1
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Franck N, Vera Candioti L, Gerlero GS, Urteaga R, Kler PA. A simple method for the assessment of electrophoretic mobility in porous media. Electrophoresis 2024; 45:589-598. [PMID: 37853649 DOI: 10.1002/elps.202300180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2023] [Revised: 09/22/2023] [Accepted: 10/04/2023] [Indexed: 10/20/2023]
Abstract
Developing paper-based electrophoretic methods involve dealing with significant uncertainty levels when compared to their capillary counterparts. Critical information for developing these kinds of methods are the electrophoretic mobility of background electrolytes and samples. This work presents the design and characterization of a device for measuring the electrophoretic mobilities of dyes in porous media. The device was developed with the aim of validating a previously presented model and also proposing a protocol for the straightforward determination of electrophoretic mobilities in porous media when open-channel values are already known. Whatman #1 paper was used as a model substrate as far as it is the most common porous medium substrate for paper-based electrophoresis. The device was designed using a numerical simulation-assisted approach, utilizing OpenFOAM® and specific solvers for capillary transport and electromigration, namely porousMicroTransport and electroMicroTransport, respectively. The electrophoretic mobilities of five dyes were analyzed experimentally with the proposed device. To establish appropriate comparative values at different pHs, experiments in fused silica capillaries were also performed. An effective parameter model for describing the electrophoretic behavior of dyes in porous media, that is, the constriction factor, was found consistent with previous reports for the Whatman #1 paper. This consistency was found after considering (via direct measurements) the chromatographic effect of the medium over each dye. Consequently, the recorded values hold significant worth due to their potential for direct application in designing new experiments or devices in Whatman #1 paper. With the validation of the model through the experiments with the proposed device, those researchers interested on developing electrophoretic methods in porous substrates can make use of the open-channel electrophoretic mobilities reported in the literature, or in the well-known software databases, and correct them for the media of interest just by performing two simple characterization steps.
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Affiliation(s)
- Nicolás Franck
- Centro de Investigación en Métodos Computacionales (CIMEC, UNL-CONICET), Santa Fe, Argentina
- Instituto de Física del Litoral (IFIS Litoral, UNL-CONICET), Santa Fe, Argentina
| | - Luciana Vera Candioti
- Departamento de Ciencias Biológicas, Cátedra de Bromatología y Nutrición-(FBCB,UNL-CONICET), Ciudad Universitaria, Santa Fe, Argentina
| | - Gabriel S Gerlero
- Centro de Investigación en Métodos Computacionales (CIMEC, UNL-CONICET), Santa Fe, Argentina
- Universidad Nacional de Rafaela, Rafaela, Santa Fe, Argentina
| | - Raúl Urteaga
- Instituto de Física del Litoral (IFIS Litoral, UNL-CONICET), Santa Fe, Argentina
| | - Pablo A Kler
- Centro de Investigación en Métodos Computacionales (CIMEC, UNL-CONICET), Santa Fe, Argentina
- Departamento de Ingeniería en Sistemas de Información, FRSF-UTN, Lavaise, Santa Fe, Argentina
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2
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Rypar T, Bezdekova J, Pavelicova K, Vodova M, Adam V, Vaculovicova M, Macka M. Low-tech vs. high-tech approaches in μPADs as a result of contrasting needs and capabilities of developed and developing countries focusing on diagnostics and point-of-care testing. Talanta 2024; 266:124911. [PMID: 37536103 DOI: 10.1016/j.talanta.2023.124911] [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: 01/04/2023] [Revised: 06/28/2023] [Accepted: 07/02/2023] [Indexed: 08/05/2023]
Abstract
Paper-based analysis has captivated scientists' attention in the field of analytical chemistry and related areas for the last two decades. Arguably no other area of modern chemical analysis is so broad and diverse in its approaches spanning from simple 'low-tech' low-cost paper-based analytical devices (PADs) requiring no or simple instrumentation, to sophisticated PADs and microfluidic paper-based analytical devices (μPADs) featuring elements of modern material science and nanomaterials affording high selectivity and sensitivity. Correspondingly diverse is the applicability, covering resource-limited scenarios on the one hand and most advanced approaches on the other. Herein we offer a view reflecting this diversity in the approaches and types of devices. The core idea of this article rests in dividing μPADs according to their type into two groups: A) instrumentation-free μPADs for resource-limited scenarios or developing countries and B) instrumentation-based μPADs as futuristic POC devices for e-diagnostics mainly aimed at developed countries. Each of those two groups is presented and discussed with the view of the main requirements in the given area, the most common targets, sample types and suitable detection approaches either implementing high-tech elements or low-tech low-cost approaches. Finally, a socioeconomic perspective is offered in discussing the fabrication and operational costs of μPADs, and, future perspectives are offered.
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Affiliation(s)
- Tomas Rypar
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Jaroslava Bezdekova
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Kristyna Pavelicova
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Milada Vodova
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Vojtech Adam
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Marketa Vaculovicova
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic
| | - Mirek Macka
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1, 613 00, Brno, Czech Republic; Central European Institute of Technology, Brno University of Technology, Purkynova 123, 612 00, Brno, Czech Republic; Australian Centre for Research on Separation Science and School o Natural Sciences, University of Tasmania, Private Bag 75, Hobart TAS, 7001, Australia.
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3
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Lee SM, Balakrishnan HK, Doeven EH, Yuan D, Guijt RM. Chemical Trends in Sample Preparation for Nucleic Acid Amplification Testing (NAAT): A Review. BIOSENSORS 2023; 13:980. [PMID: 37998155 PMCID: PMC10669371 DOI: 10.3390/bios13110980] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/01/2023] [Revised: 11/02/2023] [Accepted: 11/07/2023] [Indexed: 11/25/2023]
Abstract
Nucleic acid amplification testing facilitates the detection of disease through specific genomic sequences and is attractive for point-of-need testing (PONT); in particular, the early detection of microorganisms can alert early response systems to protect the public and ecosystems from widespread outbreaks of biological threats, including infectious diseases. Prior to nucleic acid amplification and detection, extensive sample preparation techniques are required to free nucleic acids and extract them from the sample matrix. Sample preparation is critical to maximize the sensitivity and reliability of testing. As the enzymatic amplification reactions can be sensitive to inhibitors from the sample, as well as from chemicals used for lysis and extraction, avoiding inhibition is a significant challenge, particularly when minimising liquid handling steps is also desirable for the translation of the assay to a portable format for PONT. The reagents used in sample preparation for nucleic acid testing, covering lysis and NA extraction (binding, washing, and elution), are reviewed with a focus on their suitability for use in PONT.
