Search Results - "Chapman, Christopher R."

Nanoporous Gold as a Neural Interface Coating: Effects of Topography, Surface Chemistry, and Feature Size by Chapman, Christopher A. R, Chen, Hao, Stamou, Marianna, Biener, Juergen, Biener, Monika M, Lein, Pamela J, Seker, Erkin

“…Designing neural interfaces that maintain close physical coupling of neurons to an electrode surface remains a major challenge for both implantable and in…”
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Searching for a feeling once felt: narratives of alcohol and health among Japanese immigrants in Hawaiʻi by Chapman, Christopher R.

“…This paper discusses notions of health in alcohol use among new Japanese immigrants in a Japanese pub in Honolulu, Hawaiʻi. Japanese-style pubs are a space…”
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Nanoporous Gold Biointerfaces: Modifying Nanostructure to Control Neural Cell Coverage and Enhance Electrophysiological Recording Performance by Chapman, Christopher A. R., Wang, Ling, Chen, Hao, Garrison, Joshua, Lein, Pamela J., Seker, Erkin

“…Nanostructured neural interface coatings have significantly enhanced recording fidelity in both implantable and in vitro devices. As such, nanoporous gold…”
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Mechanisms of Reduced Astrocyte Surface Coverage in Cortical Neuron-Glia Co-cultures on Nanoporous Gold Surfaces by Chapman, Christopher A. R., Chen, Hao, Stamou, Marianna, Lein, Pamela J., Seker, Erkin

“…Nanoporous gold (np-Au) is a promising multifunctional material for neural electrodes. We have previously shown that np-Au nanotopography reduces astrocyte…”
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Multifunctional Neural Interfaces for Closed‐Loop Control of Neural Activity by Chapman, Christopher A. R., Goshi, Noah, Seker, Erkin

“…Microfabrication and nanotechnology have significantly expanded the technological capabilities for monitoring and modulating neural activity with the goal of…”
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Engineering on-chip nanoporous gold material libraries via precision photothermal treatment by Chapman, Christopher A R, Wang, Ling, Biener, Juergen, Seker, Erkin, Biener, Monika M, Matthews, Manyalibo J

“…Libraries of nanostructured materials on a single chip are a promising platform for high throughput and combinatorial studies of structure-property…”
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Stretchable, Fully Polymeric Electrode Arrays for Peripheral Nerve Stimulation by Cuttaz, Estelle A., Chapman, Christopher A. R., Syed, Omaer, Goding, Josef A., Green, Rylie A.

“…There is a critical need to transition research level flexible polymer bioelectronics toward the clinic by demonstrating both reliability in fabrication and…”
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Drinking Embodied: Gift, Commodity, and the Construction of Transnational Japanese Identity in Honolulu by Chapman, Christopher R.

“…This paper explores social identity through the rituals and exchange networks of alcohol among new Japanese immigrants (shin-issei) in a Japanese-style pub…”
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Mind the gap: State-of-the-art technologies and applications for EEG-based brain–computer interfaces by Portillo-Lara, Roberto, Tahirbegi, Bogachan, Chapman, Christopher A. R., Goding, Josef A., Green, Rylie A.

“…Brain–computer interfaces (BCIs) provide bidirectional communication between the brain and output devices that translate user intent into function. Among the…”
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Nanostructure Introduces Artifacts in Quantitative Immunofluorescence by Influencing Fluorophore Intensity by Chapman, Christopher A. R., Zhu, Xiangchao, Chen, Hao, Yanik, Ahmet A., Lein, Pamela J., Seker, Erkin

“…Quantitative analysis of fluorescence signals from cells reacted with fluorescently labeled probes is a widely-used method for assessing cell biology. This…”
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Flexible Networks of Patterned Conducting Polymer Nanowires for Fully Polymeric Bioelectronics by Chapman, Christopher A. R., Cuttaz, Estelle A., Tahirbegi, Bogachan, Novikov, Alexey, Petkos, Konstantinos, Koutsoftidis, Simos, Drakakis, Emmanuel M., Goding, Josef A., Green, Rylie A.

