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Carotid Artery Stenting and Blood–Brain Barrier Permeability in Subjects with Chronic Carotid Artery Stenosis
PublicationFailure of the blood-brain barrier (BBB) is a critical event in the development and progression of diseases such as acute ischemic stroke, chronic ischemia or small vessels disease that affect the central nervous system. It is not known whether BBB breakdown in subjects with chronic carotid artery stenosis can be restrained with postoperative recovery of cerebral perfusion. The aim of the study was to assess the short-term effect...
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A comprehensive evaluation of flexible FDM/FFF 3D printing filament as a potential material in medical application
PublicationThe use of FDM/FFF in 3D printing for medical sciences is becoming common. This is due to the high availability and decent price of both 3D printers and filaments useful for FDM/FFF. Currently, researchers' attention is focused mainly on the study of medical filaments based on PLA, PCL or their modifications. This contributes to insufficient diversity of medical-grade filaments on the market. Moreover, due to the lack of specified...
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Dynamic GPU power capping with online performance tracing for energy efficient GPU computing using DEPO tool
PublicationGPU accelerators have become essential to the recent advance in computational power of high- performance computing (HPC) systems. Current HPC systems’ reaching an approximately 20–30 mega-watt power demand has resulted in increasing CO2 emissions, energy costs and necessitate increasingly complex cooling systems. This is a very real challenge. To address this, new mechanisms of software power control could be employed. In this...
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The mechanism of internalization study of QDgreen−CD−FA−C−2028 conjugate at IC80 value to cancer (H460, Du-145, and LNCaP) and normal (MRC-5 and PNT1A) cells
Open Research DataThe influence of different endocytosis inhibitors on the internalization of QDgreen−CD−FA−C−2028 conjugate at IC80 value in cancer (H460, Du-145, and LNCaP) and normal (MRC-5 and PNT1A) cells. First, the cells were preincubated with: drug-free medium (no inhibitor), at 4 °C, 5 µM Cytochalasin D, 30 µM Amiloride, 80 µM Dynasore, 25 µM Pitstop 2 and 1.5...
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Dariusz Mikielewicz prof. dr hab. inż.
PeopleProfessor Dariusz Mikielewicz – born on February 6, 1967. in Gdansk. Here in 1974 he enrolled first to the Elementary School No. 17, and then in the Grammar School No. 5, named after Stefan Żeromski in Gdansk-Oliwa. After graduating from the Secondary School, with honors, in 1985 he successfully passed the entrance exams to the Faculty of Mechanical Engineering of Technical University of Gdansk, where he graduated with a very good...
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A model-based approach to analysis of security protocols - a case study
PublicationArtykuł przedstawia zintegrowane środowisko analizy protokołów bezpieczeństwa. Środowisko zostało oparte o znaną metodę formalną CSP oraz wspierające ją narzędzia: Casper oraz FDR. Integralną częścią opisywanego środowiska jest pół-formalne zorientowane obiektowo podejście do modelowania protokołów kryptograficznych, ich kontekstu aplikacyjnego oraz wymagań bezpieczeństwa. Modelowanie obiektowe zostało oparte o język UML oraz...
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Zastosowanie algorytmów genetycznych do automatycznego generowania planu zajęć
PublicationPrzedstawiono zastosowanie algorytmów genetycznych do automatycznego układania szkoklnego planu zajęć. Stworzono do tego celu odpowiedni program komputerowy - PLANIX, który w kilkanaście minut potrafi poradzić sobie ze średniej klasy problemem i nie wymaga praktycznie żadnej interwencji ze strony użytkownika. Zaprezentowano rdzeń tego programu, który zawiera implementację odp. algorytmu genetycznego. Opisano sposoby reprezentacji,...
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A model-based approach to analysis of authentication protocols.
PublicationW referacie przedstawiono zintegrowane podejście do analizy protokołów uwierzytelniania o nazwie Object-oriented Formal Authentication Protocol Security Analysis Framework (OF-APSAF). Podejście to jest zaprojektowane na bazie sprawdzonej metody formalnej CSP wraz z narzędziami ją wspierającymi: Casper oraz FDR. Jego integralną częścią jest półformalna zorientowana obiektowo technika modelowania protokołów, ich kontekstu oraz wymagań...