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Affiliation(s)
- Soo Min Lee
- Centre for Regional and Rural Futures (CeRRF), Deakin University, Locked Bag 20000, Geelong, VIC 3220, Australia
| | - Hari Kalathil Balakrishnan
- Department of Chemical Engineering, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates;
| | - Egan H. Doeven
- School of Life and Environmental Sciences, Deakin University, Locked Bag 20000, Geelong, VIC 3220, Australia;
| | - Dan Yuan
- School of Mechanical and Mining Engineering, The University of Queensland, Brisbane, QLD 4072, Australia;
| | - Rosanne M. Guijt
- Centre for Regional and Rural Futures (CeRRF), Deakin University, Locked Bag 20000, Geelong, VIC 3220, Australia
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4
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Bao M, Waitkus J, Liu L, Chang Y, Xu Z, Qin P, Chen J, Du K. Micro- and nanosystems for the detection of hemorrhagic fever viruses. LAB ON A CHIP 2023; 23:4173-4200. [PMID: 37675935 DOI: 10.1039/d3lc00482a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/08/2023]
Abstract
Hemorrhagic fever viruses (HFVs) are virulent pathogens that can cause severe and often fatal illnesses in humans. Timely and accurate detection of HFVs is critical for effective disease management and prevention. In recent years, micro- and nano-technologies have emerged as promising approaches for the detection of HFVs. This paper provides an overview of the current state-of-the-art systems for micro- and nano-scale approaches to detect HFVs. It covers various aspects of these technologies, including the principles behind their sensing assays, as well as the different types of diagnostic strategies that have been developed. This paper also explores future possibilities of employing micro- and nano-systems for the development of HFV diagnostic tools that meet the practical demands of clinical settings.
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Affiliation(s)
- Mengdi Bao
- Department of Chemical and Environmental Engineering, University of California, Riverside, CA, USA.
| | - Jacob Waitkus
- Department of Chemical and Environmental Engineering, University of California, Riverside, CA, USA.
| | - Li Liu
- Department of Chemical and Environmental Engineering, University of California, Riverside, CA, USA.
| | - Yu Chang
- Department of Chemical and Environmental Engineering, University of California, Riverside, CA, USA.
| | - Zhiheng Xu
- Department of Industrial Engineering, Rochester Institute of Technology, Rochester, NY, USA
| | - Peiwu Qin
- Institute of Biopharmaceutical and Health Engineering, Tsinghua Shenzhen International Graduate School, Tsinghua University, Shenzhen, China
| | - Juhong Chen
- Department of Biological Systems Engineering, Virginia Tech, Blacksburg, VA, USA
| | - Ke Du
- Department of Chemical and Environmental Engineering, University of California, Riverside, CA, USA.
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5
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Hemmateenejad B, Rafatmah E, Shojaeifard Z. Microfluidic paper and thread-based separations: Chromatography and electrophoresis. J Chromatogr A 2023; 1704:464117. [PMID: 37300912 DOI: 10.1016/j.chroma.2023.464117] [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: 04/06/2023] [Revised: 05/25/2023] [Accepted: 05/30/2023] [Indexed: 06/12/2023]
Abstract
Paper and thread are widely used as the substrates for fabricating low-cost, disposable, and portable microfluidic analytical devices used in clinical, environmental, and food safety monitoring. Concerning separation methods including chromatography and electrophoresis, these substrates provide unique platforms for developing portable devices. This review focuses on summarizing recent research on the miniaturization of the separation techniques using paper and thread. Preconcentration, purification, desalination, and separation of various analytes are achievable using electrophoresis and chromatography methods integrated with modified or unmodified paper/thread wicking channels. A variety of 2D and 3D designs of paper/thread platforms for zone electrophoresis, capillary electrophoresis, and modified/unmodified chromatography are discussed with emphasis on their limitation and improvements. The current progress in the signal amplification strategies such as isoelectric focusing, isotachophoresis, ion concentration polarization, isoelectric focusing, and stacking methods in paper-based devices are reviewed. Different strategies for chromatographic separations based on paper/thread will be explained. The separation of target species from complex samples and their determination by integration with other analytical methods like spectroscopy and electrochemistry are well-listed. Furthermore, the innovations for plasma and cell separation from blood as an important human biofluid are presented, and the related paper/thread modification methods are explored.
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6
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Bonart H, Gebhard F, Hecht L, Roy T, Liebchen B, Hardt S. Detecting Isotachophoresis Zones Hidden in Noise Using Signal Processing. Anal Chem 2023; 95:7575-7583. [PMID: 37133530 DOI: 10.1021/acs.analchem.3c00321] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Lowering the limit of detection in chemical or biochemical analysis is key to extending the application scope of sensing schemes. Usually, this is related to an increased instrumentation effort, which in turn precludes many commercial applications. We demonstrate that the signal-to-noise ratio of isotachophoresis-based microfluidic sensing schemes can be substantially increased merely by postprocessing of recorded signals. This becomes possible by exploiting knowledge about the physics of the underlying measurement process. The implementation of our method is based on microfluidic isotachophoresis and fluorescence detection, for which we take advantage of the physics of electrophoretic sample transport and the structure of noise in the imaging process. We demonstrate that by processing only 200 images, the detectable concentration, compared to the detection from a single image, is already lowered by 2 orders of magnitude without any additional instrumentation effort. Furthermore, we show that the signal-to-noise ratio is proportional to the square root of the number of fluorescence images, which leaves room for further lowering of the detection limit. In the future, our results could be relevant for various applications where the detection of minute sample amounts plays a role.
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Affiliation(s)
- Henning Bonart
- Technische Universität Darmstadt, Department of Mechanical Engineering, Institute for Nano- and Microfluidics, Alarich-Weiss-Straße 10, 64287 Darmstadt, Germany
- Technische Universität Darmstadt, Center for Computational Engineering, Dolivostraße 15, 64293 Darmstadt, Germany
| | - Florian Gebhard
- Technische Universität Darmstadt, Department of Mechanical Engineering, Institute for Nano- and Microfluidics, Alarich-Weiss-Straße 10, 64287 Darmstadt, Germany
| | - Lukas Hecht
- Technische Universität Darmstadt, Department of Physics, Institute for Condensed Matter Physics, Hochschulstraße 8, 64289 Darmstadt, Germany
| | - Tamal Roy
- Technische Universität Darmstadt, Department of Mechanical Engineering, Institute for Nano- and Microfluidics, Alarich-Weiss-Straße 10, 64287 Darmstadt, Germany
- Eidgenössische Technische Hochschule Zürich, Department of Mechanical and Process Engineering, Sonneggstrasse 3, Zurich 8092, Switzerland
| | - Benno Liebchen
- Technische Universität Darmstadt, Department of Physics, Institute for Condensed Matter Physics, Hochschulstraße 8, 64289 Darmstadt, Germany
| | - Steffen Hardt
- Technische Universität Darmstadt, Department of Mechanical Engineering, Institute for Nano- and Microfluidics, Alarich-Weiss-Straße 10, 64287 Darmstadt, Germany
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7
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Manchanda A, Gupta V, Wu L, Paull B. A thread-based electrofluidic platform for direct transfer, separation, and pre-concentration of materials from sample swabs. Analyst 2023; 148:1543-1551. [PMID: 36880438 DOI: 10.1039/d2an01856j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Abstract
A new method and platform has been developed for direct transfer, electrophoretic separation, and pre-concentration of swabbed samples using the principles of thread-based electrofluidics. A direct electrokinetic injection has been observed for a variety of analytes ranging from small molecules to proteins. The effect of physicochemical interactions of the analyte with the swab and the thread on the transfer efficiency has been studied by exploring different swab and thread combinations. For fluorescein, using a polyurethane swab, 98% and 94% transfer efficiencies were observed on mercerised cotton and nylon thread, while only 80% transfer efficiency was observed on polyester thread, respectively. A 97% transfer of fluorescein was observed on the nylon thread when a flocked nylon swab was used, while only 47% transfer was observed when a cotton swab was used. A successful transfer has been observed for both liquid and dry samples from either pre-wetted or dry swabs in both the presence and absence of any surrounding electrolytes. The platform has been further adapted for multiplexed analysis, where a sample from a single swab was transferred onto two parallel thread systems with ca. 50% distribution between them. The method has been validated for transfer, separation, and pre-concentration of DNA from blood. It has also been successfully used to directly analyse dried blood samples using a commercial sampling device, Neoteryx Mitra.
