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Yu D, Liu L, Yu J, Si Y, Ding B. Meta-Aerogel Electric Trap Enables Instant and Continuable Pathogen Killing in Face Masks. ACS NANO 2023; 17:20601-20610. [PMID: 37791722 DOI: 10.1021/acsnano.3c07538] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/05/2023]
Abstract
The tremendous menace of the COVID-19 pandemic has underscored the urgency for antipathogen masks to stop the transmission of airborne infectious diseases. Most prevailing antipathogen masks manifest a slower sterilization rate that lags behind the pathogen momentum traversing the masks, thereby engendering an elevated susceptibility to infection. Here we tailor nanofibrous meta-aerogel electric traps, 3D-assembled from self-knotted carbon nanotube networks in an all rigid nanofibrous skeleton. This superior configuration revolves around the creation of numerous "dielectrophoretic-aerodynamic grippers", which are capable of directional manipulation of microbes toward the region of the lethal intensive electric field. Based on this, we present a disinfection unit comprising a pair of aerogel electrodes that demonstrate a rapid killing rate (>99.99% biocidal efficacy within 0.016 s) and long-term durability (12 h of continuous operation). Additionally, a microbutton lithium cell is employed as a power supply to fabricate an antipathogen face mask with this disinfection unit, which exhibits superior pathogen inactivation efficacy compared to commercial masks. This scalable biocidal protective equipment holds great potential for use in emergency medical services.
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Affiliation(s)
- Dingming Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai 201620, People's Republic of China
| | - Lifang Liu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai 201620, People's Republic of China
| | - Jianyong Yu
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai 201620, People's Republic of China
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, People's Republic of China
| | - Yang Si
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai 201620, People's Republic of China
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, People's Republic of China
| | - Bin Ding
- State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Textiles, Donghua University, Shanghai 201620, People's Republic of China
- Innovation Center for Textile Science and Technology, Donghua University, Shanghai 200051, People's Republic of China
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2
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Mantri D, Wymenga L, van Turnhout J, van Zeijl H, Zhang G. Manipulation, Sampling and Inactivation of the SARS-CoV-2 Virus Using Nonuniform Electric Fields on Micro-Fabricated Platforms: A Review. MICROMACHINES 2023; 14:345. [PMID: 36838044 PMCID: PMC9967285 DOI: 10.3390/mi14020345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/21/2023] [Accepted: 01/21/2023] [Indexed: 06/18/2023]
Abstract
Micro-devices that use electric fields to trap, analyze and inactivate micro-organisms vary in concept, design and application. The application of electric fields to manipulate and inactivate bacteria and single-celled organisms has been described extensively in the literature. By contrast, the effect of such fields on viruses is not well understood. This review explores the possibility of using existing methods for manipulating and inactivating larger viruses and bacteria, for smaller viruses, such as SARS-CoV-2. It also provides an overview of the theoretical background. The findings may be used to implement new ideas and frame experimental parameters that optimize the manipulation, sampling and inactivation of SARS-CoV-2 electrically.
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Affiliation(s)
- Devashish Mantri
- Department Biomedical Engineering, Delft University of Technology, 2628 CD Delft, The Netherlands
| | - Luutzen Wymenga
- Department Microelectronics, Delft University of Technology, 2628 CD Delft, The Netherlands
| | - Jan van Turnhout
- Department Material Science Engineering, Delft University of Technology, 2628 CD Delft, The Netherlands
| | - Henk van Zeijl
- Department Microelectronics, Delft University of Technology, 2628 CD Delft, The Netherlands
| | - Guoqi Zhang
- Department Microelectronics, Delft University of Technology, 2628 CD Delft, The Netherlands
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3
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Abstract
Electroporation (EP) is a commonly used strategy to increase cell permeability for intracellular cargo delivery or irreversible cell membrane disruption using electric fields. In recent years, EP performance has been improved by shrinking electrodes and device structures to the microscale. Integration with microfluidics has led to the design of devices performing static EP, where cells are fixed in a defined region, or continuous EP, where cells constantly pass through the device. Each device type performs superior to conventional, macroscale EP devices while providing additional advantages in precision manipulation (static EP) and increased throughput (continuous EP). Microscale EP is gentle on cells and has enabled more sensitive assaying of cells with novel applications. In this Review, we present the physical principles of microscale EP devices and examine design trends in recent years. In addition, we discuss the use of reversible and irreversible EP in the development of therapeutics and analysis of intracellular contents, among other noteworthy applications. This Review aims to inform and encourage scientists and engineers to expand the use of efficient and versatile microscale EP technologies.
