Search results for: Spectroscopic ellipsometry

• Impedance spectroscopy by means of a digital storage oscilloscope based measurement system.

  Publication

  • A. Bujnowski
  • J. Wtorek
  • B. Truyen

  - Year 2004

  W pracy przedstawiono system pomiarowy służący do badań spektroskopowych. Został on zbudowany w oparciu o szerokopasmowy oscyloskop cyfrowy. Przeprowadzono analizę dokładności pomiarów oraz przedstawiono wyniki badań kalibracyjnych i przykładowych pomiarów parametrów materiałów biologicznych.

• Quantification of interlayer adhesion in protective coating systems using impedance spectroscopy

  Publication

  • A. Miszczyk
  • K. Darowicki

  - Year 2005

  Nowoczesne systemy powłokowe stosowane w praktyce są wielowarstwowe. Potencjalnie słabymi obszarami z punktu widzenia właściwości ochronnych są obszary międzywarstwowe. Osiągnięcie odpowiedniej przyczepności pomiędzy warstwami pozwala na polepszenie zdolności ochronnych całego zestawu. Tradycyjne metody pomiaru adhezji międzywarstwowej są destrukcyjne. Zaproponowano nową metodę oceny przyczepności międzywarstwowej przy użyciu...

• Investigations of the passive layer cracking by means of dynamic electrochemical impedance spectroscopy.

  Publication

  • K. Darowicki
  • J. Orlikowski
  • A. Arutunow

  - ELECTROCHIMICA ACTA - Year 2003

  Dynamiczna elektrochemiczna spektroskopia impedancyjna została wykorzystana do badania pękania warstwy pasywnej na austenitycznej stali wysokostopowej.Zbadano efekt narzuconego potencjału oraz naprężeń rozciągających na pękanie korozyjne stali wysokostopowej 304L w środowisku 0.5M NaCl w temperaturze pokojowej. Praca przedstawia chwilowe widma impedancyjne uzyskane dla badanego układu przy różnych wartościach potencjałów. Uzyskane...

• Detection of stress corrosion cracking dynamics by dynamic electrochemical impedance spectroscopy.

  Publication

  • K. Darowicki
  • J. Orlikowski
  • A. Arutunow

  - Year 2004

  Klasyczne badania korozji naprężeniowej nie dają precyzyjnych informacji o dynamice takiego procesu korozyjnego. Nowa technika dynamicznej elektrochemicznej spektroskopii impedanyjnej, która została opracowana w Katedrze Elektrochemii, Korozji i Inżynierii Materiałowej stwarza takie możliwości. Fakt ten związany z zastosowaną metodologią analizy umożliwiającą selektywną analizą czasowo-częstotliwościową danych pomiarowych.Praca...

• Estimation of optical parameters of highly scattering materials by time-of-flight spectroscopy.

  Publication

  • J. Pluciński

  - Year 2004

  Przedstawiono metody wyznaczania podstawowych parametrów materiałów silnie rozpraszających światło na podstawie pomierzonego rozkładu czasu przelotu krótkich impulsów laserowych. W algorytmie wykorzystano metodę Monte Carlo i metodę dyfuzji do opisu propagacji światła. Oszacowano dokładność oszacowywania tych parametrów.

• Intermolecular Interactions in Selected Polymer-Water Systems as Seen by Raman Spectroscopy

  Publication

  • M. Kozanecki
  • K. Halagan
  • K. Matyjaszewki
  • J. Ulanski

  - Year 2018

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• Diagnosis of reference electrodes in cathodic protection systems by electrochemical impedance spectroscopy

  Publication

  • K. Żakowski
  • K. Darowicki

  - CORROSION REVIEWS - Year 2002

  Przedstawiono wyniki badań laboratoryjnych i terenowych przeprowadzonych techniką elektrochemicznej spektroskopii impedancyjnej (EIS). Zaprezentowano widma impedancyjne następujących układów: elektroda odniesienia/elektroda pomocnicza; rurociąg/zakopane i przenośne elektrody odniesienia. Pokazano, że omawiana technika umożliwia badanie stanu technicznego elektrod odniesienia, co zwiększa pewność wyników pomiarów potencjału chronionej...

