1
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Hu S, Ji J, Chen X, Tong R. Dielectrophoresis: Measurement technologies and auxiliary sensing applications. Electrophoresis 2024; 45:1574-1596. [PMID: 38738705 DOI: 10.1002/elps.202300299] [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: 12/21/2023] [Revised: 04/17/2024] [Accepted: 04/24/2024] [Indexed: 05/14/2024]
Abstract
Dielectrophoresis (DEP), which arises from the interaction between dielectric particles and an aqueous solution in a nonuniform electric field, contributes to the manipulation of nano and microparticles in many fields, including colloid physics, analytical chemistry, molecular biology, clinical medicine, and pharmaceutics. The measurement of the DEP force could provide a more complete solution for verifying current classical DEP theories. This review reports various imaging, fluidic, optical, and mechanical approaches for measuring the DEP forces at different amplitudes and frequencies. The integration of DEP technology into sensors enables fast response, high sensitivity, precise discrimination, and label-free detection of proteins, bacteria, colloidal particles, and cells. Therefore, this review provides an in-depth overview of DEP-based fabrication and measurements. Depending on the measurement requirements, DEP manipulation can be classified into assistance and integration approaches to improve sensor performance. To this end, an overview is dedicated to developing the concept of trapping-on-sensing, improving its structure and performance, and realizing fully DEP-assisted lab-on-a-chip systems.
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Affiliation(s)
- Sheng Hu
- College of Information Science and Engineering, Northeastern University, Shenyang, P. R. China
- Hebei Key Laboratory of Micro-Nano Precision Optical Sensing and Measurement Technology, Qinhuangdao, P. R. China
| | - Junyou Ji
- College of Information Science and Engineering, Northeastern University, Shenyang, P. R. China
| | - Xiaoming Chen
- College of Information Science and Engineering, Northeastern University, Shenyang, P. R. China
- Hebei Key Laboratory of Micro-Nano Precision Optical Sensing and Measurement Technology, Qinhuangdao, P. R. China
| | - Ruijie Tong
- College of Information Science and Engineering, Northeastern University, Shenyang, P. R. China
- Hebei Key Laboratory of Micro-Nano Precision Optical Sensing and Measurement Technology, Qinhuangdao, P. R. China
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2
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Zhang Y, Chang K, Ogunlade B, Herndon L, Tadesse LF, Kirane AR, Dionne JA. From Genotype to Phenotype: Raman Spectroscopy and Machine Learning for Label-Free Single-Cell Analysis. ACS NANO 2024; 18:18101-18117. [PMID: 38950145 DOI: 10.1021/acsnano.4c04282] [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: 07/03/2024]
Abstract
Raman spectroscopy has made significant progress in biosensing and clinical research. Here, we describe how surface-enhanced Raman spectroscopy (SERS) assisted with machine learning (ML) can expand its capabilities to enable interpretable insights into the transcriptome, proteome, and metabolome at the single-cell level. We first review how advances in nanophotonics-including plasmonics, metamaterials, and metasurfaces-enhance Raman scattering for rapid, strong label-free spectroscopy. We then discuss ML approaches for precise and interpretable spectral analysis, including neural networks, perturbation and gradient algorithms, and transfer learning. We provide illustrative examples of single-cell Raman phenotyping using nanophotonics and ML, including bacterial antibiotic susceptibility predictions, stem cell expression profiles, cancer diagnostics, and immunotherapy efficacy and toxicity predictions. Lastly, we discuss exciting prospects for the future of single-cell Raman spectroscopy, including Raman instrumentation, self-driving laboratories, Raman data banks, and machine learning for uncovering biological insights.
