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Alizadeh F, Saviz M, Khoraminia F, Talebipour A, Imani R, Shabani I. EMEMI: An interference-free mini-incubator with integrated electric and magnetic field exposure for real-time microscopic imaging of field effects. Bioelectromagnetics 2024; 45:33-47. [PMID: 37789661 DOI: 10.1002/bem.22483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 08/11/2023] [Accepted: 08/25/2023] [Indexed: 10/05/2023]
Abstract
Uninterrupted microscopic observation and real-time imaging of cell behavior during exposure to the stimulus, for example, electric and/or magnetic fields, especially for periods of several days, has been a challenge in experimental bioelectromagnetics due to a lack of proper gas/temperature conditions outside the incubator. Conventional mini-incubators might suffer from stray fields produced by heating elements. We report an in vitro electric and magnetic fields (EMF) exposure system embedded inside a novel under-the-microscope mini-CO2 -incubator with a unique design to avoid electromagnetic interference from the heating and circulation functions while ensuring the requisite temperature. A unique, reconfigurable array of electrodes and/or coils excited by calculated current distributions among array elements is designed to provide excellent field uniformity and controllable linear or circular polarization (even at very low frequencies) of the EMF within the cell culture. Using standard biochemical assays, long-term cell viability has been verified and compared with a conventional incubator. Cell orientation/migration in three-dimensional culture made of collagen-hydrogels has been successfully observed in vitro, in long-term, and in real-time under the influence of DC electric fields with the device.
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Affiliation(s)
- Farhad Alizadeh
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Mehrdad Saviz
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Farbod Khoraminia
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Ali Talebipour
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Rana Imani
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
| | - Iman Shabani
- Department of Biomedical Engineering, Amirkabir University of Technology (Tehran Polytechnic), Tehran, Iran
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Gupta P, Waghmare S, Kar S, Illath K, Rao S, Santra TS. Functionally gradient three-dimensional graphene foam-based polymeric scaffolds for multilayered tissue regeneration. RSC Adv 2023; 13:1245-1255. [PMID: 36686898 PMCID: PMC9812017 DOI: 10.1039/d2ra06018c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Accepted: 12/20/2022] [Indexed: 01/05/2023] Open
Abstract
Physiological bioengineering of multilayered tissues requires an optimized geometric organization with comparable biomechanics. Currently, polymer-reinforced three-dimensional (3D) graphene foams (GFs) are gaining interest in tissue engineering due to their unique morphology, biocompatibility, and similarity to extracellular matrixes. However, the homogeneous reinforcement of single polymers throughout a GF matrix does not provide tissue-level organization. Therefore, a triple-layered structure is developed in a GF matrix to closely mimic native tissue structures of the periodontium of the teeth. The scaffold aims to overcome the issue of layer separation, which generally occurs in multilayered structures due to the poor integration of various layers. The 3D GF matrix was reinforced with a polycaprolactone (PCL), polyvinyl alcohol (PVA), and PCL-hydroxyapatite (HA) mixture, added sequentially, via spin coating, vacuum, and hot air drying. Later, PVA was dissolved to create a middle layer, mimicking the periodontal fibers, while the layers present on either side resembled cementum and alveolar bone, respectively. Scanning electron microscopy and micro-computed tomography revealed the structure of the scaffold with internal differential porosities. The nanoindentation and tensile testing demonstrated the closeness of mechanical properties to that of native tissues. The biocompatibility was assessed by the MTT assay with MG63 cells (human osteosarcoma cells) exhibiting high adhesion and proliferation rate inside the 3D architecture. Summing up, this scaffold has the potential for enhancing the regeneration of various multilayered tissues.
