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Chen X, Duan X, Gao Y. Recent Advances in Acoustofluidics for Point-of-Care Testing. Chempluschem 2024; 89:e202300489. [PMID: 37926688 DOI: 10.1002/cplu.202300489] [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: 08/31/2023] [Revised: 10/31/2023] [Accepted: 11/03/2023] [Indexed: 11/07/2023]
Abstract
Point-of-care testing (POCT) has played important role in clinical diagnostics, environmental assessment, chemical and biological analyses, and food and chemical processing due to its faster turnaround compared to laboratory testing. Dedicated manipulations of solutions or particles are generally required to develop POCT technologies that achieve a "sample-in-answer-out" operation. With the development of micro- and nanotechnology, many tools have been developed for sample preparation, on-site analysis and solution manipulations (mixing, pumping, valving, etc.). Among these approaches, the use of acoustic waves to manipulate fluids and particles (named acoustofluidics) has been applied in many researches. This review focuses on the recent developments in acoustofluidics for POCT. It starts with the fundamentals of different acoustic manipulation techniques and then lists some of representative examples to highlight each method in practical POC applications. Looking toward the future, a compact, portable, highly integrated, low power, and biocompatible technique is anticipated to simultaneously achieve precise manipulation of small targets and multimodal manipulation in POC applications.
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Affiliation(s)
- Xian Chen
- Center for Advanced Measurement Science, National Institute of Metrology, East Beisanhuan Road 18, Chaoyang District, Beijing, 100029, China
| | - Xuexin Duan
- State Key Laboratory of Precision Measuring Technology & Instruments and, College of Precision Instrument and Opto-electronics Engineering, Tianjin University, Weijin Road 92, Nankai District, Tianjin, 300072, China
| | - Yunhua Gao
- Center for Advanced Measurement Science, National Institute of Metrology, East Beisanhuan Road 18, Chaoyang District, Beijing, 100029, China
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Yuan H, Wan C, Wang X, Li S, Xie H, Qian C, Du W, Feng X, Li Y, Chen P, Liu BF. Programmable Gravity Self-Driven Microfluidic Chip for Point-of-Care Multiplied Immunoassays. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2310206. [PMID: 38085133 DOI: 10.1002/smll.202310206] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 12/02/2023] [Indexed: 05/25/2024]
Abstract
Point-of-care testing (POCT) is experiencing a groundbreaking transformation with microfluidic chips, which offer precise fluid control and manipulation at the microscale. Nevertheless, chip design or operation for existing platforms is rather cumbersome, with some even heavily depending on external drivers or devices, impeding their broader utilization. This study develops a unique programmable gravity self-driven microfluidic chip (PGSMC) capable of simultaneous multi-reagent sequential release, multi-target analysis, and multi-chip operation. All necessary reagents are introduced in a single step, and the process is initiated simply by flipping the PGSMC vertically, eliminating the need for additional steps or devices. Additionally, it demonstrates successful immunoassays in less than 60 min for antinuclear antibodies testing, compared to more than 120 min by traditional methods. Assessment using 25 clinically diagnosed cases showcases remarkable sensitivity (96%), specificity (100%), and accuracy (99%). These outcomes underscored its potential as a promising platform for POCT with high accuracy, speed, and reliability, highlighting its capability for automated fluid control.
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Affiliation(s)
- Huijuan Yuan
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Chao Wan
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Xin Wang
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Shunji Li
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Han Xie
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Chungen Qian
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Wei Du
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Xiaojun Feng
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Yiwei Li
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Peng Chen
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
| | - Bi-Feng Liu
- The Key Laboratory for Biomedical Photonics of MOE at Wuhan National Laboratory for Optoelectronics-Hubei Bioinformatics & Molecular Imaging Key Laboratory, Systems Biology Theme, Department of Biomedical Engineering, College of Life Science and Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
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Saxena A, Kumar M, Mishra D, Singh K. Optimization of Newtonian fluid pressure in microcantilever integrated flexible microfluidic channel for healthcare application. Biomed Phys Eng Express 2024; 10:035015. [PMID: 38452735 DOI: 10.1088/2057-1976/ad3187] [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: 10/04/2023] [Accepted: 03/07/2024] [Indexed: 03/09/2024]
Abstract
The demand for microfluidic pressure sensors is ever-increasing in various industries due to their crucial role in controlling fluid pressure within microchannels. While syringe pump setups have been traditionally used to regulate fluid pressure in microfluidic devices, they often result in larger setups that increase the cost of the device. To address this challenge and miniaturize the syringe pump setup, the researcher introduced integrated T-microcantilever-based microfluidic devices. In these devices, microcantilevers are incorporated, and their deflections correlate with the microchannel's pressure. When the relative pressure of fluid (plasma) changes, the T-microcantilever deflects, and the extent of this deflection provides information on fluid pressure within the microchannel. In this work, finite element method (FEM) based simulation was carried out to investigate the role of material, and geometric parameters of the cantilever, and the fluid viscosity on the pressure sensing capability of the T-microcantilever integrated microfluidic channel. The T-microcantilever achieves a maximum deflection of 127μm at a 5000μm/s velocity for Young's modulus(E) of 360 kPa of PDMS by employing a hinged structure. On the other hand, a minimum deflection of 4.05 × 10-5μm was attained at 5000μm/s for Young's modulus of 1 TPa for silicon. The maximum deflected angle of the T-cantilever is 20.46° for a 360 kPa Young's modulus while the minimum deflection angle of the T-cantilever is measured at 13.77° for 900 KPa at a fluid velocity of 5000μm s-1. The T-cantilever functions as a built-in microchannel that gauges the fluid pressure within the microchannel. The peak pressure, set at 8.86 Pa on the surface of the cantilever leads to a maximum deflection of 0.096μm (approximately 1μm) in the T-cantilever at a 1:1 velocity ratio. An optimized microfluidic device embedded with microchannels can optimize fluid pressure in a microchannel support cell separation.
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Affiliation(s)
- Ankur Saxena
- Department of Electronics and Communication Engineering, Manipal University Jaipur, Jaipur-303007, Rajasthan, India
- FlexMEMS Research Centre (FMRC), Manipal University Jaipur, Jaipur-303007, Rajasthan, India
| | - Mahesh Kumar
- Department of Computer Science and Engineering, Graphic Era Deemed to be University Dehradun, Dehradun-248001, Uttarakhand, India
| | - Dhaneshwar Mishra
- Department of Mechanical Engineering, Manipal University Jaipur, Jaipur-303007, Rajasthan, India
- Multiscale Simulation Research Center (MSRC), Manipal University Jaipur, Jaipur--303007, Rajasthan, India
| | - Kulwant Singh
- Department of Electronics and Communication Engineering, Manipal University Jaipur, Jaipur-303007, Rajasthan, India
- FlexMEMS Research Centre (FMRC), Manipal University Jaipur, Jaipur-303007, Rajasthan, India
- Skill Faculty of Engineering & Technology, Shri Vishwakarma Skill University, Palwal, Haryana 121102, India
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Campu A, Muresan I, Potara M, Lazar DR, Lazar FL, Cainap S, Olinic DM, Maniu D, Astilean S, Focsan M. Portable microfluidic plasmonic chip for fast real-time cardiac troponin I biomarker thermoplasmonic detection. J Mater Chem B 2024; 12:962-972. [PMID: 38044663 DOI: 10.1039/d3tb02190d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2023]
Abstract
Acute myocardial infarction is one of the most serious cardiovascular pathologies, impacting patients' long-term outcomes and health systems worldwide. Significant effort is directed toward the development of biosensing technologies, which are able to efficiently and accurately detect an early rise of cardiac troponin levels, the gold standard in detecting myocardial injury. In this context, this work aims to develop a microfluidic plasmonic chip for the fast and accurate real-time detection of the cardiac troponin I biomarker (cTnI) via three complementary detection techniques using portable equipment. Furthermore, the study focuses on providing a better understanding of the thermoplasmonic biosensing mechanism taking advantage of the intrinsic photothermal properties of gold nanoparticles. Specifically, a plasmonic nanoplatform based on immobilized gold nanobipyramids was fabricated, exhibiting optical and thermoplasmonic properties that promote, based on a sandwich-like immunoassay, the "proof-of-concept" multimodal detection of cTnI via localized surface plasmon resonance, surface enhanced Raman spectroscopy and thermoplasmonic effects under simulated conditions. Furthermore, after the integration of the plasmonic nanoplatform in a microfluidic channel, the determination of cTnI in 16 real plasma samples was successfully realized via thermoplasmonic detection. The results are compared with a conventional high-sensitivity enzyme-linked immunosorbent clinical assay (ELISA), showing high sensitivity (75%) and specificity (100%) as well as fast response features (5 minutes). Thus, the proposed portable and miniaturized microfluidic plasmonic chip is successfully validated for clinical applications and transferred to clinical settings for the early diagnosis of cardiac diseases, leading towards the progress of personalized medicine.
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Affiliation(s)
- Andreea Campu
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, Treboniu Laurian No. 42, 400271 Cluj-Napoca, Romania.
| | - Ilinca Muresan
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, Treboniu Laurian No. 42, 400271 Cluj-Napoca, Romania.
| | - Monica Potara
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, Treboniu Laurian No. 42, 400271 Cluj-Napoca, Romania.
| | - Diana Raluca Lazar
- Department of Pediatric Cardiology, Pediatric Clinic No. 2, Emergency County Hospital for Children, Crisan No. 3 - 5, 400124 Cluj-Napoca, Romania
- 11th Department of Medical Oncology, University of Medicine and Pharmacology "Iuliu Hatieganu", Republicii No. 34 - 36, 400171 Cluj-Napoca, Romania
| | - Florin-Leontin Lazar
- Department of Interventional Cardiology, Medical Clinic No. 1, Emergency County Hospital, Clinicilor No. 3 - 5, 400006 Cluj-Napoca, Romania
| | - Simona Cainap
- Department of Pediatric Cardiology, Pediatric Clinic No. 2, Emergency County Hospital for Children, Crisan No. 3 - 5, 400124 Cluj-Napoca, Romania
- Department of Mother & Child, University of Medicine and Pharmacology "Iuliu Hatieganu", Louis Pasteur No. 4, 400349 Cluj-Napoca, Romania
| | - Dan Mircea Olinic
- Department of Interventional Cardiology, Medical Clinic No. 1, Emergency County Hospital, Clinicilor No. 3 - 5, 400006 Cluj-Napoca, Romania
- Cardiology Discipline, University of Medicine and Pharmacology "Iuliu Hatieganu", Louis Pasteur No. 4, 400349 Cluj-Napoca, Romania
| | - Dana Maniu
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, Treboniu Laurian No. 42, 400271 Cluj-Napoca, Romania.
- Biomolecular Physics Department, Faculty of Physics, Babes-Bolyai University, Mihail Kogalniceanu No. 1, 400084 Cluj-Napoca, Romania
| | - Simion Astilean
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, Treboniu Laurian No. 42, 400271 Cluj-Napoca, Romania.
- Biomolecular Physics Department, Faculty of Physics, Babes-Bolyai University, Mihail Kogalniceanu No. 1, 400084 Cluj-Napoca, Romania
| | - Monica Focsan
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, Treboniu Laurian No. 42, 400271 Cluj-Napoca, Romania.
- Biomolecular Physics Department, Faculty of Physics, Babes-Bolyai University, Mihail Kogalniceanu No. 1, 400084 Cluj-Napoca, Romania
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Campu A, Muresan I, Craciun AM, Vulpoi A, Cainap S, Astilean S, Focsan M. Innovative, Flexible, and Miniaturized Microfluidic Paper-Based Plasmonic Chip for Efficient Near-Infrared Metal Enhanced Fluorescence Biosensing and Imaging. ACS APPLIED MATERIALS & INTERFACES 2023; 15:55925-55937. [PMID: 37983540 DOI: 10.1021/acsami.3c08658] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2023]
Abstract
The implementation of metal enhanced fluorescence (MEF) as an efficient detection tool, especially in the near-infrared region of the electromagnetic spectrum, is a rather new direction for diagnostic analytical technologies. In this context, we propose a novel microfluidic plasmonic design based on paper for efficient MEF detection of the "proof-of-concept" biotin-streptavidin recognition interaction. Our design made use of the benefits of gold nanobipyramids (AuBPs), considering the strong enhanced electromagnetic field present at their sharp tips, and filter paper to operate as a natural microfluidic channel due to excellent wicking abilities. The calligraphed plasmonic paper, obtained using a commercial pen filled with AuBPs, was integrated in a robust sandwich optically transparent polydimethylsiloxane chip, exhibiting portability and flexibility while preserving the chip's properties. To place the Alexa 680 fluorophore at an optimal distance from the nanobipyramid substrate, the human IgG-anti-IgG-conjugated biotin sandwich reaction was employed. Thus, upon the capture of Alexa 680-conjugated streptavidin by the biotinylated system, a 1.3-fold average enhancement of the fluorophore's emission was determined by bulk fluorescence measurements. However, the local enhancement factor was considerably higher with values spanning from 5 to 6.3, as proven by mapping the fluorescence emission under both re-scan microscopy and fluorescence lifetime imaging, endorsing the proposed chip's feasibility for bulk MEF biosensing as well as high-resolution MEF bioimaging. Finally, the versatility of our chip was demonstrated by adapting the biosensing protocol for cardiac troponin I biomarker detection, validated using 10 plasma samples collected from pediatric patients and corroborated with a conventional ELISA assay.