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Affiliation(s)
- Yirui Zhang
- Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
| | - Kai Chang
- Department of Electrical Engineering, Stanford University, Stanford, California 94305, United States
| | - Babatunde Ogunlade
- Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
| | - Liam Herndon
- Department of Chemical Engineering, Stanford University, Stanford, California 94305, United States
| | - Loza F Tadesse
- Department of Mechanical Engineering, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
- Ragon Institute of MGH, MIT and Harvard, Cambridge, Massachusetts 02139, United States
- Jameel Clinic for AI & Healthcare, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139, United States
| | - Amanda R Kirane
- Department of Surgery, Stanford University, Stanford, California 94305, United States
| | - Jennifer A Dionne
- Department of Materials Science and Engineering, Stanford University, Stanford, California 94305, United States
- Department of Radiology, Molecular Imaging Program at Stanford (MIPS), Stanford University School of Medicine, Stanford, California 94305, United States
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3
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Shanehband N, Naghib SM. Recent advances in nano/microfluidics-based cell isolation techniques for cancer diagnosis and treatments. Biochimie 2024; 220:122-143. [PMID: 38176605 DOI: 10.1016/j.biochi.2024.01.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 11/26/2023] [Accepted: 01/01/2024] [Indexed: 01/06/2024]
Abstract
Miniaturization has improved significantly in the recent decade, which has enabled the development of numerous microfluidic systems. Microfluidic technologies have shown great potential for separating desired cells from heterogeneous samples, as they offer benefits such as low sample consumption, easy operation, and high separation accuracy. Microfluidic cell separation approaches can be classified into physical (label-free) and biological (labeled) methods based on their working principles. Each method has remarkable and feasible benefits for the purposes of cancer detection and therapy, as well as the challenges that we have discussed in this article. In this review, we present the recent advances in microfluidic cell sorting techniques that incorporate both physical and biological aspects, with an emphasis on the methods by which the cells are separated. We first introduce and discuss the biological cell sorting techniques, followed by the physical cell sorting techniques. Additionally, we explore the role of microfluidics in drug screening, drug delivery, and lab-on-chip (LOC) therapy. In addition, we discuss the challenges and future prospects of integrated microfluidics for cell sorting.
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Affiliation(s)
- Nahid Shanehband
- Nanotechnology Department, School of Advanced Technologies, Iran University of Science and Technology, P.O. Box 16846-13114, Tehran, Iran
| | - Seyed Morteza Naghib
- Nanotechnology Department, School of Advanced Technologies, Iran University of Science and Technology, P.O. Box 16846-13114, Tehran, Iran.
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4
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Childs A, Chand D, Pereira J, Santra S, Rajaraman S. BacteSign: Building a Findable, Accessible, Interoperable, and Reusable (FAIR) Database for Universal Bacterial Identification. BIOSENSORS 2024; 14:176. [PMID: 38667169 PMCID: PMC11047924 DOI: 10.3390/bios14040176] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 03/15/2024] [Accepted: 03/15/2024] [Indexed: 04/28/2024]
Abstract
With the increasing incidence of diverse global bacterial outbreaks, it is important to build an immutable decentralized database that can capture regional changes in bacterial resistance with time. Herein, we investigate the use of a rapid 3D printed µbiochamber with a laser-ablated interdigitated electrode developed for biofilm analysis of Pseudomonas aeruginosa, Acinetobacter baumannii and Bacillus subtilis using electrochemical biological impedance spectroscopy (EBIS) across a 48 h spectrum, along with novel ladder-based minimum inhibitory concentration (MIC) stencil tests against oxytetracycline, kanamycin, penicillin G and streptomycin. Furthermore, in this investigation, a search query database has been built demonstrating the deterministic nature of the bacterial strains with real and imaginary impedance, phase, and capacitance, showing increased bacterial specification selectivity in the 9772.37 Hz range.