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Affiliation(s)
- Arushi Manchanda
- Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Hobart 7001, Australia. .,ARC Centre of Excellence for Electromaterials Sciences (ACES), School of Natural Sciences, University of Tasmania, Hobart, Tasmania 7001, Australia
| | - Vipul Gupta
- Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Hobart 7001, Australia. .,ARC Centre of Excellence for Electromaterials Sciences (ACES), School of Natural Sciences, University of Tasmania, Hobart, Tasmania 7001, Australia
| | - Liang Wu
- Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Hobart 7001, Australia. .,ARC Centre of Excellence for Electromaterials Sciences (ACES), School of Natural Sciences, University of Tasmania, Hobart, Tasmania 7001, Australia
| | - Brett Paull
- Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Hobart 7001, Australia. .,ARC Centre of Excellence for Electromaterials Sciences (ACES), School of Natural Sciences, University of Tasmania, Hobart, Tasmania 7001, Australia
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8
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Panferov VG, Ivanov NA, Mazzulli T, Brinc D, Kulasingam V, Krylov SN. Electrophoresis-Assisted Multilayer Assembly of Nanoparticles for Sensitive Lateral Flow Immunoassay. Angew Chem Int Ed Engl 2023; 62:e202215548. [PMID: 36357330 DOI: 10.1002/anie.202215548] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Indexed: 11/12/2022]
Abstract
Lateral flow immunoassay (LFIA) is a rapid, simple, and inexpensive point-of-need method. A major limitation of LFIA is a high limit of detection (LOD), which impacts its diagnostic sensitivity. To overcome this limitation, we introduce a signal-enhancement procedure that is performed after completing LFIA and involves controllably moving biotin- and streptavidin-functionalized gold nanoparticles by electrophoresis. The nanoparticles link to immunocomplexes forming multilayer aggregates on the test strip, thus, enhancing the signal. Here, we demonstrate lowering the LOD of hepatitis B surface antigen from approximately 8 to 0.12 ng mL-1 , making it clinically acceptable. Testing 118 clinical samples for hepatitis B showed that signal enhancement increased the diagnostic sensitivity of LFIA from 73 % to 98 % while not affecting its 95 % specificity. Electrophoresis-driven enhancement of LFIA is universal (antigen-independent), takes two minutes, and can be performed by an untrained person.
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Affiliation(s)
- Vasily G Panferov
- Department of Chemistry, York University, 4700 Keele Street, Toronto, Ontario M3J 1P3, Canada.,Centre for Research on Biomolecular Interactions, York University, 4700 Keele Street, Toronto, Ontario M3J 1P3, Canada.,A.N. Bach Institute of Biochemistry, Federal Research Centre "Fundamentals of Biotechnology" Russian Academy of Sciences, 33 Leninsky Prospect, Moscow, 119071, Russia
| | - Nikita A Ivanov
- Department of Chemistry, York University, 4700 Keele Street, Toronto, Ontario M3J 1P3, Canada.,Centre for Research on Biomolecular Interactions, York University, 4700 Keele Street, Toronto, Ontario M3J 1P3, Canada
| | - Tony Mazzulli
- Sinai Health, 600 University Avenue, Toronto, Ontario M5G 1X5, Canada
| | - Davor Brinc
- Toronto General Hospital: University Health Network, 200 Elizabeth St., Toronto, Ontario M5G 2C4, Canada
| | - Vathany Kulasingam
- Toronto General Hospital: University Health Network, 200 Elizabeth St., Toronto, Ontario M5G 2C4, Canada
| | - Sergey N Krylov
- Department of Chemistry, York University, 4700 Keele Street, Toronto, Ontario M3J 1P3, Canada.,Centre for Research on Biomolecular Interactions, York University, 4700 Keele Street, Toronto, Ontario M3J 1P3, Canada
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9
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10
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Abstract
Isotachophoresis (ITP) is a versatile electrophoretic technique that can be used for sample preconcentration, separation, purification, and mixing, and to control and accelerate chemical reactions. Although the basic technique is nearly a century old and widely used, there is a persistent need for an easily approachable, succinct, and rigorous review of ITP theory and analysis. This is important because the interest and adoption of the technique has grown over the last two decades, especially with its implementation in microfluidics and integration with on-chip chemical and biochemical assays. We here provide a review of ITP theory starting from physicochemical first-principles, including conservation of species, conservation of current, approximation of charge neutrality, pH equilibrium of weak electrolytes, and so-called regulating functions that govern transport dynamics, with a strong emphasis on steady and unsteady transport. We combine these generally applicable (to all types of ITP) theoretical discussions with applications of ITP in the field of microfluidic systems, particularly on-chip biochemical analyses. Our discussion includes principles that govern the ITP focusing of weak and strong electrolytes; ITP dynamics in peak and plateau modes; a review of simulation tools, experimental tools, and detection methods; applications of ITP for on-chip separations and trace analyte manipulation; and design considerations and challenges for microfluidic ITP systems. We conclude with remarks on possible future research directions. The intent of this review is to help make ITP analysis and design principles more accessible to the scientific and engineering communities and to provide a rigorous basis for the increased adoption of ITP in microfluidics.
