Search Results - "John, Łukasz"

A Brief Review on Selected Applications of Hybrid Materials Based on Functionalized Cage-like Silsesquioxanes by John, Łukasz, Ejfler, Jolanta

“…Rapid developments in materials engineering are accompanied by the equally rapid development of new technologies, which are now increasingly used in various…”
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Silsesquioxane Cages under Solvent Regimen: The Influence of the Solvent on the Hydrolysis and Condensation of Alkoxysilane by Władyczyn, Anna, John, Łukasz

“…This study investigates the formation mechanisms of oligomeric phenyl silanols, focusing on polyhedral oligomeric silsesquioxane (POSS) and double-decker…”
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Unprecedented Route to Amide-Functionalized Double-Decker Silsesquioxanes Using Carboxylic Acid Derivatives and a Hydrochloride Salt of Aminopropyl-DDSQ by Władyczyn, Anna, John, Łukasz

“…An easy, efficient, and scalable synthetic procedure is described to obtain novel amide-functionalized double-decker silsesquioxanes (DDSQs). The use of mild…”
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Synthesis of Heterometallic Compounds with Uncommon Combinations of Elements for Oxide Nanomaterials Using Organometallics by John, Łukasz, Sobota, Piotr

“…Oxide nanomaterials with interesting electronic and magnetic properties have applications including superconductors, magnetic core materials, high-frequency…”
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Synthesis, Crystal Structures, and Optical and Magnetic Properties of Samarium, Terbium, and Erbium Coordination Entities Containing Mono-Substituted Imine Silsesquioxane Ligands by Wytrych, Patrycja, Utko, Józef, Stefanski, Mariusz, Kłak, Julia, Lis, Tadeusz, John, Łukasz

“…Mono-substituted cage-like silsesquioxanes of the T8-type can play the role of potential ligands in the coordination chemistry. In this paper, we report on…”
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Possible coordination modes of copper(II) atom in model silsesquioxanes complexes at various pH conditions: DFT study by Michalczyk, Mariusz, Piec, Kamila, Zierkiewicz, Wiktor, Ejfler, Jolanta, John, Łukasz

“…[Display omitted] •4 conformers of POSS-1 model ligand were evaluated to check potential binding sites.•Coordination model of copper(II) cation depends on the…”
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First step towards a model system of the drug delivery network based on amide-POSS nanocarriers by John, Lukasz, Malik, Mariola, Janeta, Mateusz, Szafert, Slawomir

“…Among the varied and diverse family of drug delivery systems (DDSs), such as polymer–drug conjugates, polymeric micelles, dendrimers and molecular containers,…”
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Selected developments and medical applications of organic–inorganic hybrid biomaterials based on functionalized spherosilicates by John, Lukasz

“…Well-defined and tailor-made spherosilicates and POSS-based (POSS = Polyhedral Oligomeric Silsesquioxanes) (nano)composites with interesting chemical and…”
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Polyoxometalate‐like structure of new potassium triphenylsiloxides: [K6(OSiPh3)6(C3H7OH)(H2O)]·2C6H5CH3 and [K6(OSiPh3)6(H2O)2] by Wytrych, Patrycja, Utko, Józef, Lis, Tadeusz, John, Łukasz

“…The synthesis and structural characterization of two new potassium triphenylsiloxides, namely, aqua(propan‐2‐ol)hexakis(triphenylsilanolato)hexapotassium…”
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Efficient conversion of black cumin cake from industrial waste into lipopeptide biosurfactant by Pseudomonas fluorescens by Ciurko, Dominika, Łaba, Wojciech, Kancelista, Anna, John, Łukasz, Gudiña, Eduardo J., Lazar, Zbigniew, Janek, Tomasz

“…Most biosurfactants are obtained using costly culture media, which limits their wider industrial use. In the present study, a low-cost culture medium,…”
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Lactide as the Playmaker of the ROP Game: Theoretical and Experimental Investigation of Ring-Opening Polymerization of Lactide Initiated by Aminonaphtholate Zinc Complexes by Jędrzkiewicz, Dawid, Adamus, Grażyna, Kwiecień, Michał, John, Łukasz, Ejfler, Jolanta

