Wyniki wyszukiwania dla: gold(iii) complexes

• Abnormal histological findings - Female, 49 - Tissue image [6090730014736981]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: VS200 Olympus slide scanner (20x magnification) and saved to DICOM format.

• Abnormal histological findings - Female, 49 - Tissue image [6090730014732901]

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  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: VS200 Olympus slide scanner (20x magnification) and saved to DICOM format.

• Abnormal histological findings - Female, 49 - Tissue image [6090730014735321]

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  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: VS200 Olympus slide scanner (20x magnification) and saved to DICOM format.

• Abnormal histological findings - Female, 49 - Tissue image [6090730014734541]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: VS200 Olympus slide scanner (20x magnification) and saved to DICOM format.

• Abnormal histological findings - Female, 49 - Tissue image [7040247104962581]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: VS200 Olympus slide scanner (20x magnification) and saved to DICOM format.

• Abnormal histological findings - Female, 49 - Tissue image [60907300147371]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: VS200 Olympus slide scanner (20x magnification) and saved to DICOM format.

• Ewa Wagner-Wysiecka dr hab. inż.

  Osoby

  Katedra Chemii i Technologii Materiałów Funkcjonalnych

  Ewa Wagner-Wysiecka absolwentka Wydziału Chemicznego PG (Kierunek Technologia Chemiczna, kierunek dyplomowania: Technologia Nieorganiczna, specjalność: Analityka Techniczna i Przemysłowa). Pracę magisterską pt. ”Identyfikacja zanieczyszczeń występujących w farmakopealnej sulfachinoksalinie” zrealizowała pod kierunkiem prof. dr hab. inż. Jana F. Biernata. Po ukończeniu studiów magisterskich (1997 r.) rozpoczęła studia doktoranckie....

• Improvement of opipramol base solubility by complexation with β-cyclodextrin

  Publikacja

  • K. Hemine
  • A. Skwierawska
  • B. Kamińska
  • M. Prześniak-Welenc

  - SUPRAMOLECULAR CHEMISTRY - Rok 2018

  Opipramol (OPI), a tricyclic antidepressant and anxiolytic compound, is administered orally in the form of a dihydrochloride. Salt form of the drug has a higher solubility in water and hence bioavailability and stability. A similar effect can be achieved by closing the hydrophobic part of the drug molecule in the cyclodextrin cavity. The paper presents opipramol inclusion complexes with beta-cyclodextrin (β-CD) in 1:1 molar ratio....

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• Fast-SEC coupled to ICP-MS for selected metal determination and its stability over time in polish wine

  Publikacja

  • M. Fabjanowicz
  • J. Płotka-Wasylka

  - MONATSHEFTE FUR CHEMIE - Rok 2022

  Metal ions contribute to the wine browning (as reaction catalysts), turbidity (in complexes), and astringency (due to inter- action with tannins). Being aware that bioavailability and metabolism of metal ions in the human body are strictly related with their concentration and the form they occur it is important to monitor not only the total content of metals but also their speciation. Thus, we can obtain more information about...

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• Ambiphilic phosphorous compounds 2

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  open access

  • N. Szynkiewicz

  - seria: Synthesis of P(V)-P(III) and P(V)-CH2-P(III) compounds

  Results of theoretical and experimental studies on ambiphilic phosphorous compounds:

• Comprehensive analysis of low-temperature methods for reclaiming of ground tire rubber

  Publikacja

  • Ł. Zedler

  - Rok 2022

  Management of waste tires has become an important topic for decades. The lack of an effective method to manage the materials as mentioned above leads to illegal landfills. This problematic waste can be divided into two main categories depending on the physical condition of the waste: (i) partially used tires; (ii) end-of-life tires. While the first group can be reused or retreaded, the second group requires special measures to...