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Affiliation(s)
- Sung-Eun Choi
- Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Harrison Khoo
- Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
| | - Soojung Claire Hur
- Department of Mechanical Engineering, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
- Institute for NanoBioTechnology, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
- Department of Oncology, Johns Hopkins University, 3400 North Charles Street, Baltimore, Maryland 21218, United States
- Sidney Kimmel Comprehensive Cancer Center, Johns Hopkins University, 401 North Broadway, Baltimore, Maryland 21231, United States
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Li B, Yang H, Song Z, Xu H, Wang J, Wang Z. Implementation of flexible virtual microchannels based on optically induced dielectrophoresis. NANOTECHNOLOGY 2022; 33:295102. [PMID: 35086078 DOI: 10.1088/1361-6528/ac4f80] [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: 10/28/2021] [Accepted: 01/27/2022] [Indexed: 06/14/2023]
Abstract
Micro-nano particle manipulation methods in liquid environments have been widely used in the fields such as medicine, biology and material science. Nevertheless, the methods usually rely on pre-prepared physical microfluidic channels. In this work, virtual electrodes based on the optically induced dielectrophoresis (ODEP) method were used as virtual microchannels instead of traditional physical microfluidic channels. Virtual microchannels with different shapes were implemented by the designs of projected light patterns, which made the virtual microchannels have great flexibility and controllability. The theory of ODEP was verified by simulation and analysis of electric field distributions. The relationship between the manipulation force and the alternating current (AC) voltage or the AC frequency exerted on the cells was assessed. The experimental results indicated that the manipulation force was increased with the increase of the AC voltage, and it was reduced with the increase of the AC frequency. Moreover, different virtual microchannels were designed to carry out the transportation, aggregation and sorting of yeast cells and rat basophilic leukemia cells (RBL-2H3 cells) and the survival rate of the cells was evaluated. This work shows that the virtual microchannels can be flexibly realized by ODEP in liquid environments.
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Affiliation(s)
- Bo Li
- International Research Centre for Nano Handling and Manufacturing of China, Changchun, University of Science and Technology, Changchun 130022, People's Republic of China
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Huanzhou Yang
- International Research Centre for Nano Handling and Manufacturing of China, Changchun, University of Science and Technology, Changchun 130022, People's Republic of China
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Zhengxun Song
- International Research Centre for Nano Handling and Manufacturing of China, Changchun, University of Science and Technology, Changchun 130022, People's Republic of China
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Hongmei Xu
- International Research Centre for Nano Handling and Manufacturing of China, Changchun, University of Science and Technology, Changchun 130022, People's Republic of China
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Jiajia Wang
- International Research Centre for Nano Handling and Manufacturing of China, Changchun, University of Science and Technology, Changchun 130022, People's Republic of China
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Zuobin Wang
- International Research Centre for Nano Handling and Manufacturing of China, Changchun, University of Science and Technology, Changchun 130022, People's Republic of China
- Ministry of Education Key Laboratory for Cross-Scale Micro and Nano Manufacturing, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
- JR3CN & IRAC, University of Bedfordshire, Luton LU1 3JU, United Kingdom
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5
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Vaghef-Koodehi A, Lapizco-Encinas BH. Microscale electrokinetic-based analysis of intact cells and viruses. Electrophoresis 2021; 43:263-287. [PMID: 34796523 DOI: 10.1002/elps.202100254] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 11/08/2021] [Accepted: 11/11/2021] [Indexed: 12/11/2022]
Abstract
Miniaturized electrokinetic methods have proven to be robust platforms for the analysis and assessment of intact microorganisms, offering short response times and higher integration than their bench-scale counterparts. The present review article discusses three types of electrokinetic-based methodologies: electromigration or motion-based techniques, electrode-based electrokinetics, and insulator-based electrokinetics. The fundamentals of each type of methodology are discussed and relevant examples from recent reports are examined, to provide the reader with an overview of the state-of-the-art on the latest advancements on the analysis of intact cells and viruses with microscale electrokinetic techniques. The concluding remarks discuss the potential applications and future directions.