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Affiliation(s)
- Andre Childs
- Department of Materials Science and Engineering, University of Central Florida, Orlando, FL 32816, USA
- NanoScience Technology Center, University of Central Florida, Orlando, FL 32826, USA
| | - David Chand
- Department of Mechanical and Aerospace Engineering, University of Central Florida, Orlando, FL 32816, USA
| | - Jorge Pereira
- NanoScience Technology Center, University of Central Florida, Orlando, FL 32826, USA
- Department of Chemistry, University of Central Florida, Orlando, FL 32816, USA
| | - Swadeshmukul Santra
- NanoScience Technology Center, University of Central Florida, Orlando, FL 32826, USA
- Department of Chemistry, University of Central Florida, Orlando, FL 32816, USA
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL 32827, USA
| | - Swaminathan Rajaraman
- Department of Materials Science and Engineering, University of Central Florida, Orlando, FL 32816, USA
- NanoScience Technology Center, University of Central Florida, Orlando, FL 32826, USA
- Burnett School of Biomedical Sciences, University of Central Florida, Orlando, FL 32827, USA
- Department of Electrical and Computer Engineering, University of Central Florida, Orlando, FL 32816, USA
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5
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Tivig I, Vallet L, Moisescu MG, Fernandes R, Andre FM, Mir LM, Savopol T. Early differentiation of mesenchymal stem cells is reflected in their dielectrophoretic behavior. Sci Rep 2024; 14:4330. [PMID: 38383752 PMCID: PMC10881469 DOI: 10.1038/s41598-024-54350-z] [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: 12/13/2023] [Accepted: 02/12/2024] [Indexed: 02/23/2024] Open
Abstract
The therapeutic use of mesenchymal stem cells (MSCs) becomes more and more important due to their potential for cell replacement procedures as well as due to their immunomodulatory properties. However, protocols for MSCs differentiation can be lengthy and may result in incomplete or asynchronous differentiation. To ensure homogeneous populations for therapeutic purposes, it is crucial to develop protocols for separation of the different cell types after differentiation. In this article we show that, when MSCs start to differentiate towards adipogenic or osteogenic progenies, their dielectrophoretic behavior changes. The values of cell electric parameters which can be obtained by dielectrophoretic measurements (membrane permittivity, conductivity, and cytoplasm conductivity) change before the morphological features of differentiation become microscopically visible. We further demonstrate, by simulation, that these electric modifications make possible to separate cells in their early stages of differentiation by using the dielectrophoretic separation technique. A label free method which allows obtaining cultures of homogenously differentiated cells is thus offered.
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Grants
- PN-III-P2-2.1-PED-2021, grant no. 596PED/2022 Romanian Executive Agency for Higher Education, Research, Development, and Innovation Funding
- PN-III-P2-2.1-PED-2021, grant no. 596PED/2022 Romanian Executive Agency for Higher Education, Research, Development, and Innovation Funding
- PN-III-P2-2.1-PED-2021, grant no. 596PED/2022 Romanian Executive Agency for Higher Education, Research, Development, and Innovation Funding
- PN-III-P3-3.1-PM-RO-FR-2019, grant no. 11BM/2019 Romania-France cooperation program Hubert Curien-Brancusi
- PN-III-P3-3.1-PM-RO-FR-2019, grant no. 11BM/2019 Romania-France cooperation program Hubert Curien-Brancusi
- PN-III-P3-3.1-PM-RO-FR-2019, grant no. 11BM/2019 Romania-France cooperation program Hubert Curien-Brancusi
- PN-III-P3-3.1-PM-RO-FR-2019, grant no. 11BM/2019 Romania-France cooperation program Hubert Curien-Brancusi
- FET-OPEN H2020, grant no. 964562 Horizon 2020
- FET-OPEN H2020, grant no. 964562 Horizon 2020
- FET-OPEN H2020, grant no. 964562 Horizon 2020
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Affiliation(s)
- Ioan Tivig
- Biophysics and Cellular Biotechnology Department, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd., 050474, Bucharest, Romania
- Excellence Center for Research in Biophysics and Cellular Biotechnology, Carol Davila University of Medicine and Pharmacy, 050474, Bucharest, Romania
| | - Leslie Vallet
- METSY UMR 9018, Université Paris-Saclay, CNRS and Gustave Roussy, 94805, Villejuif, France
| | - Mihaela G Moisescu
- Biophysics and Cellular Biotechnology Department, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd., 050474, Bucharest, Romania.
- Excellence Center for Research in Biophysics and Cellular Biotechnology, Carol Davila University of Medicine and Pharmacy, 050474, Bucharest, Romania.
