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Erofeev A, Antifeev I, Bolshakova A, Bezprozvanny I, Vlasova O. In Vivo Penetrating Microelectrodes for Brain Electrophysiology. SENSORS (BASEL, SWITZERLAND) 2022; 22:s22239085. [PMID: 36501805 PMCID: PMC9735502 DOI: 10.3390/s22239085] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 11/14/2022] [Accepted: 11/22/2022] [Indexed: 05/13/2023]
Abstract
In recent decades, microelectrodes have been widely used in neuroscience to understand the mechanisms behind brain functions, as well as the relationship between neural activity and behavior, perception and cognition. However, the recording of neuronal activity over a long period of time is limited for various reasons. In this review, we briefly consider the types of penetrating chronic microelectrodes, as well as the conductive and insulating materials for microelectrode manufacturing. Additionally, we consider the effects of penetrating microelectrode implantation on brain tissue. In conclusion, we review recent advances in the field of in vivo microelectrodes.
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Affiliation(s)
- Alexander Erofeev
- Laboratory of Molecular Neurodegeneration, Graduate School of Biomedical Systems and Technologies, Institute of Biomedical Systems and Biotechnology, Peter the Great St. Petersburg Polytechnic University, 195251 Saint Petersburg, Russia
- Correspondence: (A.E.); (O.V.)
| | - Ivan Antifeev
- Laboratory of Methods and Instruments for Genetic and Immunoassay Analysis, Institute for Analytical Instrumentation of the Russian Academy of Sciences, 198095 Saint Petersburg, Russia
| | - Anastasia Bolshakova
- Laboratory of Molecular Neurodegeneration, Graduate School of Biomedical Systems and Technologies, Institute of Biomedical Systems and Biotechnology, Peter the Great St. Petersburg Polytechnic University, 195251 Saint Petersburg, Russia
| | - Ilya Bezprozvanny
- Laboratory of Molecular Neurodegeneration, Graduate School of Biomedical Systems and Technologies, Institute of Biomedical Systems and Biotechnology, Peter the Great St. Petersburg Polytechnic University, 195251 Saint Petersburg, Russia
- Department of Physiology, University of Texas Southwestern Medical Center at Dallas, Dallas, TX 75390, USA
| | - Olga Vlasova
- Laboratory of Molecular Neurodegeneration, Graduate School of Biomedical Systems and Technologies, Institute of Biomedical Systems and Biotechnology, Peter the Great St. Petersburg Polytechnic University, 195251 Saint Petersburg, Russia
- Correspondence: (A.E.); (O.V.)
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Garma LD, Ferrari LM, Scognamiglio P, Greco F, Santoro F. Inkjet-printed PEDOT:PSS multi-electrode arrays for low-cost in vitro electrophysiology. LAB ON A CHIP 2019; 19:3776-3786. [PMID: 31616896 DOI: 10.1039/c9lc00636b] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
Multi-electrode arrays (MEAs) have become a key element in the study of cellular phenomena in vitro. Common modern MEAs are still based on costly microfabrication techniques, making them expensive tools that researchers are pushed to reuse, compromising the reproducibility and the quality of the acquired data. There is a need to develop novel fabrication strategies, able to produce disposable devices that incorporate advanced technologies beyond the standard metal electrodes on rigid substrates. Here we present an innovative fabrication process for the production of polymer-based flexible MEAs. The device fabrication exploited inkjet printing, as this low-cost manufacturing method allows for an easy and reliable patterning of conducting polymers. Poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS) was used as the sole conductive element of the MEAs. The physical structure and the electrical properties of the plastic/printed MEAs (pMEAs) were characterised, showing a low impedance that is maintained also in the long term. The biocompatibility of the devices was demonstrated, and their capability to successfully establish a tight coupling with cells was proved. Furthermore, the pMEAs were used to monitor the extracellular potentials from cardiac cell cultures and to record high quality electrophysiological signals from them. Our results validate the use of pMEAs as in vitro electrophysiology platforms, pushing for the adoption of innovative fabrication techniques and the use of new materials for the production of MEAs.