• The application of dynamic electrochemical impedance spectroscopy for stress corrosion cracking studies

  Publication

  • K. Darowicki
  • J. Orlikowski
  • A. Arutunow

  - Year 2003

  Elektrochemiczna Spektroskopia Impedancyjna (ESI) od wielu lat stanowi jedno z najważniejszych narzędzi wykorzystywanych do badania różnych procesów elektrochemicznych. Możliwość przeprowadzania badań w łącznej dziedzinie czasowo-częstotliwościowej ułatwia analizę pomiarów impedancyjnych w czasie. ESI pozwala również na analizę mechanizmu procesów elektrochemicznych w dziedzinie czasu z uwzględnieniem bardzo szybkich zjawisk, takich...

• The Optical Coherence Tomography and Raman Spectroscopy for Sensing of the Bone Demineralization Process

  Publication

  • M. J. Głowacki
  • A. M. Kamińska
  • M. Gnyba
  • J. Pluciński
  • M. Strąkowski

  - SENSORS - Year 2021

  The presented research was intended to seek new optical methods to investigate the demineralization process of bones. Optical examination of the bone condition could facilitate clinical trials and improve the safety of patients. The authors used a set of complementary methods: polarization-sensitive optical coherence tomography (PS-OCT) and Raman spectroscopy. Chicken bone samples were used in this research. To stimulate in laboratory...

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• Application of the dynamic electrochemical impedance spectroscopy to investigation of spontaneous electrochemical oscillations

  Publication

  • P. Ślepski
  • K. Leoniak

  - Physico-Chemical Mechanics of Materials - Year 2006

  Przedstawione zostały wyniki impedancyjne uzyskane podczas oscylacji prądowych miedzi w kwaśnym środowisku zawierającym jony chlorkowe. Kształt chwilowych widm impedancyjnych jest skorelowany z uzyskanym przebiegiem prądowym. Badany proces anodowego roztwarzania miedzi kontrolowany jest na przemian aktywacyjnie i dyfuzyjnie.

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• Impedance Spectroscopy as a Diagnostic Tool of Degradation of Solid Oxide Fuel Cells

  Publication

  • K. Dunst
  • S. Molin
  • P. Jasiński

  - Year 2011

  w pracy przedstawiono wyniki badań degradacji tlenkowych ogniw paliwowych przeprowadzone metodą spektroskopii impedancyjnej. Ogniwa paliwowe zostały przetestowane w eksperymentalnych warunkach, które pozwalają na uzyskanie szybkiego spadku wydajności ogniw paliwowych. impedancja i parametry uzyskane z dopasowania widm do elektrycznego obwodu zastępczego zostały skorelowane z poziomem degradacji elementów ogniw paliwowych - anody...

• Determination of percolation threshold in cement composites with expanded graphite by impedance spectroscopy

  Publication

  • W. Pichór
  • M. Frąc
  • M. Radecka

  - CEMENT & CONCRETE COMPOSITES - Year 2022

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• Fast High-Impedance Spectroscopy Method Using SINC Signal Excitation

  Publication

  • M. Kowalewski
  • G. Lentka

  - Metrology and Measurement Systems - Year 2013

  In this paper the method of fast impedance spectroscopy of technical objects with high impedance (|Zx| > 1 Gohm) is evaluated by means of simulation and practical experiment. The method is based on excitation of an object with a sinc signal and sampling response signals proportional to current flowing through and voltage across the measured impedance. The object impedance spectrum is obtained with use of continuous Fourier transform...

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• Electron impact fragmentation of pyrrole molecules studied by fluorescence emission spectroscopy

  Publication

  • T. J. Wąsowicz
  • I. Linert
  • I. Lachowicz
  • M. Zubek

  - Photonics Letters of Poland - Year 2011

  The fluorescence emission spectroscopy using electron impact excitation technique was employed to study fragmentation processes of the gas phase pyrrole molecules. The following excited fragmentation species were observed by detection of their fluorescence decay: the atomic hydrogen H(n), n = 4-7 and the diatomic CH(A2Δ), CN(B2Σ+), NH(A3Π) and C2(d3Πg) fragments. These atomic and molecular products differ from those previously...