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Affiliation(s)
- Andreea Campu
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 Treboniu Laurian Strada, Cluj-Napoca 400271, Romania
| | - Ilinca Muresan
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 Treboniu Laurian Strada, Cluj-Napoca 400271, Romania
| | - Ana-Maria Craciun
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 Treboniu Laurian Strada, Cluj-Napoca 400271, Romania
| | - Adriana Vulpoi
- Nanostructured Materials and Bio-Nano-Interfaces Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 Treboniu Laurian Strada, Cluj-Napoca 400271, Romania
| | - Simona Cainap
- Department of Pediatric Cardiology, Pediatric Clinic No. 2, Emergency County Hospital for Children, Crisan No. 3-5, Cluj-Napoca 400124, Romania
- Department of Mother & Child, University of Medicine and Pharmacology "Iuliu Hatieganu", Louis Pasteur No. 4, Cluj-Napoca 400349, Romania
| | - Simion Astilean
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 Treboniu Laurian Strada, Cluj-Napoca 400271, Romania
- Biomolecular Physics Department, Faculty of Physics, Babes-Bolyai University, 1 Kogalniceanu Strada, Cluj-Napoca 400084, Romania
| | - Monica Focsan
- Nanobiophotonics and Laser Microspectroscopy Center, Interdisciplinary Research Institute in Bio-Nano-Sciences, Babes-Bolyai University, 42 Treboniu Laurian Strada, Cluj-Napoca 400271, Romania
- Biomolecular Physics Department, Faculty of Physics, Babes-Bolyai University, 1 Kogalniceanu Strada, Cluj-Napoca 400084, Romania
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Hoang T, Truong H, Han J, Lee S, Lee J, Parajuli S, Lee J, Cho G. Room temperature roll-to-roll additive manufacturing of polydimethylsiloxane-based centrifugal microfluidic device for on-site isolation of ribonucleic acid from whole blood. Mater Today Bio 2023; 23:100838. [PMID: 38033369 PMCID: PMC10681912 DOI: 10.1016/j.mtbio.2023.100838] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2023] [Revised: 09/24/2023] [Accepted: 10/17/2023] [Indexed: 12/02/2023] Open
Abstract
Polymer-based lab-on-a-disc (LoaD) devices for isolating ribonucleic acid (RNA) from whole blood samples have gained considerable attention for accurate biomedical analysis and point-of-care diagnostics. However, the mass production of these devices remains challenging in manufacturing cost and sustainability, primarily due to the utilization of a laser cutter or router computer numerical control (CNC) machine for engraving and cutting plastics in the conventional prototyping process. Herein, we reported the first energy-efficient room-temperature printing-imprinting integrated roll-to-roll manufacturing platform for mass production of a polydimethylsiloxane (PDMS)-based LoaD to on-site isolate ribonucleic acid (RNA) from undiluted blood samples. We significantly reduced energy consumption and eliminated thermal expansion variations between the mold, substrate, and resists by accelerating the PDMS curing time to less than 10 min at room temperature without using heat or ultraviolet radiation. The additive manufacturing technology was applied to fabricate a multi-depth flexible polymer mold that integrated macro (2 mm) and micro-sized (500 μm) features, which overcomes the economic and environmental challenges of conventional molding techniques. Our integrated R2R platform was enabled to print adhesion-promoting films at the first printing unit and continuously in-line imprint with a high replication accuracy (99%) for high-volume manufacturing of a new centrifugal microfluidic chip with an enhancement of mixing performance by integrating an efficient mixing chamber and serpentine micromixer. This research paved the way for scalable green manufacturing of large-volume polymer-based microfluidic devices, often required in real-world sample-driven analytical systems for clinical bioanalysis.
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Affiliation(s)
- Trung Hoang
- Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, South Korea
- Department of Biophysics, Sungkyunkwan University, Suwon, South Korea
| | - Han Truong
- Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, South Korea
- Department of Biophysics, Sungkyunkwan University, Suwon, South Korea
- Department of Intelligent Precision Healthcare Convergence, Sungkyunkwan University, Suwon, South Korea
| | - Jiyeon Han
- Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, South Korea
- Department of Biophysics, Sungkyunkwan University, Suwon, South Korea
- Department of Intelligent Precision Healthcare Convergence, Sungkyunkwan University, Suwon, South Korea
| | - Saebom Lee
- School of Mechanical Engineering, Sungkyunkwan University, Suwon, South Korea
| | - Jihyeong Lee
- School of Mechanical Engineering, Sungkyunkwan University, Suwon, South Korea
| | - Sajjan Parajuli
- Research Engineering Center for R2R Printed Flexible Computer, Sungkyunkwan University, Suwon, South Korea
- Department of Intelligent Precision Healthcare Convergence, Sungkyunkwan University, Suwon, South Korea
| | - Jinkee Lee
- Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, South Korea
- School of Mechanical Engineering, Sungkyunkwan University, Suwon, South Korea
| | - Gyoujin Cho
- Institute of Quantum Biophysics, Sungkyunkwan University, Suwon, South Korea
- Department of Biophysics, Sungkyunkwan University, Suwon, South Korea
- Research Engineering Center for R2R Printed Flexible Computer, Sungkyunkwan University, Suwon, South Korea
- Department of Intelligent Precision Healthcare Convergence, Sungkyunkwan University, Suwon, South Korea
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Ruiz-García I, Escobedo P, Ramos-Lorente CE, Erenas MM, Capitán-Vallvey LF, Carvajal MA, Palma AJ, López-Ruiz N. Capacitive platform for real-time wireless monitoring of liquid wicking in a paper strip. LAB ON A CHIP 2023; 23:4092-4103. [PMID: 37615614 DOI: 10.1039/d3lc00368j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/25/2023]
Abstract
Understanding the phenomenon of liquid wicking in porous media is crucial for various applications, including the transportation of fluids in soils, the absorption of liquids in textiles and paper, and the development of new and efficient microfluidic paper-based analytical devices (μPADs). Hence, accurate and real-time monitoring of the liquid wicking process is essential to enable precise flow transport and control in microfluidic devices, thus enhancing their performance and usefulness. However, most existing flow monitoring strategies require external instrumentation, are generally bulky and unsuitable for portable systems. In this work, we present a portable, compact, and cost-effective electronic platform for real-time and wireless flow monitoring of liquid wicking in paper strips. The developed microcontroller-based system enables flow and flow rate monitoring based on the capacitance measurement of a pair of electrodes patterned beneath the paper strip along the liquid path, with an accuracy of 4 fF and a full-scale range of 8 pF. Additionally to the wired transmission of the monitored data to a computer via USB, the liquid wicking process can be followed in real-time via Bluetooth using a custom-developed smartphone application. The performance of the capacitive monitoring platform was evaluated for different aqueous solutions (purified water and 1 M NaCl solution), various paper strip geometries, and several custom-made chemical valves for flow retention (chitosan-, wax-, and sucrose-based barriers). The experimental validation delivered a full-scale relative error of 0.25%, resulting in an absolute capacitance error of ±10 fF. In terms of reproducibility, the maximum uncertainty was below 10 nl s-1 for flow rate determination in this study. Furthermore, the experimental data was compared and validated with numerical analysis through electrical and flow dynamics simulations in porous media, providing crucial information on the wicking process, its physical parameters, and liquid flow dynamics.
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Affiliation(s)
- Isidoro Ruiz-García
- Electronic and Chemical Sensing Solutions (ECsens), CITIC-UGR, Department of Electronics and Computer Technology, University of Granada (UGR), 18071 Granada, Spain.
- Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, Granada, Spain
- Sport and Health University Research Institute (iMUDS), University of Granada (UGR), 18071 Granada, Spain
| | - Pablo Escobedo
- Electronic and Chemical Sensing Solutions (ECsens), CITIC-UGR, Department of Electronics and Computer Technology, University of Granada (UGR), 18071 Granada, Spain.
- Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, Granada, Spain
- Sport and Health University Research Institute (iMUDS), University of Granada (UGR), 18071 Granada, Spain
| | - Celia E Ramos-Lorente
- Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, Granada, Spain
- Electronic and Chemical Sensing Solutions (ECsens), Department of Analytical Chemistry, University of Granada (UGR), 18071 Granada, Spain
| | - Miguel M Erenas
- Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, Granada, Spain
- Electronic and Chemical Sensing Solutions (ECsens), Department of Analytical Chemistry, University of Granada (UGR), 18071 Granada, Spain
| | - Luis F Capitán-Vallvey
- Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, Granada, Spain
- Electronic and Chemical Sensing Solutions (ECsens), Department of Analytical Chemistry, University of Granada (UGR), 18071 Granada, Spain
| | - Miguel A Carvajal
- Electronic and Chemical Sensing Solutions (ECsens), CITIC-UGR, Department of Electronics and Computer Technology, University of Granada (UGR), 18071 Granada, Spain.
- Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, Granada, Spain
- Sport and Health University Research Institute (iMUDS), University of Granada (UGR), 18071 Granada, Spain
| | - Alberto J Palma
- Electronic and Chemical Sensing Solutions (ECsens), CITIC-UGR, Department of Electronics and Computer Technology, University of Granada (UGR), 18071 Granada, Spain.
- Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, Granada, Spain
- Sport and Health University Research Institute (iMUDS), University of Granada (UGR), 18071 Granada, Spain
| | - Nuria López-Ruiz
- Electronic and Chemical Sensing Solutions (ECsens), CITIC-UGR, Department of Electronics and Computer Technology, University of Granada (UGR), 18071 Granada, Spain.
- Unit of Excellence in Chemistry Applied to Biomedicine and the Environment of the University of Granada, Granada, Spain
- Sport and Health University Research Institute (iMUDS), University of Granada (UGR), 18071 Granada, Spain
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8
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Bazyar H. On the Application of Microfluidic-Based Technologies in Forensics: A Review. SENSORS (BASEL, SWITZERLAND) 2023; 23:5856. [PMID: 37447704 PMCID: PMC10346202 DOI: 10.3390/s23135856] [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: 05/17/2023] [Revised: 06/21/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023]
Abstract
Microfluidic technology is a powerful tool to enable the rapid, accurate, and on-site analysis of forensically relevant evidence on a crime scene. This review paper provides a summary on the application of this technology in various forensic investigation fields spanning from forensic serology and human identification to discriminating and analyzing diverse classes of drugs and explosives. Each aspect is further explained by providing a short summary on general forensic workflow and investigations for body fluid identification as well as through the analysis of drugs and explosives. Microfluidic technology, including fabrication methodologies, materials, and working modules, are touched upon. Finally, the current shortcomings on the implementation of the microfluidic technology in the forensic field are discussed along with the future perspectives.
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Affiliation(s)
- Hanieh Bazyar
- Engineering Thermodynamics, Process & Energy Department, Faculty of Mechanical, Maritime and Materials Engineering, Delft University of Technology, Leeghwaterstraat 39, 2628CB Delft, The Netherlands
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9
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Li S, Zhang H, Zhu M, Kuang Z, Li X, Xu F, Miao S, Zhang Z, Lou X, Li H, Xia F. Electrochemical Biosensors for Whole Blood Analysis: Recent Progress, Challenges, and Future Perspectives. Chem Rev 2023. [PMID: 37262362 DOI: 10.1021/acs.chemrev.1c00759] [Citation(s) in RCA: 32] [Impact Index Per Article: 32.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Whole blood, as one of the most significant biological fluids, provides critical information for health management and disease monitoring. Over the past 10 years, advances in nanotechnology, microfluidics, and biomarker research have spurred the development of powerful miniaturized diagnostic systems for whole blood testing toward the goal of disease monitoring and treatment. Among the techniques employed for whole-blood diagnostics, electrochemical biosensors, as known to be rapid, sensitive, capable of miniaturization, reagentless and washing free, become a class of emerging technology to achieve the target detection specifically and directly in complex media, e.g., whole blood or even in the living body. Here we are aiming to provide a comprehensive review to summarize advances over the past decade in the development of electrochemical sensors for whole blood analysis. Further, we address the remaining challenges and opportunities to integrate electrochemical sensing platforms.
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Affiliation(s)
- Shaoguang Li
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Hongyuan Zhang
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Man Zhu
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Zhujun Kuang
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Xun Li
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Fan Xu
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Siyuan Miao
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Zishuo Zhang
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Xiaoding Lou
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Hui Li
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
| | - Fan Xia
- State Key Laboratory of Biogeology and Environmental Geology, Engineering Research Center of Nano-Geomaterials of Ministry of Education, Faculty of Materials Science and Chemistry, China University of Geosciences, Wuhan 430074, China
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10
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Ma X, Guo G, Wu X, Wu Q, Liu F, Zhang H, Shi N, Guan Y. Advances in Integration, Wearable Applications, and Artificial Intelligence of Biomedical Microfluidics Systems. MICROMACHINES 2023; 14:mi14050972. [PMID: 37241596 DOI: 10.3390/mi14050972] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2023] [Revised: 04/20/2023] [Accepted: 04/25/2023] [Indexed: 05/28/2023]
Abstract
Microfluidics attracts much attention due to its multiple advantages such as high throughput, rapid analysis, low sample volume, and high sensitivity. Microfluidics has profoundly influenced many fields including chemistry, biology, medicine, information technology, and other disciplines. However, some stumbling stones (miniaturization, integration, and intelligence) strain the development of industrialization and commercialization of microchips. The miniaturization of microfluidics means fewer samples and reagents, shorter times to results, and less footprint space consumption, enabling a high throughput and parallelism of sample analysis. Additionally, micro-size channels tend to produce laminar flow, which probably permits some creative applications that are not accessible to traditional fluid-processing platforms. The reasonable integration of biomedical/physical biosensors, semiconductor microelectronics, communications, and other cutting-edge technologies should greatly expand the applications of current microfluidic devices and help develop the next generation of lab-on-a-chip (LOC). At the same time, the evolution of artificial intelligence also gives another strong impetus to the rapid development of microfluidics. Biomedical applications based on microfluidics normally bring a large amount of complex data, so it is a big challenge for researchers and technicians to analyze those huge and complicated data accurately and quickly. To address this problem, machine learning is viewed as an indispensable and powerful tool in processing the data collected from micro-devices. In this review, we mainly focus on discussing the integration, miniaturization, portability, and intelligence of microfluidics technology.