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Affiliation(s)
- Alaleh Vaghef-Koodehi
- Microscale Bioseparations Laboratory and Biomedical Engineering Department, Rochester Institute of Technology, Rochester, NY, USA
| | - Blanca H Lapizco-Encinas
- Microscale Bioseparations Laboratory and Biomedical Engineering Department, Rochester Institute of Technology, Rochester, NY, USA
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Lapizco-Encinas BH. The latest advances on nonlinear insulator-based electrokinetic microsystems under direct current and low-frequency alternating current fields: a review. Anal Bioanal Chem 2021; 414:885-905. [PMID: 34664103 DOI: 10.1007/s00216-021-03687-9] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 09/17/2021] [Accepted: 09/21/2021] [Indexed: 12/11/2022]
Abstract
This review article presents an overview of the evolution of the field of insulator-based dielectrophoresis (iDEP); in particular, it focuses on insulator-based electrokinetic (iEK) systems stimulated with direct current and low-frequency(< 1 kHz) AC electric fields. The article covers the surge of iDEP as a research field where many different device designs were developed, from microchannels with arrays of insulating posts to devices with curved walls and nano- and micropipettes. All of these systems allowed for the manipulation and separation of a wide array of particles, ranging from macromolecules to microorganisms, including clinical and biomedical applications. Recent experimental reports, supported by important theoretical studies in the field of physics and colloids, brought attention to the effects of electrophoresis of the second kind in these systems. These recent findings suggest that DEP is not the main force behind particle trapping, as it was believed for the last two decades. This new research suggests that particle trapping, under DC and low-frequency AC potentials, mainly results from a balance between electroosmotic and electrophoretic effects (linear and nonlinear); although DEP is present in these systems, it is not a dominant force. Considering these recent studies, it is proposed to rename this field from DC-iDEP to DC-iEK (and low-frequency AC-iDEP to low-frequency AC-iEK). Whereas much research is still needed, this is an exciting time in the field of microscale EK systems, as these new findings seem to explain the challenges with modeling particle migration and trapping in iEK devices, and provide perhaps a better understanding of the mechanisms behind particle trapping.
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Affiliation(s)
- Blanca H Lapizco-Encinas
- Microscale Bioseparations Laboratory and Biomedical Engineering Department, Rochester Institute of Technology, Institute Hall (Bldg. 73), Room 3103, 160 Lomb Memorial Drive, Rochester, NY, 14623-5604, USA.
