Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Władysław Werel"'
Publikováno v:
Frontiers in Molecular Biosciences, Vol 10 (2024)
Transcription initiation is a multi-step process, in which the RNA polymerase holoenzyme binds to the specific promoter sequences to form a closed complex, which, through intermediate stages, isomerizes into an open complex capable of initiating the
Externí odkaz:
https://doaj.org/article/37dc7c290e9346449dfea9c2a8a8ac0d
Autor:
Julian Chojnowski, Władysław Werel, Urszula Mizerska, Witold Fortuniak, Cecylia Tukaj, Joanna Jońca
Publikováno v:
Journal of Materials Science. Materials in Medicine
Antibacterial polysiloxane polymers with pending tert-butylamine groups are a novel class of compounds that are compatible with silicone elastomers, but their mechanism of action is not well understood. The research into their action mechanism was co
Autor:
Witold Fortuniak, Katarzyna Turecka, Julian Chojnowski, Urszula Mizerska, Agnieszka Konopacka, Stanislaw Slomkowski, Mohamed M. Chehimi, Władysław Werel, Teresa Basinska
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials. 21:576-589
Polysiloxanes of various structures having biocidal quaternary ammonium salt (QAS) groups pendant to the polymer chain were prepared. Their antibacterial activities were compared in aqueous solution. Selected polysiloxanes were linear polydimethylsil
Autor:
Julian Chojnowski, Katarzyna Turecka, Urszula Mizerska, Agnieszka Konopacka, Witold Fortuniak, Władysław Werel
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials. 20:554-563
Two kinds of new biocidal siloxane copolymers were synthesized, poly-[3(t-butylamino)propyl]methylsiloxane-co-(3-chloropropyl)methylsiloxane] and poly[dimethylsiloxane-co-(3-mercaptopropyl)methylsiloxane]-g-poly-2(t-butylamino)ethyl methacrylate]. Wa
Autor:
Karolina A. Langowska, Przemyslaw Reszka, Rafał Hałasa, Agnieszka Stencel, Andrzej Bienczak, Władysław Werel, Martin Michaelis, Patrick J. Bednarski, Franciszek Sączewski
Publikováno v:
European Journal of Medicinal Chemistry. 43:1847-1857
Eighteen new 2,6-disubstituted acrylonitriles and two new (benzimidazol-1-yl)-acetamide derivatives were prepared and screened for antibacterial and cytotoxic activities on 12 human cancer cell lines. Based on the lead structure 2-(benzimidazol-2-yl)
Autor:
Julian Chojnowski, Rafał Hałasa, Witold Fortuniak, Władysław Werel, Urszula Mizerska, Krystyna Rozga-Wijas
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials. 17:605-613
Three types of silica particles modified with vinyl groups were obtained: (i) xerogel formed by hydrolytic polycondensation of the mixture of tetramethoxysilane (TMOS) and 1,1,1,7−tetramethoxy-3,5,7-trimethyl-3,5,7-trivinyltetrasiloxane, (ii) mesop
Autor:
Julian Chojnowski, Rafał Hałasa, Witold Fortuniak, Jerzy Łukasiak, P. Rościszewski, Władysław Werel, Wojciech Kamysz
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials. 16:219-230
Octa(3-chloropropylsilsesquioxane), (T-ClPr)8, and a soluble, low molecular weight, poly(3-chloropropylsilsesquioxane) were subjected to a reaction with dimethyl-n-octylamine to convert part or almost all the chloropropyl groups to corresponding quat
Autor:
Rafał Hałasa, Patrick J. Bednarski, Przemyslaw Reszka, Elzbieta Pomarnacka, Ewa Dziemidowicz-Borys, Władysław Werel, Andrzej Bienczak
Publikováno v:
European Journal of Medicinal Chemistry. 41:633-639
Two series of 1-(6-chloro-1,1-dioxo-1,4,2-benzodithiazin-3-yl)-4-arylsemicarbazides 6-17 and 2-arylamino-8-chloro-5,5-dioxo[1,2,4]triazolo[2,3-b][1,4,2]benzodithiazines 18-26 were prepared in order to evaluate their biological activity. Compounds 6 a
Publikováno v:
European Journal of Organic Chemistry. 2004:3511-3516
The reaction of 2-chloro-4,5-dihydroimidazole (1) with aliphatic hydroxylamines 2−4 gives O-amidinylhydroxylamines 5−7 in contrast to the analogous reaction of 1 with N-arylhydroxylamines in which N-substitution occurs. A number of thiocarbamoyls
Publikováno v:
Journal of microbiological methods. 107
An analysis of the usefulness of the fluorescence optical respirometry test method to study several antimicrobials was performed. An oxygen-sensitive sensor: ruthenium-tris(4,7-diphenyl-1,10-phenanthroline) dichloride (Ru(DPP)3Cl2), the phosphorescen