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Affiliation(s)
- Xingfeng Ma
- School of Communication and Information Engineering, Shanghai University, Shanghai 200000, China
- Department of Microelectronics, Shanghai University, Shanghai 200000, China
| | - Gang Guo
- Department of Microelectronics, Shanghai University, Shanghai 200000, China
| | - Xuanye Wu
- Department of Microelectronics, Shanghai University, Shanghai 200000, China
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
| | - Qiang Wu
- Shanghai Aure Technology Limited Company, Shanghai 200000, China
| | - Fangfang Liu
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
| | - Hua Zhang
- Shanghai Aure Technology Limited Company, Shanghai 200000, China
| | - Nan Shi
- Shanghai Industrial μTechnology Research Institute, Shanghai 200000, China
- Institute of Translational Medicine, Shanghai University, Shanghai 200000, China
| | - Yimin Guan
- Department of Microelectronics, Shanghai University, Shanghai 200000, China
- Shanghai Aure Technology Limited Company, Shanghai 200000, China
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11
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Jang YO, Kim NH, Roh Y, Koo B, Lee HJ, Kim JY, Kim SH, Shin Y. Self-directed molecular diagnostics (SdMDx) system for COVID-19 via one-pot processing. SENSORS AND ACTUATORS. B, CHEMICAL 2023; 378:133193. [PMID: 36570722 PMCID: PMC9759472 DOI: 10.1016/j.snb.2022.133193] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/18/2022] [Revised: 12/03/2022] [Accepted: 12/15/2022] [Indexed: 06/17/2023]
Abstract
Rapid, sensitive, and specific detection of the severe acute respiratory syndrome coronavirus (SARS-CoV)- 2 during early infection is pivotal in controlling the spread and pathological progression of Coronavirus Disease 2019 (COVID-19). Thus, highly accurate, affordable, and scalable point-of-care (POC) diagnostic technologies are necessary. Herein, we developed a rapid and efficient self-directed molecular diagnostic (SdMDx) system for SARS-CoV-2. This system combines the sample preparation step, including virus enrichment and extraction processes, which involve dimethyl suberimidate dihydrochloride and diatomaceous earth functionalized with 3-aminopropyl(diethoxy)methylsilane, and the detection step using loop-mediated isothermal amplification-lateral flow assay (LAMP-LFA). Using the SdMDx system, SARS-CoV-2 could be detected within 47 min by hand without the need for any larger instruments. The SdMDx system enabled detection as low as 0.05 PFU in the culture fluid of SARS-CoV-2-infected VeroE6 cells. We validated the accuracy of the SdMDx system on 38 clinical nasopharyngeal specimens. The clinical utility of the SdMDx system for targeting the S gene of SARS-CoV-2 showed 94.4% sensitivity and 100% specificity. This system is more sensitive than antigen and antibody assays, and it minimizes the use of complicated processes and reduces contamination risks. Accordingly, we demonstrated that the SdMDx system enables a rapid, accurate, simple, efficient, and inexpensive detection of SARS-CoV-2 at home, in emergency facilities, and in low-resource sites as a pre-screening platform and POC testing through self-operation and self-diagnosis.
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Affiliation(s)
- Yoon Ok Jang
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Nam Hun Kim
- INFUSIONTECH, 38 Heungan-daero, 427 beon-gil, Dongan-gu, Anyang-si 14059, Republic of Korea
| | - Yeonjeong Roh
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Bonhan Koo
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Hyo Joo Lee
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Ji Yeun Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Songpa-gu, Seoul 05505, Republic of Korea
| | - Sung-Han Kim
- Department of Infectious Diseases, Asan Medical Center, University of Ulsan College of Medicine, Songpa-gu, Seoul 05505, Republic of Korea
| | - Yong Shin
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
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12
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Han J, Lim HJ, Park J, Han DH, Kim DM, Park JK. On-chip microfluidic dual detection of amino acid metabolism disorders using cell-free protein synthesis. Biosens Bioelectron 2023; 222:114936. [PMID: 36455376 DOI: 10.1016/j.bios.2022.114936] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/27/2022] [Accepted: 11/18/2022] [Indexed: 11/24/2022]
Abstract
Various metabolic diseases are associated with the accumulation of specific amino acids due to abnormal metabolic pathways, and thus can be diagnosed by measuring the level of amino acids in body fluids. However, present methods for amino acid analysis are not readily accessible because they require a complex experimental setup, expensive equipment, and a long processing time. Here, we present a dual sensing microfluidic device that enables fast, portable, and quantitative analysis of target amino acids, harnessing the biological mechanism of protein synthesis. In this device, the working principle of a finger-actuated pumping unit is applied, and the microchannels are designed to perform cell-free synthesis of a reporter protein in response to the target amino acids in the assay samples. Multiple steps required for the translational assay are controlled by the simple operation of two pushbuttons on the device. It is demonstrated that the developed microfluidic device provides precise quantification of two amino acids (methionine and phenylalanine) within 30 min at room temperature. We expect that the application of the presented device can be readily extended to the point-of-care testing of other metabolic compounds.
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Affiliation(s)
- Jieun Han
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Hye Jin Lim
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea
| | - Juhwan Park
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Dong Hyun Han
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea
| | - Dong-Myung Kim
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, 99 Daehak-ro, Yuseong-gu, Daejeon 34134, Republic of Korea.
| | - Je-Kyun Park
- Department of Bio and Brain Engineering, Korea Advanced Institute of Science and Technology (KAIST), 291 Daehak-ro, Yuseong-gu, Daejeon 34141, Republic of Korea.
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13
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Ji C, Zhou L, Chen Y, Fang X, Liu Y, Du M, Lu X, Li Q, Wang H, Sun Y, Lan T, Ma J. Microfluidic-LAMP chip for the point-of-care detection of gene-deleted and wild-type African swine fever viruses and other four swine pathogens. Front Vet Sci 2023; 10:1116352. [PMID: 36876016 PMCID: PMC9978214 DOI: 10.3389/fvets.2023.1116352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 02/01/2023] [Indexed: 02/18/2023] Open
Abstract
Introduction Different pathogens causing mixed infection are now threatening the pig industry in the context of the African Swine Fever (ASF) circulating especially in China, and it is crucial to achieving the early diagnosis of these pathogens for disease control and prevention. Methods Here we report the development of a rapid, portable, sensitive, high-throughput, and accurate microfluidic-LAMP chip detection system for simultaneous detection and differentiation of gene-deleted type and wild-type African swine fever virus (ASFV), pseudorabie virus (PRV), porcine parvovirus (PPV), porcine circovirus type 2 (PCV2), and porcine reproductive and respiratory syndrome (PRRSV). Results and discussion The newly developed system was shown to be sensitive with detection limits of 101 copies/μl for ASFV-MGF505-2R/P72, PPV, and PCV2, 102 copies/μl for ASFV-CD2v, PRV, and PRRSV. The system was highly specific (100%) and stable (C.V.s < 5%) in its ability to detect different pathogens. A total 213 clinical samples and 15 ASFV nucleic acid samples were collected to assess the performance of the detection system, showing highly effective diagnosis. Altogether, the developed microfluidic-LAMP chip system provides a rapid, sensitive, high-throughput and portable diagnostic tool for the accurate detection of multiple swine pathogens.
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Affiliation(s)
- Chihai Ji
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou, Guangdong, China.,Guangdong Laboratory for Lingnan Modern Agriculture, College of Animal Science, South China Agricultural University, Guangzhou, China.,African Swine Fever Regional Laboratory of China, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Ling Zhou
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou, Guangdong, China.,Guangdong Laboratory for Lingnan Modern Agriculture, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Yonghui Chen
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou, Guangdong, China.,Guangdong Laboratory for Lingnan Modern Agriculture, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Xueen Fang
- Department of Chemistry and Institutes of Biomedical Sciences, Fudan University, Shanghai, China
| | - Yanhong Liu
- Ningbo iGene Technology Co., Ltd., Ningbo, China
| | - Mengkan Du
- Hangzhou Xiaoshan District Animal Husbandry and Veterinary Development Center, Xiaoshan Bureau of Animal Husbandry and Veterinary, Hangzhou, China
| | - Xiandong Lu
- Ningbo iGene Technology Co., Ltd., Ningbo, China
| | - Qianniu Li
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou, Guangdong, China.,Guangdong Laboratory for Lingnan Modern Agriculture, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Heng Wang
- Guangdong Laboratory for Lingnan Modern Agriculture, College of Animal Science, South China Agricultural University, Guangzhou, China.,African Swine Fever Regional Laboratory of China, College of Veterinary Medicine, South China Agricultural University, Guangzhou, China
| | - Yuan Sun
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou, Guangdong, China.,Guangdong Laboratory for Lingnan Modern Agriculture, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Tian Lan
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou, Guangdong, China.,Guangdong Laboratory for Lingnan Modern Agriculture, College of Animal Science, South China Agricultural University, Guangzhou, China
| | - Jingyun Ma
- Guangdong Provincial Key Lab of Agro-Animal Genomics and Molecular Breeding, College of Animal Science, South China Agricultural University, Guangzhou, Guangdong, China.,Guangdong Laboratory for Lingnan Modern Agriculture, College of Animal Science, South China Agricultural University, Guangzhou, China
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14
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Sinha Mahapatra P, Ganguly R, Ghosh A, Chatterjee S, Lowrey S, Sommers AD, Megaridis CM. Patterning Wettability for Open-Surface Fluidic Manipulation: Fundamentals and Applications. Chem Rev 2022; 122:16752-16801. [PMID: 36195098 DOI: 10.1021/acs.chemrev.2c00045] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Effective manipulation of liquids on open surfaces without external energy input is indispensable for the advancement of point-of-care diagnostic devices. Open-surface microfluidics has the potential to benefit health care, especially in the developing world. This review highlights the prospects for harnessing capillary forces on surface-microfluidic platforms, chiefly by inducing smooth gradients or sharp steps of wettability on substrates, to elicit passive liquid transport and higher-order fluidic manipulations without off-the-chip energy sources. A broad spectrum of the recent progress in the emerging field of passive surface microfluidics is highlighted, and its promise for developing facile, low-cost, easy-to-operate microfluidic devices is discussed in light of recent applications, not only in the domain of biomedical microfluidics but also in the general areas of energy and water conservation.
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Affiliation(s)
- Pallab Sinha Mahapatra
- Micro Nano Bio-Fluidics group, Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai600036, India
| | - Ranjan Ganguly
- Department of Power Engineering, Jadavpur University, Kolkata700098, India
| | - Aritra Ghosh
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois60607, United States
| | - Souvick Chatterjee
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois60607, United States
| | - Sam Lowrey
- Department of Physics, University of Otago, Dunedin9016, New Zealand
| | - Andrew D Sommers
- Department of Mechanical and Manufacturing Engineering, Miami University, Oxford, Ohio45056, United States
| | - Constantine M Megaridis
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois60607, United States
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15
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Biosensors for the Rapid Detection of Cardiovascular Biomarkers of Vital Interest: Needs, Analysis and Perspectives. J Pers Med 2022; 12:jpm12121942. [PMID: 36556163 PMCID: PMC9781598 DOI: 10.3390/jpm12121942] [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: 09/19/2022] [Revised: 11/09/2022] [Accepted: 11/11/2022] [Indexed: 11/23/2022] Open
Abstract
We have previously surveyed a panel of 508 physicians from around the world about which biomarkers would be relevant if obtained in a very short time frame, corresponding to emergency situations (life-threatening or not). The biomarkers that emerged from this study were markers of cardiovascular disease: troponin, D-dimers, and brain natriuretic peptide (BNP). Cardiovascular disease is a group of disorders affecting the heart and blood vessels. At the intersection of medicine, basic research and engineering, biosensors that address the need for rapid biological analysis could find a place of choice in the hospital or primary care ecosystem. Rapid, reliable, and inexpensive analysis with a multi-marker approach, including machine learning analysis for patient risk analysis, could meet the demand of medical teams. The objective of this opinion review, proposed by a multidisciplinary team of experts (physicians, biologists, market access experts, and engineers), is to present cases where a rapid biological response is indeed valuable, to provide a short overview of current biosensor technologies for cardiac biomarkers designed for a short result time, and to discuss existing market access issues.
