Search Results - "Eles, James R."
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ROS responsive resveratrol delivery from LDLR peptide conjugated PLA-coated mesoporous silica nanoparticles across the blood-brain barrier
Published in Journal of nanobiotechnology (13-02-2018)“…Oxidative stress acts as a trigger in the course of neurodegenerative diseases and neural injuries. An antioxidant-based therapy can be effective to ameliorate…”
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Calcium activation of cortical neurons by continuous electrical stimulation: Frequency dependence, temporal fidelity, and activation density
Published in Journal of neuroscience research (01-05-2019)“…Electrical stimulation of the brain has become a mainstay of fundamental neuroscience research and an increasingly prevalent clinical therapy. Despite decades…”
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Explant Analysis of Utah Electrode Arrays Implanted in Human Cortex for Brain-Computer-Interfaces
Published in Frontiers in bioengineering and biotechnology (07-12-2021)“…Brain-computer interfaces are being developed to restore movement for people living with paralysis due to injury or disease. Although the therapeutic potential…”
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4
A Materials Roadmap to Functional Neural Interface Design
Published in Advanced functional materials (21-03-2018)“…Advancements in neurotechnologies for electrophysiology, neurochemical sensing, neuromodulation, and optogenetics are revolutionizing scientific understanding…”
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In vivo imaging of calcium and glutamate responses to intracortical microstimulation reveals distinct temporal responses of the neuropil and somatic compartments in layer II/III neurons
Published in Biomaterials (01-03-2020)“…Intracortical microelectrode implants can generate a tissue response hallmarked by glial scarring and neuron cell death within 100–150 μm of the biomaterial…”
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In vivo spatiotemporal patterns of oligodendrocyte and myelin damage at the neural electrode interface
Published in Biomaterials (01-01-2021)“…Intracortical microelectrodes with the ability to detect intrinsic electrical signals and/or deliver electrical stimulation into local brain regions have been…”
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Unique electrophysiological and impedance signatures between encapsulation types: An analysis of biological Utah array failure and benefit of a biomimetic coating in a rat model
Published in Biomaterials (01-04-2018)“…Intracortical microelectrode arrays, especially the Utah array, remain the most common choice for obtaining high dimensional recordings of spiking neural…”
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In vivo spatiotemporal dynamics of astrocyte reactivity following neural electrode implantation
Published in Biomaterials (01-10-2022)“…Brain computer interfaces (BCIs), including penetrating microelectrode arrays, enable both recording and stimulation of neural cells. However, device…”
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Neuroadhesive L1 coating attenuates acute microglial attachment to neural electrodes as revealed by live two-photon microscopy
Published in Biomaterials (01-01-2017)“…Abstract Implantable neural electrode technologies for chronic neural recordings can restore functional control to paralysis and limb loss victims through…”
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Multi-scale, multi-modal analysis uncovers complex relationship at the brain tissue-implant neural interface: new emphasis on the biological interface
Published in Journal of neural engineering (01-06-2018)“…Implantable neural electrode devices are important tools for neuroscience research and have an increasing range of clinical applications. However, the…”
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In vivo imaging of neuronal calcium during electrode implantation: Spatial and temporal mapping of damage and recovery
Published in Biomaterials (01-08-2018)“…Implantable electrode devices enable long-term electrophysiological recordings for brain-machine interfaces and basic neuroscience research. Implantation of…”
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In vivo microstimulation with cathodic and anodic asymmetric waveforms modulates spatiotemporal calcium dynamics in cortical neuropil and pyramidal neurons of male mice
Published in Journal of neuroscience research (01-10-2020)“…Electrical stimulation has been critical in the development of an understanding of brain function and disease. Despite its widespread use and obvious clinical…”
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13
Hierarchically aligned fibrous hydrogel films through microfluidic self‐assembly of graphene and polysaccharides
Published in Biotechnology and bioengineering (01-10-2018)“…Despite significant interest in developing extracellular matrix (ECM)‐inspired biomaterials to recreate native cell‐instructive microenvironments, the major…”
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Two-photon imaging of chronically implanted neural electrodes: Sealing methods and new insights
Published in Journal of neuroscience methods (30-01-2016)“…•Silastic sealants limit cell infiltration into the craniotomy and improve image clarity.•Low concentration hydrogel sealants failed to prevent cell…”
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The temporal pattern of intracortical microstimulation pulses elicits distinct temporal and spatial recruitment of cortical neuropil and neurons
Published in Journal of neural engineering (01-02-2021)“…The temporal spacing or distribution of stimulation pulses in therapeutic neurostimulation waveforms-referred to here as the Temporal Pattern (TP)-has emerged…”
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Intracortical microstimulation pulse waveform and frequency recruits distinct spatiotemporal patterns of cortical neuron and neuropil activation
Published in Journal of neural engineering (31-03-2022)“… Neural prosthetics often use intracortical microstimulation (ICMS) for sensory restoration. To restore natural and functional feedback, we must first…”
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Electrode sharpness and insertion speed reduce tissue damage near high-density penetrating arrays
Published in Journal of neural engineering (01-04-2024)“… Over the past decade, neural electrodes have played a crucial role in bridging biological tissues with electronic and robotic devices. This study focuses on…”
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Inhibition of Na + /H + exchanger modulates microglial activation and scar formation following microelectrode implantation
Published in Journal of neural engineering (19-03-2021)“…Intracortical microelectrodes are an important tool for neuroscience research and have great potential for clinical use. However, the use of microelectrode…”
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Zwitterionic Polymer Coating Suppresses Microglial Encapsulation to Neural Implants In Vitro and In Vivo
Published in Advanced biosystems (01-06-2020)“…For brain computer interfaces (BCI), the immune response to implanted electrodes is a major biological cause of device failure. Bioactive coatings such as…”
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