flow streams of reagents and washing solutions. In particular, we focus on the use of the microfluidic platform for a C-reactive protein (CRP) sandwich immunoassay in less than 60 s.
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Affiliation(s)
- Mark D Tarn
- Department of Chemistry, The University of Hull, Cottingham Road, Hull, HU6 7RX, UK
| | - Nicole Pamme
- Department of Chemistry, The University of Hull, Cottingham Road, Hull, HU6 7RX, UK.
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18
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Liu S, Su W, Ding X. A Review on Microfluidic Paper-Based Analytical Devices for Glucose Detection. SENSORS 2016; 16:s16122086. [PMID: 27941634 PMCID: PMC5191067 DOI: 10.3390/s16122086] [Citation(s) in RCA: 79] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 10/31/2016] [Accepted: 11/02/2016] [Indexed: 12/26/2022]
Abstract
Glucose, as an essential substance directly involved in metabolic processes, is closely related to the occurrence of various diseases such as glucose metabolism disorders and islet cell carcinoma. Therefore, it is crucial to develop sensitive, accurate, rapid, and cost effective methods for frequent and convenient detections of glucose. Microfluidic Paper-based Analytical Devices (μPADs) not only satisfying the above requirements but also occupying the advantages of portability and minimal sample consumption, have exhibited great potential in the field of glucose detection. This article reviews and summarizes the most recent improvements in glucose detection in two aspects of colorimetric and electrochemical μPADs. The progressive techniques for fabricating channels on μPADs are also emphasized in this article. With the growth of diabetes and other glucose indication diseases in the underdeveloped and developing countries, low-cost and reliably commercial μPADs for glucose detection will be in unprecedentedly demand.
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Affiliation(s)
- Shuopeng Liu
- Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China.
| | - Wenqiong Su
- Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China.
| | - Xianting Ding
- Institute for Personalized Medicine, School of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200030, China.
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19
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Luppa PB, Bietenbeck A, Beaudoin C, Giannetti A. Clinically relevant analytical techniques, organizational concepts for application and future perspectives of point-of-care testing. Biotechnol Adv 2016; 34:139-60. [DOI: 10.1016/j.biotechadv.2016.01.003] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 01/15/2016] [Accepted: 01/17/2016] [Indexed: 01/19/2023]
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20
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Kim J, Biondi MJ, Feld JJ, Chan WCW. Clinical Validation of Quantum Dot Barcode Diagnostic Technology. ACS NANO 2016; 10:4742-4753. [PMID: 27035744 DOI: 10.1021/acsnano.6b01254] [Citation(s) in RCA: 82] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
There has been a major focus on the clinical translation of emerging technologies for diagnosing patients with infectious diseases, cancer, heart disease, and diabetes. However, most developments still remain at the academic stage where researchers use spiked target molecules to demonstrate the utility of a technology and assess the analytical performance. This approach does not account for the biological complexities and variabilities of human patient samples. As a technology matures and potentially becomes clinically viable, one important intermediate step in the translation process is to conduct a full clinical validation of the technology using a large number of patient samples. Here, we present a full detailed clinical validation of Quantum Dot (QD) barcode technology for diagnosing patients infected with Hepatitis B Virus (HBV). We further demonstrate that the detection of multiple regions of the viral genome using multiplexed QD barcodes improved clinical sensitivity from 54.9-66.7% to 80.4-90.5%, and describe how to use QD barcodes for optimal clinical diagnosis of patients. The use of QDs in biology and medicine was first introduced in 1998 but has not reached clinical care. This study describes our long-term systematic development strategy to advance QD technology to a clinically feasible product for diagnosing patients. Our "blueprint" for translating the QD barcode research concept could be adapted for other nanotechnologies, to efficiently advance diagnostic techniques discovered in the academic laboratory to patient care.
