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501
Genetic Modulation at the Neural Microelectrode Interface: Methods and Applications
Published 2018-09-01“…The use of implanted microelectrode arrays (MEAs), in the brain, has enabled a greater understanding of neural function, and new treatments for neurodegenerative diseases and psychiatric disorders. …”
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502
Enhancement of cortical network activity in vitro and promotion of GABAergic neurogenesis by stimulation with an electromagnetic field with a 150 MHz carrier wave pulsed with an al...
Published 2015-07-01“…Applications of electromagnetic fields to brain tissue have been shown to affect cellular properties and their importance for therapies in medicine is recognized.In this study, differentiating murine cortical networks on multiwell microelectrode arrays were repeatedly exposed to an extremely low electromagnetic field (ELEMF) with alternating 10 and 16 Hz frequencies piggy-backed onto a 150 MHz carrier frequency. …”
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503
Recent Progress on Non-Conventional Microfabricated Probes for the Chronic Recording of Cortical Neural Activity
Published 2019-03-01“…While various cortical microelectrode arrays have been extensively and successfully demonstrated in animal and clinical studies, there remains room for further improvement of the probe structure, materials, and fabrication technology, particularly for high-fidelity recording in chronic implantation. …”
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504
In Vitro Cytotoxicity of D18 and Y6 as Potential Organic Photovoltaic Materials for Retinal Prostheses
Published 2022-08-01“…We also assessed electrophysiological recordings on mouse retinal explants via microelectrode arrays (MEAs) coated with D18/Y6. In contrast to PFN-Br and PDIN, all in vitro experiments show no cytotoxicity of D18 and Y6 alone or as a D18/Y6 mixture. …”
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505
Scale-invariant neuronal avalanche dynamics and the cut-off in size distributions.
Published 2014-01-01“…The local field potential (LFP) was recorded from premotor and prefrontal cortices in two awake macaque monkeys during rest using chronically implanted 96-microelectrode arrays. Negative deflections in the LFP (nLFP) were identified on the full as well as compact sub-regions of the array quantified by the number of electrodes N (10-95), i.e., the window size. …”
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506
Adult mouse dorsal root ganglia neurons form aberrant glutamatergic connections in dissociated cultures.
Published 2021-01-01“…DRG neurons were grown on microelectrode arrays (MEA) to induce stimulus-evoked activity with a modality-free stimulation strategy. …”
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507
A New Model to Perform Electrophysiological Studies in the Early Embryonic Mouse Heart
Published 2013-07-01“…Methods and Results: For our studies we used substrate-integrated Microelectrode Arrays combined with newly developed stimulation electrodes to perform electrophysiological studies in these hearts. …”
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508
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L-Type Calcium Channel Inhibition Contributes to the Proarrhythmic Effects of Aconitine in Human Cardiomyocytes.
Published 2017-01-01“…Lastly, increased beating frequency, decreased Ca2+ wave and shortened field potential duration were recorded from hiPSC-CMs by microelectrode arrays assay. In summary, our data demonstrated that LTCC inhibition could play a main role in the proarrhythmic action of ACO in human cardiomyocytes.…”
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510
Slow conduction in mixed cultured strands of primary ventricular cells and stem cell-derived cardiomyocytes
Published 2015-09-01“…Murine embryonic SCMs were pooled with fetal ventricular cells and seeded in predefined proportions on microelectrode arrays to form patterned strands of mixed cells. …”
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511
Stretchable and Transparent Metal Nanowire Microelectrodes for Simultaneous Electrophysiology and Optogenetics Applications
Published 2021-06-01“…The resulting Ag NW interface exhibits a low sheet resistance (R<sub>sh</sub>) of 1.52–4.35 Ω sq<sup>−1</sup>, an advantageous normalized electrochemical impedance of 3.78–6.04 Ω cm<sup>2</sup>, a high optical transparency of 61.3–80.5% at 550 nm and a stretchability of 40%. The microelectrode arrays (MEAs) fabricated with this approach exhibit uniform electrochemical performance across all channels. …”
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512
Evidence for a critical role of catecholamines for cardiomyocyte lineage commitment in murine embryonic stem cells.
Published 2013-01-01“…Proliferation was analyzed by EB cross-section measurements, while functionality of cardiomyocytes was studied by extracellular field potential (FP) measurements using microelectrode arrays (MEAs). To further differentiate between substance-specific effects of reserpine and catecholamine action via α- and β-receptors we proved the involvement of adrenergic receptors by application of unspecific α- and β-receptor antagonists. …”
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513
Comparative study between radiofrequency-induced and muscimol-induced inhibition of cultured networks of cortical neuron.
Published 2022-01-01“…Previous studies have shown that spontaneously active cultured networks of cortical neuron grown planar microelectrode arrays are sensitive to radiofrequency (RF) fields and exhibit an inhibitory response more pronounced as the exposure time and power increase. …”
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514
Spatiotemporally controlled cardiac conduction block using high-frequency electrical stimulation.
Published 2012-01-01“…METHODOLOGY/PRINCIPAL FINDINGS: We investigated the effects of broader amplitude and frequency ranges on the inhibitory effects of extracellular AC stimulation on HL-1 cardiomyocytes cultured on microelectrode arrays, using both sinusoidal and square waveforms. …”
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515
Mutation of the protein kinase C site in borna disease virus phosphoprotein abrogates viral interference with neuronal signaling and restores normal synaptic activity.
Published 2009-05-01“…Finally, activity-dependent modulation of synaptic activity was restored, as assessed by measuring calcium dynamics in response to depolarization and the electrical properties of neuronal networks grown on microelectrode arrays. Therefore, preventing P phosphorylation by PKC abolishes viral interference with neuronal activity in response to stimulation. …”
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516
Chronic stability of single-channel neurophysiological correlates of gross and fine reaching movements in the rat.
Published 2019-01-01“…In each animal, two chronic microelectrode arrays were implanted in motor cortex spanning the caudal forelimb area (rodent primary motor cortex) and the rostral forelimb area (rodent premotor cortex). …”
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517
Contribution of LFP dynamics to single neuron spiking variability in motor cortex during movement execution
Published 2015-06-01“…Neural activity was recorded via microelectrode arrays implanted in ventral and dorsal premotor and primary motor cortices of non-human primates performing naturalistic 3-D reaching and grasping actions. …”
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518
Contribution of GABAergic interneurons to the development of spontaneous activity patterns in cultured neocortical networks
Published 2010-06-01“…Here we present the results of long-term monitoring of spontaneous electrical activity of cultured networks growing on microelectrode arrays and the time course of changes in GABA action using calcium imaging. …”
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519
Portrait of intense communications within microfluidic neural networks
Published 2023-07-01“…Toward that aim, microelectrode arrays have enabled the monitoring of the short- and mid-term evolution of neuron activation over the culture period at specific locations in organized (microfluidic) and random (control) networks. …”
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520
Utilizing novel TBI-on-a-chip device to link physical impacts to neurodegeneration and decipher primary and secondary injury mechanisms
Published 2022-07-01“…In response, we have developed an in vitro pendulum trauma model capable of imparting rapid acceleration injuries to neuronal networks grown on microelectrode arrays within a clinically relevant range of g forces, with real-time electrophysiological and morphological monitoring. …”
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