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Affiliation(s)
- Leonardo D Garma
- Tissue Electronics, Center for Advanced Biomaterials for Healthcare, Istituto Italiano di Tecnologia, Naples, Italy.
| | - Laura M Ferrari
- Center for Micro-BioRobotics@SSSA, Istituto Italiano di Tecnologia, Pontedera, Italy.
| | - Paola Scognamiglio
- Tissue Electronics, Center for Advanced Biomaterials for Healthcare, Istituto Italiano di Tecnologia, Naples, Italy.
| | - Francesco Greco
- Center for Micro-BioRobotics@SSSA, Istituto Italiano di Tecnologia, Pontedera, Italy. and Institute of Solid State Physics, Graz University of Technology, Austria.
| | - Francesca Santoro
- Tissue Electronics, Center for Advanced Biomaterials for Healthcare, Istituto Italiano di Tecnologia, Naples, Italy.
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Schürmann M, Shepheard N, Frese N, Geishendorf K, Sudhoff H, Gölzhäuser A, Rückert U, Kaltschmidt C, Kaltschmidt B, Thomas A. Technical feasibility study for production of tailored multielectrode arrays and patterning of arranged neuronal networks. PLoS One 2018; 13:e0192647. [PMID: 29474358 PMCID: PMC5825013 DOI: 10.1371/journal.pone.0192647] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2017] [Accepted: 01/26/2018] [Indexed: 02/01/2023] Open
Abstract
In this manuscript, we first reveal a simple ultra violet laser lithographic method to design and produce plain tailored multielectrode arrays. Secondly, we use the same lithographic setup for surface patterning to enable controlled attachment of primary neuronal cells and help neurite guidance. For multielectrode array production, we used flat borosilicate glass directly structured with the laser lithography system. The multi layered electrode system consists of a layer of titanium coated with a layer of di-titanium nitride. Finally, these electrodes are covered with silicon nitride for insulation. The quality of the custom made multielectrode arrays was investigated by light microscopy, electron microscopy and X-ray diffraction. The performance was verified by the detection of action potentials of primary neurons. The electrical noise of the custom-made MEA was equal to commercially available multielectrode arrays. Additionally, we demonstrated that structured coating with poly lysine, obtained with the aid of the same lithographic system, could be used to attach and guide neurons to designed structures. The process of neuron attachment and neurite guidance was investigated by light microscopy and charged particle microscopy. Importantly, the utilization of the same lithographic system for MEA fabrication and poly lysine structuring will make it easy to align the architecture of the neuronal network to the arrangement of the MEA electrode.. In future studies, this will lead to multielectrode arrays, which are able to specifically attach neuronal cell bodies to their chemically defined electrodes and guide their neurites, gaining a controlled connectivity in the neuronal network. This type of multielectrode array would be able to precisely assign a signal to a certain neuron resulting in an efficient way for analyzing the maturation of the neuronal connectivity in small neuronal networks.
