Search Results - "Fowlkes, J Brian"

Safety considerations for shear-wave elastography of the infant brain by Fowlkes, J. Brian

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Stable and transient bubble formation in acoustically-responsive scaffolds by acoustic droplet vaporization: theory and application in sequential release by Aliabouzar, Mitra, Kripfgans, Oliver D., Wang, William Y., Baker, Brendon M., Brian Fowlkes, J., Fabiilli, Mario L.

“…•Ultrasound vaporizes the PFC phase in phase shift emulsions via ADV.•Classical nucleation theory predicted the stability of ADV-generated bubbles against…”
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Cavitation clouds created by shock scattering from bubbles during histotripsy by Maxwell, Adam D., Wang, Tzu-Yin, Cain, Charles A., Fowlkes, J. Brian, Sapozhnikov, Oleg A., Bailey, Michael R., Xu, Zhen

“…Histotripsy is a therapy that focuses short-duration, high-amplitude pulses of ultrasound to incite a localized cavitation cloud that mechanically breaks down…”
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Urethral tissue characterization using multiparametric ultrasound imaging by Tai, Haowei, Kalayeh, Kourosh, Ashton-Miller, James A., DeLancey, John O., Brian Fowlkes, J.

“…•Systematic assesses urethra via angle dependent/independent backscatter and texture analysis.•Selection of age dependent parameters associated with tissue…”
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Probability of Cavitation for Single Ultrasound Pulses Applied to Tissues and Tissue-Mimicking Materials by Maxwell, Adam D, Cain, Charles A, Hall, Timothy L, Fowlkes, J. Brian, Xu, Zhen

“…Abstract In this study, the negative pressure values at which inertial cavitation consistently occurs in response to a single, two-cycle, focused ultrasound…”
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Bubble nucleation and dynamics in acoustic droplet vaporization: a review of concepts, applications, and new directions by Aliabouzar, Mitra, Kripfgans, Oliver D., Brian Fowlkes, J., Fabiilli, Mario L.

“…The development of phase-shift droplets has broadened the scope of ultrasound-based biomedical applications. When subjected to sufficient acoustic pressures,…”
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Multi-time scale characterization of acoustic droplet vaporization and payload release of phase-shift emulsions using high-speed microscopy by Aliabouzar, Mitra, Kripfgans, Oliver D., Estrada, Jonathan B., Brian Fowlkes, J., Fabiilli, Mario L.

“…•Phase shift emulsions are used for the delivery of bioactive payloads to stimulate tissue regeneration via acoustic droplet vaporization (ADV).•We used…”
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Initial nucleation site formation due to acoustic droplet vaporization by Li, David S, Kripfgans, Oliver D, Fabiilli, Mario L, Brian Fowlkes, J, Bull, Joseph L

“…Acoustic droplet vaporization (ADV) is the selective vaporization of liquid microdroplets using ultrasound, resulting in gas bubbles. The ADV process has been…”
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Partial Volume Effect and Correction for 3-D Color Flow Acquisition of Volumetric Blood Flow by Kripfgans, Oliver D., Rubin, Jonathan M., Pinter, Stephen Z., Jago, James, Leichner, Ron, Brian Fowlkes, J.

“…Blood volume flow (VF) estimation is becoming an integral part of quantitative medical imaging. Three-dimensional color flow can be used to measure volumetric…”
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Three-dimensional US Fractional Moving Blood Volume: Validation of Renal Perfusion Quantification by Welsh, Alec W, Fowlkes, J Brian, Pinter, Stephen Z, Ives, Kimberly A, Owens, Gabe E, Rubin, Jonathan M, Kripfgans, Oliver D, Looney, Pádraig, Collins, Sally L, Stevenson, Gordon N

“…Background Three-dimensional (3D) fractional moving blood volume (FMBV) derived from 3D power Doppler US has been proposed for noninvasive approximation of…”
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The radial dynamics and acoustic emissions of phase-shift droplets are impacted by mechanical properties of tissue-mimicking hydrogels by Kaushik, Anuj, Abeid, Bachir A., Estrada, Jonathan B., Fowlkes, J. Brian, Fabiilli, Mario L., Aliabouzar, Mitra