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Affiliation(s)
- Ashwin Ramachandran
- Department of Aeronautics and Astronautics, Stanford University, Stanford, California 94305, United States
| | - Juan G Santiago
- Department of Mechanical Engineering, Stanford University, Stanford, California 94305, United States
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11
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Mousavi SM, Amin Mahdian SM, Ebrahimi MS, Taghizadieh M, Vosough M, Sadri Nahand J, Hosseindoost S, Vousooghi N, Javar HA, Larijani B, Hadjighassem MR, Rahimian N, Hamblin MR, Mirzaei H. Microfluidics for detection of exosomes and microRNAs in cancer: State of the art. MOLECULAR THERAPY. NUCLEIC ACIDS 2022; 28:758-791. [PMID: 35664698 PMCID: PMC9130092 DOI: 10.1016/j.omtn.2022.04.011] [Citation(s) in RCA: 37] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Exosomes are small extracellular vesicles with sizes ranging from 30-150 nanometers that contain proteins, lipids, mRNAs, microRNAs, and double-stranded DNA derived from the cells of origin. Exosomes can be taken up by target cells, acting as a means of cell-to-cell communication. The discovery of these vesicles in body fluids and their participation in cell communication has led to major breakthroughs in diagnosis, prognosis, and treatment of several conditions (e.g., cancer). However, conventional isolation and evaluation of exosomes and their microRNA content suffers from high cost, lengthy processes, difficult standardization, low purity, and poor yield. The emergence of microfluidics devices with increased efficiency in sieving, trapping, and immunological separation of small volumes could provide improved detection and monitoring of exosomes involved in cancer. Microfluidics techniques hold promise for advances in development of diagnostic and prognostic devices. This review covers ongoing research on microfluidics devices for detection of microRNAs and exosomes as biomarkers and their translation to point-of-care and clinical applications.
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Affiliation(s)
- Seyed Mojtaba Mousavi
- Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Mohammad Amin Mahdian
- Department of Pharmaceutical Nanotechnology, Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Saeid Ebrahimi
- School of Medicine, Kashan University of Medical Sciences, Kashan, Iran
- Student Research Committee, Kashan University of Medical Sciences, Kashan, Iran
| | - Mohammad Taghizadieh
- Department of Pathology, School of Medicine, Center for Women’s Health Research Zahra, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Massoud Vosough
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran 1665659911, Iran
| | - Javid Sadri Nahand
- Infectious and Tropical Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saereh Hosseindoost
- Pain Research Center, Neuroscience Institute, Tehran University of Medical Science, Tehran, Iran
| | - Nasim Vousooghi
- Department of Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Research Center for Cognitive and Behavioral Sciences, Tehran University of Medical Sciences, Tehran, Iran
- Iranian National Center for Addiction Studies (INCAS), Tehran University of Medical Sciences, Tehran, Iran
| | - Hamid Akbari Javar
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
- Faculty of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmoud Reza Hadjighassem
- Department of Neuroscience and Addiction Studies, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
- Brain and Spinal Cord Research Center, Imam Khomeini Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | - Neda Rahimian
- Endocrine Research Center, Institute of Endocrinology and Metabolism, Iran University of Medical Sciences (IUMS), Tehran, Iran
| | - Michael R. Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein 2028, South Africa
| | - Hamed Mirzaei
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Institute for Basic Sciences, Kashan University of Medical Sciences, Kashan, Iran
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12
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Futai N, Fukazawa Y, Kashiwagi T, Tamaki S, Sakai R, Hogan CA, Murugesan K, Ramachandran A, Banaei N, Santiago JG. A modular and reconfigurable open-channel gated device for the electrokinetic extraction of cell-free DNA assays. Anal Chim Acta 2022; 1200:339435. [DOI: 10.1016/j.aca.2022.339435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 12/06/2021] [Accepted: 01/02/2022] [Indexed: 11/01/2022]
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13
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Alahmad W, Sahragard A, Varanusupakul P. Online and offline preconcentration techniques on paper-based analytical devices for ultrasensitive chemical and biochemical analysis: A review. Biosens Bioelectron 2021; 194:113574. [PMID: 34474275 DOI: 10.1016/j.bios.2021.113574] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 08/18/2021] [Accepted: 08/18/2021] [Indexed: 12/24/2022]
Abstract
Microfluidic paper-based analytical devices (μPADs) have attracted much attention over the past decade. They embody many advantages, such as abundance, portability, cost-effectiveness, and ease of fabrication, making them superior for clinical diagnostics, environmental monitoring, and food safety assurance. Despite these advantages, μPADs lack the high sensitivity to detect many analytes at trace levels than other commercial analytical instruments such as mass spectrometry. Therefore, a preconcentration step is required to enhance their sensitivity. This review focuses on the techniques used to separate and preconcentrate the analytes onto the μPADs, such as ion concentration polarization, isotachophoresis, and field amplification sample stacking. Other separations and preconcentration techniques, including liquid-solid and liquid-liquid extractions coupled with μPADs, are also reviewed and discussed. In addition, the fabrication methods, advantages, disadvantages, and the performance evaluation of the μPADs concerning their precision and accuracy were highlighted and critically assessed. Finally, the challenges and future perspectives have been discussed.
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Affiliation(s)
- Waleed Alahmad
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.
| | - Ali Sahragard
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
| | - Pakorn Varanusupakul
- Department of Chemistry, Faculty of Science, Chulalongkorn University, Bangkok, Thailand.
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14
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Chen L, Cabot JM, Paull B. Thread-based isotachophoresis for DNA extraction and purification from biological samples. LAB ON A CHIP 2021; 21:2565-2573. [PMID: 34002759 DOI: 10.1039/d1lc00179e] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/13/2023]
Abstract
A rapid, low-cost, and disposable microfluidic thread-based isotachophoresis method was developed for the purification and preconcentration of nucleic acids from biological samples, prior to their extraction and successful analysis using quantitative polymerase chain reaction (qPCR). This approach extracts and concentrates protein-free DNA from the terminating electrolyte buffer, via a continuous sampling approach, resulting in significant focussing of the extracted DNA upon a 6 cm length nylon thread. The platform was optimised using the preconcentration of a fluorescent dye, showing a 600-fold concentration capacity within <5 min. The system was then applied to the one-step extraction of lambda DNA - an E. coli bacteriophage - spiked into whole blood, exhibiting the exclusion of PCR inhibitors. The extraction efficiency from the thread material following concentration was consistent, between 94.4-113.9%. The determination of lambda DNA in whole blood was achieved within a linear range of 1.0-1 × 105 fg μL-1 (20-2 × 106 copies per μL). This technique demonstrates great potential for the development of thread-based affordable analytical and diagnostic devices based upon DNA and RNA isolation.