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• Optical and chemical characterization of thin TiNx films deposited by DC-magnetron sputtering

  Publication

  • S. Wrehde
  • M. Quaas
  • R. Bogdanowicz
  • S. Hartmut
  • H. Wulff
  • R. Hippler

  - VACUUM - Year 2008

  Thin titanium nitride (tinx) films were deposited on silicon substrates by means of a reactive dc-magnetron plasma. Layers were synthesized under various conditions of discharge power and nitrogen flows in two operation modes of the magnetron (the so-called "balanced" and "unbalanced" modes). The optical constants of the tinx films were investigated by spectroscopic ellipsometry (se). X-ray photoelectron spectroscopy (xps) was...

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• Copper(II) complexes of 7-amino-2-methylchromone and 7-aminoflavone: Magneto-structural, spectroscopic and DFT characterization

  Publication

  • P. Mucha
  • M. Małecka
  • B. Kupcewicz
  • K. Lux
  • A. Dołęga
  • J. Jezierska
  • E. Budzisz

  - POLYHEDRON - Year 2018

  Four new complexes of copper(II) consisting of two different chromone derivatives with carbonyl and amine donor atoms: 7-aminoflavone (L1) and 7-amino-2-methylchromone (L2), were synthesized and characterized by X-ray diffraction, UV–Vis, FT-IR, EPR spectroscopy, MS and elemental analysis. In all four compounds, the chromone derivatives were found to act as monodentate O- or N-ligands. The structural characteristics of 1a and...

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• Magnetic, Structural and Spectroscopic Properties of Iron(II)-Octacyanoniobate(IV) Crystalline Film Obtained by Ion-Exchange Synthesis

  Publication

  • W. Sas
  • D. Pinkowicz
  • M. Perzanowski
  • M. Fitta

  - Materials - Year 2020

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• Spectroscopic and theoretical investigation into substituent- and aggregation-related dual fluorescence effects in the selected 2-amino-1,3,4-thiadiazoles

  Publication

  • I. Budziak
  • D. Karcz
  • M. Makowski
  • B. Myśliwa-Kurdziel
  • K. Kasprzak
  • A. Matwijczuk
  • E. Chruściel
  • A. Oniszczuk
  • L. Adwent
  • A. Matwijczuk

  - JOURNAL OF MOLECULAR LIQUIDS - Year 2019

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• Biomimetic zinc(II) and cobalt(II) complexes with tri-tert-butoxysilanethiolate and imidazole ligands – Structural and spectroscopic studies

  Publication

  • A. Dołęga
  • A. Pladzyk
  • K. Baranowska
  • J. Jezierska

  - INORGANICA CHIMICA ACTA - Year 2009

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• Spectroscopic Properties of Erbium-Doped Oxyfluoride Phospho-Tellurite Glass and Transparent Glass-Ceramic Containing BaF2 Nanocrystals

  Publication

  • M. Lesniak
  • J. Zmojda
  • M. Kochanowicz
  • P. Miluski
  • A. Baranowska
  • G. Mach
  • M. Kuwik
  • J. Pisarska
  • W. Pisarski
  • D. Dorosz

  - Materials - Year 2019

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• Spectroscopic investigation of Tb(tmhd)3 - Eu(tmhd)3 co-doped poly(methyl methacrylate) fibre

  Publication

  • P. Miluski
  • M. Kochanowicz
  • J. Zmojda
  • T. Ragin
  • D. Dorosz

  - OPTICAL MATERIALS - Year 2019

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• Thermal, spectroscopic and luminescence investigations of lanthanide(III) coordination polymers based on V-shaped 4,4′-sulfonyldibenzoic acid

  Publication

  • R. Łyszczek
  • A. Ostasz
  • A. Bartyzel
  • A. Lipke

  - JOURNAL OF ANALYTICAL AND APPLIED PYROLYSIS - Year 2015

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• Synthesis, characterization and spectroscopic properties of novel periphery – functionalized unsymmetrical porphyrazines containing mixed dithienylpyrrolyl and dimethylamino groups

  Publication

  • T. Goslinski
  • A. White

  - Polyhedron - Year 2009

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• Biomimetic zinc(II) and cobalt(II) complexes with tri-tert-butoxysilanethiolate and imidazole ligands - structural and spectroscopic studies.

