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Distance-based paper device using polydiacetylene liposome as a chromogenic substance for rapid and in-field analysis of quaternary ammonium compounds. Anal Bioanal Chem 2020; 412:3221-3230. [PMID: 32242258 DOI: 10.1007/s00216-020-02583-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 02/29/2020] [Accepted: 03/05/2020] [Indexed: 10/24/2022]
Abstract
This work presents an affordable distance-based microfluidic paper-based device (μPAD), using polydiacetylene (PDA) liposome as a chromogenic substance with a smartphone-based photo editor, for rapid and in-field analysis of quaternary ammonium compounds (QACs) (e.g., didecyldimethylammonium chloride (DDAC), benzyldimethyltetradecyl ammonium chloride (BAC), and cetylpyridinium chloride (CPC)). In-field analysis of these compounds is important to ensure their antimicrobial activity and user safety since they are widely utilized as disinfectants in households and hospitals. The μPAD featured a thermometer-like shape consisting of a sample reservoir and a microchannel as the detection zone, which was pre-deposited with PDA liposome. The color change from blue to red appeared in the presence of QACs and the color bar lengths were proportional to the QAC concentrations. Reactions of QACs with the PDA required a specific pH range (from pH 4.0 to 10.0) and a readout time of 7 min. Analytical performance characteristics of the device were tested with DDAC, BAC, and CPC showing acceptable specificity, accuracy (96.1-109.4%), and precision (%RSDs ≤ 9.3%). Limits of detection and quantitation were in the ranges of 20 to 80 and 70 to 250 μM, respectively. Feasibility of the newly developed device was demonstrated for in-field analysis of QACs in fumigation solution providing comparable results with those obtained from a colorimetric assay (P > 0.05). The proposed device shows potentials for further applications of other analytes since it offers speed, simplicity, and affordability for in-field analysis, especially in remote areas where expertise, resources, and infrastructures are limited. Graphical abstract.
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Nguyen MP, Kelly SP, Wydallis JB, Henry CS. Read-by-eye quantification of aluminum (III) in distance-based microfluidic paper-based analytical devices. Anal Chim Acta 2020; 1100:156-162. [DOI: 10.1016/j.aca.2019.11.052] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2019] [Revised: 11/14/2019] [Accepted: 11/20/2019] [Indexed: 11/16/2022]
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53
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Apichai S, Wang L, Grudpan K, Bakker E. Renewable magnetic ion-selective colorimetric microsensors based on surface modified polystyrene beads. Anal Chim Acta 2020; 1094:136-141. [DOI: 10.1016/j.aca.2019.10.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 09/30/2019] [Accepted: 10/07/2019] [Indexed: 11/24/2022]
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Kisiel A, Kałuża D, Paterczyk B, Maksymiuk K, Michalska A. Quantifying plasticizer leakage from ion-selective membranes – a nanosponge approach. Analyst 2020; 145:2966-2974. [DOI: 10.1039/c9an02621e] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The spontaneous process of release of plasticizers from membranes typically used in ion-selective sensors is an effect which limits the lifetime of sensors and comes with a risk of safety hazards.
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Affiliation(s)
- Anna Kisiel
- Faculty of Chemistry
- University of Warsaw
- 02-093 Warsaw
- Poland
| | - Dawid Kałuża
- Faculty of Chemistry
- University of Warsaw
- 02-093 Warsaw
- Poland
| | - Bohdan Paterczyk
- Laboratory of Electron and Confocal Microscopy
- Faculty of Biology
- University of Warsaw
- 02-096 Warsaw
- Poland
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Cai Y, Yao X, Piao X, Zhang Z, Nie E, Sun Z. Inkjet printing of particle-free silver conductive ink with low sintering temperature on flexible substrates. Chem Phys Lett 2019. [DOI: 10.1016/j.cplett.2019.136857] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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56
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Inkjet-printed pH-independent paper-based calcium sensor with fluorescence signal readout relying on a solvatochromic dye. Anal Bioanal Chem 2019; 412:3489-3497. [PMID: 31773228 DOI: 10.1007/s00216-019-02218-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 10/04/2019] [Accepted: 10/15/2019] [Indexed: 10/25/2022]
Abstract
A challenge for paper-based cation sensors relying on classical carrier-based ion-selective optodes (ISOs) is their pH-cross response caused by the use of H+-sensitive chromoionophores as optical signal transducers. This work demonstrates fully pH-independent fluorescence-based calcium detection with a paper-based plasticizer-free ISO. To achieve a pH-independent assay, a solvatochromic dye (SD) instead of a traditional H+-sensitive chromoionophore has been applied to the paper-based ISO by means of inkjet printing technology. The detection principle depends on an ionophore-driven phase-transfer ion-exchange reaction between target cations and the positively charged SD, which no longer involves H+ in the optical signal transduction process. The developed paper-based ISOs with the SD resulted in Ca2+ concentration-dependent response curves not affected by the sample pH (pH 6.0, 7.0, and 8.0). The dynamic range obtained for Ca2+ detection was from 10-5 to 1 mol L-1 with a detection limit of 19.3 μmol L-1. Additionally, excellent selectivity derived from the used ionophore has been confirmed. As a simple practical application, the determination of Ca2+ in mineral water has been achieved without the pH-buffering process required for conventional cation-exchange ISOs.