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Affiliation(s)
- Liang Chen
- Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Private Bag 75, Hobart 7001, Australia and ARC Centre of Excellence for Electromaterials Sciences (ACES), School of Natural Sciences, University of Tasmania, Hobart, Tasmania 7001, Australia
| | - Joan M Cabot
- Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Private Bag 75, Hobart 7001, Australia and ARC Centre of Excellence for Electromaterials Sciences (ACES), School of Natural Sciences, University of Tasmania, Hobart, Tasmania 7001, Australia and Diagnostic Devices Unit, Leitat Technology Center, Innovació 2, Terrassa, Barcelona 08225, Spain.
| | - Brett Paull
- Australian Centre for Research on Separation Science (ACROSS), School of Natural Sciences, University of Tasmania, Private Bag 75, Hobart 7001, Australia and ARC Centre of Excellence for Electromaterials Sciences (ACES), School of Natural Sciences, University of Tasmania, Hobart, Tasmania 7001, Australia
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15
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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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16
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Gerlero GS, Márquez Damián S, Schaumburg F, Franck N, Kler PA. Numerical simulations of paper-based electrophoretic separations with open-source tools. Electrophoresis 2021; 42:1543-1551. [PMID: 33991437 DOI: 10.1002/elps.202000315] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 05/10/2021] [Accepted: 05/11/2021] [Indexed: 11/06/2022]
Abstract
A new tool for the solution of electromigrative separations in paper-based microfluidics devices is presented. The implementation is based on a recently published complete mathematical model for describing these types of separations, and was developed on top of the open-source toolbox electroMicroTransport, based on OpenFOAM® , inheriting all its features as native 3D problem handling, support for parallel computation, and a GNU GPL license. The presented tool includes full support for paper-based electromigrative separations (including EOF and the novel mechanical and electrical dispersion effects), compatibility with a well-recognized electrolyte database, and a novel algorithm for computing and controlling the electric current in arbitrary geometries. Additionally, the installation on any operating system is available due to its novel installation option in the form of a Docker image. A validation example with data from literature is included, and two extra application examples are provided, including a 2D free-flow IEF problem, which demonstrates the capabilities of the toolbox for dealing with computational and physicochemical modeling challenges simultaneously. This tool will enable efficient and reliable numerical prototypes of paper-based electrophoretic devices to accompany the contemporary fast growth in paper-based microfluidics.
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Affiliation(s)
- Gabriel S Gerlero
- Centro de Investigación en Métodos Computacionales (CIMEC), Universidad Nacional del Litoral-CONICET, Santa Fe, Argentina
| | - Santiago Márquez Damián
- Centro de Investigación en Métodos Computacionales (CIMEC), Universidad Nacional del Litoral-CONICET, Santa Fe, Argentina.,Departamento de Ingeniería Mecánica, FRSF-UTN, Santa Fe, Argentina
| | - Federico Schaumburg
- Instituto de Desarrollo Tecnológico para la Industria Química (INTEC), Universidad Nacional del Litoral - CONICET, Santa Fe, Argentina
| | - Nicolás Franck
- Centro de Investigación en Métodos Computacionales (CIMEC), Universidad Nacional del Litoral-CONICET, Santa Fe, Argentina
| | - Pablo A Kler
- Centro de Investigación en Métodos Computacionales (CIMEC), Universidad Nacional del Litoral-CONICET, Santa Fe, Argentina.,Departamento de Ingeniería en Sistemas de Información, FRSF-UTN, Santa Fe, Argentina
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17
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Chen CA, Yuan H, Chen CW, Chien YS, Sheng WH, Chen CF. An electricity- and instrument-free infectious disease sensor based on a 3D origami paper-based analytical device. LAB ON A CHIP 2021; 21:1908-1915. [PMID: 34008628 DOI: 10.1039/d1lc00079a] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Infectious diseases cause millions of deaths annually in the developing world. Recently, microfluidic paper-based analytical devices (μPADs) have been developed to diagnose such diseases, as these tests are low cost, biocompatible, and simple to fabricate. However, current μPADs are difficult to use in resource-limited areas due to their reliance on external instrumentation to measure and analyze the test results. In this work, we propose an electricity and external instrumentation-free μPAD sensor based on the colorimetric enzyme-linked immunosorbent assay (ELISA) for the diagnosis of infectious disease (3D-tPADs). Designed based on the principle of origami, the proposed μPAD enables the sequential steps of the colorimetric ELISA test to be completed in just ∼10 min. In addition, in order to obtain an accurate ELISA result without using any instrument, we have integrated an electricity-free "timer" within the μPAD that can be controlled by the buffer viscosity and fluid path volume to indicate the appropriate times for washing and color development steps, which can avoid false positive or false negative results caused by an extended or shortened amount of washing and development times. Due to the low background noise and high positive signal intensity of the μPAD, positive and negative detection results can be distinguished by just the naked eye. Furthermore, the ELISA result can be semi-quantified by comparing the results shown on the μPAD with a color chart diagram with a detection limit of HIV type 1(HIV-1) p24 antigen as low as 0.03 ng mL-1. These results demonstrate the proposed sensor can perform infectious disease diagnosis without external instrumentation or electricity, extending the application of the μPAD test for on-site detection and use in resource-limited settings.
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Affiliation(s)
- Chung-An Chen
- Institute of Applied Mechanics, National Taiwan University, Taipei 106, Taiwan.
| | - Hao Yuan
- Institute of Applied Mechanics, National Taiwan University, Taipei 106, Taiwan.
| | - Chiao-Wen Chen
- Institute of Applied Mechanics, National Taiwan University, Taipei 106, Taiwan.
| | - Yuh-Shiuan Chien
- Institute of Applied Mechanics, National Taiwan University, Taipei 106, Taiwan.
| | - Wang-Huei Sheng
- Division of Infectious Diseases, Department of Internal Medicine, National Taiwan University Hospital, Taipei 100, Taiwan
| | - Chien-Fu Chen
- Institute of Applied Mechanics, National Taiwan University, Taipei 106, Taiwan.
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18
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Bender AT, Sullivan BP, Zhang JY, Juergens DC, Lillis L, Boyle DS, Posner JD. HIV detection from human serum with paper-based isotachophoretic RNA extraction and reverse transcription recombinase polymerase amplification. Analyst 2021; 146:2851-2861. [PMID: 33949378 PMCID: PMC9151496 DOI: 10.1039/d0an02483j] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The number of people living with HIV continues to increase with the current total near 38 million, of which about 26 million are receiving antiretroviral therapy (ART). These treatment regimens are highly effective when properly managed, requiring routine viral load monitoring to assess successful viral suppression. Efforts to expand access by decentralizing HIV nucleic acid testing in low- and middle-income countries (LMICs) has been hampered by the cost and complexity of current tests. Sample preparation of blood samples has traditionally relied on cumbersome RNA extraction methods, and it continues to be a key bottleneck for developing low-cost POC nucleic acid tests. We present a microfluidic paper-based analytical device (μPAD) for extracting RNA and detecting HIV in serum, leveraging low-cost materials, simple buffers, and an electric field. We detect HIV virions and MS2 bacteriophage internal control in human serum using a novel lysis and RNase inactivation method, paper-based isotachophoresis (ITP) for RNA extraction, and duplexed reverse transcription recombinase polymerase amplification (RT-RPA) for nucleic acid amplification. We design a specialized ITP system to extract and concentrate RNA, while excluding harsh reagents used for lysis and RNase inactivation. We found the ITP μPAD can extract and purify 5000 HIV RNA copies per mL of serum. We then demonstrate detection of HIV virions and MS2 bacteriophage in human serum within 45-minutes.
