Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Martin Kormunda"'
Autor:
Hana Stepankova, Hana Michalkova, Zbynek Splichal, Lukas Richtera, Pavel Svec, Tomas Vaculovic, Jan Pribyl, Martin Kormunda, Simona Rex, Vojtech Adam, Zbynek Heger
Publikováno v:
Bioactive Materials, Vol 20, Iss , Pp 489-500 (2023)
Although the general concept of nanotechnology relies on exploitation of size-dependent properties of nanoscaled materials, the relation between the size/morphology of nanoparticles with their biological activity remains not well understood. Therefor
Externí odkaz:
https://doaj.org/article/e6e9da90c26847df825914ccdd83765d
Autor:
Gloria Issa, Martin Kormunda, Oyundari Tumurbaatar, Ágnes Szegedi, Daniela Kovacheva, Daniela Karashanova, Margarita Popova
Publikováno v:
Nanomaterials, Vol 13, Iss 17, p 2428 (2023)
High surface-area, mesoporous CeO2, ZrO2, and Ce-Zr composite nanoparticles were developed using the hydrothermal template-assisted synthesis method. Samples were characterized using XRD, N2 physisorption, TEM, XPS, and FT-IR spectroscopic methods. T
Externí odkaz:
https://doaj.org/article/18962ec9b4e640f38f6b8fe83c55278c
Autor:
Adam Verner, Jonáš Tokarský, Pavla Čapková, Petr Ryšánek, Oldřich Benada, Jiří Henych, Jakub Tolasz, Martin Kormunda, Michal Syrový
Publikováno v:
Polymer Testing, Vol 110, Iss , Pp 107568- (2022)
Layered crystal structures tend to form flat platelet-like crystallites, and nanofibers having such a structure exhibit strip-like morphology. Crystallographic plane forming the dominant flat surface of the nanofibers can be used for surface modifica
Externí odkaz:
https://doaj.org/article/e579c75840c84fc88c73f3b5539a5303
Autor:
Bára Komárková, Petra Ecorchard, Monika Motlochová, Václav Slovák, Xénia Vislocká, Darina Smržová, Martin Kormunda, Petr Bezdička, Karol Lušpai, Miriama Šimunková, Dana Dvoranová, Michaela Šrámová Slušná, Lenka Belháčová, Jan Šubrt
Publikováno v:
Arabian Journal of Chemistry, Vol 15, Iss 6, Pp 103808- (2022)
The aim of this study was to explore the influence of various n-propylamines (mono, di, and tri) and tert-butylamine on the properties of prepared peroxo-titanates and annealed TiO2. Detailed structural characterization (SEM, TEM with EDX, XRD) confi
Externí odkaz:
https://doaj.org/article/26517ee55abe4afd847c48cf6097b690
Publikováno v:
Arabian Journal of Chemistry, Vol 12, Iss 8, Pp 4258-4269 (2019)
Pure titanium and cerium oxides and their composites were prepared by the modified method of homogeneous hydrolysis with urea as the precipitating agent. The as-synthesized nanostructured oxides were examined by XRD, XPS, microscopic techniques (SEM,
Externí odkaz:
https://doaj.org/article/1037db8325264cafb1fc72428b1dc57d
Publikováno v:
Materials, Vol 15, Iss 18, p 6290 (2022)
The interfacial interface between fibers and matrix plays a key role for epoxy matrix composites and short recycled randomly arranged fibers. This study used short recycled carbon fiber (RCF) as a filler. Plasma treatment was used for carbon fiber su
Externí odkaz:
https://doaj.org/article/9e9df93920124ec68976d07a4bdd0ddf
Autor:
Daniel Fischer, Andreas Hertwig, Uwe Beck, Volkmar Lohse, Detlef Negendank, Martin Kormunda, Norbert Esser
Publikováno v:
Beilstein Journal of Nanotechnology, Vol 8, Iss 1, Pp 522-529 (2017)
Background: Gas sensors are very important in several fields like gas monitoring, safety and environmental applications. In this approach, a new gas sensing concept is investigated which combines the powerful adsorption probability of metal oxide con
Externí odkaz:
https://doaj.org/article/b0cd5b69925b4978b33d90dbb48c9373
Publikováno v:
Advances in Materials Science and Engineering, Vol 2014 (2014)
Cerium oxide belongs to the most important heterogeneous catalysts, but its applicability as so-called reactive sorbent for the degradation of toxic chemicals was only recently discovered. For these purposes, cerium oxide is prepared by precipitation
Externí odkaz:
https://doaj.org/article/bb3dbb387d234cfeb3d3c21957cbe55a
Autor:
Jiří Henych, Martin Št’astný, Zuzana Němečková, Martin Kormunda, Zuzana Šanderová, Zuzana Žmudová, Petr Ryšánek, Štěpán Stehlík, Jakub Ederer, Michaela Liegertová, Josef Trögl, Pavel Janoš
Publikováno v:
ACS Applied Nano Materials. 5:17956-17968
Nanoscale cerium-bismuth oxides/oxynitrates were prepared by a scalable low-temperature method at ambient pressure using water as the sole solvent. Solid solutions were formed up to a 1:1 Ce/Bi molar ratio, while at higher doping levels, bismuth oxyn
Autor:
Nikolay Petkov, Totka Bakalova, Hristo Bahchedzhiev, Pavel Kejzlar, Petr Rysanek, Martin Kormunda, Pavla Capkova
Publikováno v:
Journal of Nano Research. 73:175-196
The influence of Al/Ti and Al/Cr ratios on the structural, mechanical and tribological properties of AlTiSiN and AlCrSiN coatings, deposited by the cathodic arc evaporation PVD method at a temperature of 400°C, was investigated. The remains of the o