Search Results - "MORGAN, KAREN E"

Experimental and theoretical evaluation of microbubble behavior: effect of transmitted phase and bubble size by Morgan, K.E., Allen, J.S., Dayton, P.A., Chomas, J.E., Klibaov, A.L., Ferrara, K.W.

“…Ultrasound contrast agents provide new opportunities to image vascular volume and flow rate directly. To accomplish this goal, new pulse sequences can be…”
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Optical and acoustical observations of the effects of ultrasound on contrast agents by Dayton, P.A., Morgan, K.E., Klibanov, A.L., Brandenburger, G.H., Ferrara, K.W.

“…Optimal use of encapsulated microbubbles for ultrasound contrast agents and drug delivery requires an understanding of the complex set of phenomena that affect…”
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A preliminary evaluation of the effects of primary and secondary radiation forces on acoustic contrast agents by Dayton, P.A., Morgan, K.E., Klibanov, A.L., Brandenburger, G., Nightingale, K.R., Ferrara, K.W.

“…Primary and secondary radiation forces result from pressure gradients in the incident and scattered ultrasonic fields. These forces and their dependence on…”
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Direct Video-Microscopic Observation of the Dynamic Effects of Medical Ultrasound on Ultrasound Contrast Microspheres by KLIBANOV, ALEXANDER L, FERRARA, KATHERINE W, HUGHES, MICHAEL S, WIBLE, JAMES H, WOJDYLA, JOLETTE K, DAYTON, PAUL A, MORGAN, KAREN E, BRANDENBURGER, GARY H

“…RATIONALE AND OBJECTIVES.Ultrasound can cause destruction of microbubble contrast agents used to enhance medical ultrasound imaging. This study sought to…”
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Changes in the echoes from ultrasonic contrast agents with imaging parameters by Morgan, K.E., Dayton, P.A., Kruse, D.E., Klibanov, A.L., Brandenburger, G.H., Ferrara, K.W.

“…Current harmonic imaging scanners transmit a narrowband signal that limits spatial resolution in order to differentiate the echoes from tissue from the echoes…”
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Wideband sub-forcing harmonic phase inversion imaging by Morgan, K.E., Allen, J.S., Ferrara, K.W.

“…A new imaging technique is proposed which presents a significant new opportunity to differentiate bubble echoes from tissue echoes while maintaining maximum…”
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Ultrasound contrast agents phagocytosed by neutrophils demonstrate acoustic activity by Dayton, P.A., Lindner, J.R., Chomas, J.E., Morgan, K.E., Simon, S., Lum, A., May, D., Coggins, M.P., Ferrara, K.W.

“…Ultrasound contrast agents are microbubbles composed of a thin lipid or albumin shell filled with air or a high molecular weight gas. These microbubbles are…”
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Effects of pulse width, phase, and intensity on echoes from ultrasound contrast agents by Morgan, Karen E., Dayton, Paul A., Ferrara, Katherine W., Klibanov, Alexander L., Brandenburger, Gary H.

“…Contrast-assisted imaging shows great promise for the imaging of microvascular perfusion, although current techniques cannot differentiate the echoes from…”
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Experimental and theoretical analysis of individual contrast agent behavior by Morgan, K.E., Allen, J.S., Chomas, J.E., Dayton, P.A., Ferrara, K.W.

“…An improved understanding of contrast agent behavior may yield more sophisticated bubble detection techniques. In this study, the optical measurements of…”
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