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Affiliation(s)
- Andrew T Bender
- Department of Mechanical Engineering, University of Washington, Seattle, USA.
| | - Benjamin P Sullivan
- Department of Mechanical Engineering, University of Washington, Seattle, USA.
| | - Jane Y Zhang
- Department of Mechanical Engineering, University of Washington, Seattle, USA.
| | - David C Juergens
- Department of Chemical Engineering, University of Washington, Seattle, USA
| | | | | | - Jonathan D Posner
- Department of Mechanical Engineering, University of Washington, Seattle, USA. and Department of Chemical Engineering, University of Washington, Seattle, USA and Family Medicine, School of Medicine, University of Washington, Seattle, USA
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19
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Lee WC, Ng HY, Hou CY, Lee CT, Fu LM. Recent advances in lab-on-paper diagnostic devices using blood samples. LAB ON A CHIP 2021; 21:1433-1453. [PMID: 33881033 DOI: 10.1039/d0lc01304h] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Lab-on-paper, or microfluidic paper-based analytical devices (μPADs), use paper as a substrate material, and are patterned with a system of microchannels, reaction zones and sensing elements to perform analysis and detection. The sample transfer in such devices is performed by capillary action. As a result, external driving forces are not required, and hence the size and cost of the device are significantly reduced. Lab-on-paper devices have thus attracted significant attention for point-of-care medical diagnostic purposes in recent years, particularly in less-developed regions of the world lacking medical resources and infrastructures. This review discusses the major advances in lab-on-paper technology for blood analysis and diagnosis in the past five years. The review focuses particularly on the many clinical applications of lab-on-paper devices, including diabetes diagnosis, acute myocardial infarction (AMI) detection, kidney function diagnosis, liver function diagnosis, cholesterol and triglyceride (TG) analysis, sickle-cell disease (SCD) and phenylketonuria (PKU) analysis, virus analysis, C-reactive protein (CRP) analysis, blood ion analysis, cancer factor analysis, and drug analysis. The review commences by introducing the basic transmission principles, fabrication methods, structural characteristics, detection techniques, and sample pretreatment process of modern lab-on-paper devices. A comprehensive review of the most recent applications of lab-on-paper devices to the diagnosis of common human diseases using blood samples is then presented. The review concludes with a brief summary of the main challenges and opportunities facing the lab-on-paper technology field in the coming years.
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Affiliation(s)
- Wen-Chin Lee
- Division of Nephrology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung, 833, Taiwan.
| | - Hwee-Yeong Ng
- Division of Nephrology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung, 833, Taiwan.
| | - Chih-Yao Hou
- Department of Seafood Science, National Kaohsiung University of Science and Technology, Kaohsiung 811, Taiwan
| | - Chien-Te Lee
- Division of Nephrology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung, 833, Taiwan.
| | - Lung-Ming Fu
- Department of Engineering Science, National Cheng Kung University, Tainan, 701, Taiwan.
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20
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Zhiyue M, Xichen Y, Li R, Yang Y, Huicheng F, Peng S. Recent advances in paper-based preconcentrators by utilizing ion concentration polarization. Electrophoresis 2021; 42:1340-1351. [PMID: 33768593 DOI: 10.1002/elps.202000291] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 02/26/2021] [Accepted: 03/15/2021] [Indexed: 11/09/2022]
Abstract
One of the most cited limitations of biochemical detection is its poor sensitivity, owing to the relatively high complexity of micro-samples. Moreover, some samples cannot be easily self-replicated and their abundance cannot be increased through traditional technologies. Therefore, the preconcentration of low-abundance samples is a key requirement for microfluidic biological analysis. In recent years, the ion-concentration polarization phenomenon has aroused widespread interest in the application of microfluidic technology. In addition, paper-based materials are readily available, easy to modify, and exhibit good hydrophilicity. The study of the ion-concentration polarization preconcentration of micro-samples in paper-based microfluidic chips is of considerable significance. In this review, we discuss the development and applications of ion-concentration polarization paper-based preconcentrator in the past 5 years, with emphasis on key progresses in chip fabrication and performance optimization under different conditions. The current needs and development prospects in this field have also been discussed.
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Affiliation(s)
- Meng Zhiyue
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, P. R. China.,Key Laboratory for Space Bioscience and Biotechnology, Institute of Special Environment Biophysics, Northwestern Polytechnical University, Xi'an, P. R. China
| | - Yuan Xichen
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, P. R. China.,Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, P. R. China.,Key Laboratory for Space Bioscience and Biotechnology, Institute of Special Environment Biophysics, Northwestern Polytechnical University, Xi'an, P. R. China.,Yangtze River Delta Research Institute of Northwestern Polytechnical University, Taicang, P. R. China
| | - Ren Li
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, P. R. China.,Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, P. R. China.,Key Laboratory for Space Bioscience and Biotechnology, Institute of Special Environment Biophysics, Northwestern Polytechnical University, Xi'an, P. R. China
| | - Yang Yang
- Ministry of Education Key Laboratory of Low-grade Energy Utilization Technologies and Systems, Chongqing University, Chongqing, P. R. China
| | - Feng Huicheng
- Unmanned System Research Institute, Northwestern Polytechnical University, Xi'an, P. R. China.,MOE Key Laboratory of Micro and Nano Systems for Aerospace, Northwestern Polytechnical University, Xi'an, P. R. China
| | - Shang Peng
- School of Life Sciences, Northwestern Polytechnical University, Xi'an, P. R. China.,Research and Development Institute of Northwestern Polytechnical University in Shenzhen, Shenzhen, P. R. China.,Key Laboratory for Space Bioscience and Biotechnology, Institute of Special Environment Biophysics, Northwestern Polytechnical University, Xi'an, P. R. China
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21
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Paper-Based Nucleic Acid Detection for Point-of-Care Diagnostics. Bioanalysis 2021. [DOI: 10.1007/978-981-15-8723-8_5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022] Open
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22
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Sullivan BP, Bender AT, Ngyuen DN, Zhang JY, Posner JD. Nucleic acid sample preparation from whole blood in a paper microfluidic device using isotachophoresis. J Chromatogr B Analyt Technol Biomed Life Sci 2020; 1163:122494. [PMID: 33401049 DOI: 10.1016/j.jchromb.2020.122494] [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: 03/07/2020] [Revised: 12/03/2020] [Accepted: 12/05/2020] [Indexed: 02/08/2023]
Abstract
Nucleic acid amplification tests (NAATs) are a crucial diagnostic and monitoring tool for infectious diseases. A key procedural step for NAATs is sample preparation: separating and purifying target nucleic acids from crude biological samples prior to nucleic acid amplification and detection. Traditionally, sample preparation has been performed with liquid- or solid-phase extraction, both of which require multiple trained user steps and significant laboratory equipment. The challenges associated with sample preparation have limited the dissemination of NAAT point-of-care diagnostics in low resource environments, including low- and middle-income countries. We report on a paper-based device for purification of nucleic acids from whole blood using isotachophoresis (ITP) for point-of-care NAATs. We show successful extraction and purification of target nucleic acids from large volumes (33 µL) of whole human blood samples with no moving parts and few user steps. Our device utilizes paper-based buffer reservoirs to fully contain the liquid ITP buffers and does not require complex filling procedures, instead relying on the natural wicking of integrated paper membranes. We perform on-device blood fractionation via filtration to remove leukocytes and erythrocytes from our sample, followed by integrated on-paper proteolytic digestion of endogenous plasma proteins to allow for successful isotachophoretic extraction. Paper-based isotachophoresis purifies and concentrates target nucleic acids that are added directly to recombinase polymerase amplification (RPA) reactions. We show consistent amplification of input copy concentrations of as low as 3 × 103 copies nucleic acid per mL input blood with extraction and purification taking only 30 min. By employing a paper architecture, we are able to incorporate these processes in a single, robust, low-cost design, enabling the direct processing of large volumes of blood, with the only intermediate user steps being the removal and addition of tape. Our device represents a step towards a simple, fully integrated sample preparation system for nucleic acid amplification tests at the point-of-care.