| | - Romain Fernandes
- METSY UMR 9018, Université Paris-Saclay, CNRS and Gustave Roussy, 94805, Villejuif, France
| | - Franck M Andre
- METSY UMR 9018, Université Paris-Saclay, CNRS and Gustave Roussy, 94805, Villejuif, France
| | - Lluis M Mir
- METSY UMR 9018, Université Paris-Saclay, CNRS and Gustave Roussy, 94805, Villejuif, France
| | - Tudor Savopol
- Biophysics and Cellular Biotechnology Department, Faculty of Medicine, Carol Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd., 050474, Bucharest, Romania
- Excellence Center for Research in Biophysics and Cellular Biotechnology, Carol Davila University of Medicine and Pharmacy, 050474, Bucharest, Romania
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6
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Tivig I, Moisescu MG, Savopol T. OpenDEP: An Open-Source Platform for Dielectrophoresis Spectra Acquisition and Analysis. ACS OMEGA 2023; 8:38715-38722. [PMID: 37867645 PMCID: PMC10586268 DOI: 10.1021/acsomega.3c06052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 09/25/2023] [Indexed: 10/24/2023]
Abstract
Dielectrophoretic (DEP) cell separation, which utilizes electric fields to selectively manipulate and separate cells based on their electrical properties, has emerged as a cutting-edge label-free technique. DEP separation techniques rely on differences in the electrical and morphological properties of cells, which can be obtained by a thorough analysis of DEP spectra. This article presents a novel platform, named OpenDEP, for acquiring and processing DEP spectra of suspended cells. The platform consists of lab-on-a-chip and open-source software that enables the determination of DEP spectra and electric parameters. The performance of OpenDEP was validated by comparing the results obtained using this platform with the results obtained using a commercially available device, 3DEP from DEPtech. The lab-on-a-chip design features two indium tin oxide-coated slides with a specific geometry, forming a chamber where cells are exposed to an inhomogeneous alternating electric field with different frequencies, and microscopic images of cell distributions are acquired. A custom-built software written in the Python programing language was developed to convert the acquired images into DEP spectra, allowing for the estimation of membrane and cytoplasm conductivities and permittivities. The platform was validated using two cell lines, DC3F and NIH 3T3. The OpenDEP platform offers several advantages, including easy manufacturing, statistically robust computations due to large cell population analysis, and a closed environment for sterile work. Furthermore, continuous observation using any microscope allows for integration with other techniques.
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Affiliation(s)
- Ioan Tivig
- Biophysics and Cellular Biotechnology
Department, Excellence Center for Research in Biophysics and Cellular
Biotechnology, Faculty of Medicine, Carol
Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd., Bucharest 050474, Romania
| | - Mihaela Georgeta Moisescu
- Biophysics and Cellular Biotechnology
Department, Excellence Center for Research in Biophysics and Cellular
Biotechnology, Faculty of Medicine, Carol
Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd., Bucharest 050474, Romania
| | - Tudor Savopol
- Biophysics and Cellular Biotechnology
Department, Excellence Center for Research in Biophysics and Cellular
Biotechnology, Faculty of Medicine, Carol
Davila University of Medicine and Pharmacy, 8 Eroii Sanitari Blvd., Bucharest 050474, Romania
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7
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Han X, Xu X, Yang C, Liu G. Microfluidic design in single-cell sequencing and application to cancer precision medicine. CELL REPORTS METHODS 2023; 3:100591. [PMID: 37725985 PMCID: PMC10545941 DOI: 10.1016/j.crmeth.2023.100591] [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: 03/31/2023] [Revised: 07/01/2023] [Accepted: 08/24/2023] [Indexed: 09/21/2023]
Abstract
Single-cell sequencing (SCS) is a crucial tool to reveal the genetic and functional heterogeneity of tumors, providing unique insights into the clonal evolution, microenvironment, drug resistance, and metastatic progression of cancers. Microfluidics is a critical component of many SCS technologies and workflows, conferring advantages in throughput, economy, and automation. Here, we review the current landscape of microfluidic architectures and sequencing techniques for single-cell omics analysis and highlight how these have enabled recent applications in oncology research. We also discuss the challenges and the promise of microfluidics-based single-cell analysis in the future of precision oncology.
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Affiliation(s)
- Xin Han
- CUHK(SZ)-Boyalife Joint Laboratory of Regenerative Medicine Engineering, Biomedical Engineering Programme, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, China; Ciechanover Institute of Precision and Regenerative Medicine, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, China
| | - Xing Xu
- State Key Laboratory of Physical Chemistry of Solid Surfaces, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Key Laboratory for Chemical Biology of Fujian Province, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P.R. China; Institute of Molecular Medicine, State Key Laboratory of Oncogenes and Related 12 Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200240, P.R. China
| | - Chaoyang Yang
- State Key Laboratory of Physical Chemistry of Solid Surfaces, MOE Key Laboratory of Spectrochemical Analysis & Instrumentation, Key Laboratory for Chemical Biology of Fujian Province, Innovation Laboratory for Sciences and Technologies of Energy Materials of Fujian Province, Department of Chemical Biology, College of Chemistry and Chemical Engineering, Xiamen University, Xiamen 361005, P.R. China; Institute of Molecular Medicine, State Key Laboratory of Oncogenes and Related 12 Genes, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai 200240, P.R. China.
| | - Guozhen Liu
- CUHK(SZ)-Boyalife Joint Laboratory of Regenerative Medicine Engineering, Biomedical Engineering Programme, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, China; Ciechanover Institute of Precision and Regenerative Medicine, School of Medicine, The Chinese University of Hong Kong, Shenzhen 518172, China.
