Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Anthony F. Bernhardt"'
Autor:
Anthony F. Bernhardt, Ronald L. Arenson, Vincent Malba, Fabio Settecase, Maythem Saeed, Leland B. Evans, Alastair J. Martin, Mark W. Wilson, Timothy P.L. Roberts, Steven W. Hetts
Publikováno v:
Academic Radiology. 18:270-276
Rationale and Objectives The aims of this study were to assess resistive heating of microwires used for remote catheter steering in interventional magnetic resonance imaging and to investigate the use of alumina to facilitate heat transfer to saline
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b146100821376a46733ad7d45a7abb50
https://doi.org/10.1016/j.acra.2010.09.010
https://doi.org/10.1016/j.acra.2010.09.010
Autor:
Christopher D. Harvey, Kristl L. Adams, Vince Malba, Anthony F. Bernhardt, Vasiliki Demas, Lee Evans, Julie L. Herberg, Robert S. Maxwell
Publikováno v:
Journal of Magnetic Resonance. 200:56-63
Nuclear magnetic resonance (NMR) offers a non-destructive, powerful, structure-specific analytical method for the identification of chemical and biological systems. The use of radio frequency (RF) microcoils has been shown to increase the sensitivity
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fa38b1b1993aeb1070896dc4232107d0
https://doi.org/10.1016/j.jmr.2009.06.003
https://doi.org/10.1016/j.jmr.2009.06.003
Autor:
Vincent Malba, Timothy P.L. Roberts, Ronald L. Arenson, Fabio Settecase, Walter Kucharczyk, Steven W. Hetts, Mark W. Wilson, Marshall S. Sussman, Anthony F. Bernhardt
Publikováno v:
Medical Physics. 34:3135-3142
Current applied to wire coils wound at the tip of an endovascular catheter can be used to remotely steer a catheter under magnetic resonance imaging guidance. In this study, we derive and validate an equation that characterizes the relationship betwe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::511a1b44e224b7a30fae8e2eef06133d
https://doi.org/10.1118/1.2750963
https://doi.org/10.1118/1.2750963
Autor:
Kin Yan, Robert S. Maxwell, Vincent Malba, Monique Cosman, Leland B. Evans, Anthony F. Bernhardt
Publikováno v:
Biomedical Microdevices. 5:21-27
A novel 3-dimensional laser-lathe process for manufacturing magnetic resonance microcoils is presented. The process has been used to print coils on a variety of materials, including glass and Teflon. The dimensions of these coils can be varied easily
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9eb20a4a909e385aeb410020d68c70b
https://doi.org/10.1023/a:1024407231584
https://doi.org/10.1023/a:1024407231584
Autor:
Vincent Malba, Anthony F. Bernhardt, Alastair J. Martin, R. Sincic, Daniel L Cooke, Steven W. Hetts, Erin J. Yee, Scott Goodfriend, Maythem Saeed, Jason Ni, Fabio Settecase, Neel Shah, Prasheel Lillaney, Curtis Caton, Aaron D. Losey, Lee Evans, Mark W. Wilson
Publikováno v:
Biomedical microdevices, vol 16, iss 1
Magnetic resonance imaging (MRI) guided minimally invasive interventions are an emerging technology. We developed a microcatheter that utilizes micro-electromagnets manufactured on the distal tip, in combination with the magnetic field of a MRI scann
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c2d10545647e6883c4dc751861c233db
https://escholarship.org/uc/item/44p2m0f1
https://escholarship.org/uc/item/44p2m0f1
Publikováno v:
International Journal of RF and Microwave Computer-Aided Engineering. 11:285-300
An RF low phase noise voltage-controlled oscillator is implemented with micromachined IC-compatible variable capacitors and three-dimensional coil inductor. Unlike conventional on-chip passive devices, the micromachined variable capacitors achieve a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bab4a3885495d56005ce4b8da0790e24
https://doi.org/10.1002/mmce.1037
https://doi.org/10.1002/mmce.1037
Publikováno v:
Thin Solid Films. 305:26-29
We examined the vapor deposition of polyimide produced by co-evaporation of pyromellitic dianhydride and oxydianiline. Using internal reflectance spectroscopy and prism coupling techniques, we monitored the effects of varying relative monomer fluxes
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::283264afcf7588e578d145c8ab8e2ee7
https://doi.org/10.1016/s0040-6090(97)00117-x
https://doi.org/10.1016/s0040-6090(97)00117-x
Publikováno v:
Journal of Vacuum Science & Technology A: Vacuum, Surfaces, and Films. 15:844-849
We report the high-throughput vapor deposition polymerization (VDP) of smooth, uniform polyimide films for microelectronic applications. Using infrared (IR) spectroscopy, waveguiding refractive index measurements, atomic force microscopy, and matrix
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::414215136ce2ef6d92c5eb7b9bf4664b
https://doi.org/10.1116/1.580718
https://doi.org/10.1116/1.580718
Autor:
Anthony F. Bernhardt, R. Sincic, Steven W. Hetts, Erin J. Yee, Prasheel Lillaney, Aaron D. Losey, Mark W. Wilson, Vincent Malba, Loi Do, M. Saeed, Leland B. Evans, Alastair J. Martin, Ronald L. Arenson, Fabio Settecase, Shuvo Roy
Publikováno v:
AJNR. American journal of neuroradiology, vol 34, iss 11
BACKGROUND AND PURPOSE: Endovascular navigation under MR imaging guidance can be facilitated by a catheter with steerable microcoils on the tip. Not only do microcoils create visible artifacts allowing catheter tracking, but also they create a small
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17a9f671966309f321b1d880e7d8ad3d
https://escholarship.org/uc/item/28h4d3vs
https://escholarship.org/uc/item/28h4d3vs