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Affiliation(s)
- Benjamin P Sullivan
- Department of Mechanical Engineering, University of Washington, Seattle, WA, USA
| | - Andrew T Bender
- Department of Mechanical Engineering, University of Washington, Seattle, WA, USA
| | - Duy N Ngyuen
- Department of Chemical Engineering, University of Washington, Seattle, WA, USA
| | - Jane Yuqian Zhang
- Department of Mechanical Engineering, University of Washington, Seattle, WA, USA
| | - Jonathan D Posner
- Department of Mechanical Engineering, University of Washington, Seattle, WA, USA; Department of Chemical Engineering, University of Washington, Seattle, WA, USA; Department of Family Medicine, University of Washington, Seattle, WA, USA.
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23
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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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24
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Cai X, Zhang H, Yu X, Wang W. A microfluidic paper-based laser-induced fluorescence sensor based on duplex-specific nuclease amplification for selective and sensitive detection of miRNAs in cancer cells. Talanta 2020; 216:120996. [DOI: 10.1016/j.talanta.2020.120996] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2019] [Revised: 03/30/2020] [Accepted: 04/01/2020] [Indexed: 01/24/2023]
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25
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Schaumburg F, Kler PA, Carrell CS, Berli CLA, Henry CS. USB powered microfluidic paper‐based analytical devices. Electrophoresis 2020; 41:562-569. [DOI: 10.1002/elps.201900273] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Revised: 09/27/2019] [Accepted: 10/16/2019] [Indexed: 11/08/2022]
Affiliation(s)
| | - Pablo A. Kler
- CIMEC (Universidad Nacional del Litoral – CONICET) Santa Fe Argentina
- Departamento de Ingeniería en Sistemas de InformaciónFRSF‐UTN Santa Fe Argentina
| | - Cody S. Carrell
- Department of ChemistryColorado State University Fort Collins CO USA
| | | | - Charles S. Henry
- Department of ChemistryColorado State University Fort Collins CO USA
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26
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Schaumburg F, Kler PA, Berli CLA. Comprehensive model of electromigrative transport in microfluidic paper based analytical devices. Electrophoresis 2020; 41:598-606. [DOI: 10.1002/elps.201900353] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 11/28/2019] [Accepted: 12/08/2019] [Indexed: 11/06/2022]
Affiliation(s)
- Federico Schaumburg
- INTEC (Universidad Nacional del Litoral–CONICET)Colectora RN 168 Km 472 S3000GLN Santa Fe Argentina
| | - Pablo A. Kler
- CIMEC (Universidad Nacional del Litoral–CONICET)Colectora RN 168 Km 472 S3000GLN Santa Fe Argentina
- Departamento de Ingeniería en Sistemas de InformaciónFRSF‐UTN.Lavaise 610 S3004EWB Santa Fe Argentina
| | - Claudio L. A. Berli
- INTEC (Universidad Nacional del Litoral–CONICET)Colectora RN 168 Km 472 S3000GLN Santa Fe Argentina
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27
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Cai Y, Niu JC, Liu YQ, Du XL, Wu ZY. Online sample clean-up and enrichment of proteins from salty media with dynamic double gradients on a paper fluidic channel. Anal Chim Acta 2020; 1100:149-155. [DOI: 10.1016/j.aca.2019.11.048] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Accepted: 11/20/2019] [Indexed: 10/25/2022]
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28
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Research and Application Progress of Paper-based Microfluidic Sample Preconcentration. CHINESE JOURNAL OF ANALYTICAL CHEMISTRY 2019. [DOI: 10.1016/s1872-2040(19)61203-x] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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29
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Schaumburg F, Carrell CS, Henry CS. Rapid Bacteria Detection at Low Concentrations Using Sequential Immunomagnetic Separation and Paper-Based Isotachophoresis. Anal Chem 2019; 91:9623-9630. [DOI: 10.1021/acs.analchem.9b01002] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Federico Schaumburg
- INTEC (Universidad Nacional del Litoral-CONICET), RN 168, 3000 Santa Fe, Argentina
| | - Cody S. Carrell
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
| | - Charles S. Henry
- Department of Chemistry, Colorado State University, Fort Collins, Colorado 80523, United States
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30
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Yuan D, Kong J, Fang X, Chen Q. A graphene oxide-based paper chip integrated with the hybridization chain reaction for peanut and soybean allergen gene detection. Talanta 2019; 196:64-70. [PMID: 30683412 DOI: 10.1016/j.talanta.2018.12.036] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 12/03/2018] [Accepted: 12/11/2018] [Indexed: 01/22/2023]
Abstract
Allergen genes of the peanut and soybean were selected as model targets. Four hairpin DNA probes, H1, H2, H3, H4 were designed. Cy3-labeled H1 and H2 were used to detect peanut DNA, while FAM-labeled H3 and H4 were used to detect soybean DNA. Graphene oxide (GO) was used as the adsorption material for capturing the hairpin probes, and as a selective fluorescence quencher to reduce the background signal. To develop an allergen gene detection system with a GO-based paper chip format, we integrated the hybridization chain reaction (HCR) with fluorescence resonance energy transfer (FRET) in our design. The results showed that in the absence of peanut DNA (TP) and soybean DNA (TS), the detection probes attached to the GO surface, which quenched their fluorescence. In the presence of TP or TS, however, complementary probe binding to the targets initiated HCR, producing long double-stranded DNA products that could not be absorbed onto the GO surface. Hence, a strong red or green fluorescent signal was generated. The detection limit for both peanut and soybean DNA was 1 nM using this method, indicating the high sensitivity of our approach. This method also exhibited good specificity and a single chip could be used to simultaneously detect two different targets.