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Affiliation(s)
- Pallavi Gupta
- Department of Engineering Design, Indian Institute of Technology MadrasChennai 600036India+91-9840041787+91-044-2257-4747
| | - Sonali Waghmare
- Department of Engineering Design, Indian Institute of Technology MadrasChennai 600036India+91-9840041787+91-044-2257-4747
| | - Srabani Kar
- Indian Institute of Science Education and ResearchTirupati 517507India
| | - Kavitha Illath
- Department of Engineering Design, Indian Institute of Technology MadrasChennai 600036India+91-9840041787+91-044-2257-4747
| | - Suresh Rao
- Department of Engineering Design, Indian Institute of Technology MadrasChennai 600036India+91-9840041787+91-044-2257-4747
| | - Tuhin Subhra Santra
- Department of Engineering Design, Indian Institute of Technology MadrasChennai 600036India+91-9840041787+91-044-2257-4747
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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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Gupta P, Kar S, Kumar A, Tseng FG, Pradhan S, Mahapatra PS, Santra TS. Pulsed laser assisted high-throughput intracellular delivery in hanging drop based three dimensional cancer spheroids. Analyst 2021; 146:4756-4766. [PMID: 34240729 PMCID: PMC7611397 DOI: 10.1039/d0an02432e] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Targeted intracellular delivery of biomolecules and therapeutic cargo enables the controlled manipulation of cellular processes. Laser-based optoporation has emerged as a versatile, non-invasive technique that employs light-based transient physical disruption of the cell membrane and achieves high transfection efficiency with low cell damage. Testing of the delivery efficiency of optoporation-based techniques has been conducted on single cells in monolayers, but its applicability in three-dimensional (3D) cell clusters/spheroids has not been explored. Cancer cells grown as 3D tumor spheroids are widely used in anti-cancer drug screening and can be potentially employed for testing delivery efficiency. Towards this goal, we demonstrated the optoporation-based high-throughput intracellular delivery of a model fluorescent cargo (propidium iodide, PI) within 3D SiHa human cervical cancer spheroids. To enable this technique, nano-spiked core-shell gold-coated polystyrene nanoparticles (ns-AuNPs) with a high surface-to-volume ratio were fabricated. ns-AuNPs exhibited high electric field enhancement and highly localized heating at an excitation wavelength of 680 nm. ns-AuNPs were co-incubated with cancer cells within hanging droplets to enable the rapid aggregation and assembly of spheroids. Nanosecond pulsed-laser excitation at the optimized values of laser fluence (45 mJ cm-2), pulse frequency (10 Hz), laser exposure time (30 s), and ns-AuNP concentration (5 × 1010 particles per ml) resulted in the successful delivery of PI dye into cancer cells. This technique ensured high delivery efficiency (89.6 ± 2.8%) while maintaining high cellular viability (97.4 ± 0.4%), thereby validating the applicability of this technique for intracellular delivery. The optoporation-based strategy can enable high-throughput single cell manipulation, is scalable towards larger 3D tissue constructs, and may provide translational benefits for the delivery of anti-cancer therapeutics to tumors.
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Affiliation(s)
- Pallavi Gupta
- Department of Engineering Design, Indian Institute of Technology Madras, Chennai 600036, India.
| | - Srabani Kar
- Department of Electrical Engineering, University of Cambridge, Cambridge CB3 0FA, UK
| | - Ashish Kumar
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Fan-Gang Tseng
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu 30013, Taiwan
| | - Shantanu Pradhan
- Department of Biotechnology, Bhupat & Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, India.
| | - Pallab Sinha Mahapatra
- Department of Mechanical Engineering, Indian Institute of Technology Madras, Chennai 600036, India
| | - Tuhin Subhra Santra
- Department of Engineering Design, Indian Institute of Technology Madras, Chennai 600036, India.
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Editorial for the Special Issue on Micro/Nanofluidic Devices for Single Cell Analysis, Volume II. MICROMACHINES 2021; 12:mi12080875. [PMID: 34442497 PMCID: PMC8400742 DOI: 10.3390/mi12080875] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Accepted: 07/23/2021] [Indexed: 12/19/2022]
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Mohan L, Kar S, Nagai M, Santra TS. Electrochemical fabrication of TiO 2 micro-flowers for an efficient intracellular delivery using nanosecond light pulse. MATERIALS CHEMISTRY AND PHYSICS 2021; 267:124604. [PMID: 34285425 PMCID: PMC7611311 DOI: 10.1016/j.matchemphys.2021.124604] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Introduction of foreign cargo into the targeted living cell with high transfection efficiency and high cell viability is an important mean for many biological and biomedical research purpose. Here, we have demonstrated a newly developed Titanium oxide micro-flower structure (TMS) for intracellular delivery. The TMS were formed on titanium (Ti) substrate using an electrochemical anodization process. The TMS consists of branches of titanium dioxide (TiO2) nanotubes, which play an important role in efficient cargo delivery. Due to nanosecond pulse laser exposure, Ti substrate heat-up, generating cavitation bubbles. These bubbles can rapidly grow, coalesce, and collapse to induce explosion resulting in very strong fluid flow through the TiO2 nanotubes and disrupt the cell plasma membrane promoting the delivery of biomolecules into cells. Using this platform, we successfully deliver dyes with 93% efficiency and nearly 98% cell viability into HCT cells, and this technique is potentially applicable for cellular therapy and diagnostics.