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16
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Annese VF, Hu C. Integrating Microfluidics and Electronics in Point-of-Care Diagnostics: Current and Future Challenges. MICROMACHINES 2022; 13:1923. [PMID: 36363944 PMCID: PMC9699090 DOI: 10.3390/mi13111923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2022] [Revised: 11/01/2022] [Accepted: 11/03/2022] [Indexed: 06/16/2023]
Abstract
Point-of-Care (POC) diagnostics have gained increasing attention in recent years due to its numerous advantages over conventional diagnostic approaches. As proven during the recent COVID-19 pandemic, the rapidity and portability of POC testing improves the efficiency of healthcare services and reduces the burden on healthcare providers. There are hundreds of thousands of different applications for POC diagnostics, however, the ultimate requirement for the test is the same: sample-in and result-out. Many technologies have been implemented, such as microfluidics, semiconductors, and nanostructure, to achieve this end. The development of even more powerful POC systems was also enabled by merging multiple technologies into the same system. One successful example is the integration of microfluidics and electronics in POC diagnostics, which has simplified the sample handling process, reduced sample usage, and reduced the cost of the test. This review will analyze the current development of the POC diagnostic systems with the integration of microfluidics and electronics and discuss the future challenges and perspectives that researchers might have.
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Affiliation(s)
- Valerio Francesco Annese
- Center for Nano Science and Technology@PoliMi, Istituto Italiano di Tecnologia, 20133 Milan, Italy
- James Watt School of Engineering, University of Glasgow, Glasgow G12 8QQ, UK
| | - Chunxiao Hu
- James Watt School of Engineering, University of Glasgow, Glasgow G12 8QQ, UK
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17
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Chen X, Zhang C, Liu B, Chang Y, Pang W, Duan X. A self-contained acoustofluidic platform for biomarker detection. LAB ON A CHIP 2022; 22:3817-3826. [PMID: 36069822 DOI: 10.1039/d2lc00541g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Self-contained microfluidic platforms with on-chip integration of flow control units, microreactors, (bio)sensors, etc. are ideal systems for point-of-care (POC) testing. However, current approaches such as micropumps and microvalves, increase the cost and the control system, and it is rather difficult to integrate into a single chip. Herein, we demonstrated a versatile acoustofluidic platform actuated by a Lamb wave resonator (LWR) array, in which pumping, mixing, fluidic switching, and particle trapping are all achieved on a single chip. The high-speed microscale acoustic streaming triggered by the LWR in the confined microchannel can be utilized to realize a flow resistor and switch. Variable unidirectional pumping was realized by regulating the relative position of the LWR in various custom-designed microfluidic structures and adoption of different geometric parameters for the microchannel. In addition, to realize quantitative biomarker detection, the on-chip flow resistor, micropump, micromixer and particle trapper were also integrated with a CMOS photo sensor and electronic driver circuit, resulting in an automated handheld microfluidic system with no moving parts. Finally, the acoustofluidic platform was tested for prostate-specific antigen (PSA) sensing, which demonstrates the biocompatibility and applied potency of this proposed self-contained system in POC biomedical applications.
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Affiliation(s)
- Xian Chen
- State Key Laboratory of Precision Measuring Technology & Instruments, and College of Precision Instrument and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China.
| | - Chuanchao Zhang
- State Key Laboratory of Precision Measuring Technology & Instruments, and College of Precision Instrument and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China.
| | - Bohua Liu
- State Key Laboratory of Precision Measuring Technology & Instruments, and College of Precision Instrument and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China.
| | - Ye Chang
- State Key Laboratory of Precision Measuring Technology & Instruments, and College of Precision Instrument and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China.
| | - Wei Pang
- State Key Laboratory of Precision Measuring Technology & Instruments, and College of Precision Instrument and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China.
| | - Xuexin Duan
- State Key Laboratory of Precision Measuring Technology & Instruments, and College of Precision Instrument and Opto-electronics Engineering, Tianjin University, Tianjin 300072, China.
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18
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Geissler M, Ponton A, Nassif C, Malic L, Turcotte K, Lukic L, Morton KJ, Veres T. Use of Polymer Micropillar Arrays as Templates for Solid-Phase Immunoassays. ACS APPLIED POLYMER MATERIALS 2022; 4:5287-5297. [PMID: 37552739 PMCID: PMC9173674 DOI: 10.1021/acsapm.2c00163] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Accepted: 04/20/2022] [Indexed: 08/10/2023]
Abstract
We investigate the use of periodic micropillar arrays produced by high-fidelity microfabrication with cyclic olefin polymers for solid-phase immunoassays. These three-dimensional (3D) templates offer higher surface-to-volume ratios than two-dimensional substrates, making it possible to attach more antibodies and so increase the signal obtained by the assay. Micropillar arrays also provide the capacity to induce wicking, which is used to distribute and confine antibodies on the surface with spatial control. Micropillar array substrates are modified by using oxygen plasma treatment, followed by grafting of (3-aminopropyl)triethoxysilane for binding proteins covalently using glutaraldehyde as a cross-linker. The relationship between microstructure and fluorescence signal was investigated through variation of pitch (10-50 μm), pillar diameter (5-40 μm), and pillar height (5-57 μm). Our findings suggest that signal intensity scales proportionally with the 3D surface area available for performing solid-phase immunoassays. A linear relationship between fluorescence intensity and microscale structure can be maintained even when the aspect ratio and pillar density both become very high, opening the possibility of tuning assay response by design such that desired signal intensity is obtained over a wide dynamic range compatible with different assays, analyte concentrations, and readout instruments. We demonstrate the versatility of the approach by performing the most common immunoassay formats-direct, indirect, and sandwich-in a qualitative fashion by using colorimetric and fluorescence-based detection for a number of clinically relevant protein markers, such as tumor necrosis factor alpha, interferon gamma (IFN-γ), and spike protein of severe acute respiratory syndrome coronavirus 2. We also show quantitative detection of IFN-γ in serum using a fluorescence-based sandwich immunoassay and calibrated samples with spike-in concentrations ranging from 50 pg/mL to 5 μg/mL, yielding an estimated limit of detection of ∼1 pg/mL for arrays with high micropillar density (11561 per mm2) and aspect ratio (1:11.35).
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Affiliation(s)
- Matthias Geissler
- Life Sciences Division, National Research Council of
Canada, 75 de Mortagne Boulevard, Boucherville, QC J4B 6Y4,
Canada
| | - André Ponton
- Life Sciences Division, National Research Council of
Canada, 75 de Mortagne Boulevard, Boucherville, QC J4B 6Y4,
Canada
| | - Christina Nassif
- Life Sciences Division, National Research Council of
Canada, 75 de Mortagne Boulevard, Boucherville, QC J4B 6Y4,
Canada
| | - Lidija Malic
- Life Sciences Division, National Research Council of
Canada, 75 de Mortagne Boulevard, Boucherville, QC J4B 6Y4,
Canada
| | - Karine Turcotte
- Life Sciences Division, National Research Council of
Canada, 75 de Mortagne Boulevard, Boucherville, QC J4B 6Y4,
Canada
| | - Ljuboje Lukic
- Life Sciences Division, National Research Council of
Canada, 75 de Mortagne Boulevard, Boucherville, QC J4B 6Y4,
Canada
| | - Keith J. Morton
- Life Sciences Division, National Research Council of
Canada, 75 de Mortagne Boulevard, Boucherville, QC J4B 6Y4,
Canada
| | - Teodor Veres
- Life Sciences Division, National Research Council of
Canada, 75 de Mortagne Boulevard, Boucherville, QC J4B 6Y4,
Canada
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19
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Norton C, Hassan U. Bioelectronic Sensor with Magnetic Modulation to Quantify Phagocytic Activity of Blood Cells Employing Machine Learning. ACS Sens 2022; 7:1936-1945. [PMID: 35709478 DOI: 10.1021/acssensors.2c00706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Microbial infections result in activating an immune response in the human body, which triggers inflammatory pathways resulting in recognition and subsequent killing of the pathogens. Quantifying the blood cells' natural ability to kill pathogens, i.e., phagocytosis, is critical to demonstrating the effectiveness of an individual's response in combating pathogens. Current laboratory processes and equipment that can be used to monitor phagocytic activity are costly and time-consuming and require significant technical expertise to run such assays. Here, we design and develop a novel biosensing platform capable of quantifying the phagocytic ability of blood cells. The sensor design is composed of electronic sensing and magnetic modulation sub-systems that work in conjunction to monitor phagocytic activity in microfluidic channels. The phagocytes internalize the IgG-coated magnetic beads, and when infused into the sensor, their speed will be modulated using the quadrupole magnetic field configuration as they pass through microfluidic channels where microfabricated electrodes are placed. The electronic sensor will generate the voltage pulse for each passage of the phagocyte, whose distinct features are correlative to the phagocytic activity. We experimentally tested this device using 17 blood samples collected from patients at Robert Wood Johnson Medical Hospital. Further, we developed artificial neural networks (ANN) to improve the accuracy of the phagocytic activity detection. ANN model detected the phagocytic activity with 88.2% accuracy. This novel sensing platform can potentially be used to triage high risk patients and develop personalized theranostics for the septic patients in the future.
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Affiliation(s)
- Corey Norton
- Department of Electrical and Computer Engineering, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States
| | - Umer Hassan
- Department of Electrical and Computer Engineering, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States.,Global Health Institute, Rutgers, The State University of New Jersey, New Brunswick, New Jersey 08901, United States
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20
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Shen H, Chen X, Zeng L, Xu X, Tao Y, Kang S, Lu Y, Lian M, Yang C, Zhu Z. Magnetofluid-Integrated Multicolor Immunochip for Visual Analysis of Neutralizing Antibodies to SARS-CoV-2 Variants. Anal Chem 2022; 94:8458-8465. [PMID: 35658117 PMCID: PMC9211038 DOI: 10.1021/acs.analchem.2c01260] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 05/20/2022] [Indexed: 11/29/2022]
Abstract
The global spread of SARS-CoV-2 virus has severely affected human health, life, and work. Vaccine immunization is considered to be an effective means to protect the body from infection. Therefore, timely analysis of the antibody level is helpful to identify people with low immune response or attenuated antibodies so as to carry out targeted and precise vaccine booster immunization. Herein, we develop a magnetofluid-integrated multicolor immunochip, as a sample-to-answer system in a fully enclosed space, for visual analysis of neutralizing antibodies of SARS-CoV-2. Generally, this chip adopts an innovative three-dimensional two-phase system that utilizes mineral oil to block the connection between reagent wells in the vertical direction and provides a wide interface for rapid and nondestructive shuttle of magnetic beads during the immunoassay. In order to obtain visualized signal output, gold nanorods with a size-dependent color effect are used as the colorful chromogenic substrates for evaluation of the antibody level. Using this chip, the neutralizing antibodies were successfully detected in vaccine-immunized volunteers with 83.3% sensitivity and 100% specificity. Furthermore, changes in antibody levels of the same individual over time were also reflected by the multicolor assay. Overall, benefiting from simple operation, airtight safety, and nonrequirement of external equipment, this platform can provide a new point-of-care testing strategy for alleviating the shortage of medical resources and promoting epidemic control in underdeveloped areas.
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Affiliation(s)
- Haicong Shen
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xinying Chen
- Clinical
Laboratory, Xiamen University Hospital, Xiamen 361005, China
| | - Liuqing Zeng
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Xing Xu
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yingzhou Tao
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Siyin Kang
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Yinzhu Lu
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
| | - Mingjian Lian
- Clinical
Laboratory, The First Affiliated Hospital
of Xiamen University, Xiamen 361005, China
| | - Chaoyong Yang
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
- Institute
of Molecular Medicine, Department of Gastrointestinal Surgery, Renji
Hospital, School of Medicine, Shanghai Jiao
Tong University Shanghai, Shanghai 200127, China
| | - Zhi Zhu
- MOE
Key Laboratory of Spectrochemical Analysis & Instrumentation,
Collaborative Innovation Center of Chemistry for Energy Materials,
Key Laboratory for Chemical Biology of Fujian Province, State Key
Laboratory of Physical Chemistry of Solid Surfaces, Department of
Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, China
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21
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Bhardwaj T, Ramana LN, Sharma TK. Current Advancements and Future Road Map to Develop ASSURED Microfluidic Biosensors for Infectious and Non-Infectious Diseases. BIOSENSORS 2022; 12:bios12050357. [PMID: 35624657 PMCID: PMC9139021 DOI: 10.3390/bios12050357] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/01/2022] [Accepted: 05/17/2022] [Indexed: 02/07/2023]
Abstract
Better diagnostics are always essential for the treatment and prevention of a disease. Existing technologies for detecting infectious and non-infectious diseases are mostly tedious, expensive, and do not meet the World Health Organization’s (WHO) ASSURED (affordable, sensitive, specific, user-friendly, rapid and robust, equipment-free, and deliverable to end user) criteria. Hence, more accurate, sensitive, and faster diagnostic technologies that meet the ASSURED criteria are highly required for timely and evidenced-based treatment. Presently, the diagnostics industry is finding interest in microfluidics-based biosensors, as this integration comprises all qualities, such as reduction in the size of the equipment, rapid turnaround time, possibility of parallel multiple analysis or multiplexing, etc. Microfluidics deal with the manipulation/analysis of fluid within micrometer-sized channels. Biosensors comprise biomolecules immobilized on a physicochemical transducer for the detection of a specific analyte. In this review article, we provide an outline of the history of microfluidics, current practices in the selection of materials in microfluidics, and how and where microfluidics-based biosensors have been used for the diagnosis of infectious and non-infectious diseases. Our inclination in this review article is toward the employment of microfluidics-based biosensors for the improvement of already existing/traditional methods in order to reduce efforts without compromising the accuracy of the diagnostic test. This article also suggests the possible improvements required in microfluidic chip-based biosensors in order to meet the ASSURED criteria.
