Zobrazeno 1 - 10
of 214
pro vyhledávání: '"Andrzej Kotarba"'
Publikováno v:
Applied Surface Science Advances, Vol 24, Iss , Pp 100648- (2024)
Effective surface functionalization of carbon nanomaterials plays a crucial role in various applications. We investigated the impact of edges on surface functionalization and stability of oxygen-modified carbon materials using a combination of experi
Externí odkaz:
https://doaj.org/article/2ecbc624cd4a493992dca77258c34177
Autor:
Karolina Zajac, Joanna Macyk, Konrad Szajna, Franciszek Krok, Wojciech Macyk, Andrzej Kotarba
Publikováno v:
Nanomaterials, Vol 14, Iss 16, p 1372 (2024)
A new two-step method for developing a nanocomposite of polypropylene (PP) decorated with photocatalytically active TiO2 nanoparticles (nTiO2) is proposed. This method involves the low-temperature plasma functionalization of polypropylene followed by
Externí odkaz:
https://doaj.org/article/db335041cd4441c7bdfd3e280d0a4d72
Autor:
Kamil Drożdż, Monika Gołda-Cępa, Paulina Chytrosz-Wróbel, Andrzej Kotarba, Monika Brzychczy-Włoch
Publikováno v:
International Journal of Biomaterials, Vol 2024 (2024)
Polyurethanes (PUs) are versatile polymers used in medical applications due to their high flexibility and fatigue resistance. PUs are widely used for synthetic blood vessels, wound dressings, cannulas, and urinary and cardiovascular catheters. Many s
Externí odkaz:
https://doaj.org/article/6181cc0038e1434faa15a25576f56031
Publikováno v:
Applied Surface Science Advances, Vol 18, Iss , Pp 100497- (2023)
The surface properties of polymeric biomaterials play a crucial role in their biocompatibility and performance. This study explores the application of cold oxygen plasma treatment as a versatile technique for surface modification of polymeric materia
Externí odkaz:
https://doaj.org/article/f901b97cae4047b5a6e0b6cac2a17591
Publikováno v:
Nanomaterials, Vol 14, Iss 6, p 483 (2024)
Soot combustion experiments with 5%O2/He were conducted using model soot, and four distinct compositions of CexPr1-xO2-δ oxides of varying nominal cerium compositions (x = 0, 0.2, 0.3, and 1) were prepared. The catalyst samples were comprehensively
Externí odkaz:
https://doaj.org/article/e51acd3342dc42fa82fe67d7e69abc6c
Publikováno v:
Catalysts, Vol 13, Iss 11, p 1406 (2023)
Catalytic performance of 3 and 5 wt.% of vanadia, supported on zirconia, zirconia-ceria, and zirconia-yttria, tested in the combustion of soot without and in the presence of NO was described. The catalysts were characterized by structural (XRD, RS) a
Externí odkaz:
https://doaj.org/article/592494e7cd074e049231946105e65b51
Autor:
Łukasz Ścibik, Dorota Ochońska, Monika Gołda-Cępa, Konrad Kwiecień, Elżbieta Pamuła, Andrzej Kotarba, Monika Brzychczy-Włoch
Publikováno v:
Materials, Vol 16, Iss 10, p 3765 (2023)
Background: The use of nanotechnology in the production of medical equipment has opened new possibilities to fight bacterial biofilm developing on their surfaces, which can cause infectious complications. In this study, we decided to use gentamicin n
Externí odkaz:
https://doaj.org/article/4d3b9f62722446189febb0cc87d8a60b
Autor:
Ruidan Wang, Chengming Zhong, Dong Li, Xuehua Yu, Zhen Zhao, Zbigniew Sojka, Andrzej Kotarba, Yuechang Wei, Jian Liu
Publikováno v:
Frontiers in Chemistry, Vol 10 (2022)
As an efficient and durable engine, a diesel engine has a broad application. However, soot particles (PM) and nitrogen oxides (NOx) coming from diesel engines are the main causes of air pollution, so it is necessary to design and prepare an effective
Externí odkaz:
https://doaj.org/article/63b232fc0a09447791d2cba590b1e279
Publikováno v:
International Journal of Molecular Sciences, Vol 23, Iss 17, p 9650 (2022)
Surface-modified graphite is studied as an electrode material, an adsorbent, and a membrane component, among other applications. Modifying the graphite with plasma can be used to create relevant surface functionalities, in particular, various oxygen
Externí odkaz:
https://doaj.org/article/7d3a6ae6a791466fabc30397a8385b57
Autor:
Magdalena Greluk, Marek Rotko, Grzegorz Słowik, Sylwia Turczyniak-Surdacka, Gabriela Grzybek, Kinga Góra-Marek, Andrzej Kotarba
Publikováno v:
Catalysts, Vol 12, Iss 6, p 600 (2022)
The effect of a potassium promoter on the stability of and resistance to a carbon deposit formation on the Ni/MnOx catalyst under SRE conditions was studied at 420 °C for different H2O/EtOH molar ratios in the range from 4/1 to 12/1. The catalysts w
Externí odkaz:
https://doaj.org/article/53018003e4ce4815916cef624d14abc1