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Affiliation(s)
- L. Mohan
- Department of Engineering Design, Indian Institute of Technology Madras, India
- Department of Mechanical Engineering, Toyohashi University of Technology, Japan
| | - Srabani Kar
- Department of Engineering Design, Indian Institute of Technology Madras, India
- Department of Electrical Engineering, University of Cambridge, UK
| | - Moeto Nagai
- Department of Mechanical Engineering, Toyohashi University of Technology, Japan
| | - Tuhin Subhra Santra
- Department of Engineering Design, Indian Institute of Technology Madras, India
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Kaladharan K, Kumar A, Gupta P, Illath K, Santra TS, Tseng FG. Microfluidic Based Physical Approaches towards Single-Cell Intracellular Delivery and Analysis. MICROMACHINES 2021; 12:631. [PMID: 34071732 PMCID: PMC8228766 DOI: 10.3390/mi12060631] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 05/24/2021] [Accepted: 05/25/2021] [Indexed: 12/20/2022]
Abstract
The ability to deliver foreign molecules into a single living cell with high transfection efficiency and high cell viability is of great interest in cell biology for applications in therapeutic development, diagnostics, and drug delivery towards personalized medicine. Various physical delivery methods have long demonstrated the ability to deliver cargo molecules directly to the cytoplasm or nucleus and the mechanisms underlying most of the approaches have been extensively investigated. However, most of these techniques are bulk approaches that are cell-specific and have low throughput delivery. In comparison to bulk measurements, single-cell measurement technologies can provide a better understanding of the interactions among molecules, organelles, cells, and the microenvironment, which can aid in the development of therapeutics and diagnostic tools. To elucidate distinct responses during cell genetic modification, methods to achieve transfection at the single-cell level are of great interest. In recent years, single-cell technologies have become increasingly robust and accessible, although limitations exist. This review article aims to cover various microfluidic-based physical methods for single-cell intracellular delivery such as electroporation, mechanoporation, microinjection, sonoporation, optoporation, magnetoporation, and thermoporation and their analysis. The mechanisms of various physical methods, their applications, limitations, and prospects are also elaborated.
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Affiliation(s)
- Kiran Kaladharan
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu 300044, Taiwan; (K.K.); (A.K.)
| | - Ashish Kumar
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu 300044, Taiwan; (K.K.); (A.K.)
| | - Pallavi Gupta
- Department of Engineering Design, Indian Institute of Technology Madras, Chennai 600036, India; (P.G.); (K.I.)
| | - Kavitha Illath
- Department of Engineering Design, Indian Institute of Technology Madras, Chennai 600036, India; (P.G.); (K.I.)
| | - Tuhin Subhra Santra
- Department of Engineering Design, Indian Institute of Technology Madras, Chennai 600036, India; (P.G.); (K.I.)
| | - Fan-Gang Tseng
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu 300044, Taiwan; (K.K.); (A.K.)