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Affiliation(s)
- Tanu Bhardwaj
- NCR Biotech Science Cluster, Translational Health Science and Technology Institute, 3rd Milestone, Gurugram Expressway, Faridabad 121001, India;
| | - Lakshmi Narashimhan Ramana
- Manipal Institute of Regenerative Medicine, Manipal Academy of Higher Education (MAHE), Bangalore 560065, India;
| | - Tarun Kumar Sharma
- Department of Medical Biotechnology, Gujarat Biotechnology University, Gujarat International Finance and Tec (GIFT) City, Gandhinagar 382355, India
- Correspondence:
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22
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Velappan N, Nguyen HB, Micheva-Viteva S, Bedinger D, Ye C, Mangadu B, Watts AJ, Meagher R, Bradfute S, Hu B, Waldo GS, Lillo AM. Healthy humans can be a source of antibodies countering COVID-19. Bioengineered 2022; 13:12598-12624. [PMID: 35599623 PMCID: PMC9275966 DOI: 10.1080/21655979.2022.2076390] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2022] [Revised: 04/13/2022] [Accepted: 05/06/2022] [Indexed: 11/05/2022] Open
Abstract
Here, we describe the isolation of 18 unique anti SARS-CoV-2 human single-chain antibodies from an antibody library derived from healthy donors. The selection used a combination of phage and yeast display technologies and included counter-selection strategies meant to direct the selection of the receptor-binding motif (RBM) of SARS-CoV-2 spike protein's receptor binding domain (RBD2). Selected antibodies were characterized in various formats including IgG, using flow cytometry, ELISA, high throughput SPR, and fluorescence microscopy. We report antibodies' RBD2 recognition specificity, binding affinity, and epitope diversity, as well as ability to block RBD2 binding to the human receptor angiotensin-converting enzyme 2 (ACE2) and to neutralize authentic SARS-CoV-2 virus infection in vitro. We present evidence supporting that: 1) most of our antibodies (16 out of 18) selectively recognize RBD2; 2) the best performing 8 antibodies target eight different epitopes of RBD2; 3) one of the pairs tested in sandwich assays detects RBD2 with sub-picomolar sensitivity; and 4) two antibody pairs inhibit SARS-CoV-2 infection at low nanomolar half neutralization titers. Based on these results, we conclude that our antibodies have high potential for therapeutic and diagnostic applications. Importantly, our results indicate that readily available non immune (naïve) antibody libraries obtained from healthy donors can be used to select high-quality monoclonal antibodies, bypassing the need for blood of infected patients, and offering a widely accessible and low-cost alternative to more sophisticated and expensive antibody selection approaches (e.g. single B cell analysis and natural evolution in humanized mice).
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Affiliation(s)
- Nileena Velappan
- Biosciences Division, Los Alamos National Laboratory, Los Alamos, NM87547, USA
| | - Hau B. Nguyen
- Biosciences Division, Los Alamos National Laboratory, Los Alamos, NM87547, USA
| | | | - Daniel Bedinger
- Experimental division, Carterra Inc, Walnut Creek, CA, 94568, USA
| | - Chunyan Ye
- Center for Global Health and Department of Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Betty Mangadu
- Biotechnology and Bioengineering Department, Sandia National Laboratories, Livermore, CA, 94551, USA
| | - Austin J. Watts
- Biosciences Division, Los Alamos National Laboratory, Los Alamos, NM87547, USA
- Experimental division, Carterra Inc, Walnut Creek, CA, 94568, USA
- Center for Global Health and Department of Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
- Biotechnology and Bioengineering Department, Sandia National Laboratories, Livermore, CA, 94551, USA
| | - Robert Meagher
- Biotechnology and Bioengineering Department, Sandia National Laboratories, Livermore, CA, 94551, USA
| | - Steven Bradfute
- Center for Global Health and Department of Internal Medicine, University of New Mexico Health Sciences Center, Albuquerque, NM, 87131, USA
| | - Bin Hu
- Biosciences Division, Los Alamos National Laboratory, Los Alamos, NM87547, USA
| | - Geoffrey S. Waldo
- Biosciences Division, Los Alamos National Laboratory, Los Alamos, NM87547, USA
| | - Antonietta M. Lillo
- Biosciences Division, Los Alamos National Laboratory, Los Alamos, NM87547, USA
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23
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Chozinski T, Ferguson BS, Fisher W, Ge S, Gong Q, Kang H, McDermott J, Scott A, Shi W, Trausch JJ, Verch T, Vukovich M, Wang J, Wu JE, Yang Q. Development of an Aptamer-Based Electrochemical Microfluidic Device for Viral Vaccine Quantitation. Anal Chem 2022; 94:6146-6155. [PMID: 35410467 DOI: 10.1021/acs.analchem.1c05093] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Global deployment of vaccines poses significant challenges in the distribution and use of the accompanying immunoassays, one of the standard methods for quality control of vaccines, particularly when establishing assays in countries worldwide to support testing/release upon importation. This work describes our effort toward developing an integrated, portable device to carry out affinity assays for viral particles quantification in viral vaccines by incorporating (i) aptamers, (ii) microfluidic devices, and (iii) electrochemical detection. We generated and characterized more than eight aptamers against multiple membrane proteins of cytomegalovirus (CMV), which we used as a model system and designed and fabricated electrochemical microfluidic devices to measure CMV concentrations in a candidate vaccine under development. The aptamer-based assays provided a half maximal effective concentration, EC50, of 12 U/mL, comparable to that of an ELISA using a pair of antibodies (EC50 60 U/mL). The device measured relative CMV concentrations accurately (within ±10% bias) and precisely (11%, percent relative standard deviation). This work represents the critical first steps toward developing simple, affordable, and robust affinity assays for global deployment without the need for sensitive equipment and extensive analyst training.
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Affiliation(s)
- Tyler Chozinski
- Aptitude Medical Systems, 125 Cremona Drive, Suite 100, Goleta, California 93117, United States
| | - B Scott Ferguson
- Aptitude Medical Systems, 125 Cremona Drive, Suite 100, Goleta, California 93117, United States
| | - William Fisher
- Aptitude Medical Systems, 125 Cremona Drive, Suite 100, Goleta, California 93117, United States
| | - Shencheng Ge
- Merck & Co., Inc., 770 Sumneytown Pike, West Point, Pennsylvania 19486, United States
| | - Qiang Gong
- Aptitude Medical Systems, 125 Cremona Drive, Suite 100, Goleta, California 93117, United States
| | - Hui Kang
- Aptitude Medical Systems, 125 Cremona Drive, Suite 100, Goleta, California 93117, United States
| | - John McDermott
- Aptitude Medical Systems, 125 Cremona Drive, Suite 100, Goleta, California 93117, United States
| | - Alexander Scott
- Aptitude Medical Systems, 125 Cremona Drive, Suite 100, Goleta, California 93117, United States
| | - Wentao Shi
- Aptitude Medical Systems, 125 Cremona Drive, Suite 100, Goleta, California 93117, United States
| | - Jeremiah J Trausch
- Merck & Co., Inc., 770 Sumneytown Pike, West Point, Pennsylvania 19486, United States
| | - Thorsten Verch
- Merck & Co., Inc., 770 Sumneytown Pike, West Point, Pennsylvania 19486, United States
| | - Matthew Vukovich
- Aptitude Medical Systems, 125 Cremona Drive, Suite 100, Goleta, California 93117, United States
| | - Jinpeng Wang
- Aptitude Medical Systems, 125 Cremona Drive, Suite 100, Goleta, California 93117, United States
| | - J Emma Wu
- Aptitude Medical Systems, 125 Cremona Drive, Suite 100, Goleta, California 93117, United States
| | - Qin Yang
- Aptitude Medical Systems, 125 Cremona Drive, Suite 100, Goleta, California 93117, United States
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24
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Wang Z, Jiang H, Wu G, Li Y, Zhang T, Zhang Y, Wang X. Shape-Programmable Three-Dimensional Microfluidic Structures. ACS APPLIED MATERIALS & INTERFACES 2022; 14:15599-15607. [PMID: 35319180 PMCID: PMC9552124 DOI: 10.1021/acsami.1c24799] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Microfluidic devices are gaining extensive interest due to their potential applications in wide-ranging areas, including lab-on-a-chip devices, fluid delivery, and artificial vascular networks. Most current microfluidic devices are in a planar design with fixed configurations once formed, which limits their applications such as in engineered vascular networks in biology and programmable drug delivery systems. Here, shape-programmable three-dimensional (3D) microfluidic structures, which are assembled from a bilayer of channel-embedded polydimethylsiloxane (PDMS) and shape-memory polymers (SMPs) via compressive buckling, are reported. 3D microfluidics in diverse geometries including those in open-mesh configurations are presented. In addition, they can be programmed into temporary shapes and recover their original shape under thermal stimuli due to the shape memory effect of the SMP component, with fluid flow in the microfluidic channels well maintained in both deformed and recovered shapes. Furthermore, the shape-fixing effect of SMPs enables freestanding open-mesh 3D microfluidic structures without the need for a substrate to maintain the 3D shape as used in previous studies. By adding magnetic particles into the PDMS layer, magnetically responsive 3D microfluidic structures are enabled to achieve fast, remote programming of the structures via a portable magnet. A 3D design phase diagram is constructed to show the effects of the magnetic PDMS/SMP thickness ratio and the volume fraction of magnetic particles on the shape programmability of the 3D microfluidic structures. The developed shape-programmable, open-mesh 3D microfluidic structures offer many opportunities for applications including tissue engineering, drug delivery, and many others.
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Affiliation(s)
- Zizheng Wang
- Department of Materials Science and Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
| | - Hao Jiang
- Department of Mechanical and Aerospace Engineering, Syracuse University, Syracuse, New York 13244, United States
| | - Guangfu Wu
- Department of Biomedical Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
| | - Yi Li
- Department of Materials Science and Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
| | - Teng Zhang
- Department of Mechanical and Aerospace Engineering, Syracuse University, Syracuse, New York 13244, United States
- BioInspired Syracuse, Syracuse University, Syracuse, New York 13244, United States
| | - Yi Zhang
- Department of Biomedical Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
| | - Xueju Wang
- Department of Materials Science and Engineering, University of Connecticut, Storrs, Connecticut 06269, United States
- Polymer Program, University of Connecticut, Storrs, Connecticut 06269, United States
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25
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Normalization of Blood Viscosity According to the Hematocrit and the Shear Rate. MICROMACHINES 2022; 13:mi13030357. [PMID: 35334649 PMCID: PMC8954080 DOI: 10.3390/mi13030357] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/23/2021] [Revised: 02/01/2022] [Accepted: 02/02/2022] [Indexed: 12/24/2022]
Abstract
The rheological properties of blood depend highly on the properties of its red blood cells: concentration, membrane elasticity, and aggregation. These properties affect the viscosity of blood as well as its shear thinning behavior. Using an experimental analysis of the interface advancement of blood in a microchannel, we determine the viscosity of different samples of blood. In this work, we present two methods that successfully normalize the viscosity of blood for a single and for different donors, first according to the concentration of erythrocytes and second according to the shear rate. The proposed methodology is able to predict the health conditions of the blood samples by introducing a non-dimensional coefficient that accounts for the response to shear rate of the different donors blood samples. By means of these normalization methods, we were able to determine the differences between the red blood cells of the samples and define a range where healthy blood samples can be described by a single behavior.
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26
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Park R, Jeon S, Jeong J, Park SY, Han DW, Hong SW. Recent Advances of Point-of-Care Devices Integrated with Molecularly Imprinted Polymers-Based Biosensors: From Biomolecule Sensing Design to Intraoral Fluid Testing. BIOSENSORS 2022; 12:bios12030136. [PMID: 35323406 PMCID: PMC8946830 DOI: 10.3390/bios12030136] [Citation(s) in RCA: 26] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 02/16/2022] [Accepted: 02/21/2022] [Indexed: 05/11/2023]
Abstract
Recent developments of point-of-care testing (POCT) and in vitro diagnostic medical devices have provided analytical capabilities and reliable diagnostic results for rapid access at or near the patient's location. Nevertheless, the challenges of reliable diagnosis still remain an important factor in actual clinical trials before on-site medical treatment and making clinical decisions. New classes of POCT devices depict precise diagnostic technologies that can detect biomarkers in biofluids such as sweat, tears, saliva or urine. The introduction of a novel molecularly imprinted polymer (MIP) system as an artificial bioreceptor for the POCT devices could be one of the emerging candidates to improve the analytical performance along with physicochemical stability when used in harsh environments. Here, we review the potential availability of MIP-based biorecognition systems as custom artificial receptors with high selectivity and chemical affinity for specific molecules. Further developments to the progress of advanced MIP technology for biomolecule recognition are introduced. Finally, to improve the POCT-based diagnostic system, we summarized the perspectives for high expandability to MIP-based periodontal diagnosis and the future directions of MIP-based biosensors as a wearable format.
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Affiliation(s)
- Rowoon Park
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 46241, Korea; (R.P.); (S.J.); (J.J.); (D.-W.H.)
| | - Sangheon Jeon
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 46241, Korea; (R.P.); (S.J.); (J.J.); (D.-W.H.)
| | - Jeonghwa Jeong
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 46241, Korea; (R.P.); (S.J.); (J.J.); (D.-W.H.)
| | - Shin-Young Park
- Department of Dental Education and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 03080, Korea;
| | - Dong-Wook Han
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 46241, Korea; (R.P.); (S.J.); (J.J.); (D.-W.H.)
- Department of Optics and Mechatronics Engineering, Pusan National University, Busan 46241, Korea
| | - Suck Won Hong
- Department of Cogno-Mechatronics Engineering, Pusan National University, Busan 46241, Korea; (R.P.); (S.J.); (J.J.); (D.-W.H.)