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• Adolfo Poma

  Osoby

  Dr. Adolfo Poma (see my biosketch) is the group leader of the Multiscale Modelling of Complex Systems divison. In 2008, he got a MSc. degree in computational physics from the State University of Campinas (Brazil). Then he moved to Germany and under the supervision of Prof. Kurt Kremer (head of the polymer theory group, Max Planck Institute for Polymer Research) and Prof. Luigi Delle Site (Frei University of Berlin) got a PhD degree...

• New pathways for functionalization of phosphorus ligands

  Publikacja

  • A. Ordyszewska

  - Rok 2020

  The presented dissertation consistsof two main partsand focuses on the synthesis and characterization of new low-valent phosphorus compounds. Thesestudies have already been fully described in three JCR-journals. The first partdescribes the utilization ofselectedphosphanylphosphinidene transition metal complexes as a source of diversified phosphorus ligands. For thispurposethree complexes...

• STUDIA PODYPLOMOWE EFEKTYWNOŚC ENERGETYCZNA W SEKTORZE PUBLICZNYM- ZARZĄDZANIE ENERGIĄ W GMINACH I POWIATACH III EDYCJA STUDIA PODYPLOMOWE EFEKTYWNOŚC ENERGETYCZNA W SEKTORZE PUBLICZNYM- ZARZĄDZANIE ENERGIĄ W GMINACH I POWIATACH III EDYCJA

  Projekty

  Kierownik projektu: dr inż. Izabela Prażuch   Program finansujący: WFOŚ

  Projekt realizowany w Katedra Elektroenergetyki

• Abnormal histological findings - Female, 49 - Tissue image [6090730014734481]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of CERVIX UTERI tissue sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: VS200 Olympus slide scanner (20x magnification) and saved to DICOM format.

• Iron deficiency anaemia, unspecified - Female, 47 - Cell image [7120730007986771]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS cell sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: VS200 Olympus slide scanner (40x magnification) and saved to DICOM format.

• Electrical measurements of the dewetting of metal thin films

  Dane Badawcze

  open access

  • M. Łapiński

  In situ observations of dewetting of thin films is very complicated. One of the method, that helps to observe it, could be electrical measurements. For experiments, thin gold, silver and gold-silver nanoalloy films were deposited by magnetron sputtering method. Films were deposited on a Corning glass substrates. Samples were measured by four point method...

• Anomalous anisotropy of deuterium-grown boron-doped diamond and the role of boron-tetramers in the Mott-Insulator transition

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  open access

  • M. Sobaszek
  • S. Kwon
  • M. Winiarski
  • B. Rutkowski
  • J. Ryl
  • D. Wang
  • X. Li
  • M. Bockrath
  • W. Goddard III

  We show anisotropy in the superconductivity for boron-doped diamond thin films prepared with Microwave Plasma Assisted Chemical Vapor Deposition using deuterium-rich plasma. This anomalous phase transition is linked with the emergence of boson quantum entanglement states behaving as a bosonic insulating state. Here, we show that the superconducting...

• Influence of the internal electrolyte composition on amperometric sulphur dioxide sensor properties

  Publikacja

  • A. Strzelczyk
  • G. Jasiński
  • B. Chachulski

  - Rok 2013

  In this work amperometric sulphur dioxide sensor with a liquid electrolyte, a mercury sulphate reference electrode and solid polymer electrolyte (Nafion) covered with gold as a working electrode will be presented. The main goal of this research is to determine the influence of internal electrolyte composition on the sensor properties. Sensor filled with 1M and 5M sulphuric acid has been investigated.

• Waldemar Wardencki prof. dr hab. inż.

  Osoby

• Comparative Study of Taste Substance Sensing by Liquid Membrane Oscillator and Electrochemical Systems With All-Solid-State Electrodes

  Publikacja

  • M. Szpakowska
  • E. Marjańska
  • O. Naggy

  - IEEE SENSORS JOURNAL - Rok 2017

  In food industry, different types of sensors are used for characterizing and quantifying taste substances. Therefore, it is important to establish the principal advantages and disadvantages of these sensors for optimal application. In this paper, two possible systems are compared for sensing the four fundamental tastes: sour (citric acid), salty (sodium chloride), sweet (sucrose), and bitter (caffeine or quinine hydrochloride). One...