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Mohan L, Kar S, Mahapatra PS, Nagai M, Santra TS. Fabrication of TiO 2 microspikes for highly efficient intracellular delivery by pulse laser-assisted photoporation. RSC Adv 2021; 11:9336-9348. [PMID: 34276967 PMCID: PMC7611284 DOI: 10.1039/d0ra09785c] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
The introduction of foreign cargo into living cells with high delivery efficiency and cell viability is a challenge in cell biology and biomedical research. Here, we demonstrate a nanosecond pulse laser-activated photoporation for highly efficient intracellular delivery using titanium dioxide (TiO2) microspikes as a substratum. The TiO2 microspikes were formed on titanium (Ti) substrate using an electrochemical anodization process. Cells were cultured on top of the TiO2 microspikes as a monolayer, and the biomolecule was added. Due to pulse laser exposure of the TiO2 microspike–cell membrane interface, the microspikes heat up and induce cavitation bubbles, which rapidly grow, coalesce and collapse to induce explosion, resulting in very strong fluid flow at the cell membrane surface. Thus, the cell plasma membrane disrupts and creates transient nanopores, allowing delivery of biomolecules into cells by a simple diffusion process. By this technique, we successfully delivered propidium iodide (PI) dye in HeLa cells with high delivery efficiency (93%) and high cell viability (98%) using 7 mJ pulse energy at 650 nm wavelength. Thus, our TiO2 microspike-based platform is compact, easy to use, and potentially applicable for therapeutic and diagnostic purposes. The introduction of foreign cargo into living cells with high delivery efficiency and cell viability by laser asisted photoporation on TiO2 microspikes platform.![]()
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Affiliation(s)
- L Mohan
- Department of Engineering Design, Indian Institute of Technology Madras, India.,Department of Mechanical Engineering, Toyohashi University of Technology, Japan
| | - Srabani Kar
- Department of Engineering Design, Indian Institute of Technology Madras, India.,Department of Electrical Engineering, University of Cambridge, UK
| | | | - Moeto Nagai
- Department of Mechanical Engineering, Toyohashi University of Technology, Japan
| | - Tuhin Subhra Santra
- Department of Engineering Design, Indian Institute of Technology Madras, India
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Abstract
Cells are known to be the most fundamental building block of life[...].
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Affiliation(s)
- Tuhin Subhra Santra
- Department of Engineering Design, Indian Institute of Technology Madras, Tamil Nadu 600036, India
| | - Fan-Gang Tseng
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu 30013, Taiwan;
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Santra TS, Kar S, Chen TC, Chen CW, Borana J, Lee MC, Tseng FG. Near-infrared nanosecond-pulsed laser-activated highly efficient intracellular delivery mediated by nano-corrugated mushroom-shaped gold-coated polystyrene nanoparticles. NANOSCALE 2020; 12:12057-12067. [PMID: 32469040 DOI: 10.1039/d0nr01792b] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Here, an efficient intracellular delivery of molecules with high cell viability is reported using nanosecond-pulsed laser-activated plasmonic photoporation, mediated by high-aspect-ratio nano-corrugated mushroom-shaped gold-coated polystyrene nanoparticles (nm-AuPNPs) at near-infrared wavelength. Upon pulsed laser illumination, nm-AuPNPs exhibit greater plasmonic extinction than spherical AuPNPs, which increase their energy efficiency and reduce the necessary illumination of light, effectively controlling cell damage and improving the delivery efficiency. Nm-AuPNPs exhibit surface plasmon absorption at near infrared region with a peak at 945 nm. Pulsed laser illumination at this plasmon peak triggers explosive nanobubbles, which create transient membrane pores, allowing the delivery of dyes, quantum dots and plasmids into the different cell types. The results can be tuned by laser fluence, exposure time, molecular size and concentration of nm-AuPNPs. The best results are found for CL1-0 cells, which yielded a 94% intracellular PI dye uptake and ∼100% cell viability at 35 mJ cm-2 laser fluence for 945 nm wavelength. Thus, the presented approach has proven to have an inevitable potential for biological cell research and therapeutic applications.
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Affiliation(s)
- Tuhin Subhra Santra
- Department of Engineering Design, Indian Institute of Technology Madras, India.
| | - Srabani Kar
- Electrical Engineering Division, University of Cambridge, CB3 0FA, Cambridge, UK
| | - Te-Chang Chen
- Institute of Photonics Technology, National Tsing Hua University, Taiwan
| | - Chih-Wei Chen
- Institute of Molecular Medicine, National Tsing Hua University, Taiwan
| | - Jayant Borana
- Department of Engineering and System Science, National Tsing Hua University, Taiwan.