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Affiliation(s)
- Dan Yuan
- Shanghai Key Laboratory of Bio-Energy Crops, School of Life Sciences, Shanghai University, Shanghai 200444, PR China
| | - Jilie Kong
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai 200433, PR China
| | - Xueen Fang
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai 200433, PR China; Shanghai Suchuang Diagnostics Co., Ltd., Shanghai 201318, PR China.
| | - Qin Chen
- Shanghai Key Laboratory of Bio-Energy Crops, School of Life Sciences, Shanghai University, Shanghai 200444, PR China.
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31
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Liu L, Xie MR, Chen YZ, Wu ZY. Simultaneous electrokinetic stacking and separation of anionic and cationic species on a paper fluidic channel. LAB ON A CHIP 2019; 19:845-850. [PMID: 30706062 DOI: 10.1039/c8lc01320a] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
On-line enrichment is effective for improving the sensitivity of paper-based analytical devices (PADs). Electrokinetic stacking of ionic species - anionic or cationic species, respectively, on a paper-based fluidic channel has been well demonstrated in the literature. In this work, we further demonstrated that both anionic and cationic species can be electrokinetically stacked and separated simultaneously on the same paper fluidic channel. The feasibility of the proposed method was visually demonstrated by using a colored cationic probe of Rhodamine 6G and an anionic probe of Brilliant Blue. With the introduction of a background electrolyte (BGE) consisting of weak acid and weak base salt, two electric field gradients can be developed on the same paper fluidic channel when a DC voltage was applied. Both of the anionic and cationic species from the reservoirs can be simultaneously stacked as separate bands on the two field gradients, respectively. Under optimized conditions, two orders of magnitude enrichment factors can be achieved for the anionic and cationic probes as characterized by colorimetric analysis by smartphone imaging. The applicability of this method was further demonstrated by stacking and separation of copper ions/nitrite and even amphoteric ions-proteins of phycocyanin (blue, pI 4.4)/cytochrome C (brown, pI 10.2). Potential applications can be found not only for a PAD based point of care test (POCT), but also for sample pretreatment in protein analysis considering the friendliness of the BGE to the mass spectrometer.
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Affiliation(s)
- Lei Liu
- Research Center for Analytical Sciences, College of Sciences, Northeastern University, Shenyang 110819, P. R. China.
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Dong T, Wang GA, Li F. Shaping up field-deployable nucleic acid testing using microfluidic paper-based analytical devices. Anal Bioanal Chem 2019; 411:4401-4414. [DOI: 10.1007/s00216-019-01595-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Revised: 12/31/2018] [Accepted: 01/09/2019] [Indexed: 12/28/2022]
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Breadmore MC, Grochocki W, Kalsoom U, Alves MN, Phung SC, Rokh MT, Cabot JM, Ghiasvand A, Li F, Shallan AI, Keyon ASA, Alhusban AA, See HH, Wuethrich A, Dawod M, Quirino JP. Recent advances in enhancing the sensitivity of electrophoresis and electrochromatography in capillaries and microchips (2016-2018). Electrophoresis 2018; 40:17-39. [PMID: 30362581 DOI: 10.1002/elps.201800384] [Citation(s) in RCA: 96] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2018] [Revised: 10/15/2018] [Accepted: 10/16/2018] [Indexed: 12/22/2022]
Abstract
One of the most cited limitations of capillary and microchip electrophoresis is the poor sensitivity. This review continues to update this series of biannual reviews, first published in Electrophoresis in 2007, on developments in the field of online/in-line concentration methods in capillaries and microchips, covering the period July 2016-June 2018. It includes developments in the field of stacking, covering all methods from field-amplified sample stacking and large-volume sample stacking, through to isotachophoresis, dynamic pH junction, and sweeping. Attention is also given to online or in-line extraction methods that have been used for electrophoresis.
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Affiliation(s)
- Michael C Breadmore
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia
| | - Wojciech Grochocki
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia.,Department of Biopharmaceutics and Pharmacodynamics, Medical University of Gdansk, Gdansk, Poland
| | - Umme Kalsoom
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia.,ARC Centre of Excellence for Electromaterials Science (ACES), School of Natural Sciences, College of Science and Technology, University of Tasmania, Hobart, Australia
| | - Mónica N Alves
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia
| | - Sui Ching Phung
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia
| | | | - Joan M Cabot
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia.,ARC Centre of Excellence for Electromaterials Science (ACES), School of Natural Sciences, College of Science and Technology, University of Tasmania, Hobart, Australia
| | - Alireza Ghiasvand
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia.,Department of Chemistry, Lorestan University, Khoramabad, Iran
| | - Feng Li
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia
| | - Aliaa I Shallan
- Future Industries Institute (FII), University of South Australia, Mawson Lakes, Australia.,Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Helwan University, Cairo, Egypt
| | - Aemi S Abdul Keyon
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia.,Centre for Sustainable Nanomaterials, Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia
| | - Ala A Alhusban
- Department of Pharmacy, Faculty of Pharmacy, Al-Zaytoonah University of Jordan, Amman, Jordan
| | - Hong Heng See
- Department of Chemistry, Faculty of Science, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia.,Centre for Sustainable Nanomaterials, Ibnu Sina Institute for Scientific and Industrial Research, Universiti Teknologi Malaysia, Johor Bahru, Johor, Malaysia
| | - Alain Wuethrich
- Centre for Personalized Nanomedicine, Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD, Australia
| | - Mohamed Dawod
- Department of Chemistry, University of Michigan, Ann Arbor, MI, USA
| | - Joselito P Quirino
- Australian Centre for Research on Separation Science, Chemistry, School of Natural Science, University of Tasmania, Hobart, Tasmania, Australia
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Malá Z, Gebauer P. Recent progress in analytical capillary isotachophoresis. Electrophoresis 2018; 40:55-64. [DOI: 10.1002/elps.201800239] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 07/12/2018] [Accepted: 07/13/2018] [Indexed: 12/30/2022]
Affiliation(s)
- Zdena Malá
- Institute of Analytical Chemistry of the Czech Academy of Sciences; Brno Czech Republic
| | - Petr Gebauer
- Institute of Analytical Chemistry of the Czech Academy of Sciences; Brno Czech Republic
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