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Investigation of pitting corrosion of stainless steel by means of acousticemission and potentiodynamic methods.
PublicationPrzedstawiono wyniki badań korozji wżerowej przy jednoczesnym wykorzystaniu techniki potencjodynamicznej i emisji akustycznej. Dystrybuanta rozkładu prawdopodobieństwa wystąpienia korozji wżerowej (CDFp) została uzyskana na podstawie badań potencjodynamicznych. Niezależnie z wyników akustycznych otrzymano dystrybuantę rozkładu zdarzeń akustycznych (CDFae). Na podstawie wyników stwierdzono brak korelacji miedzy wynikami potencjodynamicznymi...
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Algorithms for testing security in graphs
PublicationIn this paper we propose new algorithmic methods giving with the high probability the correct answer to the decision problem of security in graphs. For a given graph G and a subset S of a vertex set of G we have to decide whether S is secure, i.e. every subset X of S fulfils the condition: |N[X] \cap S| >= |N[X] \ S|, where N[X] is a closed neighbourhood of X in graph G. We constructed a polynomial time property pseudotester based...
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Cell-penetrating peptides – mechanism of transduction and synthesis – short review
PublicationPotential antimicrobial agents may be effective if they are delivered efficiently to their site of action. In many cases, lack of permeability through the cell membrane is the main problem. One of the possible solutions could be a novel intracellular delivery system involving cell-penetrating peptides (CPPs), which may improve the efficiency of many new biophar-maceuticals. Among other things, CPPs are capable of trans-porting...
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A commercial gas boiler fitted with the ORC module as perspective solution for households
PublicationIn this paper the applicability of the commercial gas boiler (De Dietrich DTG X23N) coupled with the laboratory prototype micro ORC setup was experimentally studied. The main objective was to determine the working fluid capability to obtain required temperatures of vapour prior to the turbine, attainable heat rates and efficiencies of the whole system. The boiler thermal power was 25 kW. Tests were carried out with a single stage...
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Rekonstrukcja światowego rozkładu dochodów na podstawie minimalnej informacji statystycznej
PublicationCelem pracy jest uzyskanie próby ze światowego rozkładu dochodów (WID). Zakładamy, że krajowe rozkłady dochodów są log-logistyczne z jednostkową średnią. Stąd wynika, że takie rozkłady są całkowicie określone przez indeks Giniego. Oceny indeksu Giniego dla 119 krajów w latach 1990-2005uzyskaliśmy z baz danych Deningera-Squire’a, WID2 i innych baz. Wygenerowaliśmy próbę losową z każdego rozkładu i przemnożyliśmy jej wartości przez...
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Bis-phosphonated carbon nanotubes: one pot synthesis and their application as efficient adsorbent of mercury
PublicationEffective, one-pot method of CNTs phosphonylation is presented. Cheap and readily available reagents are used, so the process can be easily transferred to large-scale production. The product was analyzed using spectroscopic methods (FTIR, UV-vis, XPS). Thermal properties of the bis-phosphonated nanotubes are reported for the first time. Newly obtained material was tested as an adsorbent for mercury removal from water. The sorption...
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E-Estonia as a role model? Some general considerations and applicability in France
PublicationEstonia has recently been widely recognised – in the policy circles, academia, as well as the media space – as one of the more advanced nation states when it comes to digital government (and governance) transformation (e.g. Margetts and Naumann, 2017; Heller, 2017). Ever greater attention Estonia attracted with the two most recent digital government initiatives, namely the e-Residency and the virtual data embassy, both first of...
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Angioimmunoblastic T-cell lymphoma - Female, 79 - Tissue image [9100730003271841]
Open Research DataThis is the histopathological image of LYMPH NODES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Angioimmunoblastic T-cell lymphoma - Female, 79 - Tissue image [91007300032711]
Open Research DataThis is the histopathological image of LYMPH NODES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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T lymphoblastic leukemia/lymphoma - Female, 39 - Tissue image [5160730021355841]
Open Research DataThis is the histopathological image of LYMPH NODES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 1000 slide scanner (20x magnification) and saved to DICOM format.