  Publication

  • A. Dołęga
  • A. Pladzyk
  • K. Kazimierczuk
  • J. Jezierska

  - INORGANICA CHIMICA ACTA - Year 2009

  Nowe heteroleptyczne kompleksy tri-tert-butoksysilanotiolanowe Zn(II) i Co(II) z dodatkowymi ligandami imidazolowymi zostały scharakteryzowane strukturalnie i spektralnie. Otrzymano kompleksy o różnych centrach koordynacji w zależności od ligandów imidazolowych. Dla jonów Co(II)otrzymano kompleksy o rdzeniach: NOS2 (z cząsteczką metanolu jako O-donorowy ligand) w związku 2', NO2S2 w 2'', N2S2 w 1, zaś w przypadku jonów Zn(II):...

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• Synthetic, Structural, and Spectroscopic Characterization of a Novel Family of High-Spin Iron(II) [(β-Diketiminate)(phosphanylphosphido)] Complexes

  Publication

  • R. Grubba
  • K. Kaniewska-Laskowska
  • Ł. Ponikiewski
  • B. Cristóvão
  • W. Ferenc
  • A. Dragulescu-Andrasi
  • J. Krzystek
  • S. Stoian
  • J. Pikies

  - INORGANIC CHEMISTRY - Year 2017

  This work describes a series of iron(II) phosphanylphosphido complexes. These compounds were obtained by reacting lithiated diphosphanes R2PP(SiMe3)Li (R = t-Bu, i-Pr) with an iron(II) β-diketiminate complex, [LFe(μ2-Cl)2Li(DME)2] (1), where DME = 1,2-dimethoxyethane and L = Dippnacnac (β-diketiminate). While the reaction of 1 with t-Bu2PP(SiMe3)Li yields [LFe(η1-Me3SiPPt- Bu2)] (2), that of 1 with equimolar amounts of i-Pr2PP(SiMe3)Li,...

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• The FT-IR and Raman Spectroscopies as Tools for Biofilm Characterization Created by Cariogenic Streptococci

  Publication

  • B. Gieroba
  • M. Krysa
  • K. Wojtowicz
  • A. Wiater
  • M. Pleszczyńska
  • M. Tomczyk
  • A. Sroka-Bartnicka

  - International Journal of Molecular Sciences - Year 2020

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• Application of Electrochemical Impedance Spectroscopy to evaluate cathodically protected coated steel in seawater

  Publication

  • M. Narożny
  • K. Żakowski
  • K. Darowicki

  - CONSTRUCTION AND BUILDING MATERIALS - Year 2018

  Two types of organic coated carbon steel (S235JR2 grade) electrodes were exposed to artificial seawater environment. One prepared type was defect free while the other one had an intentionally introduced φ0,5 cm coating defect. Both kinds of samples were polarized during the exposure to four potentials corresponding to four different cathodic protection levels. Evolution of their EIS spectra is presented in this paper. Results obtained...

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• Colored Tattoo Ink Screening Method with Optical Tissue Phantoms and Raman Spectroscopy

  Publication

  • F. Sadura
  • M. Wróbel
  • K. Karpienko

  - Materials - Year 2021

  Due to the increasing popularity of tattoos among the general population, to ensure their safety and quality, there is a need to develop reliable and rapid methods for the analysis of the composition of tattoo inks, both in the ink itself and in already existing tattoos. This paper presents the possibility of using Raman spectroscopy to examine tattoo inks in biological materials. We have developed optical tissue phantoms mimicking...

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• Ultrastructural analysis of the submandibular sialoliths: Raman spectroscopy and electron back-scatter studies

  Publication

  • D. Tretiakov
  • A. Skorek
  • J. Ryl
  • J. Wysocka
  • K. Darowicki
  • D. Tretiakow

  - ULTRASTRUCTURAL PATHOLOGY - Year 2020

  The aim of work was the epidemiological analysis of the occurrence of sialolithiasis of the submandibular gland in adults and the evaluation of the ultrastructure of salivary stones. The study sample consisted of 44 sialoliths. Analysis of the structure and chemical composition of sialoliths was performed using a Scanning Electron Microscope and Raman Spectroscopy. Comparing our results with the literature we can say that the epidemiology...