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Affiliation(s)
- Jisung Kim
- Institute of Biomaterials and Biomedical Engineering, University of Toronto , Toronto, Ontario M5S 3G9, Canada
- Terrence Donnelly Centre for Cellular and Bimolecular Research, University of Toronto , Toronto, Ontario M5S 3E1, Canada
| | - Mia J Biondi
- Sandra Rotman Centre for Global Health, University Health Network , Toronto, Ontario M5G 1L7, Canada
| | - Jordan J Feld
- Sandra Rotman Centre for Global Health, University Health Network , Toronto, Ontario M5G 1L7, Canada
| | - Warren C W Chan
- Institute of Biomaterials and Biomedical Engineering, University of Toronto , Toronto, Ontario M5S 3G9, Canada
- Terrence Donnelly Centre for Cellular and Bimolecular Research, University of Toronto , Toronto, Ontario M5S 3E1, Canada
- Department of Chemistry, University of Toronto , Toronto, Ontario M5S 3H6, Canada
- Department of Chemical Engineering, University of Toronto , Toronto, Ontario M5S 3E5, Canada
- Department of Materials Science and Engineering, University of Toronto , Toronto, Ontario M5S 3E4, Canada
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21
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Udukala DN, Wang H, Wendel SO, Malalasekera AP, Samarakoon TN, Yapa AS, Abayaweera G, Basel MT, Maynez P, Ortega R, Toledo Y, Bossmann L, Robinson C, Janik KE, Koper OB, Li P, Motamedi M, Higgins DA, Gadbury G, Zhu G, Troyer DL, Bossmann SH. Early breast cancer screening using iron/iron oxide-based nanoplatforms with sub-femtomolar limits of detection. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2016; 7:364-373. [PMID: 27335730 PMCID: PMC4901534 DOI: 10.3762/bjnano.7.33] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/22/2015] [Accepted: 02/17/2016] [Indexed: 06/06/2023]
Abstract
Proteases, including matrix metalloproteinases (MMPs), tissue serine proteases, and cathepsins (CTS) exhibit numerous functions in tumor biology. Solid tumors are characterized by changes in protease expression levels by tumor and surrounding tissue. Therefore, monitoring protease levels in tissue samples and liquid biopsies is a vital strategy for early cancer detection. Water-dispersable Fe/Fe3O4-core/shell based nanoplatforms for protease detection are capable of detecting protease activity down to sub-femtomolar limits of detection. They feature one dye (tetrakis(carboxyphenyl)porphyrin (TCPP)) that is tethered to the central nanoparticle by means of a protease-cleavable consensus sequence and a second dye (Cy 5.5) that is directly linked. Based on the protease activities of urokinase plasminogen activator (uPA), MMPs 1, 2, 3, 7, 9, and 13, as well as CTS B and L, human breast cancer can be detected at stage I by means of a simple serum test. By monitoring CTS B and L stage 0 detection may be achieved. This initial study, comprised of 46 breast cancer patients and 20 apparently healthy human subjects, demonstrates the feasibility of protease-activity-based liquid biopsies for early cancer diagnosis.
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Affiliation(s)
- Dinusha N Udukala
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Hongwang Wang
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Sebastian O Wendel
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Aruni P Malalasekera
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Thilani N Samarakoon
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Asanka S Yapa
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Gayani Abayaweera
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Matthew T Basel
- Kansas State University, Department of Anatomy & Physiology, 228 Coles Hall, Manhattan, KS, USA
| | - Pamela Maynez
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Raquel Ortega
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Yubisela Toledo
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Leonie Bossmann
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Colette Robinson
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Katharine E Janik
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Olga B Koper
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Ping Li
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Massoud Motamedi
- The University of Texas Medical Branch, 301 University Boulevard, Galveston, TX, USA
| | - Daniel A Higgins
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
| | - Gary Gadbury
- Kansas State University, Department of Statistics, 101 Dickens Hall, Manhattan, KS, USA
| | - Gaohong Zhu
- The First Affiliated Hospital of Kunming Medical University, Department of Nuclear Medicine, 295 Xichang Road, Kunming, Yunnan, PR China
| | - Deryl L Troyer
- Kansas State University, Department of Anatomy & Physiology, 228 Coles Hall, Manhattan, KS, USA
| | - Stefan H Bossmann
- Kansas State University, Department of Chemistry, 213 CBC Building, Manhattan, KS, USA
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22
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Wei X, Tian T, Jia S, Zhu Z, Ma Y, Sun J, Lin Z, Yang CJ. Microfluidic Distance Readout Sweet Hydrogel Integrated Paper-Based Analytical Device (μDiSH-PAD) for Visual Quantitative Point-of-Care Testing. Anal Chem 2016; 88:2345-52. [DOI: 10.1021/acs.analchem.5b04294] [Citation(s) in RCA: 145] [Impact Index Per Article: 18.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Xiaofeng Wei
- MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials, Key Laboratory for Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- MOE Key Laboratory
of Analysis and Detection for Food Safety, Fujian Provincial Key Laboratory
of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Tian Tian
- MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials, Key Laboratory for Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Shasha Jia
- MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials, Key Laboratory for Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Zhi Zhu
- MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials, Key Laboratory for Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yanli Ma
- MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials, Key Laboratory for Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Jianjun Sun