- Department of Optics and Mechatronics Engineering, Pusan National University, Busan 46241, Korea
- Correspondence:
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27
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Microfluidics Approach to the Mechanical Properties of Red Blood Cell Membrane and Their Effect on Blood Rheology. MEMBRANES 2022; 12:membranes12020217. [PMID: 35207138 PMCID: PMC8878405 DOI: 10.3390/membranes12020217] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Revised: 01/14/2022] [Accepted: 01/18/2022] [Indexed: 02/06/2023]
Abstract
In this article, we describe the general features of red blood cell membranes and their effect on blood flow and blood rheology. We first present a basic description of membranes and move forward to red blood cell membranes’ characteristics and modeling. We later review the specific properties of red blood cells, presenting recent numerical and experimental microfluidics studies that elucidate the effect of the elastic properties of the red blood cell membrane on blood flow and hemorheology. Finally, we describe specific hemorheological pathologies directly related to the mechanical properties of red blood cells and their effect on microcirculation, reviewing microfluidic applications for the diagnosis and treatment of these diseases.
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28
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Enhancement of Binding Kinetics on Affinity Substrates Using Asymmetric Electroosmotic Flow on a Sinusoidal Bipolar Electrode. MICROMACHINES 2022; 13:mi13020207. [PMID: 35208334 PMCID: PMC8878551 DOI: 10.3390/mi13020207] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/18/2022] [Accepted: 01/23/2022] [Indexed: 02/04/2023]
Abstract
In the context of the COVID-19 epidemic, enhancing the transport of analyte to a sensor surface is crucial for rapid detection of biomolecules since common conditions, including low diffusion coefficients, cause inordinately long detection times. Integrated microfluidic immunoassay chips are receiving increasing attention for their low sample volume and fast response time. We herein take advantage of asymmetric ICEO flow at a bipolar sinusoidal electrode to improve the rate of antibody binding to the reaction surface based on finite element modeling. Three different microfluidic cavities are proposed by changing the positions of the surface reaction area. We further investigate the relationship between binding enhancement and reaction surface positions, Damkohler number, and the voltage and frequency of the AC signal applied to the driving electrodes. Furthermore, the influence of the AC signal applied to the sinusoidal bipolar electrode on antigen–antibody-binding performance is studied in detail. Above all, the simulation results demonstrate that the microfluidic immune-sensor with a sinusoidal bipolar electrode could not only significantly improve the heterogeneous immunoassays but also enable efficient enhancement of assays in a selected reaction region within the micro-cavity, providing a promising approach to a variety of immunoassay applications, such as medical diagnostics and environmental and food monitoring.
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29
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Terao K, Kondo S. AC-Electroosmosis-Assisted Surface Plasmon Resonance Sensing for Enhancing Protein Signals with a Simple Kretschmann Configuration. SENSORS 2022; 22:s22030854. [PMID: 35161603 PMCID: PMC8838944 DOI: 10.3390/s22030854] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 01/19/2022] [Accepted: 01/21/2022] [Indexed: 11/27/2022]
Abstract
A surface plasmon resonance (SPR) sensor chip fabricated with a comb-shaped microelectrode array to supply alternating current (AC) voltage is reported. The chip induces circulating flow near the surface (i.e., AC electroosmosis). The circulating flow provides a mixing effect, which enhances the binding of the analyte molecules. We evaluated the SPR characteristics of the chip and demonstrated an improvement in protein binding to the chip surface. SPR sensor chips with comb-shaped microelectrodes were fabricated using standard UV lithography. Sensing experiments were conducted using a standard Kretschmann-type SPR measurement system. To demonstrate the mixing effect of AC electroosmosis, we evaluated the binding of immunoglobulin G molecules onto the sensor surface where anti-immunoglobulin G antibodies were covalently immobilized. The result indicates that the amount of binding increases by a factor of 1.7 above that achieved by using a conventional chip, suggesting enhancement of the protein signal.
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30
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Ali MA, Hu C, Zhang F, Jahan S, Yuan B, Saleh MS, Gao SJ, Panat R. N protein-based ultrasensitive SARS-CoV-2 antibody detection in seconds via 3D nanoprinted, microarchitected array electrodes. J Med Virol 2022; 94:2067-2078. [PMID: 35032037 PMCID: PMC9015463 DOI: 10.1002/jmv.27591] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Accepted: 01/05/2022] [Indexed: 12/02/2022]
Abstract
Rapid detection of antibodies to SARS‐CoV‐2 is critical for COVID‐19 diagnostics, epidemiological research, and studies related to vaccine evaluation. It is known that the nucleocapsid (N) is the most abundant protein of SARS‐CoV‐2 and can serve as an excellent biomarker due to its strong immunogenicity. This paper reports a rapid and ultrasensitive 3D biosensor for quantification of COVID‐19 antibodies in seconds via electrochemical transduction. This sensor consists of an array of three‐dimensional micro‐length‐scale electrode architecture that is fabricated by aerosol jet 3D printing, which is an additive manufacturing technique. The micropillar array is coated with N proteins via an intermediate layer of nano‐graphene and is integrated into a microfluidic channel to complete an electrochemical cell that uses antibody‐antigen interaction to detect the antibodies to the N protein. Due to the structural innovation in the electrode geometry, the sensing is achieved in seconds, and the sensor shows an excellent limit of detection of 13 fm and an optimal detection range of 100 fm to 1 nm. Furthermore, the sensor can be regenerated at least 10 times, which reduces the cost per test. This work provides a powerful platform for rapid screening of antibodies to SARS‐CoV‐2 after infection or vaccination. This work demonstrates a microfluidic biosensor with 3D printed array electrodes that detects nucleocapsid (N) antibodies to SARS‐CoV‐2 in mere 10‐12 seconds. This breakthrough technology will save lives and help in the management of the ongoing COVID‐19 pandemic.
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Affiliation(s)
- Md Azahar Ali
- Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Chunshan Hu
- Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Fei Zhang
- Cancer Virology Program, UPMC Hillman Cancer Center and Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Sanjida Jahan
- Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Bin Yuan
- Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Mohammad S Saleh
- Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA
| | - S-J Gao
- Cancer Virology Program, UPMC Hillman Cancer Center and Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Rahul Panat
- Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, PA, USA
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Sun M, Pei X, Xin T, Liu J, Ma C, Cao M, Zhou M. A Flexible Microfluidic Chip-Based Universal Fully Integrated Nanoelectronic System with Point-of-Care Raw Sweat, Tears, or Saliva Glucose Monitoring for Potential Noninvasive Glucose Management. Anal Chem 2022; 94:1890-1900. [DOI: 10.1021/acs.analchem.1c05174] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Mimi Sun
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, National & Local United Engineering Laboratory for Power Batteries, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Analysis and Testing Center, Department of Chemistry, Northeast Normal University, Changchun, Jilin Province 130024, China
| | - Xinyi Pei
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, National & Local United Engineering Laboratory for Power Batteries, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Analysis and Testing Center, Department of Chemistry, Northeast Normal University, Changchun, Jilin Province 130024, China
| | - Tong Xin
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, National & Local United Engineering Laboratory for Power Batteries, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Analysis and Testing Center, Department of Chemistry, Northeast Normal University, Changchun, Jilin Province 130024, China
| | - Jian Liu
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, National & Local United Engineering Laboratory for Power Batteries, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Analysis and Testing Center, Department of Chemistry, Northeast Normal University, Changchun, Jilin Province 130024, China
| | - Chongbo Ma
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, National & Local United Engineering Laboratory for Power Batteries, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Analysis and Testing Center, Department of Chemistry, Northeast Normal University, Changchun, Jilin Province 130024, China
| | - Mengzhu Cao
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, National & Local United Engineering Laboratory for Power Batteries, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Analysis and Testing Center, Department of Chemistry, Northeast Normal University, Changchun, Jilin Province 130024, China
| | - Ming Zhou
- Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, National & Local United Engineering Laboratory for Power Batteries, Key Laboratory of Nanobiosensing and Nanobioanalysis at Universities of Jilin Province, Analysis and Testing Center, Department of Chemistry, Northeast Normal University, Changchun, Jilin Province 130024, China
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Hang Y, Boryczka J, Wu N. Visible-light and near-infrared fluorescence and surface-enhanced Raman scattering point-of-care sensing and bio-imaging: a review. Chem Soc Rev 2022; 51:329-375. [PMID: 34897302 PMCID: PMC9135580 DOI: 10.1039/c9cs00621d] [Citation(s) in RCA: 74] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
This review article deals with the concepts, principles and applications of visible-light and near-infrared (NIR) fluorescence and surface-enhanced Raman scattering (SERS) in in vitro point-of-care testing (POCT) and in vivo bio-imaging. It has discussed how to utilize the biological transparency windows to improve the penetration depth and signal-to-noise ratio, and how to use surface plasmon resonance (SPR) to amplify fluorescence and SERS signals. This article has highlighted some plasmonic fluorescence and SERS probes. It has also reviewed the design strategies of fluorescent and SERS sensors in the detection of metal ions, small molecules, proteins and nucleic acids. Particularly, it has provided perspectives on the integration of fluorescent and SERS sensors into microfluidic chips as lab-on-chips to realize point-of-care testing. It has also discussed the design of active microfluidic devices and non-paper- or paper-based lateral flow assays for in vitro diagnostics. In addition, this article has discussed the strategies to design in vivo NIR fluorescence and SERS bio-imaging platforms for monitoring physiological processes and disease progression in live cells and tissues. Moreover, it has highlighted the applications of POCT and bio-imaging in testing toxins, heavy metals, illicit drugs, cancers, traumatic brain injuries, and infectious diseases such as COVID-19, influenza, HIV and sepsis.
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Affiliation(s)
- Yingjie Hang
- Department of Chemical Engineering, University of Massachusetts Amherst, Amherst, MA 01003-9303, USA.
| | - Jennifer Boryczka
- Department of Chemical Engineering, University of Massachusetts Amherst, Amherst, MA 01003-9303, USA.
| | - Nianqiang Wu
- Department of Chemical Engineering, University of Massachusetts Amherst, Amherst, MA 01003-9303, USA.
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Arshavsky-Graham S, Segal E. Lab-on-a-Chip Devices for Point-of-Care Medical Diagnostics. ADVANCES IN BIOCHEMICAL ENGINEERING/BIOTECHNOLOGY 2022. [PMID: 32435872 DOI: 10.1007/10_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/27/2023]
Abstract
The recent coronavirus (COVID-19) pandemic has underscored the need to move from traditional lab-centralized diagnostics to point-of-care (PoC) settings. Lab-on-a-chip (LoC) platforms facilitate the translation to PoC settings via the miniaturization, portability, integration, and automation of multiple assay functions onto a single chip. For this purpose, paper-based assays and microfluidic platforms are currently being extensively studied, and much focus is being directed towards simplifying their design while simultaneously improving multiplexing and automation capabilities. Signal amplification strategies are being applied to improve the performance of assays with respect to both sensitivity and selectivity, while smartphones are being integrated to expand the analytical power of the technology and promote its accessibility. In this chapter, we review the main technologies in the field of LoC platforms for PoC medical diagnostics and survey recent approaches for improving these assays.
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Affiliation(s)
- Sofia Arshavsky-Graham
- Department of Biotechnology and Food Engineering, Technion - Israel Institute of Technology, Haifa, Israel
- Institute of Technical Chemistry, Leibniz University Hannover, Hanover, Germany
| | - Ester Segal
- Department of Biotechnology and Food Engineering, Technion - Israel Institute of Technology, Haifa, Israel.
- The Russell Berrie Nanotechnology Institute, Technion - Israel Institute of Technology, Haifa, Israel.
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Vázquez M, Anfossi L, Ben-Yoav H, Diéguez L, Karopka T, Della Ventura B, Abalde-Cela S, Minopoli A, Di Nardo F, Shukla VK, Teixeira A, Tvarijonaviciute A, Franco-Martínez L. Use of some cost-effective technologies for a routine clinical pathology laboratory. LAB ON A CHIP 2021; 21:4330-4351. [PMID: 34664599 DOI: 10.1039/d1lc00658d] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
Classically, the need for highly sophisticated instruments with important economic costs has been a major limiting factor for clinical pathology laboratories, especially in developing countries. With the aim of making clinical pathology more accessible, a wide variety of free or economical technologies have been developed worldwide in the last few years. 3D printing and Arduino approaches can provide up to 94% economical savings in hardware and instrumentation in comparison to commercial alternatives. The vast selection of point-of-care-tests (POCT) currently available also limits the need for specific instruments or personnel, as they can be used almost anywhere and by anyone. Lastly, there are dozens of free and libre digital tools available in health informatics. This review provides an overview of the state-of-the-art on cost-effective alternatives with applications in routine clinical pathology laboratories. In this context, a variety of technologies including 3D printing and Arduino, lateral flow assays, plasmonic biosensors, and microfluidics, as well as laboratory information systems, are discussed. This review aims to serve as an introduction to different technologies that can make clinical pathology more accessible and, therefore, contribute to achieve universal health coverage.