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Angioimmunoblastic T-cell lymphoma - Female, 79 - Tissue image [9100730003275201]
Open Research DataThis is the histopathological image of LYMPH NODES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Poprawa stanu dynamicznego hydrozespołu. W: [CD-ROM] Materiały konferencyj- ne. Turbiny Wodne - Niezawodność i Ekologia. Gdańdsk, 9 grudnia 2003. Gdańsk: TEW, KKiEM P. Gdań., A&O EXPERT**2003, wykład oraz prezentacja elektroniczna z wykorzyst. Programu Power Point + wydr. 17 s.
PublicationWspółczesna technika pomiarowa coraz częściej wykrywa pojawienie się drgań względnych czopa względem panwi o częstotliwości zbliżonej do 1/2X, wywołanych tak zwanym wirem olejowym. Drgania te w dłuższym okresie czasu prowadzą do zmęczeniowego uszkodzenia powierzchni ślizgowej łożyska a w konsekwencji do awarii łożyska. Jednym ze sposobów eliminacji tych drgań jest zastosowa-nie dociążenia geometrycznego w łożyskach prowadzących...
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Composite Hodgkin and non-Hodgkin lymphoma - Male, 65 - Tissue image [10100730045406631]
Open Research DataThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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B-cell chronic lymphocytic leukemia/small lymphocytic lymphoma - Male, 58 - Tissue image [7270729584629781]
Open Research DataThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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B-cell chronic lymphocytic leukemia/small lymphocytic lymphoma - Male, 82 - Tissue image [726072959449561]
Open Research DataThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Composite Hodgkin and non-Hodgkin lymphoma - Male, 65 - Tissue image [10100730045403771]
Open Research DataThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Composite Hodgkin and non-Hodgkin lymphoma - Male, 65 - Tissue image [10100730045403501]
Open Research DataThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Composite Hodgkin and non-Hodgkin lymphoma - Male, 65 - Tissue image [10100730045401001]
Open Research DataThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Composite Hodgkin and non-Hodgkin lymphoma - Male, 65 - Tissue image [10100730045409611]
Open Research DataThis is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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Atimicrobial Resistance of Enterococcus spp. in Muncipal wasterwater Treatment Plant - Model Study
PublicationIn this study the removal of resistant Enterococcus spp. was evaluated using the laboratory-scale wastewater treatment model plant (M-WWTP), designed as a multiphase (anaerobic, anoxic and aerobic) system (Q = 27 dm3 per day) and continuously supplied with the wastewater obtained from the full-scale WWTP, after grid. The activated sludge from the secondary clarifier was recirculated to the anaerobic chamber (with the ratio equal...
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Non linear identification of underwater vehicles. W: [CD-ROM] Conference Proceedings. The 29th Israel Conference on Mechanical Engineering. May 12-13, 2003 Haifa, Israel. Haifa: Technion - Israel Inst. Technol.**2003[B8] s. 1-8, 5 rys. bibliogr. 7 poz. Nieliniowa identyfikacja pojazdów podwodnych.
PublicationArtykuł dotyczy identyfikacji nieliniowych modeli pojazdów podwodnych o wie-lu zmiennych. Zaproponowana metoda działa w obszarze czasu rzeczywistego imoże być stosowana do nieliniowych modeli, które są liniowe w części doty-czącej nieznanego wektora parametrów. W celu poradzenia sobie z parametramizmieniającymi się w czasie, zastosowano rekursyjną wersję algorytmu identy-fikacji. Po krótkim opisie matematycznych podstaw...
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Decomposition of duet instrument sounds. W: [CD-ROM] International Sympo-sium of Musical Acoustics. ISMA MEXICO CITY. Mexico City, 9-13 December 2002. Mexico City: Escuela Nacional de Musica UNAM**2002, 10 s. 4 rys. 2 tab. bibliogr. 15 poz. Dekompozycja duetów muzycznych.
