Zobrazeno 1 - 10
of 59
pro vyhledávání: '"Alexandra Joshi‐Imre"'
Autor:
Rebecca A. Frederick, Ellen Shih, Vernon L. Towle, Alexandra Joshi-Imre, Philip R. Troyk, Stuart F. Cogan
Publikováno v:
Frontiers in Neuroscience, Vol 16 (2022)
Successful monitoring of the condition of stimulation electrodes is critical for maintaining chronic device performance for neural stimulation. As part of pre-clinical safety testing in preparation for a visual prostheses clinical trial, we evaluated
Externí odkaz:
https://doaj.org/article/aa6716d6fbbb4bdb99ae762a6fccef51
Autor:
Edgar Guerrero, Alexander Polednik, Melanie Ecker, Alexandra Joshi‐Imre, Wooyeol Choi, Gerardo Gutierrez‐Heredia, Walter E. Voit, Jimin Maeng
Publikováno v:
Advanced Electronic Materials, Vol 6, Iss 4, Pp n/a-n/a (2020)
Abstract Implementing stable electronic components on smart, soft materials can facilitate increasingly complex functionality in body‐worn and implanted devices for biomedical applications. The fabrication and characterization of indium–gallium
Externí odkaz:
https://doaj.org/article/eab10f02cd774a20a6b10aa70766d13c
Autor:
Christopher L. Frewin, Melanie Ecker, Alexandra Joshi-Imre, Jonathan Kamgue, Jeanneane Waddell, Vindhya Reddy Danda, Allison M. Stiller, Walter E. Voit, Joseph J. Pancrazio
Publikováno v:
Polymers, Vol 11, Iss 5, p 902 (2019)
Thiol-ene/acrylate-based shape memory polymers (SMPs) with tunable mechanical and thermomechanical properties are promising substrate materials for flexible electronics applications. These UV-curable polymer compositions can easily be polymerized ont
Externí odkaz:
https://doaj.org/article/00d649d6315f4c538b0396b4cf0ab15e
Autor:
Andrew J. Shoffstall, Melanie Ecker, Vindhya Danda, Alexandra Joshi-Imre, Allison Stiller, Marina Yu, Jennifer E. Paiz, Elizabeth Mancuso, Hillary W. Bedell, Walter E. Voit, Joseph J. Pancrazio, Jeffrey R. Capadona
Publikováno v:
Micromachines, Vol 9, Iss 10, p 486 (2018)
Thiol-ene based shape memory polymers (SMPs) have been developed for use as intracortical microelectrode substrates. The unique chemistry provides precise control over the mechanical and thermal glass-transition properties. As a result, SMP substrate
Externí odkaz:
https://doaj.org/article/f375cf110a284e479c2ef157d6ccd5bf
Autor:
Felix Deku, Christopher L. Frewin, Allison Stiller, Yarden Cohen, Saher Aqeel, Alexandra Joshi-Imre, Bryan Black, Timothy J. Gardner, Joseph J. Pancrazio, Stuart F. Cogan
Publikováno v:
Micromachines, Vol 9, Iss 10, p 480 (2018)
Microelectrode arrays that consistently and reliably record and stimulate neural activity under conditions of chronic implantation have so far eluded the neural interface community due to failures attributed to both biotic and abiotic mechanisms. Arr
Externí odkaz:
https://doaj.org/article/9ce9260082954fb3922a44ae74a01b30
Autor:
Allison M. Stiller, Joshua Usoro, Christopher L. Frewin, Vindhya R. Danda, Melanie Ecker, Alexandra Joshi-Imre, Kate C. Musselman, Walter Voit, Romil Modi, Joseph J. Pancrazio, Bryan J. Black
Publikováno v:
Micromachines, Vol 9, Iss 10, p 500 (2018)
Current intracortical probe technology is limited in clinical implementation due to the short functional lifetime of implanted devices. Devices often fail several months to years post-implantation, likely due to the chronic immune response characteri
Externí odkaz:
https://doaj.org/article/0cfbc154a2c943579cbb30ab0d15e6bd
Autor:
Alexandra Joshi-Imre, Sven Bauerdick
Publikováno v:
Journal of Nanotechnology, Vol 2014 (2014)
Patterning with a focused ion beam (FIB) is an extremely versatile fabrication process that can be used to create microscale and nanoscale designs on the surface of practically any solid sample material. Based on the type of ion-sample interaction ut
Externí odkaz:
https://doaj.org/article/df6405775e0f4b649fe3acfdc0fe6382
Autor:
Walter Voit, Stuart F. Cogan, Alexandra Joshi-Imre, Yutika Badhe, Ramyapriya Krishnasamy, Aldo Garcia-Sandoval, Pedro E. Rocha-Flores, Adriana C. Duran-Martinez
Publikováno v:
MRS Advances. 6:918-921
This paper reports the successful fabrication of softening polymer (SP)-based devices with inter-layer coatings for neural interface applications. SPs are flexible biocompatible polymers that soften upon implantation into the body, thus capable of re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e952d8a6c93f9718bf3d01d1d22f7429
https://doi.org/10.1557/s43580-021-00159-1
https://doi.org/10.1557/s43580-021-00159-1
Publikováno v:
J Biomed Mater Res B Appl Biomater
We have studied the charge-injection characteristics and electrochemical impedance of sputtered ruthenium oxide (RuO(x)) films as electrode coatings for neural stimulation and recording electrodes. RuO(x) films were deposited by reactive DC magnetron
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04ef3fd99e0ad3e56d6010bcb51aa8be
https://doi.org/10.1002/jbm.b.34906
https://doi.org/10.1002/jbm.b.34906
Publikováno v:
Annual International Conference of the IEEE Engineering in Medicine and Biology Society. IEEE Engineering in Medicine and Biology Society. Annual International Conference. 2021
We have investigated the charge-injection properties of sputtered ruthenium oxide (RuO
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e66d2d01d7c70b88ac64c884d0a37765
https://pubmed.ncbi.nlm.nih.gov/34892634
https://pubmed.ncbi.nlm.nih.gov/34892634