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8
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Deivasigamani R, Mohd Maidin NN, Abdul Nasir NS, Abdulhameed A, Ahmad Kayani AB, Mohamed MA, Buyong MR. A correlation of conductivity medium and bioparticle viability on dielectrophoresis-based biomedical applications. Electrophoresis 2023; 44:573-620. [PMID: 36604943 DOI: 10.1002/elps.202200203] [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: 08/12/2022] [Revised: 11/28/2022] [Accepted: 12/26/2022] [Indexed: 01/07/2023]
Abstract
Dielectrophoresis (DEP) bioparticle research has progressed from micro to nano levels. It has proven to be a promising and powerful cell manipulation method with an accurate, quick, inexpensive, and label-free technique for therapeutic purposes. DEP, an electrokinetic phenomenon, induces particle movement as a result of polarization effects in a nonuniform electrical field. This review focuses on current research in the biomedical field that demonstrates a practical approach to DEP in terms of cell separation, trapping, discrimination, and enrichment under the influence of the conductive medium in correlation with bioparticle viability. The current review aims to provide readers with an in-depth knowledge of the fundamental theory and principles of the DEP technique, which is influenced by conductive medium and to identify and demonstrate the biomedical application areas. The high conductivity of physiological fluids presents obstacles and opportunities, followed by bioparticle viability in an electric field elaborated in detail. Finally, the drawbacks of DEP-based systems and the outlook for the future are addressed. This article will aid in advancing technology by bridging the gap between bioscience and engineering. We hope the insights presented in this review will improve cell suspension medium and promote DEP-viable bioparticle manipulation for health-care diagnostics and therapeutics.
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Affiliation(s)
- Revathy Deivasigamani
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, Malaysia
| | - Nur Nasyifa Mohd Maidin
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, Malaysia
| | - Nur Shahira Abdul Nasir
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, Malaysia
| | | | - Aminuddin Bin Ahmad Kayani
- Functional Materials and Microsystems Research Group and the Micro Nano Research Facility, RMIT University, Melbourne, Australia.,ARC Research Hub for Connected Sensors for Health, RMIT University, Melbourne, Australia
| | - Mohd Ambri Mohamed
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, Malaysia
| | - Muhamad Ramdzan Buyong
- Institute of Microengineering and Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi, Selangor, Malaysia
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9
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Zeid AM, Abdussalam A, Hanif S, Anjum S, Lou B, Xu G. Recent advances in microchip electrophoresis for analysis of pathogenic bacteria and viruses. Electrophoresis 2023; 44:15-34. [PMID: 35689426 DOI: 10.1002/elps.202200082] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/31/2022] [Accepted: 06/07/2022] [Indexed: 02/01/2023]
Abstract
Life-threatening diseases, such as hepatitis B, pneumonia, tuberculosis, and COVID-19, are widespread due to pathogenic bacteria and viruses. Therefore, the development of highly sensitive, rapid, portable, cost-effective, and selective methods for the analysis of such microorganisms is a great challenge. Microchip electrophoresis (ME) has been widely used in recent years for the analysis of bacterial and viral pathogens in biological and environmental samples owing to its portability, simplicity, cost-effectiveness, and rapid analysis. However, microbial enrichment and purification are critical steps for accurate and sensitive analysis of pathogenic bacteria and viruses in complex matrices. Therefore, we first discussed the advances in the sample preparation technologies associated with the accurate analysis of such microorganisms, especially the on-chip microfluidic-based sample preparations such as dielectrophoresis and microfluidic membrane filtration. Thereafter, we focused on the recent advances in the lab-on-a-chip electrophoretic analysis of pathogenic bacteria and viruses in different complex matrices. As the microbial analysis is mainly based on the analysis of nucleic acid of the microorganism, the integration of nucleic acid-based amplification techniques such as polymerase chain reaction (PCR), quantitative PCR, and multiplex PCR with ME will result in an accurate and sensitive analysis of microbial pathogens. Such analyses are very important for the point-of-care diagnosis of various infectious diseases.