“…A family of homo- and heteroleptic zinc complexes bearing aminonaphtholate ligands was synthesized and fully characterized. Using NMR spectroscopy and DFT…”
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Novel hybrid composites based on double-decker silsesquioxanes functionalized by methacrylate derivatives and polyvinyl alcohol as potential materials utilized in biomedical applications by Władyczyn, Anna, Simiczyjew, Aleksandra, Nowak, Dorota, Wądzyńska, Justyna, John, Łukasz

“…The use of diverse biomaterials for regenerative medicine is constantly evolving. Therefore, looking for easy-to-scale-up materials in terms of preparation,…”
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High-Yield Synthesis of Amido-Functionalized Polyoctahedral Oligomeric Silsesquioxanes by Using Acyl Chlorides by Janeta, Mateusz, John, Łukasz, Ejfler, Jolanta, Szafert, Sławomir

“…Homosubstituted amido‐functionalized polyoctahedral oligomeric silsesquioxanes (POSS) have been synthesized by using acyl chlorides in high yields (ca. 95 %)…”
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Binary bioactive glass composite scaffolds for bone tissue engineering—Structure and mechanical properties in micro and nano scale. A preliminary study by Woźniak, Michał J., Chlanda, Adrian, Oberbek, Przemysław, Heljak, Marcin, Czarnecka, Katarzyna, Janeta, Mateusz, John, Łukasz

“…•polymer coating-dependent topographical and mechanical changes of the surface were detected.•polymer coated bioactive glass scaffolds were characterized with…”
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Unexpected Reactions between Ziegler–Natta Catalyst Components and Structural Characterization of Resulting Intermediates by Sobota, Piotr, Utko, Józef, Lis, Tadeusz, John, Łukasz, Petrus, Rafał, Drąg-Jarząbek, Anna

“…In this work, we investigated precursors and procatalysts with well-defined crystal structures and morphologies in Ziegler–Natta systems to improve our…”
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Synthesis and Structural Characterization of a New Molecular Precursor for BaHfO3: A Simple Approach to Eu-Based Phosphors by Drąg-Jarząbek, Anna, Kosińska, Magdalena, John, Łukasz, Jerzykiewicz, Lucjan B, Sobota, Piotr

“…A single-source molecular precursor [Ba4Hf2(μ6-O)(μ3,η2-OR)8(μ-OR)2(μ-ROH)4Cl4] (ROH = CH3OCH2CH2OH) for mixed-metal oxide materials was prepared via…”
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Designing of macroporous magnetic bioscaffold based on functionalized methacrylate network covered by hydroxyapatites and doped with nano-MgFe2O4 for potential cancer hyperthermia therapy by John, Łukasz, Janeta, Mateusz, Szafert, Sławomir

“…In this paper, we report on synthesis and characterization of three-dimensional biocomposite based on a polymerized 3-(trimethoxysilyl)propyl…”
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Cyclopentadienyl/Alkoxo Ligand Exchange in Group 4 Metallocenes: A Convenient Route to Heterometallic Species by Sobota, Piotr, Dra̧g-Jarza̧bek, Anna, John, Łukasz, Utko, Józef, Jerzykiewicz, Lucjan B, Duczmal, Marek

“…A simple and efficient strategy for the synthesis of nonorganometallic heterometallic clusters from cheap organometallic precursors is reported. This unique…”
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Synthesis, Crystal Structures, and Spectroscopic Properties of Novel Gadolinium and Erbium Triphenylsiloxide Coordination Entities by Wytrych, Patrycja, Utko, Józef, Kłak, Julia, Ptak, Maciej, Stefanski, Mariusz, Lis, Tadeusz, Ejfler, Jolanta, John, Łukasz

“…In alkali metal and lanthanide coordination chemistry, triphenylsiloxides seem to be unduly underappreciated ligands. This is as surprising as that such…”
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Unexpected Cyclopentadienyl/Alkoxo Ligand Exchange in Titano- and Zirconocene. New Opportunities by Sobota, Piotr, Utko, Józef, John, £ukasz, Jerzykiewicz, Lucjan B, Drág-Jarzábek, Anna

“…A simple new route to access heterometallic alkoxo precursors for a wide range of materials is reported. This unique synthetic method comprises elimination of…”
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