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Kalish B, Zhang J, Edema H, Luong J, Roper J, Beaudette C, Echodu R, Tsutsui H. Distance and Microsphere Aggregation-Based DNA Detection in a Paper-Based Microfluidic Device. SLAS Technol 2019; 25:58-66. [PMID: 31722603 PMCID: PMC6974776 DOI: 10.1177/2472630319887680] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
In paper-based microfluidics, the simplest devices are colorimetric, giving
qualitative results. However, getting quantitative data can be quite a bit more
difficult. Distance-based devices provide a user-friendly means of obtaining
quantitative data without the need for any additional equipment, simply by using
an included ruler or calibrated markings. This article details the development
of a quantitative DNA detection device that utilizes the aggregation of
polystyrene microspheres to affect the distance that microspheres wick through
filter paper. The microspheres are conjugated to single-stranded DNA (ssDNA)
oligomers that are partially complementary to a target strand and, in the
presence of the target strand, form a three-strand complex, resulting in the
formation of aggregates. The higher the concentration of the target strand, the
larger the aggregate, and the shorter the distance wicked by the microspheres.
This behavior was investigated across a wide range of target concentrations and
under different incubation times to understand aggregate formation. The device
was then used to successfully detect a target strand spiked in extracted plant
DNA.
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Affiliation(s)
- Brent Kalish
- Department of Mechanical Engineering, University of California Riverside, Riverside, CA, USA
| | - Jianhou Zhang
- Department of Mechanical Engineering, University of California Riverside, Riverside, CA, USA
| | - Hilary Edema
- Gulu University Bioscience Research Laboratories, Gulu, Uganda
| | - James Luong
- Department of Mechanical Engineering, University of California Riverside, Riverside, CA, USA
| | - Jenna Roper
- Department of Bioengineering, University of California Riverside, Riverside, CA, USA
| | - Chad Beaudette
- Department of Mechanical Engineering, University of California Riverside, Riverside, CA, USA
| | - Richard Echodu
- Gulu University Bioscience Research Laboratories, Gulu, Uganda.,Department of Biology, Faculty of Science, Gulu University, Gulu, Uganda
| | - Hideaki Tsutsui
- Department of Mechanical Engineering, University of California Riverside, Riverside, CA, USA.,Department of Bioengineering, University of California Riverside, Riverside, CA, USA
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Kudo H, Maejima K, Hiruta Y, Citterio D. Microfluidic Paper-Based Analytical Devices for Colorimetric Detection of Lactoferrin. SLAS Technol 2019; 25:47-57. [DOI: 10.1177/2472630319884031] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Lactoferrin is an abundant glycoprotein in human body fluids and is known as a biomarker for various diseases. Therefore, point-of-care testing (POCT) for lactoferrin is of interest. Microfluidic paper-based analytical devices (µPADs) have gained a lot of attention as next-generation POCT device candidates, due to their inexpensiveness, operational simplicity, and being safely disposable. This work presents a colorimetric sensing approach for quantitative lactoferrin analysis. The detection mechanism takes advantage of the high affinity of lactoferrin to ferric ions (Fe3+). Lactoferrin is able to displace an indicator from a colorimetric 2-(5-bromo-2-pyridylazo)-5-diethylaminophenol (5-Br-PADAP)-Fe3+ complex, resulting in a color change. A 5-Br-PADAP-Fe3+ complex was encapsulated into water-dispersible poly(styrene- block-vinylpyrrolidone) particles, whose physical entrapment in the cellulosic fiber network results in the immobilization of the complex to the paper matrix. The complex-encapsulating particles showed a color change response in accordance with lactoferrin concentration. Both color intensity-based paper well plates and distance readout-based µPADs are demonstrated. Color intensity-based devices allowed quantitative analysis of lactoferrin concentrations with a limit of detection of 110 µg/mL, using a smartphone and a color readout app. On the other hand, distance readout-based µPADs showed changes of the length of colored sections in accordance with lactoferrin concentration. In summary, we successfully developed both colorimetric intensity-based paper wells and distance-based µPADs for lactoferrin detection. This work demonstrates a user-friendly colorimetric analysis platform for lactoferrin without requiring lab equipment and expensive antibodies.