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• Crystal and electronic structures of Ni(II) silanethiolates containing flexible diamine ligands

  Publikacja

  • A. Pladzyk
  • A. Ożarowski
  • Ł. Ponikiewski

  - INORGANICA CHIMICA ACTA - Rok 2016

  Five nickel(II) complexes containing aliphatic diamines and tri-tert-butoxysilanethiolate ligand have been synthesized for the purpose of studying their structural, spectral (IR, UV–Vis, HF EPR) and thermal properties. Complexes (1)–(5) have been prepared in high yield by reactions of [Ni{SSi(OtBu)3}2(NH3)(H2O)] with 1.3-propanediamine (L1), 1,6-hexanediamine (L2), or 1,7-heptanediamine (L3). The X-ray structures were determined...

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• Influence of the internal electrolyte composition on amperometric sulphur dioxide sensor properties

  Publikacja

  • A. Strzelczyk
  • G. Jasiński
  • B. Chachulski

  - Elektronika : konstrukcje, technologie, zastosowania - Rok 2014

  In this work investigation of an amperometric sulphur dioxide sensor with a liquid electrolyte, a mercury sulphate reference electrode and solid polymer electrolyte (Nafion) covered with gold as a working electrode properties is presented. The main goal of this research is to determine the influence of internal electrolyte composition on the sensor properties. Sensor filled with 1M and 5M sulphuric acid has been studied.

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• Humanizacja traktu porodowego

  Publikacja

  • J. Poplatek
  • J. Bąkowski

  - Zeszyty Naukowe: Politechnika Śląska : Architektura - Rok 2013

  Powszechny w latach 80-tych XX wieku zmedykalizowany model porodu podlega stopniowej humanizacji. Artykuł omawia współczesne tendencje w podejściu do porodu i ich wpływ na układ funkcjonalno-przestrzenny traktu porodowego. Przedstawia najważniejsze wymagania stawiane obecnie traktom porodowym. Na podstawie przykładów rozwiązań realizacyjnych i projektowych analizuje problematykę modernizacji zespołów porodowych w Polsce.

• Anna Drapińska dr hab.

  Osoby

  Katedra Marketingu

  dr hab. Anna Drapińska, prof. PG  wykształcenie - magister ekonomii - Uniwersytet Gdański, Wydział Zarządzania (1993)  stopień / tytuł naukowy  doktor habilitowany nauk ekonomicznych w zakresie nauk o zarządzaniu – Uniwersytet Ekonomiczny we Wrocławiu, Wydział Nauk Ekonomicznych (2012)  doktor nauk ekonomicznych w zakresie ekonomii – Politechnika Gdańska, Wydział Zarządzania i Ekonomii (1998)  zatrudnienie  Politechnika Gdańska,...

• Jacek Namieśnik prof. dr hab. inż.

  Osoby

  Urodził się 10 grudnia 1949 r. w Mogilnie, zmarł 14 kwietnia 2019 r. w Gdańsku – polski chemik, profesor nauk chemicznych, specjalizujący się w chemii analitycznej i środowiskowej. Rektor Politechniki Gdańskiej w latach 2016–2019. Studia wyższe ukończył w 1972 r. na Wydziale Chemicznym Politechniki Gdańskiej, uzyskując tytuł magistra inżyniera chemika. W 1972 r. rozpoczął pracę na Politechnice Gdańskiej, gdzie w 1978 r. obronił...

• New technologies using Trace Metals of Concern

  Publikacja

  • J. Pacyna
  • K. Sundseth
  • E. G. Pacyna

  - Rok 2015

  This chapter discusses the occurrence, material flows, technical applications of and pollution by platinum, palladium, thallium, rare earth elements, gold , silver, and antimony, all of which are essential for global economic growth. Modern technology relies on theses chemicals for the production of various industrial goods. however, their use releases pollutants into the environment, thus posing a threat to human health.