- MOE Key Laboratory
of Analysis and Detection for Food Safety, Fujian Provincial Key Laboratory
of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Zhenyu Lin
- MOE Key Laboratory
of Analysis and Detection for Food Safety, Fujian Provincial Key Laboratory
of Analysis and Detection Technology for Food Safety, Department of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China
| | - Chaoyong James Yang
- MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Collaborative Innovation Center of Chemistry for Energy Materials, Key Laboratory for Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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23
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Zhou J, Yang Y, Zhang CY. Toward Biocompatible Semiconductor Quantum Dots: From Biosynthesis and Bioconjugation to Biomedical Application. Chem Rev 2015; 115:11669-717. [DOI: 10.1021/acs.chemrev.5b00049] [Citation(s) in RCA: 472] [Impact Index Per Article: 52.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Juan Zhou
- State
Key Laboratory of Virology, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan 430071, China
- Single-Molecule
Detection and Imaging Laboratory, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Yong Yang
- Single-Molecule
Detection and Imaging Laboratory, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
| | - Chun-yang Zhang
- College
of Chemistry, Chemical Engineering and Materials Science, Collaborative
Innovation Center of Functionalized Probes for Chemical Imaging in
Universities of Shandong, Key Laboratory of Molecular and Nano Probes,
Ministry of Education, Shandong Provincial Key Laboratory of Clean
Production of Fine Chemicals, Shandong Normal University, Jinan 250014, China
- Single-Molecule
Detection and Imaging Laboratory, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China
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24
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Leng Y, Sun K, Chen X, Li W. Suspension arrays based on nanoparticle-encoded microspheres for high-throughput multiplexed detection. Chem Soc Rev 2015; 44:5552-95. [PMID: 26021602 PMCID: PMC5223091 DOI: 10.1039/c4cs00382a] [Citation(s) in RCA: 157] [Impact Index Per Article: 17.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Spectrometrically or optically encoded microsphere based suspension array technology (SAT) is applicable to the high-throughput, simultaneous detection of multiple analytes within a small, single sample volume. Thanks to the rapid development of nanotechnology, tremendous progress has been made in the multiplexed detecting capability, sensitivity, and photostability of suspension arrays. In this review, we first focus on the current stock of nanoparticle-based barcodes as well as the manufacturing technologies required for their production. We then move on to discuss all existing barcode-based bioanalysis patterns, including the various labels used in suspension arrays, label-free platforms, signal amplification methods, and fluorescence resonance energy transfer (FRET)-based platforms. We then introduce automatic platforms for suspension arrays that use superparamagnetic nanoparticle-based microspheres. Finally, we summarize the current challenges and their proposed solutions, which are centered on improving encoding capacities, alternative probe possibilities, nonspecificity suppression, directional immobilization, and "point of care" platforms. Throughout this review, we aim to provide a comprehensive guide for the design of suspension arrays, with the goal of improving their performance in areas such as multiplexing capacity, throughput, sensitivity, and cost effectiveness. We hope that our summary on the state-of-the-art development of these arrays, our commentary on future challenges, and some proposed avenues for further advances will help drive the development of suspension array technology and its related fields.
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Affiliation(s)
- Yuankui Leng
- The State Key Lab of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai 200240, China.
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25
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Cho M, Chung S, Kim YT, Jung JH, Kim DH, Seo TS. A fully integrated microdevice for biobarcode assay based biological agent detection. LAB ON A CHIP 2015; 15:2744-2748. [PMID: 26032690 DOI: 10.1039/c5lc00355e] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
An integrated microdevice, consisting of a micropump, a passive mixer, a magnetic separation chamber, and a microcapillary electrophoretic channel, was constructed for biobarcode assay based multiplex biological agent detection in a sample-to-answer-out manner within 30 min with high sensitivity.
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Affiliation(s)
- Minkyung Cho
- Department of Chemical and Biomolecular Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 305-701, Republic of Korea.
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26
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Abstract
Recent progress in quantum dot (QD) based chemo- and biosensors for various applications is summarized.
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Affiliation(s)
- Lei Cui
- College of Science
- School of Environment and Architecture
- University of Shanghai for Science and Technology
- Shanghai 200293
- PR China
| | - Xiao-Peng He
- Key Laboratory for Advanced Materials & Institute of Fine Chemicals
- East China University of Science and Technology (ECUST)
- Shanghai 200237
- PR China
| | - Guo-Rong Chen
- Key Laboratory for Advanced Materials & Institute of Fine Chemicals
- East China University of Science and Technology (ECUST)
- Shanghai 200237
- PR China
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27
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Tarn MD, Elders LT, Peyman SA, Pamme N. Diamagnetic repulsion of particles for multilaminar flow assays. RSC Adv 2015. [DOI: 10.1039/c5ra21867e] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A continuous multilaminar flow reaction was performed on functionalised polymer particlesviadiamagnetic repulsion forces, using a simple, inexpensive setup.