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Affiliation(s)
- Abdallah M Zeid
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, P. R. China.,Department of Pharmaceutical Analytical Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
| | - Abubakar Abdussalam
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, P. R. China.,College of Natural and Pharmaceutical Sciences, Department of Chemistry, Bayero University, Kano, Nigeria.,School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, P. R. China
| | - Saima Hanif
- Department of Biological Sciences, National University of Medical Sciences (NUMS), Punjab, Pakistan
| | - Saima Anjum
- Department of Chemistry, Govt. Sadiq College Women University, Bahawalpur, Pakistan
| | - Baohua Lou
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, P. R. China.,School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, P. R. China
| | - Guobao Xu
- State Key Laboratory of Electroanalytical Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, Jilin, P. R. China.,School of Applied Chemistry and Engineering, University of Science and Technology of China, Hefei, Anhui, P. R. China
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10
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Yang J, Gu Y, Zhang C, Zhang Y, Liang W, Hao L, Zhao Y, Liu L, Wang W. Label-free purification and characterization of optogenetically engineered cells using optically-induced dielectrophoresis. LAB ON A CHIP 2022; 22:3687-3698. [PMID: 35903981 DOI: 10.1039/d2lc00512c] [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
Optogenetically engineered cell population obtained by heterogeneous gene expression plays a vital role in life science, medicine, and biohybrid robotics, and purification and characterization are essential to enhance its application performance. However, the existing cell purification methods suffer from complex sample preparation or inevitable damage and pollution. The efficient and nondestructive label-free purification and characterization of the optogenetically engineered cells, HEK293-ChR2 cells, is provided here using an optically-induced dielectrophoresis (ODEP)-based approach. The distinctive crossover frequencies of the engineered cells and the unmodified cells enable effective separation due to the opposite DEP forces on them. The ODEP-based approach can greatly improve the purity of the separated cell population and especially, the ratio of the engineered cells in the separated cell population can be enhanced by 275% at a low transfection rate. The size and the membrane capacitance of the separated cell population decreases and increases, respectively, as the ratio of the engineered cells grows in the cell population, indicating that successful expression of ChR2 in a single HEK293 cell makes its size and membrane capacitance smaller and larger, respectively. The results of biohybrid imaging with the optogenetically engineered cells demonstrated that cell purification can improve the imaging quality. This work proves that the separation and purification of engineered cells are of great significance for their application in practice.
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Affiliation(s)
- Jia Yang
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China.
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yanyu Gu
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China.
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, China
- School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
| | - Chuang Zhang
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China.
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, China
| | - Yuzhao Zhang
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China.
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Wenfeng Liang
- School of Mechanical Engineering, Shenyang Jianzhu University, Shenyang 110168, China
| | - Lina Hao
- School of Mechanical Engineering and Automation, Northeastern University, Shenyang 110819, China.
| | - Ying Zhao
- Department of General Surgery, Shengjing Hospital of China Medical University, Shenyang, 110004, China.
| | - Lianqing Liu
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China.
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, China
| | - Wenxue Wang
- State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China.
- Institutes for Robotics and Intelligent Manufacturing, Chinese Academy of Sciences, Shenyang 110169, China
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11
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Deivasigamani R, Maidin NNM, Nasir NSA, Low MX, Kayani ABA, Mohamed MA, Buyong MR. A dielectrophoresis proof of concept of polystyrene particles and
in‐vitro
human epidermal keratinocytes migration for wound rejuvenation. J Appl Polym Sci 2022. [DOI: 10.1002/app.53096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Revathy Deivasigamani
- Institute of Microengineering and Nanoelectronics (IMEN) Universiti Kebangsaan Malaysia (UKM) Bangi Malaysia
| | - Nur Nasyifa Mohd Maidin
- Institute of Microengineering and Nanoelectronics (IMEN) Universiti Kebangsaan Malaysia (UKM) Bangi Malaysia
| | - Nur Shahira Abdul Nasir
- Institute of Microengineering and Nanoelectronics (IMEN) Universiti Kebangsaan Malaysia (UKM) Bangi Malaysia
| | - Mei Xian Low
- Functional Materials and Microsystems Research Group and the Micro Nano Research Facility RMIT University Melbourne Australia
- ARC Research Hub for Connected Sensors for Health RMIT University Melbourne Australia
