Search Results - "Liebert, Adam"

Time-domain diffuse correlation spectroscopy (TD-DCS) for noninvasive, depth-dependent blood flow quantification in human tissue in vivo by Samaei, Saeed, Sawosz, Piotr, Kacprzak, Michał, Pastuszak, Żanna, Borycki, Dawid, Liebert, Adam

“…Monitoring of human tissue hemodynamics is invaluable in clinics as the proper blood flow regulates cellular-level metabolism. Time-domain diffuse correlation…”
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Automatic air volume control system for ventilation of two patients using a single ventilator: a large animal model study by Zieliński, Krzysztof, Lisowska, Barbara, Siewruk, Katarzyna, Sady, Maria, Ferenc, Karolina, Barwijuk, Maciej, Olszewski, Jarosław, Anusz, Krzysztof, Jabłoński, Artur, Gajewska, Magdalena, Okrzeja, Piotr, Michnikowski, Marcin, Pijanowska, Dorota G., Pluta, Krzysztof, Remiszewska, Elżbieta, Darowski, Marek, Zabielski, Romuald, Liebert, Adam, Kramek-Romanowska, Katarzyna, Stecka, Anna, Kozarski, Maciej, Pasledni, Raman, Gajewski, Zdzisław, Ładyżyński, Piotr

“…The COVID-19 pandemic outbreak led to a global ventilator shortage. Hence, various strategies for using a single ventilator to support multiple patients have…”
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Confirmation of brain death using optical methods based on tracking of an optical contrast agent: assessment of diagnostic feasibility by Weigl, Wojciech, Milej, Daniel, Gerega, Anna, Toczyłowska, Beata, Sawosz, Piotr, Kacprzak, Michał, Janusek, Dariusz, Wojtkiewicz, Stanisław, Maniewski, Roman, Liebert, Adam

“…We aimed to determine whether optical methods based on bolus tracking of an optical contrast agent are useful for the confirmation of cerebral circulation…”
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A Monte Carlo study of fluorescence generation probability in a two-layered tissue model by Milej, Daniel, Gerega, Anna, Wabnitz, Heidrun, Liebert, Adam

“…It was recently reported that the time-resolved measurement of diffuse reflectance and/or fluorescence during injection of an optical contrast agent may…”
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Time-resolved multidistance near-infrared spectroscopy of the adult head: intracerebral and extracerebral absorption changes from moments of distribution of times of flight of photons by Liebert, Adam, Wabnitz, Heidrun, Steinbrink, Jens, Obrig, Hellmuth, Möller, Michael, Macdonald, Rainer, Villringer, Arno, Rinneberg, Herbert

“…We report on multidistance time-resolved diffuse reflectance spectroscopy of the head of a healthy adult after intravenous administration of a bolus of…”
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In-vivo multilaboratory investigation of the optical properties of the human head by Farina, Andrea, Torricelli, Alessandro, Bargigia, Ilaria, Spinelli, Lorenzo, Cubeddu, Rinaldo, Foschum, Florian, Jäger, Marion, Simon, Emanuel, Fugger, Oliver, Kienle, Alwin, Martelli, Fabrizio, Di Ninni, Paola, Zaccanti, Giovanni, Milej, Daniel, Sawosz, Piotr, Kacprzak, Michał, Liebert, Adam, Pifferi, Antonio

“…The in-vivo optical properties of the human head are investigated in the 600-1100 nm range on different subjects using continuous wave and time domain diffuse…”
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Coherent fluctuations in time-domain diffuse optics by Colombo, Lorenzo, Samaei, Saeed, Lanka, Pranav, Ancora, Daniele, Pagliazzi, Marco, Durduran, Turgut, Sawosz, Piotr, Liebert, Adam, Pifferi, Antonio

“…Near infrared light pulses, multiply scattered by random media, carry useful information regarding the sample key constituents and their microstructures…”
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Neurotoxic effects of indocyanine green -cerebellar granule cell culture viability study by Toczylowska, Beata, Zieminska, Elzbieta, Goch, Grazyna, Milej, Daniel, Gerega, Anna, Liebert, Adam

“…The aim of this study was to examine neurotoxicity indocyanine green (ICG). We assessed viability of primary cerebellar granule cell culture (CGC) exposed to…”
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Evaluation of optical properties of highly scattering media by moments of distributions of times of flight of photons by Liebert, Adam, Wabnitz, Heidrun, Grosenick, Dirk, Möller, Michael, Macdonald, Rainer, Rinneberg, Herbert