PublicationW referacie zaprezentowany został algorytm separacji nagrań duetów muzycz-nych. Metoda separacji oparta została na algorytmie FED, przy pomocy któregomożliwa jest ekstrakcja części harmonicznych sygnałów. Ponadto wykorzystanyzostał algorytm estymacji częstotliwości podstawowej oparty na korelacjiskrośnej, w celu estymacji częstotliwości dekomponowanych harmonicznych.
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Przykłady kształcenia online na Politechnice Gdańskiej - stan obecny i per- spektywy rozwoju. W: [CD-ROM] III Konferencja i Warsztaty. Uniwersytet Wir- tualny: ''Model, narzędzia i praktyka''. Warszawa, 5-7 czerwca 2003 r. War-szawa: P. Warsz.**2003 Sesja 5.06.03, [8 s.]
PublicationW artykule przedstawiona jest aktualna oferta CEN PG oraz możliwości jej wy-korzystania na Wydziale Inzynierii Lądowej w studiach doktoranckich i uzupe-łniających (V Program Ramowy UE, Centra Doskonałości, CURE - Centre for Ur-ban Construction and Rehabilitation:Technology, Transfer, Research and Edu-cation). Pokazano przykład współpracy CEN PG z Programem GAMBIT (Krajowy Program Bezpieczeństwa Ruchu Drogowego), której efektem...
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Analiza stateczność fundamentów bezpośrednich obciążonych cyklicznie.**2002, 138 s. + [4 zał.na CD-ROM], 111 rys. 34 tab. bibliogr. 49 poz. ma-szyn. Rozprawa doktorska /19.04.2002/ Wydz. Bud. Wod. i Inż. Środ. PG. Promotor: prof. zw. dr hab. inż. B. Zadroga.
Publication.
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Bimodal classification of English allophones employing acoustic speech signal and facial motion capture
PublicationA method for automatic transcription of English speech into International Phonetic Alphabet (IPA) system is developed and studied. The principal objective of the study is to evaluate to what extent the visual data related to lip reading can enhance recognition accuracy of the transcription of English consonantal and vocalic allophones. To this end, motion capture markers were placed on the faces of seven speakers to obtain lip...
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Comparative study of operation of condensing and traditional boilers equipped with the ORC module for electricity generation
PublicationCondensing technology applied to boilers is to make full use of thermal energy contained in the fuel. That means that additionaly the heat from condensation of exhaust gases can be used for the purposes of heating the domestic hot water and to cover the demand for central heating. The study analyzed the operation of the "traditional" boiler equipped with the ORC module as the similar arrangement but with the condensing boiler....
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Pyrrole azocrown ethers. Synthesis, complexation, selective lead transport and ion-selective membrane electrode studies
PublicationOtrzymano nowe, 21-członowe, lipofilowe etery koronowe z jednostką pirolową i dwoma grupami azowymi jako składowymi makrocyklu. Właściwości kompleksujące tych nowych oraz dwóch wcześniej otrzymanych makrocykli zbadano w acetonitrylu. Ligandy te zostały użyte jako jonofory w badaniach konkurencyjnego transportu równomolowej mieszaniny jonów metali: Co2+, Ni2+, Cu2+, Zn2+, Cd2+, Ag2+, Pb2+ w układzie woda(pH 4.9)/chloroform/woda(pH...
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Simulation model for assessment of IMS-based NGN call processing performance
PublicationIn current telecommunications it is assumed that demands of information society for quickly delivered services will be satisfied by Next Generation Network (NGN) architecture, which includes IP Multimedia Subsystem (IMS) elements. To guarantee Quality of Service (QoS), proper design and dimensioning of NGN is absolutely necessary, for which appropriate models have to be proposed. As NGN architecture is very complicated, the most...
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Struktury fotowoltaiczne z planarnym heterozłączem półprzewodnik II-VI / półprzewodnik molekularny
PublicationArtykuł przedstawia wybrane wyniki badań własnych nad układami hybrydowymi zbudowanymi na bazie złącza półprzewodnik nieorganiczny II-VI/półprzewodnik organiczny. Na podstawie analizy położenia pasm energetycznych warstw wchodzących w skład wytworzonych ogniw oraz charakterystyk spektralnych prądu zwarcia tych urządzeń określone zostały procesy prowadzące do fotogeneracji nośników ładunku w badanych układach. W ogniwach zbudowanych...