• Other autoimmune haemolytic anaemias - Female, 81 - Cell image [7120730007983911]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS cell sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: VS200 Olympus slide scanner (40x magnification) and saved to DICOM format.

• On the Possibility of the Amphotericin B-Sterol Complex Formation in Cholesterol- and Ergosterol-Containing Lipid Bilayers: A Molecular Dynamics Study

  Publikacja

  • A. Neumann
  • J. Czub
  • M. Bagiński

  - JOURNAL OF PHYSICAL CHEMISTRY B - Rok 2009

  Amphotericin B (AmB) is a well-known membrane-active antibiotic that has been used to treat systemicfungal infections for more than 45 years. Therapeutic application of AmB is based on the fact that it is moreactive against ergosterol-containing membranes of fungal cells than against mammalian membranes withcholesterol. In this paper, we examine the hypothesis according to which the selectivity of the AmB's membraneaction originates...

• The publication of the European Commission's guidelines in an official language of a new Member State as a condition for their application.Case comment to the order of the Polish Supreme Court of 3 September 2009 (Ref. No. III SK 16/09) to refer a preliminary question to the Court of Justice of the European Union (C-410/99 Polska Telefonia Cyfrowa sp. z o.o. v Prezes Urzędu Komunikacji Elektronicznej)

  Publikacja

  • K. Kowalik-Bańczyk

  - YEARBOOK OF ANTITRUST AND REGULATORY STUDIES - Rok 2010

  The case comment concentrates on two issues. In the first place, it contains an analysis of the legal character of the European Commission Guidelines on market analysis and the assessment of significant market power under the Community regulatory framework for electronic communications networks and services. Secondly, it analyses the consequences of the lack of publication of those Guidelines in Polishlanguage in the Official Journal...

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• Mono- and bi-metallic plasmonic photocatalysts for degradation of organic compounds under UV and visible light irradiation

  Publikacja

  • E. Kowalska
  • M. Janczarek
  • L. Rosa
  • S. Juodkazis
  • B. Ohtani

  - CATALYSIS TODAY - Rok 2014

  Titania powders were surface modified with gold and/or silver nanoparticles (NPs) by photodeposition method. Gold modified titania exhibited much higher photocatalytic activity during methanol dehydrogenation under UV irradiation than titania modified with monometallic silver and bimetallic Au–Ag NPs. Bimetallic photocatalysts exhibited either enhanced or reduced visible light activity, depending on properties of noble metal NPs,...

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• Cryptocurrencies as a Speculative Asset: How Much Uncertainty is Included in Cryptocurrency Price?

  Publikacja

  • T. Ahsan
  • K. Zawadzki
  • K. Mubashir

  - SAGE Open - Rok 2024

  The aim of this paper is to examine the relationship between uncertainty indices (Geopolitical Uncertainty Index and Global Economic Policy Uncertainty Index) and cryptocurrencies. This study evaluated the behavior of cryptocurrencies with the evolution of uncertainties (GPU, EPU) on returns and volatility in terms of safe heaven as in traditional specualtive assets it increases their volaitility and reduces risk. For this purpose,...

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• Interplay of hydrogen bonding and aryl-perfluoroaryl interactions in construction of supramolecular aggregates

  Publikacja

  • K. Eichstaedt

  - Rok 2013

  The stacking between aryl and perfluoroaryl units is an important class of the aromatic – aromatic interactions that has attracted rapidly growing interest in recent years. Continuing interest of our group in this subject it had been prepared three new complexes of pentafluorobenzoic acid with benzyl alcohol, 4-methylbenzyl alcohol and 4-tert-butylbenzyl alcohol and in the next step investigated their self-assembly modes by...