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• Use of impedance spectroscopy to evaluate the durability of protective coatings after thermal shock

  Publication

  • A. Miszczyk
  • K. Darowicki
  • K. Darowicki

  - CORROSION SCIENCE - Year 1998

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• Synthesis, spectroscopy and computational studies of some biologically important hydroxyhaloquinolines and their novel derivatives

  Publication

  • G. Małecki
  • J. Nycz
  • E. Ryrych
  • Ł. Ponikiewski
  • M. Nowak
  • J. Kusz
  • J. Pikies

  - JOURNAL OF MOLECULAR STRUCTURE - Year 2010

  A series crystalline compounds of methyl and phosphinyl derivatives of 2-methylquinolin-8-ol (1a) and related 5,7-dichloro-2-methylquinolin-8-ol (1b) were quantitatively prepared and characterized by microanalysis, IR, UV-vis and multinuclear NMR spectroscopy. Five of them have been characterized by single crystal X-ray diffraction method. The known compounds, 8-methoxy-2-methylquinoline (2a) and 8-methoxyquinoline (2d), were synthesised...

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• Method using square-pulse excitation for high-impedance spectroscopy of anticorrosion coatings

  Publication

  • J. Hoja
  • G. Lentka

  - IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT - Year 2011

  Artykuł prezentuje metodę spektroskopii impedancyjnej przeznaczonej do diagnostyki powłok antykorozyjnych na obiektach bezpośrednio w terenie. Aby skrócić czas uzyskania widma impedancji (w zakresie od 1 mHz do 1 MHz) do kilku minut, wykorzystano sygnały harmoniczne do pomiaru widma powyżej 10 Hz a impuls prostokątny w dolnym zakresie częstotliwości. Do wyznaczania widma użyto algorytmów DSP odpowiednich do sygnału pobudzenia....

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• Investigation of H2:CH4 plasma composition by means of spatially resolved optical spectroscopy

  Publication

  • R. Bogdanowicz

  - ACTA PHYSICA POLONICA A - Year 2008

  The system based on spatially resolved optical emission spectroscopy dedicated for in situ diagnostics of plasma assisted CVD processes is presented in this paper. Measurement system coupled with chemical vapour deposition chamber by dedicated fiber-optic paths enables investigation of spatial distribution of species densities (Hx, H+, CH, CH+) during chemical vapour deposition process. Experiments were performed for a various...

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• Stereochemical Assingment of β -lactam Antibiotics and their Analogues by Electronic Circular Dichroism Spectroscopy

  Publication

  • M. Woznica
  • P. Kowalska
  • R. Lysek
  • M. Masnyk
  • M. Gorecki
  • M. Kwit
  • F. Furche
  • J. Frelek
  • M. Górecki

  - CURRENT ORGANIC CHEMISTRY - Year 2010

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• FT-Raman Spectroscopy as a Tool to Study the Secondary Structures of Wheat Gliadin Proteins

  Publication

  • I. Stawoska
  • A. Wesełucha-Birczyńska
  • A. Skoczowski
  • M. Dziurka
  • J. Waga

  - MOLECULES - Year 2021

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• Testing interaction models by using x-ray absorption spectroscopy: solid Pb

  Publication

  • D. A. Cicco
  • M. Minicucci
  • E. Principi
  • A. Witkowska
  • J. Rybicki
  • R. Laskowski

  - JOURNAL OF PHYSICS-CONDENSED MATTER - Year 2002

  Praca prezentuje zastosowanie metody EXAFS jako narzędzia do testowania potencjałów oddziaływań międzyatomowych używanych w symulacjach dynamiczno-molekularnych na przykładzie czystego ołowiu w fazie stałej (od temperatury pokojowej do temperatury topnienia). Testowaniu poddano następujące potencjały: dwuciałowy empiryczny potencjał Dzugutova, Larssona i Ebbsjo (DLE), potencjał ciasnego wiązania (TB) i potencjał w modelu osadzonego...

• Application of Galvanostatic Non-Linear Impedance Spectroscopy to the Analysis of Metallic Material Degradation

  Publication

  • P. Ślepski
  • H. Gerengi
  • D. Parasińska
  • Ł. Gaweł

  - Materials - Year 2024

  This study presents a novel application of Non-Linear Electrochemical Impedance Spectroscopy (NLEIS) in galvanostatic mode for the rapid, non-destructive assessment of metal degradation. By using galvanostatic mode instead of traditional potentiostatic methods, polarization-related challenges are mitigated, enabling more accurate and reliable analysis. The technique allows for the determination of corrosion rates (corrosion current)...