| | - Ming-Chang Lee
- Institute of Photonics Technology, National Tsing Hua University, Taiwan and Department of Electrical Engineering, National Tsing Hua University, Taiwan
| | - Fan-Gang Tseng
- Department of Engineering and System Science, National Tsing Hua University, Taiwan. and Institute of Nanoengineering and Microsystems, National Tsing Hua University, Taiwan and Division of Mechanics, Research Center for Applied Sciences, Academia Sinica, Taiwan
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Wimberger T, Peham JR, Ehmoser EK, Wassermann KJ. Controllable cell manipulation in a microfluidic pipette-tip design using capacitive coupling of electric fields. LAB ON A CHIP 2019; 19:3997-4006. [PMID: 31667478 DOI: 10.1039/c9lc00927b] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Systems designed toward cell manipulation by electric fields are inherently challenged by energy dissipation along the electrode-electrolyte interface. A promising remedy is the introduction of high-k electrode passivation, enabling efficient capacitive coupling of electric fields into biological samples. We present the implementation of this strategy in a reusable pipette tip design featuring a 10 μl chamber volume for life science applications. Prototype validation and comparison to conductive gold-coated electrodes reveal a consistent and controllable biological effect that significantly increases the reproducibility of lysis events. The system provides precise descriptions of HEK-293 lysis dependency to variables such as field strength, frequency, and conductivity. Over 80% of cells were reversibly electroporated with minimal electrical lysis over a broad range of field settings. Successful transfection requires exponential decay pulses and showcases how modulating capacitive coupling can advance our understanding of fundamental mechanics in the field of electroporation.
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Affiliation(s)
- Terje Wimberger
- Austrian Institute of Technology GmbH, Department for Health & Bioresources, Vienna, Austria. and University of Natural Resources and Life Sciences, Department for Nanobiotechnology, Vienna, Austria
| | - Johannes R Peham
- Austrian Institute of Technology GmbH, Department for Health & Bioresources, Vienna, Austria.
| | - Eva-Kathrin Ehmoser
- University of Natural Resources and Life Sciences, Department for Nanobiotechnology, Vienna, Austria
| | - Klemens J Wassermann
- Austrian Institute of Technology GmbH, Department for Health & Bioresources, Vienna, Austria.
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Shinde P, Mohan L, Kumar A, Dey K, Maddi A, Patananan AN, Tseng FG, Chang HY, Nagai M, Santra TS. Current Trends of Microfluidic Single-Cell Technologies. Int J Mol Sci 2018; 19:E3143. [PMID: 30322072 PMCID: PMC6213733 DOI: 10.3390/ijms19103143] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 09/27/2018] [Accepted: 09/27/2018] [Indexed: 02/07/2023] Open
Abstract
The investigation of human disease mechanisms is difficult due to the heterogeneity in gene expression and the physiological state of cells in a given population. In comparison to bulk cell measurements, single-cell measurement technologies can provide a better understanding of the interactions among molecules, organelles, cells, and the microenvironment, which can aid in the development of therapeutics and diagnostic tools. In recent years, single-cell technologies have become increasingly robust and accessible, although limitations exist. In this review, we describe the recent advances in single-cell technologies and their applications in single-cell manipulation, diagnosis, and therapeutics development.
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Affiliation(s)
- Pallavi Shinde
- Department of Engineering Design, Indian Institute of Technology Madras, Tamil Nadu 600036, India.
| | - Loganathan Mohan
- Department of Engineering Design, Indian Institute of Technology Madras, Tamil Nadu 600036, India.
| | - Amogh Kumar
- Department of Engineering Design, Indian Institute of Technology Madras, Tamil Nadu 600036, India.
| | - Koyel Dey
- Department of Engineering Design, Indian Institute of Technology Madras, Tamil Nadu 600036, India.
| | - Anjali Maddi
- Department of Engineering Design, Indian Institute of Technology Madras, Tamil Nadu 600036, India.
| | - Alexander N Patananan
- Department of Pathology and Laboratory Medicine, University of California, Los Angeles, CA 90095, USA.
| | - Fan-Gang Tseng
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu City 30071, Taiwan.
| | - Hwan-You Chang
- Department of Medical Science, National Tsing Hua University, Hsinchu City 30071, Taiwan.
| | - Moeto Nagai
- Department of Mechanical Engineering, Toyohashi University of Technology, Toyohashi 441-8580, Japan.
| | - Tuhin Subhra Santra
- Department of Engineering Design, Indian Institute of Technology Madras, Tamil Nadu 600036, India.
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