Search Results - "Lojewska, J"

Degradation markers of fibroin in silk through infrared spectroscopy by Koperska, M.A., Pawcenis, D., Bagniuk, J., Zaitz, M.M., Missori, M., Łojewski, T., Łojewska, J.

“…Infrared spectroscopy (FTIR) is a commonly available tool in laboratories dealing with both degradation of materials and conservation of art objects to…”
Get full text

In situ spectroscopic studies of methane catalytic combustion over Co, Ce, and Pd mixed oxides deposited on a steel surface by Jodłowski, P.J., Jędrzejczyk, R.J., Chlebda, D., Gierada, M., Łojewska, J.

“…[Display omitted] •The mechanism of methane catalytic combustion over mixed Co/Pd catalyst is studied.•Palladium doped cobalt catalyst shows high activity in…”
Get full text

Recognizing ancient papyri by a combination of spectroscopic, diffractional and chromatographic analytical tools by Łojewska, J., Rabin, I., Pawcenis, D., Bagniuk, J., Aksamit-Koperska, M. A., Sitarz, M., Missori, M., Krutzsch, M.

“…Ancient papyri are a written heritage of culture that flourished more than 3000 years ago in Egypt. One of the most significant collections in the world is…”
Get full text

Evaluating degradation of silk’s fibroin by attenuated total reflectance infrared spectroscopy: Case study of ancient banners from Polish collections by Koperska, M.A., Łojewski, T., Łojewska, J.

“…[Display omitted] •ATR-FTIR estimators to describe crystallinity and oxidation of fibroin were chosen.•A new, proposed estimator ECOOH monitors the hydrolysis…”
Get full text

Towards Methane Combustion Mechanism on Metal Oxides Supported Catalysts: Ceria Supported Palladium Catalysts by Chrzan, M., Chlebda, D., Jodłowski, P., Salomon, E., Kołodziej, A., Gancarczyk, A., Sitarz, M., Łojewska, J.

“…The application of methane as a fuel in the automotive industry shows an increasing tendency, but its release into the atmosphere is detrimental due to its…”
Get full text

Optical response of strongly absorbing inhomogeneous materials: Application to paper degradation by Missori, M., Pulci, O., Teodonio, L., Violante, C., Kupchak, I., Bagniuk, J., Łojewska, J., Conte, A. Mosca

“…In this paper, we present a new noninvasive and nondestructive approach to recover scattering and absorption coefficients from reflectance measurements of…”
Get full text

Flow resistance and heat transfer in short channels of metallic monoliths: Experiments versus CFD by Iwaniszyn, M., Piątek, M., Gancarczyk, A., Jodłowski, P.J., Łojewska, J., Kołodziej, A.

“…[Display omitted] •Effect of change the short-channel structure length on flow characteristics.•Significant intensification of heat/mass transfer by shortening…”
Get full text

FTIR and UV/vis as methods for evaluation of oxidative degradation of model paper: DFT approach for carbonyl vibrations by Łojewski, T., Miśkowiec, P., Missori, M., Lubańska, A., Proniewicz, L.M., Łojewska, J.

“…The oxidative route of cellulose degradation during artificial ageing of paper in humid air (RH 59%, 90 °C) has been followed by FTIR and UV/vis spectroscopic…”
Get full text

Cu SSZ-13 zeolite catalyst on metallic foam support for SCR of NOx with ammonia: Catalyst layering and characterisation of active sites by Kryca, J., Jodłowski, P.J., Iwaniszyn, M., Gil, B., Sitarz, M., Kołodziej, A., Łojewska, T., Łojewska, J.

“…[Display omitted] •In situ synthesis of SSZ-13 and ZSM-5 on surface of foam carriers elaborated.•In situ FTIR reveals types of actives sites in Cu exchanged…”
Get full text

New method of determination of intrinsic kinetic and mass transport parameters from typical catalyst activity tests: Problem of mass transfer resistance and diffusional limitation of reaction rate by Jodłowski, P.J., Jędrzejczyk, R.J., Gancarczyk, A., Łojewska, J., Kołodziej, A.

“…[Display omitted] •Numerical model separates intrinsic kinetic parameters from transport coefficients.•Choice of the woven gauzes enhances heat and mass…”
Get full text

Cellulose oxidative and hydrolytic degradation: In situ FTIR approach by Łojewska, J., Miśkowiec, P., Łojewski, T., Proniewicz, L.M.

