Search Results - "Secomski, W."

Impact of thermal effects induced by ultrasound on viability of rat C6 glioma cells by Kujawska, T., Secomski, W., Bilmin, K., Nowicki, A., Grieb, P.

“…•Relationship between ultrasound energy delivered to a region of rat C6 glioma cells in vitro and their vitality was found.•Estimation of temperature rise…”
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Influence of the ultrasound transducer bandwidth on selection of the complementary Golay bit code length by Nowicki, A., Trots, I., Lewin, P.A., Secomski, W., Tymkiewicz, R.

“…In contrast to previously published papers [A. Nowicki, Z. Klimonda, M. Lewandowski, J. Litniewski, P.A. Lewin, I. Trots, Comparison of sound fields generated…”
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Estimation of ultrasonic attenuation in a bone using coded excitation by Nowicki, A., Litniewski, J., Secomski, W., Lewin, P.A., Trots, I.

“…This paper describes a novel approach to estimate broadband ultrasound attenuation (BUA) in a bone structure in human in vivo using coded excitation. BUA is an…”
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Skin imaging with high frequency ultrasound — preliminary results by Szymańska, E, Nowicki, Andrzej, Mlosek, K, Litniewski, J, Lewandowski, M, Secomski, W, Tymkiewicz, R

“…This study presents the detailed construction and the principle of performance of high frequency (HF) ultrasound scanner for skin examination. The aim of this…”
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5-Aminolevulinic acid-mediated sonosensitization of rat RG2 glioma cells in vitro by Bilmin, K, Kujawska, T, Secomski, W, Nowicki, A, Grieb, P

“…Sonodynamic therapy (SDT) is a promising technique based on the ability of certain substances, called sonosensitizers, to sensitize cancer cells to non-thermal…”
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Multitone nonlinear coding by Nowicki, A., Wojcik, J., Secomski, W.

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High frequency imaging using coded golay transmission by Nowicki, A., Lewandowski, M., Secomski, W., Litniewski, J., Tymkiewicz, R.

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Estimation of hematocrit by means of dual-gate power Doppler by Nowicki, A., Secomski, W.

“…Noninvasive estimation of the blood hematocrit is important for medical diagnosis. At present, there is only one reliable method based on measurement of speed…”
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Estimation of hematocrit by means of attenuation measurement of ultrasonic wave in human blood by Secomski, W., Nowicki, A., Tortoli, P.

“…Precise determination of the attenuation of ultrasonic waves in blood is essential in the measurement of hematocrit. Laboratory setup records echoes scattered…”
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Doppler multigate measurements of ultrasonic scattering, attenuation and hematocrit of blood in the human artery by Secomski, W., Nowicki, A., Olszewski, R., Adamus, J., Fidanzati, P., Tortoli, P.

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Advantages of probing the trabecular bone with Golay coded ultrasonic excitation by Litniewski, J., Nowicki, A., Secomski, W., Trots, I., Lewin, P.A.

“…The use of coded signals in medical ultrasound allows both frequency and penetration depth to be increased while retaining image resolution and avoiding the…”
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32 MHz Doppler assessment for streaming measurements by Nowicki, A., Secomski, W., Wojcik, J.

“…An approximate solution for the streaming velocity generated by flat and weakly focused transducers was derived by directly solving the Dirichlet boundary…”
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Noninvasive In Vivo Measurements of Hematocrit by Secomski, Wojciech, Nowicki, Andrzej, Guidi, Francesco, Tortoli, Piero, Lewin, Peter A

“…Objective. To develop a clinically applicable method for noninvasive acoustic determination of hematocrit values in vivo. Methods. The value of hematocrit was…”
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Acoustic streaming: comparison of low-amplitude linear model with streaming velocities measured by 32-MHz Doppler by Nowicki, A, Secomski, W, Wójcik, L

“…The pressure gradient along the ultrasonic beam results in medium streaming. Following Nyborg's analysis of the Navier-Stokes equation, Wu and Du developed an…”
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Tissue attenuation imaging - Synthetic Aperture Focusing versus Spatial Compounding by Klimonda, Z., Litniewski, J., Karwat, P., Secomski, W., Nowicki, A.

“…The long term goal of this research is to develop the system enabling the imaging and quantitative measure of ultrasonic attenuation in tissue. It may support…”
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Estimation of acoustical streaming: theoretical model, Doppler measurements and optical visualisation by Nowicki, Andrzej, Kowalewski, Tomasz, Secomski, Wojciech, Wójcik, Janusz

“…An approximate solution for the streaming velocity generated by flat and weakly focused transducers was derived by directly solving the Dirichlet boundary…”
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Three-Dimensional (3D) High-Frequency Ultrasound Images of Skin and an Eye by Kumi Kamada, Kumi Kamada, Osamu Oshiro, Osamu Oshiro, Kunihiro Chihara, Kunihiro Chihara, Wojciech Secomski, Wojciech Secomski, Andrzej Nowicki, Andrzej Nowicki

“…This report describes the three-dimensional (3D) visualization of skin and an eye using high-frequency ultrasound. A high-frequency ultrasound image has high…”
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Estimation of acoustical streaming : theoretical model, Doppler measurements and optical visualisation: Recent developments in vascular ultrasound by NOWICKI, A, KOWALEWSKI, T, SECOMSKI, W, WOJCIK, J

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P1A-9 Transducer Bandwidth Influence on the Golay Encoded Ultrasound Echoes by Trots, I., Nowicki, A., Secomski, W., Litniewski, J., Lewandowski, M.

“…This paper investigates the effect of ultrasound imaging transducer's fractional bandwidth on the gain of the compressed echo signal for different spectral…”
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Three Dimensional Endoscopic Image of a Blood Vessel Using High Frequency Ultrasound by Osamu Oshiro, Osamu Oshiro, Kumi Kamada, Kumi Kamada, Kunihiro Chihara, Kunihiro Chihara, Wojciech Secomski, Wojciech Secomski, Andrzej Nowicki, Andrzej Nowicki

“…This paper describes a high frequency ultrasound (US) imaging system for observation of small tissues and a virtual endoscopic image of a blood vessel. This…”
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