“…Patterning of conducting polymers (CPs) into fully functioning devices remains a challenge for the creation of polymeric bioelectronics. Presently, the most…”
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Substrate topography guides pore morphology evolution in nanoporous gold thin films by Chapman, Christopher A.R., Daggumati, Pallavi, Gott, Shannon C., Rao, Masaru P., Seker, Erkin

“…[Display omitted] This paper illustrates the effect of substrate topography on morphology evolution in nanoporous gold (np-Au) thin films. One micron-high…”
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Trends and epidemiology of radial head subluxation in the United States from 2004 to 2018 by Zhou, Jack J., Shah, Neil V., Scheer, Ryan C., Newman, Jared M., Hariri, Omar K., Tretiakov, Mikhail, Koehler, Steven M., Hesham, Khalid, Aibinder, William R., Chapman, Christopher R.

“…Background Increased body mass may predispose children to a greater risk for radial head subluxation (RHS). Recent studies in the literature have reported a…”
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Model-based geometrical optimisation and in vivo validation of a spatially selective multielectrode cuff array for vagus nerve neuromodulation by Aristovich, Kirill, Donega, Matteo, Fjordbakk, Cathrine, Tarotin, Ilya, Chapman, Christopher A.R., Viscasillas, Jaime, Stathopoulou, Thaleia-Rengina, Crawford, Abbe, Chew, Daniel, Perkins, Justin, Holder, David

“…•A method for geometric optimisation of neural cuff interfaces is presented.•Multi-electrode cuff array for selective vagus nerve stimulation was…”
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Biomechanical evaluation of the Nice knot by Hill, Shannon, Chapman, Christopher, Adeeb, Samer, Duke, Kajsa, Beaupre, Lauren, Bouliane, Martin

“…Background: The Nice knot is a bulky double-stranded knot. Biomechanical data supporting its use as well as the number of half hitches required to ensure knot…”
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Electrode fabrication and interface optimization for imaging of evoked peripheral nervous system activity with electrical impedance tomography (EIT) by Chapman, Christopher A R, Aristovich, Kirill, Donega, Matteo, Fjordbakk, Cathrine T, Stathopoulou, Thaleia-Rengina, Viscasillas, Jaime, Avery, James, Perkins, Justin D, Holder, David

“…Non-invasive imaging techniques are undoubtedly the ideal methods for continuous monitoring of neural activity. One such method, fast neural electrical…”
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Electroactive Polymers for On‐Demand Drug Release by Alkahtani, Manal E., Elbadawi, Moe, Chapman, Christopher A. R., Green, Rylie A., Gaisford, Simon, Orlu, Mine, Basit, Abdul W.

“…Conductive materials have played a significant role in advancing society into the digital era. Such materials are able to harness the power of electricity and…”
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Polymer Bioelectronics: A Solution for Both Stimulating and Recording Electrodes by Cuttaz, Estelle A., Bailey, Zachary K., Chapman, Christopher A. R., Goding, Josef A., Green, Rylie A.

“…The advent of closed‐loop bionics has created a demand for electrode materials that are ideal for both stimulating and recording applications. The growing…”
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Optimisation of bioimpedance measurements of neuronal activity with an ex vivo preparation of Cancer pagurus peripheral nerves by Chapman, Christopher A.R., Smith, Trevor M., Kelly, Max, Avery, James, Rouanet, Theo, Aristovich, Kirill, Chew, Daniel J., Holder, David S.

“…[Display omitted] •Physiological parameters for the crab walking leg nerve model of an unmyelinated fibre were optimised resulting in improved nerve…”
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Preparation of Rat Sciatic Nerve for Ex Vivo Neurophysiology by Rapeaux, Adrien, Syed, Omaer, Cuttaz, Estelle, Chapman, Christopher A R, Green, Rylie A, Constandinou, Timothy G

“…Ex vivo preparations enable the study of many neurophysiological processes in isolation from the rest of the body while preserving local tissue structure. This…”
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