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Simulation model of IMS/NGN call processing performance
PublicationIn current telecommunications it is assumed that demands of the information society for quickly delivered services will be satisfied by the Next Generation Network (NGN) architecture, which includes IP Multimedia Subsystem (IMS) elements. To guarantee Quality of Service (QoS), proper design and dimensioning of NGN is absolutely necessary, for which appropriate models have to be proposed. As the NGN architecture is very complicated,...
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Call processing performance in multidomain IMS/NGN architecture
PublicationThe Next Generation Network (NGN) architecture, which bases on the IP Multimedia Subsystem (IMS) concept, is a proposition of a telecommunication network dedicated to the needs of the modern information society. The main goal of NGN is to provide Quality of Service (QoS), for which proper network design and dimensioning are necessary. This also requires appropriate traffic models, which should be efficient and not excessively complicated...
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Verification of the Analytical Traffic Model of a Multidomain IMS/NGN Using the Simulation Model
PublicationIn this paper we verify the previously proposed analytical traffic model of a multidomain Next Generation Network (NGN), which is standardized for delivering multimedia services based on the IP Multimedia Subsystem (IMS). For this reason a proper simulation model used, in which not theoretical queuing system models but the operation of real network elements and standardized call scenarios are accurately implemented. Consequently,...
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A spatio-temporal approach to intersectoral labour and wage mobility
PublicationThe article presents the spatio-temporal approach for intersectoral labor and wage mobility. Analyses of interindustry mobility were performed with the use of general entropy mobility indices (GEMM). Spatio- temporal approach was obtained thanks to the separate measurement of spatial autocorrelation and regression for each set of sectoral wage and employment structure and was conducted in each year of the research period separately....
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A Spatio-temporal Approach to Intersectoral Labour and Wage Mobility
PublicationThe article presents the spatio-temporal approach for intersectoral labor and wage mobility. Analyses of interindustry mobility were performed with the use of general entropy mobility indices (GEMM). Spatio-temporal approach was obtained thanks to the separate measurement of spatial autocorrelation and regression for each set of sectoral wage and employment structure and was conducted in each year of the research period separately....
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Classical Hodgkin lymphoma, mixed cellularity, NOS - Male, 24 - Tissue image [6120730031812971]
Open Research DataThis is the histopathological image of LYMPH NODES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 1000 slide scanner (20x magnification) and saved to DICOM format.
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T lymphoblastic leukemia/lymphoma - Female, 39 - Tissue image [5160730021356431]
Open Research DataThis is the histopathological image of LYMPH NODES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 1000 slide scanner (20x magnification) and saved to DICOM format.
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Classical Hodgkin lymphoma, lymphocyte-rich - Male, 46 - Tissue image [11010630088559391]
Open Research DataThis is the histopathological image of LYMPH NODES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 250 3DHistech slide scanner (20x magnification) and saved to DICOM format.
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T lymphoblastic leukemia/lymphoma - Female, 39 - Tissue image [5160730021357031]
Open Research DataThis is the histopathological image of LYMPH NODES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 1000 slide scanner (20x magnification) and saved to DICOM format.
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Classical Hodgkin lymphoma, mixed cellularity, NOS - Male, 24 - Tissue image [6120730031814691]
Open Research DataThis is the histopathological image of LYMPH NODES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 1000 slide scanner (20x magnification) and saved to DICOM format.
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T lymphoblastic leukemia/lymphoma - Female, 39 - Tissue image [5160730021358641]
Open Research DataThis is the histopathological image of LYMPH NODES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 1000 slide scanner (20x magnification) and saved to DICOM format.
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T lymphoblastic leukemia/lymphoma - Female, 39 - Tissue image [5160730021359621]
Open Research DataThis is the histopathological image of LYMPH NODES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 1000 slide scanner (20x magnification) and saved to DICOM format.
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T lymphoblastic leukemia/lymphoma - Female, 39 - Tissue image [5160730021355501]
Open Research DataThis is the histopathological image of LYMPH NODES tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: Pannoramic 1000 slide scanner (20x magnification) and saved to DICOM format.