Search Results - "Kruger, R A"

Breast cancer in vivo: contrast enhancement with thermoacoustic CT at 434 MHz-feasibility study by Kruger, R A, Miller, K D, Reynolds, H E, Kiser, Jr, W L, Reinecke, D R, Kruger, G A

“…The authors performed thermoacoustic computed tomography (CT) with 434-MHz radio waves in five patients with documented breast cancer. Three of the patients…”
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A characterisation of the surface properties of an ultra fine fly ash (UFFA) used in the polymer industry by Potgieter-Vermaak, S.S., Potgieter, J.H., Kruger, R.A., Spolnik, Z., van Grieken, R.

“…Fly ash is the residue from the combustion of pulverised coal in thermal power stations. It consists of a variety of particle sizes of hollow silica-alumina…”
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Thermoacoustic CT with radio waves: a medical imaging paradigm by Kruger, R A, Kopecky, K K, Aisen, A M, Reinecke, D R, Kruger, G A, Kiser, Jr, W L

“…The authors evaluated images obtained with a prototypic thermoacoustic computed tomographic (CT) scanner constructed for use at 434 MHz, a promising radio…”
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Establishing the incidence of myelodysplastic syndrome by Williamson, P J, Kruger, A R, Reynolds, P J, Hamblin, T J, Oscier, D G

“…We studied the incidence of myelodysplastic syndrome (MDS) in a population served by one district general hospital over a 10-year period (1981-90). Cases were…”
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Laser-based ultrasound detection using photorefractive quantum wells by Lahiri, I., Pyrak-Nolte, L. J., Nolte, D. D., Melloch, M. R., Kruger, R. A., Bacher, G. D., Klein, M. B.

“…We demonstrate a laser-based adaptive ultrasonic homodyne receiver using dynamic holography in AlGaAs/GaAs photorefractive multiple quantum wells. The dynamic…”
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The Significance of the Concepts "Elemental" and "Fundamental" in Didactic Theory and Practice by Kruger, R. A

“…The "elemental" refers to the essentials of the contents that make them accessible to a child. The effects on a child of contents that are mastered are the…”
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Thermoacoustic computed tomography–technical considerations by Kruger, Robert A., Reinecke, Daniel R., Kruger, Gabe A.

“…We have constructed a thermoacoustic computed tomography scanner for imaging soft tissue in the human body. Thermoacoustic signals are induced in soft tissue…”
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Thermoacoustic computed tomography of the breast at 434 MHz by Kruger, R.A., Kiser, W.L., Reinecke, D.R., Kruger, G.A., Eisenhart, R.L.

“…The authors have constructed a thermoacoustic tomography (TACT) imaging device for mapping the three-dimensional absorption of 434 MHz radiowaves in the human…”
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Photoacoustic ultrasound (PAUS)--reconstruction tomography by Kruger, R A, Liu, P, Fang, Y R, Appledorn, C R

“…The theoretical underpinnings of photoacoustic ultrasound (PAUS) reconstruction tomography are presented. A formal relationship between PAUS signals and the…”
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Transillumination imaging performance: a time-of-flight imaging system by Hebden, J C, Kruger, R A

“…A series of Monte Carlo simulations have been performed in order to investigate the feasibility of constructing a time-of-flight transillumination imaging…”
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Image intensifier-based computed tomography volume scanner for angiography by Ning, R, Kruger, R A

“…A prototype volume computed tomography (CT) system for use in angiography was designed, constructed, and tested. The system consisted of a fixed X-ray tube, a…”
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Scatter estimation for a digital radiographic system using convolution filtering by Love, L A, Kruger, R A

“…The use of a convolution-filtering method to estimate the scatter distribution in images acquired with a digital subtraction angiography (DSA) imaging system…”
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Potential role for concurrent abnormalities of the cyclin D1, p16CDKN2 and p15CDKN2B genes in certain B cell non-Hodgkin's lymphomas. Functional studies in a cell line (Granta 519) by JADAYEL, D. M, LUKAS, J, CATOVSKY, D, NACHEVA, E, BARTKOVA, J, STRANKS, G, DE SCHOUWER, P. J. J. C, LENS, D, BARTEK, J, DYER, M. J. S, KRUGER, A. R

“…Abnormalities of several cell-cycle regulatory genes including cyclin D1, p16CDKN2 and p15CDKN2B have been described in B cell non-Hodgkin's lymphoma (B-NHL)…”
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Transillumination imaging performance: spatial resolution simulation studies by Hebden, J C, Kruger, R A

“…Monte Carlo calculations were used to simulate the propagation of visible and near-infrared light through homogenous tissue in order to quantitate the…”
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Volume detection threshold: quantitative comparison of computed radiography and screen-film radiography in detection of pneumothoraces in an animal model that simulates the neonate by Don, S, Cohen, M D, Kruger, R A, Winkler, T A, Katz, B P, Li, W, Dreesen, R G, Kennan, N, Tarver, R, Klatte, E C

“…To quantitatively compare computed radiography (CR) and screen-film radiography (SFR) in the detection of pneumothorax in an animal model that simulates the…”
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Intravenous digital subtraction: a summary of recent developments by Riederer, S J, Kruger, R A

“…Recent developments in digital subtraction angiographic imaging are discussed. The technical characteristics of several alternate subtraction methods are…”
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Thermoacoustic CT by Kruger, R.A., Kiser, W.L., Miller, K.D., Reynolds, H.E., Reinecke, D.R., Kruger, G.A., Hofacker, P.J.

“…We have developed instrumentation for measuring the tissue-absorption properties of radio waves in the human body using thermoacoustic interactions. The…”
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Salvage autotransfusion in aortic surgery: initial studies using a disposable reservoir by Clifford, P C, Kruger, A R, Smith, A, Chant, A D, Webster, J H

“…Transmission of disease by allogeneic transfusion can be avoided using several techniques by which a patient receives his own blood. Sixty patients undergoing…”
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Photoacoustic ultrasound by Kruger, R A

“…Differential absorption has been detected and localized in three-dimensions by recording the photoacoustic pulses that were produced when short-duration…”
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An electrodeless measuring technique for determining conductivity of biological tissues at radio frequencies by Li, L, Kruger, R A

“…An electrodeless measuring technique for determining the conductivity of biological tissues at radio frequencies is described. The technique is based on…”
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