“…This study concentrated upon refining an in-situ FTIR method to study accelerated ageing of paper under controlled conditions. The standardisation method…”
Get full text

Copper exchanged ultrastable zeolite Y – A catalyst for NH3-SCR of NOx from stationary biogas engines by Ochońska, J., McClymont, D., Jodłowski, P.J., Knapik, A., Gil, B., Makowski, W., Łasocha, W., Kołodziej, A., Kolaczkowski, S.T., Łojewska, J.

“…[Display omitted] ► Cu exchanged ultrastable Y zeolite (Cu-USY) of high NH3SCR conversion and selectivity toward N2. ► Low temperature activity of Cu-Y and…”
Get full text

Structure Effects on Activity of Plasma Deposited Cobalt Oxide Catalysts for VOC Combustion by Jodłowski, P. J., Jędrzejczyk, R. J., Chlebda, D., Tyczkowski, J., Kryca, J., Kołodziej, A., Łojewska, J.

“…The aim of this study was to obtain and characterise the series of cobalt based structured catalysts prepared by non-equilibrium plasma deposition. The…”
Get full text

Spectroscopic studies of MFI and USY zeolite layers over stainless steel 316L wire gauze meshes by Kuterasiński, Ł., Bodzioch, P., Dymek, K., Jędrzejczyk, R.J., Chlebda, D.K., Łojewska, J., Sitarz, M., Kurowski, G., Jeleń, P., Jodłowski, P.J.

“…The objective of our study was to develop and optimize the in situ synthesis of zeolitic thin coatings with USY (ultrastabilised form of faujasite) and MFI…”
Get full text

Role of cellulose oxidation in the yellowing of ancient paper by Mosca Conte, A, Pulci, O, Knapik, A, Bagniuk, J, Del Sole, R, Lojewska, J, Missori, M

“…The yellowing of paper on aging causes major aesthetic damages of cultural heritage. It is due to cellulose oxidation, a complex process with many possible…”
Get full text

Topography and morphology of multicomponent catalytic materials based on Co, Ce and Pd oxides deposited on metallic structured carriers studied by AFM/Raman interlaced microscopes by Łojewska, J., Knapik, A., Jodłowski, P., Łojewski, T., Kołodziej, A.

“…•Coupled AFM/Raman microscopy grasps heterogeneity of multicomponent catalysts.•Precalcined kanthal steel (catalyst carrier) composed of α-Al2O3 and…”
Get full text

Thin cobalt oxide films for catalysis deposited by plasma-enhanced metal–organic chemical vapor deposition by Tyczkowski, J., Kapica, R., Łojewska, J.

“…The plasma-enhanced metal–organic chemical vapor deposition was used to prepare thin films of cobalt oxide starting with cyclopentadienyldicarbonyl–cobalt(I)…”
Get full text

Visual degradation in Leonardo da Vinci's iconic self-portrait: A nanoscale study by Conte, A. Mosca, Pulci, O., Misiti, M. C., Lojewska, J., Teodonio, L., Violante, C., Missori, M.

“…The discoloration of ancient paper, due to the development of oxidized groups acting as chromophores in its chief component, cellulose, is responsible for…”
Get full text

Spectroscopic characterization of Co3O4 catalyst doped with CeO2 and PdO for methane catalytic combustion by Jodłowski, P.J., Jędrzejczyk, R.J., Rogulska, A., Wach, A., Kuśtrowski, P., Sitarz, M., Łojewski, T., Kołodziej, A., Łojewska, J.

“…[Display omitted] •μRaman, XPS and EDX methods used to analyze catalyst material distribution.•Palladium doped cobalt catalyst shows amazingly high activity in…”
Get full text

Quantitative diagnostics of ancient paper using THz time-domain spectroscopy by Missori, M., Pawcenis, D., Bagniuk, J., Mosca Conte, A., Violante, C., Maggio, M.S., Peccianti, M., Pulci, O., Łojewska, J.

“…In this work we have studied the terahertz spectra of modern artificially aged and ancient paper samples using terahertz time-domain spectroscopy. Hydrothermal…”
Get full text