Zobrazeno 1 - 10
of 3 379
pro vyhledávání: '"Krawczyk, N."'
Autor:
Shopa, R. Y., Klimaszewski, K., Kopka, P., Kowalski, P., Krzemień, W., Raczyński, L., Wiślicki, W., Chug, N., Curceanu, C., Czerwiński, E., Dadgar, M., Dulski, K., Gajos, A., Hiesmayr, B. C., Kacprzak, K., Kapłon, Ł., Kisielewska, D., Korcyl, G., Krawczyk, N., Kubicz, E., Niedźwiecki, Sz., Raj, J., Sharma, S., Shivani, Stȩpień, E. L., Tayefi, F., Moskal, P.
We perform a parametric study of the newly developed time-of-flight (TOF) image reconstruction algorithm, proposed for the real-time imaging in total-body Jagiellonian PET (J-PET) scanners. The asymmetric 3D filtering kernel is applied at each most l
Externí odkaz:
http://arxiv.org/abs/2107.12750
Autor:
Moskal, P., Bednarski, T., Niedzwiecki, Sz., Silarski, M., Czerwinski, E., Kozik, T., Chhokar, J., Bała, M., Curceanu, C., Del Grande, R., Dadgar, M., Dulski, K., Gajos, A., Gorgol, M., Gupta-Sharma, N., Hiesmayr, B. C., Jasinska, B., Kacprzak, K., Kaplon, L., Karimi, H., Kisielewska, D., Klimaszewski, K., Korcyl, G., Kowalski, P., Krawczyk, N., Krzemien, W., Kubicz, E., Mohammed, M., Palka, M., Pawlik-Niedzwiecka, M., Raczynski, L., Raj, J., Sharma, S., Shivani, Shopa, R. Y., Skurzok, M., Stepien, E., Wislicki, W., Zgardzinska, B.
Research conducted in the framework of the J-PET project aims to develop a cost-effective total-body positron emission tomography scanner. As a first step on the way to construct a full-scale J-PET tomograph from long strips of plastic scintillators,
Externí odkaz:
http://arxiv.org/abs/2008.10868
Autor:
Dulski, K., Bass, S. D., Chhokar, J., Chug, N., Curceanu, C., Czerwiński, E., Dadgar, M., Gajewski, J., Gajos, A., Gorgol, M., Del Grande, R., Hiesmayr, B. C., Jasińska, B., Kacprzak, K., Kapłon, Ł., Karimi, H., Kisielewska, D., Klimaszewski, K., Kopka, P., Korcyl, G., Kowalski, P., Kozik, T., Krawczyk, N., Krzemień, W., Kubicz, E., Małczak, P., Mohammed, M., Niedźwiecki, Sz., Pałka, M., Pawlik-Niedźwiecka, M., Pędziwiatr, M., Raczyński7, L., Raj, J., Ruciński4, A., Sharma, S., Shivani, Shopa, R. Y., Silarski, M., Skurzok, M., Stępień, E. Ł., Tayefi, F., Wiślicki, W., Zgardzińska, B., Moskal, P.
The J-PET tomograph is constructed from plastic scintillator strips arranged axially in concentric cylindrical layers. It enables investigations of positronium decays by measurement of the time, position, polarization and energy deposited by photons
Externí odkaz:
http://arxiv.org/abs/2006.07467
Autor:
Sharma, N. G., Silarski, M., Chhokar, J., Czerwinski, E., Curceanu, C., Dulski, K., Farbaniec, K., Gajos, A., Del Grande, R., Gorgol, M., Hiesmayr, B. C., Jasinska, B., Kacprzak, K., Kaplon, L., Kisielewska, D., Klimaszewski, K., Korcyl, G., Kowalski, P., Krawczyk, N., Krzemien, W., Kozik, T., Kubicz, E., Mohammed, M., Niedzwiecki, Sz., Palka, M., Pawlik-Niedzwiecka, M., Raczynski, L., Raj, J., Sharma, S., Shivani, S., Shopa, R. Y., Skurzok, M., Wislicki, W., Zgardzinska, B., Moskal, P.
In this article, a new method for the reconstruction of hit-position and hit-time of photons in long scintillator detectors is investigated. This research is motivated by the recent development of the positron emission tomography scanners based on pl
Externí odkaz:
http://arxiv.org/abs/2004.12742
Autor:
Sharma, S., Chhokar, J., Curceanu, C., Czerwinski, E., Dadgar, M., Dulski, K., Gajewski, J., Gajos, A., Gorgol, M., Gupta-Sharma, N., Del Grande, R., Hiesmayr, B. C., Jasinska, B., Kacprzak, K., Kaplon, L., Karimi, H., Kisielewska, D., Klimaszewski, K., Korcyl, G., Kowalski, P., Kozik, T., Krawczyk, N., Krzemien, W., Kubicz, E., Mohammed, M., Niedzwiecki, Sz., Palka, M., Pawlik-Niedzwiecka, M., Raczynski, L., Raj, J., Rucinski, A., Shivani, Shopa, R. Y., Silarski, M., Skurzok, M., Stepien, E. L., Wislicki, W., Zgardzinska, B., Moskal, P.