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• Electrochemical Evaluation of Sustainable Corrosion Inhibitors via Dynamic Electrochemical Impedance Spectroscopy

  Publication

  • P. Ślepski
  • H. Gerengi
  • G. Gece
  • E. Kaya
  • M. Rizvi
  • M. Szociński

  - Year 2021

  Finding suitable measurement methods for the effective management of electrochemical problems is of paramount importance, particularly for improving efficiency in corrosion protection. The need for accurate measurement techniques specific to nonstationary conditions has long been recognized, and promising approaches have emerged. This chapter introduces dynamic electrochemical impedance spectroscopy as a novel advancement in electrochemistry...

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• Comparison of corrosion resistance of al-alloys by means of dynamic electrochemical impedance spectroscopy

  Publication

  • S. Krakowiak
  • P. Ślepski

  - Physico-Chemical Mechanics of Materials - Year 2006

  Przeprowadzono badania metodą dynamicznej elektrochemicznej spektroskopii impedancyjne stopów 1100 i 5162. Zaproponowano zastępcze modele elektryczne opisujące zachowanie się stopów w warunkach ekspozycji w roztworach zawierających wysokie stężenie jonów chlorkowych. Wyznaczono zmiany podstawowych parametrów elektrycznych układów zastępczych od potencjału. Stwierdzono wyższą podatność na korozję stopu 5162 w porównaniu ze stopem...

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• Non-invasive blood glucose monitoring with Raman spectroscopy: prospects for device miniaturization

  Publication

  • M. Wróbel

  - Year 2015

  The number of patients with diabetes has reached over 350 million, and still continues to increase. The need for regular blood glucose monitoring sparks the interest in the development of modern detection technologies. One of those methods, which allows for noninvasive measurements, is Raman spectroscopy. The ability of infrared light to penetrate deep into tissues allows for obtaining measurements through the skin without its...

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• Interactions of dissolved dsDNA with intercalating drug by anodic voltammetry and spectroscopy. Influence of pH

  Publication

  • A. Nowicka
  • E. Zabost
  • B. Klim
  • Z. Mazerska
  • Z. Stojek

  - ELECTROANALYSIS - Year 2009

  Oddziaływanie związku przeciwnowotworowego C-1305 z DNA było badane przy pomocy impulsowej voltametrii różnicowej oraz spektroskopii UV/Vis. Triazoloakrydon C-1305 oddziałuje z DNA na dwóch drogach: przez interkalacje pomiedzy pary zasad oraz przez wiązanie sie w małym rowku helisy. W fizjologicznym pH (7,4) stałe wiązania wynoszą: K1=3,36E+5 i K2=0,18E+5 [1/M] a wielkość miejsca wiązania: n1=2,5 i n2=4,0, odpowiednio dla pierwszego...

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• Self-healing mechanism of metallopolymers investigated by QM/MM simulations and Raman spectroscopy

  Publication

  • S. Kupfer
  • L. Zedler
  • J. Guthmuller
  • S. Bode
  • M. Hager
  • U. Schubert
  • J. Popp
  • S. Gräfe
  • B. Dietzek

  - PHYSICAL CHEMISTRY CHEMICAL PHYSICS - Year 2014

  The thermally induced self-healing mechanisms in metallopolymers based on bisterpyridine complexes of iron(II) sulfate and cadmium(II) bromide, respectively, were studied by means of combined quantum mechanical/molecular mechanical (QM/MM) simulations and Raman spectroscopy. Two possible healing schemes, one based on a decomplexation of the cross-linking complexes and a second one relying on the dissociation of ionic clusters,...

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• Synthesis, spectroscopy and computational studies of some novelphosphorylated derivatives of quinoline-5,8-diones

  Publication

  • J. Nycz
  • G. Malecki
  • Ł. Ponikiewski
  • M. Leboschka
  • M. Nowak
  • J. Kusz

  - JOURNAL OF MOLECULAR STRUCTURE - Year 2011

  The neutral phosphorus nucleophiles such as R2P(=Y)M allowed the radical addition to 2-methyl-5,8-dioxo-5,8-dihydroquinoline-7-amine and N-(2-methyl-5,8-dioxo-5,8-dihydroquinolin-7-yl)acetamide giving exclusively O-phosphorylated products. All products were quantitatively prepared and characterized by microanalysis, and multinuclear NMR spectroscopy. Seven of them, have been characterized by single crystal X-ray diffraction method....