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7
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Maidin NNM, Buyong MR, Rahim RA, Mohamed MA. Dielectrophoresis applications in biomedical field and future perspectives in biomedical technology. Electrophoresis 2021; 42:2033-2059. [PMID: 34346062 DOI: 10.1002/elps.202100043] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2020] [Revised: 07/25/2021] [Accepted: 07/27/2021] [Indexed: 11/09/2022]
Abstract
Dielectrophoresis (DEP) is a technique to manipulate trajectories of polarisable particles in non-uniform electric fields by utilising unique dielectric properties. The manipulation of a cell using DEP has been demonstrated in various modes, thereby indicating potential applications in the biomedical field. In this review, recent DEP applications in the biomedical field are discussed. This review is intended to highlight research work that shows significant approach related to dielectrophoresis application in biomedical field reported between 2016 and 2020. Firstly, single-shell model and multiple-shell model of cells are introduced. Current device structures and recently introduced electrode patterns for DEP applications are discussed. Secondly, the biomedical uses of DEP in liquid biopsies, stem cell therapies, and diagnosis of infectious diseases due to bacteria and viruses are presented. Finally, the challenges in DEP research are discussed, and the reported solutions are explained. DEP's potential research directions are mentioned. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Nur Nasyifa Mohd Maidin
- Institute of Microengineering and Nanoelectronic (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, 43600, Malaysia
| | - Muhamad Ramdzan Buyong
- Institute of Microengineering and Nanoelectronic (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, 43600, Malaysia
| | - Ruslinda A Rahim
- Institute of Nano Electronic Engineering (INEE), Universiti Malaysia Perlis (UniMAP), Kangar, Perlis, 01000, Malaysia.,National Nanotechnology Centre (NNC), Ministry of Science Technology and Innovation (MOSTI), Federal Government Administrative Centre, Putrajaya, 62662, Malaysia
| | - Mohd Ambri Mohamed
- Institute of Microengineering and Nanoelectronic (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, 43600, Malaysia
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Kwizera EA, Sun M, White AM, Li J, He X. Methods of Generating Dielectrophoretic Force for Microfluidic Manipulation of Bioparticles. ACS Biomater Sci Eng 2021; 7:2043-2063. [PMID: 33871975 PMCID: PMC8205986 DOI: 10.1021/acsbiomaterials.1c00083] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Manipulation of microscale bioparticles including living cells is of great significance to the broad bioengineering and biotechnology fields. Dielectrophoresis (DEP), which is defined as the interactions between dielectric particles and the electric field, is one of the most widely used techniques for the manipulation of bioparticles including cell separation, sorting, and trapping. Bioparticles experience a DEP force if they have a different polarization from the surrounding media in an electric field that is nonuniform in terms of the intensity and/or phase of the electric field. A comprehensive literature survey shows that the DEP-based microfluidic devices for manipulating bioparticles can be categorized according to the methods of creating the nonuniformity via patterned microchannels, electrodes, and media to generate the DEP force. These methods together with the theory of DEP force generation are described in this review, to provide a summary of the methods and materials that have been used to manipulate various bioparticles for various specific biological outcomes. Further developments of DEP-based technologies include identifying materials that better integrate with electrodes than current popular materials (silicone/glass) and improving the performance of DEP manipulation of bioparticles by combining it with other methods of handling bioparticles. Collectively, DEP-based microfluidic manipulation of bioparticles holds great potential for various biomedical applications.
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Affiliation(s)
- Elyahb A. Kwizera
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Mingrui Sun
- Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio 43210, USA
| | - Alisa M. White
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
| | - Jianrong Li
- Department of Veterinary Biosciences, The Ohio State University, Columbus, OH 43210, USA
| | - Xiaoming He
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA
- Department of Biomedical Engineering, The Ohio State University, Columbus, Ohio 43210, USA
- Robert E. Fischell Institute for Biomedical Devices, University of Maryland, College Park, MD 20742, USA
- Marlene and Stewart Greenebaum Comprehensive Cancer Center, University of Maryland, Baltimore, MD 21201, USA
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9
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Hakim KS, Lapizco-Encinas BH. Analysis of microorganisms with nonlinear electrokinetic microsystems. Electrophoresis 2021; 42:588-604. [PMID: 33151541 DOI: 10.1002/elps.202000233] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 10/04/2020] [Accepted: 11/02/2020] [Indexed: 02/06/2023]
Abstract
Nonlinear electrokinetics (EK), specifically electrophoresis of the second kind, dielectrophoresis (DEP) and electrorotation (EROT), have gained significant interest recently for their flexibility and labeless discriminant manner of operation. The current applications of these technologies are a clear advancement from what they were when first discovered, but also still show strong signs of future growth. The present review article presents a discussion of the current uses of microscale nonlinear EK technologies as analytical, sensing, and purification tools for microorganisms. The discussion is focused on some of the latest discoveries with various nonlinear EK microfluidic techniques, such as DEP particle trapping and EROT for particle assessments, for the analysis of microorganisms ranging from viruses to parasites. Along the way, special focus was given to key research articles from within the past two years to provide the most up-to-date knowledge on the current state-of-the-art within the field of microscale EK, and from there, an outlook on where the future of the field is headed is also included.