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28
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Microfluidic platform towards point-of-care diagnostics in infectious diseases. J Chromatogr A 2014; 1377:13-26. [PMID: 25544727 DOI: 10.1016/j.chroma.2014.12.041] [Citation(s) in RCA: 125] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2014] [Revised: 12/06/2014] [Accepted: 12/09/2014] [Indexed: 01/09/2023]
Abstract
Rapid and timely diagnosis of infectious diseases is a critical determinant of clinical outcomes and general public health. For the detection of various pathogens, microfluidics-based platforms offer many advantages, including speed, cost, portability, high throughput, and automation. This review provides an overview of the recent advances in microfluidic technologies for point-of-care (POC) diagnostics for infectious diseases. The key aspects of such technologies for the development of a fully integrated POC platform are introduced, including sample preparation, on-chip nucleic acid analysis and immunoassay, and system integration/automation. The current challenges to practical implementation of this technology are discussed together with future perspectives.
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29
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Phurimsak C, Tarn MD, Peyman SA, Greenman J, Pamme N. On-Chip Determination of C-Reactive Protein Using Magnetic Particles in Continuous Flow. Anal Chem 2014; 86:10552-9. [DOI: 10.1021/ac5023265] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Chayakom Phurimsak
- Department
of Chemistry, The University of Hull, Cottingham Road, Hull, HU6 7RX, United Kingdom
| | - Mark D. Tarn
- Department
of Chemistry, The University of Hull, Cottingham Road, Hull, HU6 7RX, United Kingdom
| | - Sally A. Peyman
- Department
of Chemistry, The University of Hull, Cottingham Road, Hull, HU6 7RX, United Kingdom
| | - John Greenman
- School
of Biological, Biomedical and Environmental Sciences, The University of Hull, Cottingham Road, Hull, HU6 7RX, United Kingdom
| | - Nicole Pamme
- Department
of Chemistry, The University of Hull, Cottingham Road, Hull, HU6 7RX, United Kingdom
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30
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Abstract
SUMMARYPractical diagnostic tools of sufficient sensitivity to detect levels of infection that can lead to transmission have been identified as a critical component of successful disease elimination programmes. In this review we describe the diagnostic tests currently available for six neglected tropical diseases that have been targeted for elimination; assess their performance in the light of the requirements for surveillance, certification of elimination and post-elimination surveillance; consider the unmet need for diagnostic tests for these diseases; and review recent technical developments that could meet these needs.
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31
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Phurimsak C, Yildirim E, Tarn MD, Trietsch SJ, Hankemeier T, Pamme N, Vulto P. Phaseguide assisted liquid lamination for magnetic particle-based assays. LAB ON A CHIP 2014; 14:2334-2343. [PMID: 24832933 DOI: 10.1039/c4lc00139g] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
We have developed a magnetic particle-based assay platform in which functionalised magnetic particles are transferred sequentially through laminated volumes of reagents and washing buffers. Lamination of aqueous liquids is achieved via the use of phaseguide technology; microstructures that control the advancing air-liquid interface of solutions as they enter a microfluidic chamber. This allows manual filling of the device, eliminating the need for external pumping systems, and preparation of the system requires only a few minutes. Here, we apply the platform to two on-chip strategies: (i) a one-step streptavidin-biotin binding assay, and (ii) a two-step C-reactive protein immunoassay. With these, we demonstrate how condensing multiple reaction and washing processes into a single step significantly reduces procedural times, with both assay procedures requiring less than 8 seconds.
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Affiliation(s)
- Chayakom Phurimsak
- Department of Chemistry, The University of Hull, Cottingham Road, Hull, HU6 7RX, UK.
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32
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Culbertson CT, Mickleburgh TG, Stewart-James SA, Sellens KA, Pressnall M. Micro total analysis systems: fundamental advances and biological applications. Anal Chem 2014; 86:95-118. [PMID: 24274655 PMCID: PMC3951881 DOI: 10.1021/ac403688g] [Citation(s) in RCA: 106] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
| | - Tom G. Mickleburgh
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, USA
| | | | - Kathleen A. Sellens
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, USA
| | - Melissa Pressnall
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, USA
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33
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Tarn MD, Lopez-Martinez MJ, Pamme N. On-chip processing of particles and cells via multilaminar flow streams. Anal Bioanal Chem 2013; 406:139-61. [DOI: 10.1007/s00216-013-7363-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Revised: 09/09/2013] [Accepted: 09/10/2013] [Indexed: 10/26/2022]
Affiliation(s)
- Mark D Tarn
- Department of Chemistry, The University of Hull, Cottingham Road, Hull, HU6 7RX, UK
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34
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