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• Helicity discrimination in N,N'-dibenzoyl-1,2,3,4,7,8,9,10-octahydro-1,10-phenanthrolines and their thiono- and selenocarbonyl analogues by inclusion complexation with chiral diols

  Publikacja

  • T. Olszewska
  • A. Sikorski
  • A. Herman
  • T. Połoński

  - ORGANIC & BIOMOLECULAR CHEMISTRY - Rok 2013

  X-ray crystallographic analysis of the title compounds revealed that they assume a folded helical con- formation of an approximate C2 symmetry in the solid state. Dithioamide, diselenoamide and monoselenoamide were resolved to enantiomers by inclusion crystallization with optically active diols (TADDOLs). The absolute configuration of the guest molecules in the complexes was assigned as P. The optical activity of the resolved compounds...

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• Adam Kupryjanow mgr inż.

  Osoby

• How do sterols determine the antufungal activitiy of amphotericin B? Free energy of binding between the drug and its membrane targets.

  Publikacja

  • A. Neumann
  • M. Bagiński
  • J. Czub

  - JOURNAL OF THE AMERICAN CHEMICAL SOCIETY - Rok 2010

  Amphotericin B (AmB) is a well-known polyene antibiotic used to treat systemic fungal infections. It is commonly accepted that the presence of sterols in the membrane is essential for the AmB biological activity, that is, for the formation of transmembrane ion channels. The selective toxicity of AmB for fungal cells is attributed to the fact that it is more potent against fungal cell membranes containing ergosterol than against...

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• Active Site Architecture and Reaction Mechanism Determination of Cold Adapted beta-D-galactosidase from Arthrobacter sp. 32cB

  Publikacja

  • M. Rutkiewicz
  • A. Bujacz
  • M. Wanarska
  • A. Wierzbicka-Woś
  • H. Cieśliński

  - INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES - Rok 2019

  ArthbetaDG is a dimeric, cold-adapted beta-D-galactosidase that exhibits high hydrolytic and transglycosylation activity. A series of crystal structures of its wild form, as well as its ArthbetaDG_E441Q mutein complexes with ligands were obtained in order to describe the mode of its action. The ArthbetaDG_E441Q mutein is an inactive form of the enzyme designed to enable observation of enzyme interaction with its substrate. The...

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• Copper(I) halide cluster-based coordination polymers modulated by chiral ditopic dithiodianthranilide ligands: synthesis, crystal structure and photoluminescence

  Publikacja

  • J. Chojnacki
  • T. Olszewska
  • T. Połoński
  • M. Mońka
  • I. E. S. Serdiuk
  • P. Bojarski

  - CRYSTENGCOMM - Rok 2021

  Reaction of copper(I) halides with chiral dithiodianthranilidesmdtaandbdtaafforded polymeric complexeswhere polynuclear CuX clusters were linked together by ditopic bridging ligands into 1D chains or 2D layerstructures. In the case of racemic ligands double stranded chain polymers were formed where the Cu4X4(X = I or Br) cores are connected by enantiomeric pairs of the ditopic ligands. In contrast, a homochiralmdtaligand created...

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• Rafał Łangowski dr inż.

  Osoby

  Katedra Inteligentnych Systemów Sterowania i Wspomagania Decyzji

  Dr inż. Rafał Łangowski jest absolwentem Wydziału Elektrotechniki i Automatyki Politechniki Gdańskiej (studia magisterskie ukończył z wyróżnieniem w 2003 roku). W roku 2015 uzyskał stopień doktora nauk technicznych w dyscyplinie automatyka i robotyka. Pracę doktorską pt. "Algorytmy alokacji punktów monitorowania jakości w systemach dystrybucji wody pitnej" obronił z wyróżnieniem na Wydziale Elektrotechniki i Automatyki. W latach...