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Affiliation(s)
- Kel S Hakim
- Microscale Bioseparations Laboratory and Biomedical Engineering Department, Rochester Institute of Technology, Rochester, NY, USA
| | - Blanca H Lapizco-Encinas
- Microscale Bioseparations Laboratory and Biomedical Engineering Department, Rochester Institute of Technology, Rochester, NY, USA
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10
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Analysis of Bacteriophages with Insulator-Based Dielectrophoresis. MICROMACHINES 2019; 10:mi10070450. [PMID: 31277396 PMCID: PMC6680707 DOI: 10.3390/mi10070450] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 06/28/2019] [Accepted: 06/30/2019] [Indexed: 02/07/2023]
Abstract
Bacterial viruses or phages have great potential in the medical and agricultural fields as alternatives to antibiotics to control nuisance populations of pathogenic bacteria. However, current analysis and purification protocols for phages tend to be resource intensive and have numbers of limitations, such as impacting phage viability. The present study explores the potential of employing the electrokinetic technique of insulator-based dielectrophoresis (iDEP) for virus assessment, separation and enrichment. In particular, the application of the parameter "trapping value" (Tv) is explored as a standardized iDEP signature for each phage species. The present study includes mathematical modeling with COMSOL Multiphysics and extensive experimentation. Three related, but genetically and structurally distinct, phages were studied: Salmonella enterica phage SPN3US, Pseudomonas aeruginosa phage ϕKZ and P. chlororaphis phage 201ϕ2-1. This is the first iDEP study on bacteriophages with large and complex virions and the results illustrate their virions can be successfully enriched with iDEP systems and still retain infectivity. In addition, our results indicate that characterization of the negative dielectrophoretic response of a phage in terms of Tv could be used for predicting individual virus behavior in iDEP systems. The findings reported here can contribute to the establishment of protocols to analyze, purify and/or enrich samples of known and unknown phages.
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Song Y, Fan H, Anderson MJ, Wright JG, Hua DH, Koehne J, Meyyappan M, Li J. Electrochemical Activity Assay for Protease Analysis Using Carbon Nanofiber Nanoelectrode Arrays. Anal Chem 2019; 91:3971-3979. [PMID: 30726059 PMCID: PMC6501207 DOI: 10.1021/acs.analchem.8b05189] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
There is a strong demand for bioanalytical techniques to rapidly detect protease activities with high sensitivity and high specificity. This study reports an activity-based electrochemical method toward this goal. Nanoelectrode arrays (NEAs) fabricated with embedded vertically aligned carbon nanofibers (VACNFs) are functionalized with specific peptide substrates containing a ferrocene (Fc) tag. The kinetic proteolysis curves are measured with continuously repeated ac voltammetry, from which the catalytic activity is derived as the inverse of the exponential decay time constant based on a heterogeneous Michaelis-Menten model. Comparison of three peptide substrates with different lengths reveals that the hexapeptide H2N-(CH2)4-CO-Pro-Leu-Arg-Phe-Gly-Ala-NH-CH2-Fc is the optimal probe for cathepsin B. The activity strongly depends on temperature and is the highest around the body temperature. With the optimized peptide substrate and measuring conditions, the limit of detection of cathepsin B activity and concentration can reach 2.49 × 10-4 s-1 and 0.32 nM, respectively. The peptide substrates show high specificity to the cognate proteases, with negligible cross-reactions among three cancer-related proteases cathepsin B, ADAM10, and ADAM17. This electrochemical method can be developed into multiplex chips for rapid profiling of protease activities in cancer diagnosis and treatment monitoring.