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• Depression as is Seen by Molecular Spectroscopy. Phospholipid- Protein Balance in Affective Disorders and Dementia

  Publication

  • D. Pogocki
  • J. Kisała
  • J. Cebulski

  - CURRENT MOLECULAR MEDICINE - Year 2020

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• FTIR, Raman spectroscopy and HT-XRD in compatibility study between naproxen and excipients

  Publication

  • B. Rojek
  • M. Gazda
  • A. Plenis

  - SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY - Year 2023

  Detection of incompatibility between an active pharmaceutical ingredient (API) and excipients, including the selection of the most biopharmaceutical advantageous excipients is extremely important in the pre-formulation process of developing a solid dosage form technology. Therefore, having fast and reliable methods for identifying incompatibility is fundamental in pharmaceutical technology. For this purpose, combined Fourier transform...

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• X-ray Photoelectron Spectroscopy of Carboxylic Acids as Corrosion Inhibitors of Aluminium Alloys

  Publication

  • J. Ryl
  • J. Wysocka

  - Year 2022

  The datasets, titled X-ray Photoelectron Spectroscopy studies of citric acid adsorption on aluminium alloy 5754 in alkaline media and X-ray Photoelectron Spectroscopy studies of various carboxylic acids adsorption on aluminium alloys in alkaline media, contain XPS studies of the corrosion inhibitory action of selected dicarboxylic acids towards commercially available aluminium alloy 5754 in alkaline media at pH=11. These datasets...

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• DETERMINATION OF SP3 FRACTION IN ta-C COATING USING XPS AND RAMAN SPECTROSCOPY

  Publication

  • V. Zavaleyev
  • J. Walkowicz
  • M. Sawczak
  • M. Klein
  • D. Moszyński
  • R. Chodun
  • K. Zdunek

  - Problems of Atomic Science and Technology - Year 2016

  The paper presents results of studies on the structure of tetrahedral amorphous carbon films (ta-C) with a thickness in the range from 20 to 280 nm, deposited using pulsed vacuum arc technique with an electromagnetic Venetian blind plasma filter. The results of the phase structure analysis, obtained using visible Raman spectroscopy and UV Raman spectroscopy methods, showed a strong dependence of the results on the presence, on...

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• Detection of Denatonium Benzoate (Bitrex) Remnants in Noncommercial Alcoholic Beverages by Raman Spectroscopy

  Publication

  • A. Kwiatkowski
  • M. Czerwicka
  • J. Smulko
  • P. Stepnowski

  - JOURNAL OF FORENSIC SCIENCES - Year 2014

  Illegal alcoholic beverages are often introduced into market using cheap technical alcohol, which is contaminated by denatonium benzoate (Bitrex) of very small concentration. Bitrex is the most bitter chemical compound and has to be removed before alcohol consumption. The home-made methods utilize sodium hypochlorite to disintegrate particles of denatonium benzoate in alcohol and to remove bitter taste before trading. In this experimental...

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• Biosilica from sea water diatoms algae—electrochemical impedance spectroscopy study

  Publication

  • A. Nowak
  • A. Lisowska-Oleksiak
  • B. Wicikowska
  • M. Gazda

  - JOURNAL OF SOLID STATE ELECTROCHEMISTRY - Year 2017

  Here, we report on an electrochemical impedance study of silica of organic origin as an active electrode material. The electrode material obtained from carbonized marine biomass containing nanoporous diatoms has been characterised by means of XRD, IR, SEM and EIS. Dif- ferent kinds of crystallographic phases of silica as a result of thermal treatment have been found. The electrode is electrochemically stable during subsequent cyclic...

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• Influence of reactive oxygen species during deposition of iron oxide films by high power impulse magnetron sputtering.

  Publication

  • V. Stranak
  • Z. Hubicka
  • M. Cada
  • R. Bogdanowicz
  • H. Wulff
  • C. Helm
  • R. Hippler

  - JOURNAL OF PHYSICS D-APPLIED PHYSICS - Year 2018

  Iron oxide films were deposited using high power impulse magnetron sputtering (HiPIMS) of an iron cathode in an argon/oxygen gas mixture at different gas pressures (0.5~Pa, 1.5~Pa, and 5.0~Pa). The HiPIMS system was operated at a repetition frequency $f = 100$~Hz with a duty cycle of 1~\%. A main goal is a comparison of film growth during conventional and electron cyclotron wave resonance-assisted HiPIMS. The deposition plasma...

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