| | - Aminuddin Bin Ahmad Kayani
- Functional Materials and Microsystems Research Group and the Micro Nano Research Facility RMIT University Melbourne Australia
- ARC Research Hub for Connected Sensors for Health RMIT University Melbourne Australia
| | - Mohd Ambri Mohamed
- Institute of Microengineering and Nanoelectronics (IMEN) Universiti Kebangsaan Malaysia (UKM) Bangi Malaysia
| | - Muhamad Ramdzan Buyong
- Institute of Microengineering and Nanoelectronics (IMEN) Universiti Kebangsaan Malaysia (UKM) Bangi Malaysia
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Nasir NSA, Deivasigamani R, Wee MFMR, Hamzah AA, Zaid MHM, Rahim MKA, Kayani AA, Abdulhameed A, Buyong MR. Protein Albumin Manipulation and Electrical Quantification of Molecular Dielectrophoresis Responses for Biomedical Applications. MICROMACHINES 2022; 13:mi13081308. [PMID: 36014230 PMCID: PMC9415755 DOI: 10.3390/mi13081308] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/06/2022] [Accepted: 08/07/2022] [Indexed: 05/17/2023]
Abstract
Research relating to dielectrophoresis (DEP) has been progressing rapidly through time as it is a strong and controllable technique for manipulation, separation, preconcentration, and partitioning of protein. Extensive studies have been carried out on protein DEP, especially on Bovine Serum Albumin (BSA). However, these studies involve the usage of dye and fluorescent probes to observe DEP responses as the physical properties of protein albumin molecular structure are translucent. The use of dye and the fluorescent probe could later affect the protein's physiology. In this article, we review three methods of electrical quantification of DEP responses: electrochemical impedance spectroscopy (EIS), cyclic voltammetry (CV) and capacitance measurement for protein BSA DEP manipulation. The correlation of these methods with DEP responses is further discussed. Based on the observations on capacitance measurement, it can be deduced that the electrical quantifying method is reliable for identifying DEP responses. Further, the possibility of manipulating the protein and electrically quantifying DEP responses while retaining the original physiology of the protein and without the usage of dye or fluorescent probe is discussed.
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Affiliation(s)
- Nur Shahira Abdul Nasir
- Institute of Microengineering & Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - Revathy Deivasigamani
- Institute of Microengineering & Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - M. F. Mohd Razip Wee
- Institute of Microengineering & Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - Azrul Azlan Hamzah
- Institute of Microengineering & Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | - Mohd Hazani Mat Zaid
- Institute of Microengineering & Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
| | | | - Aminuddin Ahmad Kayani
- Functional Materials and Microsystems Research Group and the Micro Nano Research Facility, School of Engineering, RMIT University, Melbourne, VIC 3001, Australia
| | - Abdullah Abdulhameed
- Department of Electronics & Communication Engineering, Faculty of Engineering & Petroleum, Hadhramout University, Al-Mukalla 50512, Hadhramout, Yemen
| | - Muhamad Ramdzan Buyong
- Institute of Microengineering & Nanoelectronics (IMEN), Universiti Kebangsaan Malaysia (UKM), Bangi 43600, Selangor, Malaysia
- Correspondence: ; Tel.: +60-12-385-2713
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13
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Farasat M, Aalaei E, Kheirati Ronizi S, Bakhshi A, Mirhosseini S, Zhang J, Nguyen NT, Kashaninejad N. Signal-Based Methods in Dielectrophoresis for Cell and Particle Separation. BIOSENSORS 2022; 12:510. [PMID: 35884313 PMCID: PMC9313092 DOI: 10.3390/bios12070510] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 06/29/2022] [Accepted: 07/04/2022] [Indexed: 06/15/2023]
Abstract
Separation and detection of cells and particles in a suspension are essential for various applications, including biomedical investigations and clinical diagnostics. Microfluidics realizes the miniaturization of analytical devices by controlling the motion of a small volume of fluids in microchannels and microchambers. Accordingly, microfluidic devices have been widely used in particle/cell manipulation processes. Different microfluidic methods for particle separation include dielectrophoretic, magnetic, optical, acoustic, hydrodynamic, and chemical techniques. Dielectrophoresis (DEP) is a method for manipulating polarizable particles' trajectories in non-uniform electric fields using unique dielectric characteristics. It provides several advantages for dealing with neutral bioparticles owing to its sensitivity, selectivity, and noninvasive nature. This review provides a detailed study on the signal-based DEP methods that use the applied signal parameters, including frequency, amplitude, phase, and shape for cell/particle separation and manipulation. Rather than employing complex channels or time-consuming fabrication procedures, these methods realize sorting and detecting the cells/particles by modifying the signal parameters while using a relatively simple device. In addition, these methods can significantly impact clinical diagnostics by making low-cost and rapid separation possible. We conclude the review by discussing the technical and biological challenges of DEP techniques and providing future perspectives in this field.