“…[Display omitted] •The effect of the surrounding media properties on the radial dynamics and acoustic emissions of bubbles generated via acoustic droplet…”
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Histotripsy beyond the intrinsic cavitation threshold using very short ultrasound pulses: microtripsy by Kuang-Wei Lin, Yohan Kim, Maxwell, Adam D., Tzu-Yin Wang, Hall, Timothy L., Zhen Xu, Fowlkes, J. Brian, Cain, Charles

“…Histotripsy produces tissue fractionation through dense energetic bubble clouds generated by short, high-pressure, ultrasound pulses. Conventional histotripsy…”
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The 5:1 rule overestimates the needed tunnel length during ureteral reimplantation by Kalayeh, Kourosh, Brian Fowlkes, J., Schultz, William W., Sack, Bryan S.

“…Aims Paquin asserts that in order for ureterovesical junctions (UVJs) to prevent reflux, the ureteral tunnel length‐to‐diameter ratio needs to be 5:1. We…”
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Formation of toroidal bubbles from acoustic droplet vaporization by Li, David S, Kripfgans, Oliver D, Fabiilli, Mario L, Brian Fowlkes, J, Bull, Joseph L

“…Acoustic droplet vaporization (ADV) is the selective vaporization of liquid microdroplets using ultrasound to produce stable gas bubbles. ADV is the primary…”
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Coalescence of residual histotripsy cavitation nuclei using low-gain regions of the therapy beam during electronic focal steering by Lundt, Jonathan, Hall, Timothy, Rao, Akshay, Fowlkes, J Brian, Cain, Charles, Lee, Fred, Xu, Zhen

“…Following collapse of a histotripsy cloud, residual microbubbles may persist for seconds, distributed throughout the focus. Their presence can attenuate and…”
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An Efficient Treatment Strategy for Histotripsy by Removing Cavitation Memory by Wang, Tzu-Yin, Xu, Zhen, Hall, Timothy L, Fowlkes, J. Brian, Cain, Charles A

“…Abstract Cavitation memory effects occur when remnants of cavitation bubbles (nuclei) persist in the host medium and act as seeds for subsequent events. In…”
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Three-dimensional US for Quantification of Volumetric Blood Flow: Multisite Multisystem Results from within the Quantitative Imaging Biomarkers Alliance by Kripfgans, Oliver D, Pinter, Stephen Z, Baiu, Cristel, Bruce, Matthew F, Carson, Paul L, Chen, Shigao, Erpelding, Todd N, Gao, Jing, Lockhart, Mark E, Milkowski, Andy, Obuchowski, Nancy, Robbin, Michelle L, Rubin, Jonathan M, Zagzebski, James A, Fowlkes, J Brian

“…Background Quantitative blood flow (QBF) measurements that use pulsed-wave US rely on difficult-to-meet conditions. Imaging biomarkers need to be quantitative…”
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Ultrasound Biosafety Considerations for the Practicing Sonographer and Sonologist by Nelson, Thomas R, Fowlkes, J. Brian, Abramowicz, Jacques S, Church, Charles C

“…The purpose of this article is to present the practicing sonographer and sonologist with an overview of the biohazards of ultrasound and guidelines for safe…”
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Numerical Study of Bubble Area Evolution During Acoustic Droplet Vaporization-Enhanced HIFU Treatment by Xin, Ying, Zhang, Aili, Xu, Lisa X, Brian Fowlkes, J

“…Acoustic droplet vaporization has the potential to shorten treatment time of high-intensity focused ultrasound (HIFU) while minimizing the possible effects of…”
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Delivery of Chlorambucil Using an Acoustically-Triggered Perfluoropentane Emulsion by Fabiilli, Mario L, Haworth, Kevin J, Sebastian, Ian E, Kripfgans, Oliver D, Carson, Paul L, Fowlkes, J. Brian

“…Abstract Ultrasound-mediated delivery systems have mainly focused on microbubble contrast agents as carriers of drugs or genetic material. This study uses…”
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