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Affiliation(s)
- Matthias Schürmann
- Cell Biology, Bielefeld University, Bielefeld, Germany
- Department of Otolaryngology, Head and Neck Surgery, Klinikum Bielefeld, Bielefeld, Germany
- * E-mail: (MS); (AT)
| | - Norman Shepheard
- Center for Spinelectronic Materials and Devices, Physics Department, Bielefeld University, Bielefeld, Germany
- Cognitronics and Sensor Systems, Cognitive Interaction Technology Center of Excellence, Bielefeld University, Bielefeld, Germany
| | - Natalie Frese
- Physics of Supramolecular Systems and Surfaces, Physics Department, Bielefeld University, Bielefeld, Germany
| | - Kevin Geishendorf
- Leibniz Institute for Solid State and Materials Research Dresden (IFW Dresden), Institute for Metallic Materials, Dresden, Germany
| | - Holger Sudhoff
- Department of Otolaryngology, Head and Neck Surgery, Klinikum Bielefeld, Bielefeld, Germany
| | - Armin Gölzhäuser
- Physics of Supramolecular Systems and Surfaces, Physics Department, Bielefeld University, Bielefeld, Germany
| | - Ulrich Rückert
- Cognitronics and Sensor Systems, Cognitive Interaction Technology Center of Excellence, Bielefeld University, Bielefeld, Germany
| | | | - Barbara Kaltschmidt
- Cell Biology, Bielefeld University, Bielefeld, Germany
- Molecular Neurobiology, Bielefeld University, Bielefeld, Germany
| | - Andy Thomas
- Center for Spinelectronic Materials and Devices, Physics Department, Bielefeld University, Bielefeld, Germany
- Leibniz Institute for Solid State and Materials Research Dresden (IFW Dresden), Institute for Metallic Materials, Dresden, Germany
- * E-mail: (MS); (AT)
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Kostarelos K, Vincent M, Hebert C, Garrido JA. Graphene in the Design and Engineering of Next-Generation Neural Interfaces. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29:1700909. [PMID: 28901588 DOI: 10.1002/adma.201700909] [Citation(s) in RCA: 87] [Impact Index Per Article: 12.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 05/31/2017] [Indexed: 05/24/2023]
Abstract
Neural interfaces are becoming a powerful toolkit for clinical interventions requiring stimulation and/or recording of the electrical activity of the nervous system. Active implantable devices offer a promising approach for the treatment of various diseases affecting the central or peripheral nervous systems by electrically stimulating different neuronal structures. All currently used neural interface devices are designed to perform a single function: either record activity or electrically stimulate tissue. Because of their electrical and electrochemical performance and their suitability for integration into flexible devices, graphene-based materials constitute a versatile platform that could help address many of the current challenges in neural interface design. Here, how graphene and other 2D materials possess an array of properties that can enable enhanced functional capabilities for neural interfaces is illustrated. It is emphasized that the technological challenges are similar for all alternative types of materials used in the engineering of neural interface devices, each offering a unique set of advantages and limitations. Graphene and 2D materials can indeed play a commanding role in the efforts toward wider clinical adoption of bioelectronics and electroceuticals.
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Affiliation(s)
- Kostas Kostarelos
- Nanomedicine Lab, Faculty of Biology Medicine & Health, National Graphene Institute, University of Manchester, AV Hill Building, Manchester, M13 9PT, U.K
| | - Melissa Vincent
- Nanomedicine Lab, Faculty of Biology Medicine & Health, National Graphene Institute, University of Manchester, AV Hill Building, Manchester, M13 9PT, U.K
| | - Clement Hebert
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, 08193, Barcelona, Spain
| | - Jose A Garrido
- Catalan Institute of Nanoscience and Nanotechnology (ICN2), CSIC and The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra, 08193, Barcelona, Spain
- ICREA, Pg. Lluís Companys 23, 08010, Barcelona, Spain
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Nicolas J, Hendriksen PJM, van Kleef RGDM, de Groot A, Bovee TFH, Rietjens IMCM, Westerink RHS. Detection of marine neurotoxins in food safety testing using a multielectrode array. Mol Nutr Food Res 2014; 58:2369-78. [DOI: 10.1002/mnfr.201400479] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Revised: 09/18/2014] [Accepted: 09/24/2014] [Indexed: 12/20/2022]
Affiliation(s)
- Jonathan Nicolas
- Division of Toxicology; Wageningen University; Wageningen The Netherlands
- RIKILT; Institute of Food Safety; Wageningen The Netherlands
| | | | - Regina G. D. M. van Kleef
- Neurotoxicology Research Group; Division of Toxicology; Institute for Risk Assessment Sciences (IRAS); Faculty of Veterinary Medicine; Utrecht University; Utrecht The Netherlands
| | - Aart de Groot
- Neurotoxicology Research Group; Division of Toxicology; Institute for Risk Assessment Sciences (IRAS); Faculty of Veterinary Medicine; Utrecht University; Utrecht The Netherlands
| | | | | | - Remco H. S. Westerink
- Neurotoxicology Research Group; Division of Toxicology; Institute for Risk Assessment Sciences (IRAS); Faculty of Veterinary Medicine; Utrecht University; Utrecht The Netherlands
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