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Affiliation(s)
- Yang Song
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Huafang Fan
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Morgan J. Anderson
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Jestin Gage Wright
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Duy H. Hua
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
| | - Jessica Koehne
- NASA Ames Research Center, Moffett Field, California 94035, United States
| | - M. Meyyappan
- NASA Ames Research Center, Moffett Field, California 94035, United States
| | - Jun Li
- Department of Chemistry, Kansas State University, Manhattan, Kansas 66506, United States
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Affiliation(s)
- Daihyun Kim
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
- Center for Applied Structural Discovery, The Biodesign Institute, Arizona State University, Tempe, Arizona 85287, United States
| | - Mukul Sonker
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
- Center for Applied Structural Discovery, The Biodesign Institute, Arizona State University, Tempe, Arizona 85287, United States
| | - Alexandra Ros
- School of Molecular Sciences, Arizona State University, Tempe, Arizona 85287, United States
- Center for Applied Structural Discovery, The Biodesign Institute, Arizona State University, Tempe, Arizona 85287, United States
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13
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Yao J, Zhu G, Zhao T, Takei M. Microfluidic device embedding electrodes for dielectrophoretic manipulation of cells-A review. Electrophoresis 2018; 40:1166-1177. [PMID: 30378130 DOI: 10.1002/elps.201800440] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2018] [Revised: 10/16/2018] [Accepted: 10/20/2018] [Indexed: 12/14/2022]
Abstract
Microfluidic device embedding electrodes realizes cell manipulation with the help of dielectrophoresis. Cell manipulation is an important technology for cell sorting and cell population purification. Till now, the theory of dielectrophoresis has been greatly developed. Microfluidic devices with various arrangements of electrodes have been reported from the beginning of the single non-uniform electric field to the later multiple physical fields. This paper reviews the research status of microfluidic device embedding electrodes for cell manipulation based on dielectrophoresis. Firstly, the working principle of dielectrophoresis is explained. Next, cell manipulation approaches based on dielectrophoresis are introduced. Then, different types of electrode arrangements in the microfluidic device for cell manipulation are discussed, including planar, multilayered and microarray dot electrodes. Finally, the future development trend of the dielectrophoresis with the help of microfluidic devices is prospected. With the rapid development of microfluidic technology, in the near future, high precision, high throughput, high efficiency, multifunctional, portable, economical and practical microfluidic dielectrophoresis will be widely used in the fields of biology, medicine, agriculture and so on.
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Affiliation(s)
- Jiafeng Yao
- College of Mechanical and Electrical Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Guiping Zhu
- College of Astronautics, Nanjing University of Aeronautics and Astronautics, Nanjing, 210016, P. R. China
| | - Tong Zhao
- Faculty of Mechanical and Precision Instrument Engineering, Xi`an University of Technology, Xi'an, 710048, P. R. China
| | - Masahiro Takei
- Department of Mechanical Engineering, Chiba University, Chiba, 263-0022, Japan
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14
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Kinio S, Mills JK. Localized Electroporation With Dielectrophoretic Field Flow Fractionation: Toward Removal of Circulating Tumour Cells From Human Blood. IEEE Trans Nanobioscience 2017; 16:802-809. [PMID: 29053456 DOI: 10.1109/tnb.2017.2764380] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
This paper presents the design and experimental performance of a microelectrode-based device to selectively lyse cells in a flow in a microfluidic channel. Localized cell lysis is achieved by utilizing "irreversible electroporation," in which cells are exposed to high magnitude electric pulses. Localized cell lysis in a flow has research applications and may allow for the removal of harmful cells, such as circulating tumor cells from blood. Due to the dependence of this technique on the magnitude of the applied electric field, lethal electric field regions can be localized in the channel by the calibration of the applied voltage. Dielectrophoresis field flow fractionation is used to levitate target cancer cells in the lethal region of the device microchannel. Experiments are performed to demonstrate the localized lysis of MCF7 cancer cells in a mixture of blood cells. Due to their larger size, these circulating tumor cell analogues levitate to a greater height in the channel than erythrocytes. MCF7 lysis is observed to increase from 4.6% in control experiments to 57.3% in active experiments. Leukocyte viability was unaffected in active experiments. These results demonstrate the feasibility of localizing cell lysis in a microfluidic flow environment.
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