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Affiliation(s)
- Malihe Farasat
- School of Electrical and Computer Engineering, College of Engineering, Tehran University, Tehran 14399-57131, Iran; (M.F.); (A.B.); (S.M.)
| | - Ehsan Aalaei
- School of Mechanical Engineering, Shiraz University, Shiraz 71936-16548, Iran; (E.A.); (S.K.R.)
| | - Saeed Kheirati Ronizi
- School of Mechanical Engineering, Shiraz University, Shiraz 71936-16548, Iran; (E.A.); (S.K.R.)
| | - Atin Bakhshi
- School of Electrical and Computer Engineering, College of Engineering, Tehran University, Tehran 14399-57131, Iran; (M.F.); (A.B.); (S.M.)
| | - Shaghayegh Mirhosseini
- School of Electrical and Computer Engineering, College of Engineering, Tehran University, Tehran 14399-57131, Iran; (M.F.); (A.B.); (S.M.)
| | - Jun Zhang
- Queensland Micro-Nanotechnology Centre, Griffith University, Nathan, QLD 4111, Australia; (J.Z.); (N.-T.N.)
| | - Nam-Trung Nguyen
- Queensland Micro-Nanotechnology Centre, Griffith University, Nathan, QLD 4111, Australia; (J.Z.); (N.-T.N.)
| | - Navid Kashaninejad
- Queensland Micro-Nanotechnology Centre, Griffith University, Nathan, QLD 4111, Australia; (J.Z.); (N.-T.N.)
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14
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Deivasigamani R, Abdul Nasir NS, Mohamed MA, Buyong MR. In vitro dielectrophoresis of HEK cell migration for stimulating chronic wound epithelialization. Electrophoresis 2021; 43:609-620. [PMID: 34859896 DOI: 10.1002/elps.202100207] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 11/21/2021] [Accepted: 11/29/2021] [Indexed: 11/10/2022]
Abstract
This article describes a dielectrophoresis (DEP)-based simulation and experimental study of human epidermal keratinocyte (HEK) cells for wounded skin cell migration toward rapid epithelialization. MyDEP is a standalone software designed specifically to study dielectric particles and cell response to an alternating current (AC) electric field. This method demonstrated that negative dielectrophoresis (NDEP ) occurs in HEK cells at a wide frequency range in highly conductive medium. The finite element method was used to characterize particle trajectory based on DEP and drag force. The performance of the system was assessed using HEK cells in a highly conductive EpiLife suspending medium. The DEP experiment was performed by applying sinusoidal wave AC potential at the peak-to-peak voltage of 10 V in a tapered aluminum microelectrode array from 100 kHz to 1 MHz. We experimentally observed the occurrence of NDEP, which attracted HEK cells toward the local electric field minima in the region of interest. The DIPP-MotionV software was used to track cell migration in the prerecorded video via an automatic marker and estimate the average speed and acceleration of the cells. The results showed that HEK cell migration was accomplished approximately at 6.43 μm/s at 100 kHz with 10 V, and FDEP caused the cells to migrate and align at the target position, which resulted in faster wound closures because of the application of an electric field frequency to HEK cells in random locations.
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Affiliation(s)
- Revathy Deivasigamani
- Universiti Kebangsaan Malaysia (UKM), Institute of Microengineering and Nanoelectronics (IMEN), Bangi, Selangor, Malaysia
| | - Nur Shahira Abdul Nasir
- Universiti Kebangsaan Malaysia (UKM), Institute of Microengineering and Nanoelectronics (IMEN), Bangi, Selangor, Malaysia
| | - Mohd Ambri Mohamed
- Universiti Kebangsaan Malaysia (UKM), Institute of Microengineering and Nanoelectronics (IMEN), Bangi, Selangor, Malaysia
| | - Muhamad Ramdzan Buyong
- Universiti Kebangsaan Malaysia (UKM), Institute of Microengineering and Nanoelectronics (IMEN), Bangi, Selangor, Malaysia
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