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Affiliation(s)
- Mercedes Vázquez
- National Centre For Sensor Research, School of Chemical Sciences, Dublin City University, Glasnevin, Dublin 9, Ireland
| | - Laura Anfossi
- Department of Chemistry, University of Turin, Via Giuria, 5, I-10125 Turin, Italy
| | - Hadar Ben-Yoav
- Nanobioelectronics Laboratory (NBEL), Department of Biomedical Engineering, Ilse Katz Institute of Nanoscale Science and Technology, Zlotowski Center for Neuroscience, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Lorena Diéguez
- Medical Devices Research Group, International Iberian Nanotechnology Laboratory - INL, 4715-330 Braga, Portugal
| | | | - Bartolomeo Della Ventura
- Department of Physics "E. Pancini", University of Naples Federico II, Via Cintia 26, I-80126 Napoli, Italy
| | - Sara Abalde-Cela
- Medical Devices Research Group, International Iberian Nanotechnology Laboratory - INL, 4715-330 Braga, Portugal
| | - Antonio Minopoli
- Department of Physics "E. Pancini", University of Naples Federico II, Via Cintia 26, I-80126 Napoli, Italy
| | - Fabio Di Nardo
- Department of Chemistry, University of Turin, Via Giuria, 5, I-10125 Turin, Italy
| | - Vikas Kumar Shukla
- Nanobioelectronics Laboratory (NBEL), Department of Biomedical Engineering, Ilse Katz Institute of Nanoscale Science and Technology, Zlotowski Center for Neuroscience, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Alexandra Teixeira
- Medical Devices Research Group, International Iberian Nanotechnology Laboratory - INL, 4715-330 Braga, Portugal
| | - Asta Tvarijonaviciute
- Interdisciplinary Laboratory of Clinical Pathology, Interlab-UMU, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, 30100 Murcia, Spain.
| | - Lorena Franco-Martínez
- Interdisciplinary Laboratory of Clinical Pathology, Interlab-UMU, Regional Campus of International Excellence 'Campus Mare Nostrum', University of Murcia, 30100 Murcia, Spain.
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Li L, Westerbeek EY, Vollenbroek JC, de Beer S, Shui L, Odijk M, Eijkel JCT. Autonomous capillary microfluidic devices with constant flow rate and temperature-controlled valving. SOFT MATTER 2021; 17:7781-7791. [PMID: 34351350 DOI: 10.1039/d1sm00625h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
In this paper, we report on a capillary microfluidic device with constant flow rate and temperature-triggered stop valve function. It contains a PDMS channel that was grafted by a thermo-responsive polymer poly(N-isopropylacrylamide) (PNIPAm). The channel exhibits a constant capillary filling speed. By locally increasing the temperature in the channel from 20 °C to 37 °C using a microfabricated heater, a change of the surface wettability from hydrophilic to hydrophobic is obtained creating a hydrophobic stop valve. The valve can be reopened by lowering the temperature. The device is simple to fabricate and can be used as an actuatable capillary pump operating around room temperature. To understand the constant capillary filling speed, we performed contact angle measurements, in which we found slow wetting kinetics of PNIPAm-g-PDMS surfaces at temperatures below the lower critical solution temperature (LCST) of PNIPAm and fast wetting kinetics above the LCST. We interpret this as the result of the diffusive hydration process of PNIPAm below the LCST and the absence of hydration on the hydrophobic PNIPAm thin layer above the LCST.
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Affiliation(s)
- Lanhui Li
- National Center for International Research on Green Optoelectronics & South China Academy of Advanced Optoelectronics, South China Normal University, Guangzhou 510006, China.
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Ning G, Wang H, Fu M, Liu J, Sun Y, Lu H, Fan X, Zhang Y, Wang H. Dual Signals Electrochemical Biosensor for Point‐of‐care Testing of Amino Acids Enantiomers. ELECTROANAL 2021. [DOI: 10.1002/elan.202100240] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Guyang Ning
- Key Laboratory of Analytical Science and Technology of Hebei Province College of Chemistry and Environmental Science Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education Hebei University 071002 Baoding P. R. China
| | - Haiyang Wang
- Key Laboratory of Analytical Science and Technology of Hebei Province College of Chemistry and Environmental Science Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education Hebei University 071002 Baoding P. R. China
| | - Mingxuan Fu
- Key Laboratory of Analytical Science and Technology of Hebei Province College of Chemistry and Environmental Science Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education Hebei University 071002 Baoding P. R. China
| | - Jiaxian Liu
- Key Laboratory of Analytical Science and Technology of Hebei Province College of Chemistry and Environmental Science Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education Hebei University 071002 Baoding P. R. China
| | - Yuena Sun
- Key Laboratory of Analytical Science and Technology of Hebei Province College of Chemistry and Environmental Science Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education Hebei University 071002 Baoding P. R. China
| | - Haijun Lu
- Key Laboratory of Analytical Science and Technology of Hebei Province College of Chemistry and Environmental Science Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education Hebei University 071002 Baoding P. R. China
| | - Xinyu Fan
- Key Laboratory of Analytical Science and Technology of Hebei Province College of Chemistry and Environmental Science Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education Hebei University 071002 Baoding P. R. China
| | - Yufan Zhang
- Key Laboratory of Analytical Science and Technology of Hebei Province College of Chemistry and Environmental Science Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education Hebei University 071002 Baoding P. R. China
| | - Huan Wang
- Key Laboratory of Analytical Science and Technology of Hebei Province College of Chemistry and Environmental Science Key Laboratory of Medicinal Chemistry and Molecular Diagnosis Ministry of Education Hebei University 071002 Baoding P. R. China
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Frutiger A, Tanno A, Hwu S, Tiefenauer RF, Vörös J, Nakatsuka N. Nonspecific Binding-Fundamental Concepts and Consequences for Biosensing Applications. Chem Rev 2021; 121:8095-8160. [PMID: 34105942 DOI: 10.1021/acs.chemrev.1c00044] [Citation(s) in RCA: 92] [Impact Index Per Article: 30.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Nature achieves differentiation of specific and nonspecific binding in molecular interactions through precise control of biomolecules in space and time. Artificial systems such as biosensors that rely on distinguishing specific molecular binding events in a sea of nonspecific interactions have struggled to overcome this issue. Despite the numerous technological advancements in biosensor technologies, nonspecific binding has remained a critical bottleneck due to the lack of a fundamental understanding of the phenomenon. To date, the identity, cause, and influence of nonspecific binding remain topics of debate within the scientific community. In this review, we discuss the evolution of the concept of nonspecific binding over the past five decades based upon the thermodynamic, intermolecular, and structural perspectives to provide classification frameworks for biomolecular interactions. Further, we introduce various theoretical models that predict the expected behavior of biosensors in physiologically relevant environments to calculate the theoretical detection limit and to optimize sensor performance. We conclude by discussing existing practical approaches to tackle the nonspecific binding challenge in vitro for biosensing platforms and how we can both address and harness nonspecific interactions for in vivo systems.
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Affiliation(s)
- Andreas Frutiger
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zürich, Zürich CH-8092, Switzerland
| | - Alexander Tanno
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zürich, Zürich CH-8092, Switzerland
| | - Stephanie Hwu
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zürich, Zürich CH-8092, Switzerland
| | - Raphael F Tiefenauer
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zürich, Zürich CH-8092, Switzerland
| | - János Vörös
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zürich, Zürich CH-8092, Switzerland
| | - Nako Nakatsuka
- Laboratory of Biosensors and Bioelectronics, Institute for Biomedical Engineering, ETH Zürich, Zürich CH-8092, Switzerland
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Amri F, Septiani NLW, Rezki M, Iqbal M, Yamauchi Y, Golberg D, Kaneti YV, Yuliarto B. Mesoporous TiO 2-based architectures as promising sensing materials towards next-generation biosensing applications. J Mater Chem B 2021; 9:1189-1207. [PMID: 33406200 DOI: 10.1039/d0tb02292f] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
In the past two decades, mesoporous TiO2 has emerged as a promising material for biosensing applications. In particular, mesoporous TiO2 materials with uniform, well-organized pores and high surface areas typically exhibit superior biosensing performance, which includes high sensitivity, broad linear response, low detection limit, good reproducibility, and high specificity. Therefore, the development of biosensors based on mesoporous TiO2 has significantly intensified in recent years. In this review, the expansion and advancement of mesoporous TiO2-based biosensors for glucose detection, hydrogen peroxide detection, alpha-fetoprotein detection, immobilization of enzymes, proteins, and bacteria, cholesterol detection, pancreatic cancer detection, detection of DNA damage, kanamycin detection, hypoxanthine detection, and dichlorvos detection are summarized. Finally, the future perspective and research outlook on the utilization of mesoporous TiO2-based biosensors for the practical diagnosis of diseases and detection of hazardous substances are also given.
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Affiliation(s)
- Fauzan Amri
- Department of Engineering Physics, Faculty of Industrial Technology, Institute of Technology Bandung, Ganesha 10, Bandung 40132, Indonesia.
| | - Ni Luh Wulan Septiani
- Department of Engineering Physics, Faculty of Industrial Technology, Institute of Technology Bandung, Ganesha 10, Bandung 40132, Indonesia.
| | - Muhammad Rezki
- Department of Engineering Physics, Faculty of Industrial Technology, Institute of Technology Bandung, Ganesha 10, Bandung 40132, Indonesia.
| | - Muhammad Iqbal
- Department of Engineering Physics, Faculty of Industrial Technology, Institute of Technology Bandung, Ganesha 10, Bandung 40132, Indonesia.
| | - Yusuke Yamauchi
- JST-ERATO Yamauchi Materials Space-Tectonics Project and International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Tsukuba, Ibaraki 305-0044, Japan and School of Chemical Engineering & Australian Institute for Bioengineering and Nanotechnology (AIBN), The University of Queensland, Brisbane, QLD 4072, Australia and JST-ERATO Yamauchi Materials Space-Tectonics Project, Kagami Memorial Research Institute for Science and Technology, Waseda University, 2-8-26 Nishi-Waseda, Shinjuku, Tokyo 169-0051, Japan
| | - Dmitri Golberg
- Centre for Materials Science and School of Chemistry and Physics Queensland University of Technology (QUT), Brisbane, QLD 4000, Australia and Nanotubes Group, International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Tsukuba, Ibaraki 305-0044, Japan.
| | - Yusuf Valentino Kaneti
- Department of Engineering Physics, Faculty of Industrial Technology, Institute of Technology Bandung, Ganesha 10, Bandung 40132, Indonesia. and JST-ERATO Yamauchi Materials Space-Tectonics Project and International Center for Materials Nanoarchitectonics (WPI-MANA), National Institute for Materials Science (NIMS), 1-1 Tsukuba, Ibaraki 305-0044, Japan
| | - Brian Yuliarto
- Department of Engineering Physics, Faculty of Industrial Technology, Institute of Technology Bandung, Ganesha 10, Bandung 40132, Indonesia. and Research Center for Nanosciences and Nanotechnology (RCNN), Institute of Technology Bandung, Bandung 40132, Indonesia
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Oevreeide IH, Zoellner A, Stokke BT. Characterization of Mixing Performance Induced by Double Curved Passive Mixing Structures in Microfluidic Channels. MICROMACHINES 2021; 12:mi12050556. [PMID: 34068289 PMCID: PMC8153322 DOI: 10.3390/mi12050556] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 05/11/2021] [Indexed: 12/11/2022]
Abstract
Functionalized sensor surfaces combined with microfluidic channels are becoming increasingly important in realizing efficient biosensing devices applicable to small sample volumes. Relaxing the limitations imposed by laminar flow of the microfluidic channels by passive mixing structures to enhance analyte mass transfer to the sensing area will further improve the performance of these devices. In this paper, we characterize the flow performance in a group of microfluidic flow channels with novel double curved passive mixing structures (DCMS) fabricated in the ceiling. The experimental strategy includes confocal imaging to monitor the stationary flow patterns downstream from the inlet where a fluorophore is included in one of the inlets in a Y-channel microfluidic device. Analyses of the fluorescence pattern projected both along the channel and transverse to the flow direction monitored details in the developing homogenization. The mixing index (MI) as a function of the channel length was found to be well accounted for by a double-exponential equilibration process, where the different parameters of the DCMS were found to affect the extent and length of the initial mixing component. The range of MI for a 1 cm channel length for the DCMS was 0.75–0.98, which is a range of MI comparable to micromixers with herringbone structures. Overall, this indicates that the DCMS is a high performing passive micromixer, but the sensitivity to geometric parameter values calls for the selection of certain values for the most efficient mixing.
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Affiliation(s)
- Ingrid H. Oevreeide
- Division of Biophysics and Medical Technology, Department of Physics, NTNU The Norwegian University of Science and Technology, NO-7491 Trondheim, Norway;
| | | | - Bjørn T. Stokke
- Division of Biophysics and Medical Technology, Department of Physics, NTNU The Norwegian University of Science and Technology, NO-7491 Trondheim, Norway;
- Correspondence:
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40
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Zhang Y, Zhou Y, Yang Y, Pappas D. Microfluidics for sepsis early diagnosis and prognosis: a review of recent methods. Analyst 2021; 146:2110-2125. [PMID: 33751011 DOI: 10.1039/d0an02374d] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Sepsis is a complex disorder of immune system response to infections that can be caused by a wide range of clinical contexts. Traditional methods for sepsis detection include molecular diagnosis, biomarkers either based on protein concentration or cell surface expression, and microbiological cultures. Development of point-of-care (POC) instruments, which can provide high accuracy and consume less time, is in unprecedented demand. Within the past few years, applications of microfluidic systems for sepsis detection have achieved excellent performance. In this review, we discuss the most recent microfluidic applications specifically in sepsis detection, and propose their advantages and disadvantages. We also present a comprehensive review of other traditional and current sepsis diagnosis methods to obtain a general understanding of the present conditions, which can hopefully direct the development of a new sepsis roadmap.
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Affiliation(s)
- Ye Zhang
- Department of Chemistry and Biochemistry, Texas Tech University, Lubbock, TX, USA.