• Efektywność flotacji jonowej i precypitacyjnej mieszaniny jonów cynku i glinu

  Publikacja

  • B. Kawalec-Pietrenko
  • P. Rybarczyk

  - Inżynieria i Aparatura Chemiczna - Rok 2012

  Przedmiotem badań była ocena wpływu pH surówki oraz stężenia kolektora na efektywność półperiodycznych flotacji jonowej i precypitacyjnej, zachodzących w roztworach zawierających mieszaniny jonów Zn(II) i Al(III). Stwierdzono, iż w warunkach flotacji jonowej, zachodzących w roztworach kwaśnych, występuje konkurencja pomiędzy flotowanymi kationami w tworzeniu związków z kolektorem. Dla roztworów o pH>11 możliwa jest selektywna flotacja...

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• π-Indenyl substituted zirconium compounds containing terminal bondedphosphanylphosphido ligands [Ind2Zr(Cl){(Me3Si)P-PR2-jP1}]. Synthesis,X-ray analysis and NMR studies

  Publikacja

  • A. Łapczuk-Krygier
  • K. Kazimierczuk
  • Ł. Ponikiewski
  • E. Matern
  • J. Pikies

  - INORGANICA CHIMICA ACTA - Rok 2012

  Praca prezentuję reakcję kompleksów indenylowych cyrkonu z solami litowymi difosfanów o ogólnym wzorze R2P-P(SiMe3)Li, gdzie R = tBu, Et2N, iPr2N. W wyniku tych reakcji otrzymano 3 nowe kompleksy fosfanylofosfidowe.Otrzymane nowe kompleksy zbadano przy pomocy technik rentgenowskiej analizy strukturalnej i NMR.Dichloro-bis(indenyl)zirconium(IV) reacts with lithium derivatives of diphosphanes R2P-P(SiMe3)Li (R = tBu, Et2N, iPr2N)...

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• Piotr Dominiak prof. dr hab.

  Osoby

  Urodził się w Radomiu 29 czerwca 1948 r. Jest absolwentem studiów ekonomicznych na Uniwersytecie Warszawskim (1971), tam też obronił doktorat (1976) i uzyskał habilitację (1989). Tytuł naukowy profesora uzyskał w 2005 r. Na PG pracuje od 1971 r. W latach 1991–1993 dyrektor Instytutu Nauk Ekonomicznych i Humanistycznych PG. Dziekan Wydziału Zarządzania i Ekonomii w latach 1993–1999 i 2005–2012. Kierownik Katedry Nauk Ekonomicznych...

• Vitamin B12 deficiency anaemia, unspecified - Male, 52 - Cell image [7120730007975601]

  Dane Badawcze

  open access

  • Gdański Uniwersytet Medyczny

  This is the histopathological image of HEMATOPOIETIC AND RETICULOENDOTHELIAL SYSTEMS cell sample obtained in Medical University Gdańsk and deposited in ZMDL-GUMED. The sample image was taken using: VS200 Olympus slide scanner (40x magnification) and saved to DICOM format.

• Lower rim substituted tert-butylcalix[4]arenes.Part 8: Calix[4]arenes with dialkoxyphosphoryl functions. Synthesis and complexing properties

  Publikacja

  • M. Bocheńska
  • M. Hoffmann
  • U. Lesińska
  • E. Luks
  • W. Radecka-Paryzek

  - Rok 2005

  W pracy przedstawiono syntezę i charakterystykę otrzymanych związków (1, 2), pochodnych alkoksyfosforylowych p-tert-butylokaliks[4]arenu: 5,11,17,23-tetra-tert-butylo-25,26,27,28-tetrakis(3-diizopropoksyfosforylopropoksy)kaliks[4]arenu (1) oraz 5,11,17,23-tetra-tert-butylo-25,26,27,28-tetrakis(3-methoksyetoksyfosforylopropoksy)kaliks[4]arenu (2). Zbadano właściwości jonoforowe związków 1 i 2 w membranie elektrod jonoselektywnych,...

