Zobrazeno 1 - 10
of 48
pro vyhledávání: '"Aleksandra Pawlaczyk"'
Autor:
Payam Samadi, Michal J. Binczarski, Waldemar Maniukiewicz, Aleksandra Pawlaczyk, Jacek Rogowski, Elzbieta Szubiakiewicz, Malgorzata I. Szynkowska-Jozwik, Izabela A. Witonska
Publikováno v:
Materials, Vol 16, Iss 3, p 1216 (2023)
The main goal of this study was to modify the activity of Pd/TiO2/Ti catalyst in the reaction of CO oxidation by the addition of Zn. Plasma electrolytic oxidation (PEO) of Ti wire was conducted to produce a uniform porous layer of TiO2. A mixture of
Externí odkaz:
https://doaj.org/article/71dd7b0af69e4e7183e26e607ebedaef
Autor:
Magdalena Gajek, Aleksandra Pawlaczyk, Elżbieta Maćkiewicz, Jadwiga Albińska, Piotr Wysocki, Krzysztof Jóźwik, Małgorzata Iwona Szynkowska-Jóźwik
Publikováno v:
Foods, Vol 11, Iss 18, p 2810 (2022)
Two hundred and five samples of whisky, including 170 authentic and 35 fake products, were analyzed in terms of their elemental profiles in order to distinguish them according to the parameter of their authenticity. The study of 31 elements (Ag, Al,
Externí odkaz:
https://doaj.org/article/b736ee295d2449cc9548d03e592edf5b
Autor:
Payam Samadi, Michal J. Binczarski, Aleksandra Pawlaczyk, Jacek Rogowski, Malgorzata I. Szynkowska-Jozwik, Izabela A. Witonska
Publikováno v:
Materials, Vol 15, Iss 12, p 4301 (2022)
A porous TiO2 layer was prepared with the plasma electrolytic oxidation (PEO) of Ti. In a further step, Pd was deposited on the TiO2 surface layer using the adsorption method. The activity of the Pd/TiO2/Ti catalyst was investigated during the oxidat
Externí odkaz:
https://doaj.org/article/e816036cbc0d4c71beca1c7fbae71c3b
Autor:
Marek Kozicki, Aleksandra Pawlaczyk, Aleksandra Adamska, Małgorzata Iwona Szynkowska-Jóźwik, Elżbieta Sąsiadek-Andrzejczak
Publikováno v:
International Journal of Molecular Sciences, Vol 23, Iss 10, p 5406 (2022)
Golden and silver–golden chitosan hydrogels and hydrogel-modified textiles of potential biomedical applications are investigated in this work. The hydrogels are formed by reactions of chitosan with HAuCl4·xH2O. For above the critical concentration
Externí odkaz:
https://doaj.org/article/573850aea4cd4747bb13b574259370a6
Publikováno v:
Foods, Vol 11, Iss 11, p 1616 (2022)
A total of 170 samples of whisky from 11 countries were analysed in terms of their elemental profiles. The levels of 31 elements were determined by Inductively Coupled Plasma Mass Spectrometry (ICP-MS): Ag, Al, B, Ba, Be, Bi, Cd, Co, Cr, Cu, Li, Mn,
Externí odkaz:
https://doaj.org/article/171470dcf76b45138256cb54ccd1481b
Autor:
Magdalena Gajek, Piotr Wysocki, Aleksandra Pawlaczyk, Łucja Sać, Małgorzata Iwona Szynkowska-Jóźwik
Publikováno v:
Molecules, Vol 27, Iss 9, p 2962 (2022)
Twenty-five elements, including the most essential and toxic metals, were determined in fifty beer samples stored in cans and bottles by Inductively Coupled Plasma Mass Spectrometry (ICP-MS), Inductively Coupled Plasma Optical Emission Spectroscopy (
Externí odkaz:
https://doaj.org/article/eaeafa9e62ab4cc0815f0360364aaeb5
Publikováno v:
Molecules, Vol 26, Iss 21, p 6753 (2021)
Eye shadows, which are products willingly and frequently used by women and even children, have been reported in literature to contain toxic metals. In this work, a total of 94 eye shadows samples available on the Polish market were collected. Eye sha
Externí odkaz:
https://doaj.org/article/b2cd2691f36b461f90f374b6eae38877
Autor:
Małgorzata I. Szynkowska-Jóźwik, Elżbieta Maćkiewicz, Jacek Rogowski, Magdalena Gajek, Aleksandra Pawlaczyk, Marcel de Puit, Andrzej Parczewski
Publikováno v:
Materials, Vol 14, Iss 21, p 6243 (2021)
Time-of-flight secondary ion mass spectrometry (TOF-SIMS) was applied to detect traces of amphetamine on fingerprints. In the present study, three different lift tapes and latent powder fingerprints were tested. The obtained results show that it is p
Externí odkaz:
https://doaj.org/article/f8b3f8eeb30f4e3e9f74b42b3a3ebde0
Publikováno v:
Molecules, Vol 26, Iss 8, p 2186 (2021)
Seventy-three samples of alcoholic beverages and juices that were purchased on the Polish market and home-made were analyzed for their elemental profiles. The levels of 23 metals were determined by ICP-MS (Ag, Ba, Bi, Cd, Co, Cr, Li, Mn, Ni, Pb, Sr a
Externí odkaz:
https://doaj.org/article/51bb06af12284b02881266945303863c
Publikováno v:
Molecules, Vol 26, Iss 1, p 214 (2021)
Wine is one of the most popular alcoholic beverages. Therefore, the control of the elemental composition is necessary throughout the entire production process from the grapes to the final product. The content of some elements in wine is very importan
Externí odkaz:
https://doaj.org/article/4debd4fc897741d7aa83477b765cb443