“…A novel method for the determination of the optical properties of tissue from time-domain measurements is presented. The data analysis is based on the…”
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Variance of time-of-flight distribution is sensitive to cerebral blood flow as demonstrated by ICG bolus-tracking measurements in adult pigs by Elliott, Jonathan T, Milej, Daniel, Gerega, Anna, Weigl, Wojciech, Diop, Mamadou, Morrison, Laura B, Lee, Ting-Yim, Liebert, Adam, St Lawrence, Keith

“…Variance of time-of-flight distributions have been shown to be more sensitive to cerebral blood flow (CBF) during dynamic-contrast enhanced monitoring of…”
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Dynamics of cortical neurovascular coupling analyzed by simultaneous DC-magnetoencephalography and time-resolved near-infrared spectroscopy by Mackert, Bruno-Marcel, Leistner, Stefanie, Sander, Tilmann, Liebert, Adam, Wabnitz, Heidrun, Burghoff, Martin, Trahms, Lutz, Macdonald, Rainer, Curio, Gabriel

“…Functional magnetic resonance imaging (fMRI) visualizes activated brain areas with a high spatial resolution. The activation signal is determined by the local…”
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Fiber dispersion in time domain measurements compromising the accuracy of determination of optical properties of strongly scattering media by Liebert, Adam, Wabnitz, Heidrun, Grosenick, Dirk, Macdonald, Rainer

“…Limitations in the accuracy of measurements of optical properties (absorption and scattering coefficients) of strongly scattering media that are due to…”
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Wavelength-resolved measurements of fluorescence lifetime of indocyanine green by Gerega, Anna, Zolek, Norbert, Soltysinski, Tomasz, Milej, Daniel, Sawosz, Piotr, Toczylowska, Beata, Liebert, Adam

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Method to improve the depth sensitivity of diffuse reflectance measurements to absorption changes in optically turbid medium by Sawosz, Piotr, Liebert, Adam

“…We have studied the spatial distributions of the sensitivity of time-resolved near-infrared diffuse reflectance measurement. Sensitivity factors representing a…”
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Parallel, multi-purpose Monte Carlo code for simulation of light propagation in segmented tissues by Wojtkiewicz, Stanislaw, Liebert, Adam

“…We have developed a massive-parallel, multi-purpose Monte Carlo (MC) code for simulation of light propagation in complex structures modelled with e.g. magnetic…”
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Depth-selective data analysis for time-domain fNIRS: moments vs. time windows by Wabnitz, Heidrun, Contini, Davide, Spinelli, Lorenzo, Torricelli, Alessandro, Liebert, Adam

“…Time-domain measurements facilitate the elimination of the influence of extracerebral, systemic effects, a key problem in functional near-infrared spectroscopy…”
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Multiwavelength time-resolved near-infrared spectroscopy of the adult head: assessment of intracerebral and extracerebral absorption changes by Gerega, Anna, Milej, Daniel, Weigl, Wojciech, Kacprzak, Michal, Liebert, Adam

“…An optical technique based on diffuse reflectance measurement combined with indocyanine green (ICG) bolus tracking is extensively tested as a method for the…”
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Two-layered blood-lipid phantom and method to determine absorption and oxygenation employing changes in moments of DTOFs by Sudakou, Aleh, Wabnitz, Heidrun, Liemert, André, Wolf, Martin, Liebert, Adam

“…Near-infrared spectroscopy (NIRS) is an established technique for measuring tissue oxygen saturation (StO ), which is of high clinical value. For tissues that…”
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Performance of measurands in time-domain optical brain imaging: depth selectivity versus contrast-to-noise ratio by Sudakou, Aleh, Yang, Lin, Wabnitz, Heidrun, Wojtkiewicz, Stanislaw, Liebert, Adam

“…Time-domain optical brain imaging techniques introduce a number of different measurands for analyzing absorption changes located deep in the tissue,…”
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Time-domain diffuse correlation spectroscopy at large source detector separation for cerebral blood flow recovery by Mogharari, Neda, Wojtkiewicz, Stanisław, Borycki, Dawid, Liebert, Adam, Kacprzak, Michał

“…Time-domain diffuse correlation spectroscopy (td-DCS) enables the depth discrimination in tissue's blood flow recovery, considering the fraction of photons…”
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