• Au-RE-TiO2 nanocomposites: Surface characteristics and photoactivity

  Publikacja

  • A. Krukowska
  • J. Reszczyńska
  • A. Zaleska-Medynska

  - Physicochemical Problems of Mineral Processing - Rok 2014

  The photocatalysts based on TiO2 co-doped with rare earth metal (RE) and gold nanoparticles have been prepared using a sol-gel method and followed by gold reduction. Specific surface areas of the modified photocatalysts were calculated by the Brunauer-Emmett-Teller method (BET). Diffuse reflectance spectra of the obtained photocatalysts were recorded in a UV-Vis spectrophotometer (DRS UV-Vis). The influence of the type of rare...

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• Laser-assisted approach for improved performance of Au-Ti based glucose sensing electrodes

  Publikacja

  • A. Olejnik
  • G. Śliwiński
  • J. Karczewski
  • J. Ryl
  • K. Siuzdak
  • K. Grochowska

  - APPLIED SURFACE SCIENCE - Rok 2021

  This paper focuses on the synthesis route and electrochemical properties of electrocatalytic material based on gold nanoparticles (NPs) embedded in a structured titanium template obtained via optimized anodization, chemical etching and laser processing. SEM inspection reveals the presence of Au NPs (60–90 nm in diameter) sited in the titanium foil cavities. Performed electrochemical measurements enable nomination of the set of working...

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• CFD COUPLING OF VOF MODEL WITH ARRHENIUS EQUATION FOR ANALYSIS OF LASER-INDUCED THERMAL DEACTIVATION OF E. COLI

  Publikacja

  • A. Koulali
  • P. Radomski
  • L. De Sio
  • D. Mikielewicz
  • P. Ziółkowski

  - Rok 2024

  Understanding bacterial deactivation at the micro-scale, particularly with E. coli, is crucial for advancing microbiology and has promising applications in biomedical research. In this research contribution, we investigate the thermal inactivation of E. coli bacteria using gold nanoparticles irradiated by a green 1-W laser within a microfluidic chamber. The microfluidic device comprises a fluidic chamber filled with a thin film...

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• Effect of dendrimer-based interlayers for enzyme immobilization on a model electrochemical sensing system for glutamate

  Publikacja

  • M. Urbanowicz
  • K. Sadowska
  • B. Lemieszek
  • A. Paziewska-Nowak
  • A. Sołdatowska
  • M. Dawgul
  • D. G. Pijanowska

  - BIOELECTROCHEMISTRY - Rok 2023

  In this paper, we discuss dendrimer usage in enzyme-based electrochemical biosensors, particularly with respect to biomolecule loading on the sensing surface. A novel approach to design bioactive layers with immobilized enzymes for electrochemical biosensors using the surface plasmon resonance (SPR) method in combination with electrochemical impedance spectroscopy was presented. The gold surface was modified with linear linkers...

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• Metal enhanced fluorescence of flavin mononucleotide using new plasmonic platform

  Publikacja

  • A. Synak
  • B. Grobelna
  • S. Raut
  • P. Bojarski
  • I. Gryczyński
  • J. Karczewski
  • T. Shtoyko

  - OPTICAL MATERIALS - Rok 2016

  New plasmonic platform was successfully obtained to investigate the increase of fluorescence intensity of a fluorophore in the presence of silver nanoparticles. A flavin mononucleotide, was selected by us as a fluorophore for this study as a very important biological compound playing a key role in many biochemical process. Plasmonic platforms were characterized by means of luminescence spectroscopy. Flavin mononucleotide deposited...

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• Krzysztof Leja dr hab. inż.

  Osoby

  Katedra Zarządzania

  Krzysztof Leja, absolwent Wydziału Fizyki Technicznej i Matematyki Stosowanej Politechniki Gdańskiej, doktor habilitowany nauk o zarządzaniu. Obecnie prodziekan ds. nauki Wydziału Zarządzania i Ekonomii Politechniki Gdańskiej. Zainteresowania badawcze koncentrują się wokół problematyki doskonalenia organizacji i zarządzania współczesną uczelnią. Kierował i uczestniczył w projektach krajowych i międzynarodowych dotyczących badań...