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41
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Kim K, Kim H, Jo EJ, Jang H, Park J, Jung GY, Kim MG. Reactant/polymer hybrid films on p-n junction photodetectors for self-powered, non-invasive glucose biosensors. Biosens Bioelectron 2021; 175:112855. [PMID: 33279347 DOI: 10.1016/j.bios.2020.112855] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/23/2020] [Accepted: 11/23/2020] [Indexed: 12/14/2022]
Abstract
The portability of electronic-based biosensors is limited because of the use of batteries and/or solutions containing reactants such as enzymes for assay, which limits the utility of such biosensors in point-of-care (POC) testing. In this study, we report on the development of a self-powered biosensor composed of only portable components: a reactant-containing poly (ethylene glycol) (PEG) film for the colorimetric assay, and a self-powered n-InGaZnO/p-Si photodetector. The PEG film containing enzymes and color-developing agents was formed on a glass slide by spin coating. The self-powered biosensor was fabricated by placing the hybrid film on the p-n junction photodetector, and applied in non-invasive glucose detection (salivary glucose). Injection of the target-containing solution dissolved the PEG that led to the release of enzymes and color-developing agents, resulting in a colorimetric assay. The colorimetric assay could attenuate the light reaching the photodetector, thus facilitating target concentration verification by measuring the photocurrent. Our self-powered biosensor has two main advantages: (i) all components of the biosensor are portable and (ii) dilution of target concentration is avoided as the reagents are in the PEG film. Therefore, the self-powered biosensor, without solution-phase components, could be highly beneficial for creating portable, sensitive biosensors for POC testing.
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Affiliation(s)
- Kihyeun Kim
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Hyeonghun Kim
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Eun-Jung Jo
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Hyungjun Jang
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Jiyoon Park
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Gun Young Jung
- School of Materials Science and Engineering, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea
| | - Min-Gon Kim
- Department of Chemistry, Gwangju Institute of Science and Technology (GIST), Gwangju 61005, Republic of Korea.
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Nan Y, Gu Y, Liu Z, Zhou Q, Zhao W, Xu W. Versatile quantitative biopsy: an approach for cost-effective detection of hydrogen peroxide in tissue specimens. NEW J CHEM 2021. [DOI: 10.1039/d0nj05569g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In the presence of H2O2, the amylose released by the micelles is converted into glucose by glucoamylase and detected by a PGM.
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Affiliation(s)
- Yanxia Nan
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- China
| | - Yu Gu
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- China
| | - Zhen Liu
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- China
| | - Qiulan Zhou
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- China
| | - Wenjie Zhao
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot
- China
| | - Weijian Xu
- State Key Laboratory of Chemo/Biosensing and Chemometrics
- College of Chemistry and Chemical Engineering
- Hunan University
- Changsha
- China
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43
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Recent advances in sensitivity enhancement for lateral flow assay. Mikrochim Acta 2021; 188:379. [PMID: 34647157 PMCID: PMC8513549 DOI: 10.1007/s00604-021-05037-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2021] [Accepted: 09/25/2021] [Indexed: 12/04/2022]
Abstract
Conventional lateral flow assay (LFA) is typically performed by observing the color changes in the test lines by naked eyes, which achieves considerable commercial success and has a significant impact on the fields of food safety, environment monitoring, disease diagnosis, and other applications. However, this qualitative detection method is not very suitable for low levels of disease biomarkers' detection. Although many nanomaterials are used as new labels for LFA, additional readers limit their application to some extent. Fortunately, a lot of work has been done for improving the sensitivity of LFA. In this review, currently reported LFA sensitivity enhancement methods with an objective evaluation are summarized, such as sample pretreatment, the change of flow rate, and label evolution, and future development direction and challenges of LFAs are discussed.
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44
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Park S, Buhnik-Rosenblau K, Abu-Rjal R, Kashi Y, Yossifon G. Periodic concentration-polarization-based formation of a biomolecule preconcentrate for enhanced biosensing. NANOSCALE 2020; 12:23586-23595. [PMID: 33210690 DOI: 10.1039/d0nr05930g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Ionic concentration-polarization (CP)-based biomolecule preconcentration is an established method for enhancing the detection sensitivity of target biomolecules. However, the formed preconcentrated biomolecule plug rapidly sweeps over the surface-immobilized antibodies, resulting in a short-term overlap between the capture agent and the analyte, and subsequently suboptimal binding. To overcome this, we designed a setup allowing for the periodic formation of a preconcentrated biomolecule plug by activating the CP for predetermined on/off intervals. This work demonstrated the feasibility of cyclic CP actuation and optimized the sweeping conditions required to obtain the maximum retention time of a preconcentrated plug over a desired sensing region and enhanced detection sensitivity. The ability of this method to efficiently preconcentrate different analytes and to successfully increase immunoassay sensitivity underscore its potential in immunoassays serving the clinical and food testing industries.
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Affiliation(s)
- Sinwook Park
- Faculty of Mechanical Engineering, Micro- and Nanofluidics Laboratory, Technion - Israel Institute of Technology, Technion City 3200000, Israel.
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45
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Leïchlé T, Nicu L, Alava T. MEMS Biosensors and COVID-19: Missed Opportunity. ACS Sens 2020; 5:3297-3305. [PMID: 32975110 PMCID: PMC7574628 DOI: 10.1021/acssensors.0c01463] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 09/25/2020] [Indexed: 12/18/2022]
Abstract
The acceleration of climatic, digital, and health challenges is testing scientific communities. Scientists must provide concrete answers in terms of technological solutions to a society which expects immediate returns on the public investment. We are living such a scenario on a global scale with the pandemic crisis of COVID-19 where expectations for virological and serological diagnosis tests have been and are still gigantic. In this Perspective, we focus on a class of biosensors (mechanical biosensors) which are ubiquitous in the literature in the form of high performance, sensitive, selective, low-cost biological analysis systems. The spectacular development announced in their performance in the last 20 years suggested the possibility of finding these mechanical sensors on the front line of COVID-19, but the reality was quite different. We analyze the cause of this rendez-vous manqué, the operational criteria that kept these biosensors away from the field, and we indicate the pitfalls to avoid in the future in the development of all types of biosensors of which the ultimate goal is to be immediately operational for the intended application.
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Affiliation(s)
- Thierry Leïchlé
- GeorgiaTech-CNRS Joint
International Laboratory, School of Electrical and Computer
Engineering, Atlanta, Georgia 30332,
United States
- LAAS-CNRS,
Université de Toulouse, CNRS, Toulouse,
31400, France
| | - Liviu Nicu
- LAAS-CNRS,
Université de Toulouse, CNRS, Toulouse,
31400, France
| | - Thomas Alava
- Université Grenoble
Alpes, CEA, LETI, Grenoble 38054,
France
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46
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Ölçer Z. Design of an Automated Electrochemical Biosensor Modified with Phenylboronic Acid to Study Glycoprotein Immobilization. ChemistrySelect 2020. [DOI: 10.1002/slct.202002628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Zehra Ölçer
- Department of Chemistry Gebze Technical University 41400 Gebze-Kocaeli Turkey
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47
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Abstract
Microscopes play an important role in the diagnosis of microorganisms and pathological lesions in ophthalmology guiding us to the appropriate management. The current trend of collecting samples and examination is mostly laboratory-based which consume time, labor, and are costly. Smartphones are being used in different fields of ophthalmology with great ubiquity. The good quality photographs obtained by smartphones along with the ease of mobility has made it possible to warrant its use in the microscopic world. This article describes a simple novel technique of preparing an intraocular lens system which can be used in conjunction with a smartphone to detect microorganisms and pathological lesions.
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Affiliation(s)
- Prithvi Chandrakanth
- General Ophthalmology, Dr. Chandrakanth Malabar Nethralaya, Kozhikode, Kerala, India
| | - K S Chandrakanth
- General Ophthalmology, Dr. Chandrakanth Malabar Nethralaya, Kozhikode, Kerala, India
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48
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Fathi F, Rashidi MR, Pakchin PS, Ahmadi-Kandjani S, Nikniazi A. Photonic crystal based biosensors: Emerging inverse opals for biomarker detection. Talanta 2020; 221:121615. [PMID: 33076145 PMCID: PMC7466948 DOI: 10.1016/j.talanta.2020.121615] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2020] [Revised: 08/02/2020] [Accepted: 08/28/2020] [Indexed: 12/19/2022]
Abstract
Photonic crystal (PC)-based inverse opal (IO) arrays are one of the substrates for label-free sensing mechanism. IO-based materials with their advanced and ordered three-dimensional microporous structures have recently found attractive optical sensor and biological applications in the detection of biomolecules like proteins, DNA, viruses, etc. The unique optical and structural properties of IO materials can simplify the improvements in non-destructive optical study capabilities for point of care testing (POCT) used within a wide variety of biosensor research. In this review, which is an interdisciplinary investigation among nanotechnology, biology, chemistry and medical sciences, the recent fabrication methodologies and the main challenges regarding the application of (inverse opals) IOs in terms of their bio-sensing capability are summarized. The recent main challenges regarding the application of inverse opals (IOs) in the detection of biomolecules are reviewed. Sensing mechanisms of biomolecules including glucose, proteins, DNA, viruses were summarized. IO materials with their ordered 3D microporous structures have found attractive optical biosensor applications.
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Affiliation(s)
- Farzaneh Fathi
- Pharmaceutical Sciences Research Center, Ardabil University of Medical Sciences, Ardabil, Iran.
| | | | - Parvin Samadi Pakchin
- Research Center for Pharmaceutical Nanotechnology, Biomedicine Institute, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sohrab Ahmadi-Kandjani
- Photonics Group, Research Institute for Applied Physics and Astronomy, University of Tabriz, Tabriz, Iran
| | - Arash Nikniazi
- Photonics Group, Research Institute for Applied Physics and Astronomy, University of Tabriz, Tabriz, Iran; Department of Physics, Engineering Physics & Astronomy, Queen's University, Kingston, Ontario, Canada
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49
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Zhuang J, Yin J, Lv S, Wang B, Mu Y. Advanced "lab-on-a-chip" to detect viruses - Current challenges and future perspectives. Biosens Bioelectron 2020; 163:112291. [PMID: 32421630 PMCID: PMC7215165 DOI: 10.1016/j.bios.2020.112291] [Citation(s) in RCA: 82] [Impact Index Per Article: 20.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2020] [Revised: 05/02/2020] [Accepted: 05/10/2020] [Indexed: 12/28/2022]
Abstract
Massive viral outbreaks draw attention to viruses that have not been thoroughly studied or understood. In recent decades, microfluidic chips, known as "lab-on-a-chip", appears as a promising tool for the detection of viruses. Here, we review the development of microfluidic chips that could be used in response to viral detection, specifically for viruses involved in more recent outbreaks. The advantages as well as the disadvantages of microfluidic systems are discussed and analyzed. We also propose ideas for future development of these microfluidic chips and we expect this advanced technology to be used in the future for viral outbreaks.
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Affiliation(s)
- Jianjian Zhuang
- College of Life Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Juxin Yin
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, Zhejiang Province, 310058, China; Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, National Ministry of Education), The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China; Institute of Translational Medicine, Zhejiang University, Hangzhou, 310029, China
| | - Shaowu Lv
- Key Laboratory for Molecular Enzymology and Engineering of the Ministry of Education, College of Life Science, Jilin University, Changchun, 130000, China
| | - Ben Wang
- Cancer Institute (Key Laboratory of Cancer Prevention and Intervention, National Ministry of Education), The Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, 310009, China; Institute of Translational Medicine, Zhejiang University, Hangzhou, 310029, China
| | - Ying Mu
- Research Centre for Analytical Instrumentation, Institute of Cyber-Systems and Control, State Key Laboratory of Industrial Control Technology, Zhejiang University, Hangzhou, Zhejiang Province, 310058, China; College of Life Sciences, Zhejiang University, Hangzhou, 310058, Zhejiang, China.
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50
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Liu D, Zhang Y, Zhu M, Yu Z, Ma X, Song Y, Zhou S, Yang C. Microfluidic-Integrated Multicolor Immunosensor for Visual Detection of HIV-1 p24 Antigen with the Naked Eye. Anal Chem 2020; 92:11826-11833. [DOI: 10.1021/acs.analchem.0c02091] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Dan Liu
- School of Biomedical Sciences, College of Chemical Engineering, Huaqiao University, Xiamen, Fujian 362000, China
| | - Yuqian Zhang
- School of Biomedical Sciences, College of Chemical Engineering, Huaqiao University, Xiamen, Fujian 362000, China
| | - Mingyang Zhu
- School of Biomedical Sciences, College of Chemical Engineering, Huaqiao University, Xiamen, Fujian 362000, China
| | - Zongzhong Yu
- School of Biomedical Sciences, College of Chemical Engineering, Huaqiao University, Xiamen, Fujian 362000, China
| | - Xiaoming Ma
- School of Chemistry and Chemical Engineering, Gannan Normal University, Ganzhou, Jiangxi 341000, China
| | - Yanling Song
- The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, the Key Laboratory of Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 362000, China
| | - Shufeng Zhou
- School of Biomedical Sciences, College of Chemical Engineering, Huaqiao University, Xiamen, Fujian 362000, China
| | - Chaoyong Yang
- The MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, the Key Laboratory of Chemical Biology of Fujian Province, State Key Laboratory of Physical Chemistry of Solid Surfaces, Collaborative Innovation Center of Chemistry for Energy Materials, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen, Fujian 362000, China
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