Time-Over-Threshold (TOT) technique is being used widely due to its implications in developing the multi channel readouts mainly when fast signal processing is required. Using TOT technique as a measure of energy loss instead of charge integration me
Externí odkaz:
http://arxiv.org/abs/1911.12059
Autor:
Moskal, P., Kisielewska, D., Bura, Z., Chhokar, C., Curceanu, C., Czerwiński, E., Dulski, K., Gajewski, J., Gajos, A., Gorgol, M., Del Grande, R., Hiesmayr, B. C., Jasińska, B., Kacprzak, K., Kamińska, A., Kapłon, Ł., Karimi, H., Korcyl, G., Kowalski, P., Krawczyk, N., Krzemień, W., Kozik, T., Kubicz, E., Małczak, P., Mohammed, M., Niedźwiecki, Sz., Pałka, M., Pawlik-Niedźwiecka, M., Pędziwiatr, M., Raczyński, L., Raj, J., Ruciński, A., Sharma, S., Shivani, Shopa, R. Y., Silarski, M., Skurzok, M., Stępień, E. Ł., Vandenberghe, S., Wiślicki, W., Zgardzińska, B.
In living organisms the positron-electron annihilation (occurring during the PET imaging) proceeds in about 30% via creation of a metastable ortho-positronium atom. In the tissue, due to the pick-off and conversion processes, over 98% of ortho-positr
Externí odkaz:
http://arxiv.org/abs/1911.06841
Autor:
Cerdá M; From the Department of Population Health, New York University School of Medicine, New York, NY., Hamilton AD; Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY., Hyder A; Division of Environmental Health Sciences, College of Public Health, Ohio State University, Columbus, OH., Rutherford C; Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY., Bobashev G; Center for Data Science, RTI International, Research Triangle Park, NC., Epstein JM; Department of Epidemiology, New York University School of Global Public Health, New York, NY., Hatna E; Department of Epidemiology, New York University School of Global Public Health, New York, NY., Krawczyk N; From the Department of Population Health, New York University School of Medicine, New York, NY., El-Bassel N; School of Social Work, Columbia University, New York, NY., Feaster DJ; Department of Public Health Sciences, University of Miami Miller School of Medicine, Miami, FL., Keyes KM; Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY.
Publikováno v:
Epidemiology (Cambridge, Mass.) [Epidemiology] 2024 May 01; Vol. 35 (3), pp. 418-429. Date of Electronic Publication: 2024 Feb 19.
Autor:
Krawczyk N; Department of Obstetrics and Gynaecology, University of Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany., Jaeger B; Department of Obstetrics and Gynaecology, University of Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany. bernadette.jaeger@med.uni-duesseldorf.de., Martina PJ; Department of Obstetrics and Gynaecology, University of Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany., Cristina LR; Department of Pathology, University of Mannheim, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany., Melissa N; Department of Obstetrics and Gynaecology, University of Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany., Maggie BP; Department of Obstetrics and Gynecology, University Hospital of Schleswig Holstein, Campus Lübeck, 23538, Lübeck, Germany., Franziska MS; Department of Obstetrics and Gynaecology, University of Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany., Hans N; Department of Obstetrics and Gynaecology, University of Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany., Dieter N; Department of Obstetrics and Gynaecology, University of Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany., Eugen R; Department of Obstetrics and Gynaecology, University of Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany., Svjetlana M; Department of Obstetrics and Gynaecology, University of Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany., Jürgen H; Department of Obstetrics and Gynaecology, University of Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany., Thomas K; Department of Obstetrics and Gynaecology, University of Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany., Irene E; Department of Pathology, University of Mannheim, Theodor-Kutzer-Ufer 1-3, 68167, Mannheim, Germany., Tanja F; Department of Obstetrics and Gynaecology, University of Duesseldorf, Moorenstr. 5, 40225, Duesseldorf, Germany.
Publikováno v:
Archives of gynecology and obstetrics [Arch Gynecol Obstet] 2024 Apr; Vol. 309 (4), pp. 1525-1533. Date of Electronic Publication: 2023 Oct 30.
Autor:
Krawczyk, N., Hiesmayr, B. C., Curceanu, C., Czerwiński, E., Dulski, K., Gajos, A., Gorgol, M., Gupta-Sharma, N., Jasińska, B., Kacprzak, K., Kapłon, Ł., Kisielewska, D., Klimaszewski, K., Korcyl, G., Kowalski, P., Kozik, T., Krzemień, W., Kubicz, E., Mohammed, M., Niedźwiecki, Sz., Pałka, M., Pawlik-Niedźwiecka, M., Raczyński, L., Raj, J., Rakoczy, K., Rudy, Z., Sharma, S., Shivani, Shopa, R. Y., Silarski, M., Skurzok, M., Wiślicki, W., Zgardzińska, B., Moskal, P.
J-PET is the first positron-emission tomograph (PET) constructed from plastic scintillators. It was optimized for the detection of photons from electron-positron annihilation. Such photons, having an energy of 511 keV, interact with electrons in plas
Externí odkaz:
http://arxiv.org/abs/1901.06204
Autor:
Moskal, P., Krawczyk, N., Hiesmayr, B. C., Bała, M., Curceanu, C., Czerwiński, E., Dulski, K., Gajos, A., Gorgol, M., Del Grande, R., Jasińska, B., Kacprzak, K., Kapłon, L., Kisielewska, D., Klimaszewski, K., Korcyl, G., Kowalski, P., Kozik, T., Krzemień, W., Kubicz, E., Mohammed, M., Niedźwiecki, Sz., Pałka, M., Raj, J., Rudy, Z., Sharma, S., Silarski, M., Pawlik-Niedźwiecka, M., Raczyński, L., Shivani, S., Shopa, R. Y., Skurzok, M., Wiślicki, W., Zgardzińska, B.
J-PET is a detector optimized for registration of photons from the electron-positron annihilation via plastic scintillators where photons interact predominantly via Compton scattering. Registration of both primary and scattered photons enables to det
Externí odkaz:
http://arxiv.org/abs/1809.10397