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Affiliation(s)
- Hiroko Kudo
- Department of Applied Chemistry, Keio University, Yokohama, Kanagawa, Japan
| | - Kento Maejima
- Department of Applied Chemistry, Keio University, Yokohama, Kanagawa, Japan
| | - Yuki Hiruta
- Department of Applied Chemistry, Keio University, Yokohama, Kanagawa, Japan
| | - Daniel Citterio
- Department of Applied Chemistry, Keio University, Yokohama, Kanagawa, Japan
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Lim H, Jafry AT, Lee J. Fabrication, Flow Control, and Applications of Microfluidic Paper-Based Analytical Devices. Molecules 2019; 24:E2869. [PMID: 31394856 PMCID: PMC6721703 DOI: 10.3390/molecules24162869] [Citation(s) in RCA: 72] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Revised: 07/31/2019] [Accepted: 08/01/2019] [Indexed: 11/20/2022] Open
Abstract
Paper-based microfluidic devices have advanced significantly in recent years as they are affordable, automated with capillary action, portable, and biodegradable diagnostic platforms for a variety of health, environmental, and food quality applications. In terms of commercialization, however, paper-based microfluidics still have to overcome significant challenges to become an authentic point-of-care testing format with the advanced capabilities of analyte purification, multiplex analysis, quantification, and detection with high sensitivity and selectivity. Moreover, fluid flow manipulation for multistep integration, which involves valving and flow velocity control, is also a critical parameter to achieve high-performance devices. Considering these limitations, the aim of this review is to (i) comprehensively analyze the fabrication techniques of microfluidic paper-based analytical devices, (ii) provide a theoretical background and various methods for fluid flow manipulation, and iii) highlight the recent detection techniques developed for various applications, including their advantages and disadvantages.
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Affiliation(s)
- Hosub Lim
- School of Mechanical Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do 16419, Korea
| | - Ali Turab Jafry
- Faculty of Mechanical Engineering, Ghulam Ishaq Khan Institute of Engineering Sciences and Technology, Topi 23640, Pakistan.
| | - Jinkee Lee
- School of Mechanical Engineering, Sungkyunkwan University, Suwon, Gyeonggi-do 16419, Korea.
- Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, Gyeonggi-do 16419, Korea.
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Tavakoli H, Zhou W, Ma L, Perez S, Ibarra A, Xu F, Zhan S, Li X. Recent advances in microfluidic platforms for single-cell analysis in cancer biology, diagnosis and therapy. Trends Analyt Chem 2019; 117:13-26. [PMID: 32831435 PMCID: PMC7434086 DOI: 10.1016/j.trac.2019.05.010] [Citation(s) in RCA: 91] [Impact Index Per Article: 18.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Understanding molecular, cellular, genetic and functional heterogeneity of tumors at the single-cell level has become a major challenge for cancer research. The microfluidic technique has emerged as an important tool that offers advantages in analyzing single-cells with the capability to integrate time-consuming and labour-intensive experimental procedures such as single-cell capture into a single microdevice at ease and in a high-throughput fashion. Single-cell manipulation and analysis can be implemented within a multi-functional microfluidic device for various applications in cancer research. Here, we present recent advances of microfluidic devices for single-cell analysis pertaining to cancer biology, diagnostics, and therapeutics. We first concisely introduce various microfluidic platforms used for single-cell analysis, followed with different microfluidic techniques for single-cell manipulation. Then, we highlight their various applications in cancer research, with an emphasis on cancer biology, diagnosis, and therapy. Current limitations and prospective trends of microfluidic single-cell analysis are discussed at the end.
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Affiliation(s)
- Hamed Tavakoli
- College of Environmental Science and Engineering, Nankai
University, Tianjin 300071, People’s Republic of China
- Department of Chemistry and Biochemistry, University of
Texas at El Paso, 500 West University Ave, El Paso, TX 79968, USA
| | - Wan Zhou
- Department of Chemistry and Biochemistry, University of
Texas at El Paso, 500 West University Ave, El Paso, TX 79968, USA
| | - Lei Ma
- Department of Chemistry and Biochemistry, University of
Texas at El Paso, 500 West University Ave, El Paso, TX 79968, USA
| | - Stefani Perez
- Biomedical Engineering, Border Biomedical Research Center,
Environmental Science & Engineering, University of Texas at El Paso, 500 West
University Ave, El Paso, TX 79968, USA
| | - Andrea Ibarra
- Biomedical Engineering, Border Biomedical Research Center,
Environmental Science & Engineering, University of Texas at El Paso, 500 West
University Ave, El Paso, TX 79968, USA
| | - Feng Xu
- Bioinspired Engineering and Biomechanics Center,
Xi’an Jiaotong University, Xi’an, 710049, People’s Republic of
China
| | - Sihui Zhan
- College of Environmental Science and Engineering, Nankai
University, Tianjin 300071, People’s Republic of China
| | - XiuJun Li
- College of Environmental Science and Engineering, Nankai
University, Tianjin 300071, People’s Republic of China
- Department of Chemistry and Biochemistry, University of
Texas at El Paso, 500 West University Ave, El Paso, TX 79968, USA
- Biomedical Engineering, Border Biomedical Research Center,
Environmental Science & Engineering, University of Texas at El Paso, 500 West
University Ave, El Paso, TX 79968, USA
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