Zobrazeno 1 - 10
of 161
pro vyhledávání: '"Ivan Lukeš"'
Publikováno v:
Inorganica Chimica Acta. 469:217-226
The coordination behaviour of tris(aminomethyl)phosphine oxide ( tampo ) to selected transition metal ions was studied. In the case of Co(III), Ni(II) and Cu(II) complexes with metal-to-ligand 1:2 stoichiometry, bis(tripodal) tampo coordinations form
Autor:
Lionel Larbanoix, Ondrej Zemek, Sophie Laurent, Sébastien Boutry, Jan Kotek, Robert N. Muller, Coralie Sclavons, Luce Vander Elst, Satya Narayana Murthy Chilla, Ivan Lukeš
Publikováno v:
Bioorganic & Medicinal Chemistry. 25:4297-4303
A new facile synthetic strategy was developed to prepare bifunctional monophosphinic acid Ln-DOTA derivatives, Gd-DO2AGAPNBn and Gd- DO2AGAPABn. The relaxivities of the Gd-complexes are enhanced compared to Gd-DOTA. Monophosphinic acid arm of these G
Autor:
Vojtěch Kubíček, Mária Vilková, Miroslava Litecká, Ján Imrich, Z. Vargová, Ingrida Rostášová, Róbert Gyepes, Ivan Lukeš
Publikováno v:
New Journal of Chemistry. 41:7253-7259
The interaction of aminomethylphosphonic acid (H2amp) with the Zn(II)–cyclen complex and the formation of ternary complexes was studied by potentiometry and 31P NMR titrations. Data evaluation of each of the methods separately was found to be insuf
Publikováno v:
European Journal of Inorganic Chemistry. 2014:4357-4368
Four geminal bis(phosphinic acids), namely, aminomethylbis(H-phosphinic acid) (H2L1) and 4-aminobutyl-1-hydroxy-1,1-bis(R-phosphinic acid) with R = H (H2L2), Me (H2L3) and CH2CH2COOH (H4L4), were studied. Their acid–base properties and coordination
Publikováno v:
Heteroatom Chemistry. 24:413-425
Preparation of two benzylic bis(phosphonic acids) modified with primary amine or carboxylic acid groups on the benzene ring is described. These compounds were prepared and characterized in the form of both bis(phosphonate) tetraesters and correspondi
Autor:
Ondrej Kaman, K. Zacharovova, Zuzana Berková, Zuzana Kotková, Ivan Rehor, Daniel Jirák, Ivan Lukeš, Milan Hájek, M. Kačenka, Frantisek Saudek, Jan Kotek
Publikováno v:
ChemMedChem
ChemMedChem; Vol 8
ChemMedChem; Vol 8
Three magnetic resonance (MR)/fluorescence imaging probes were tested for visualization, cellular distribution, and survival of labeled pancreatic islets in vitro and following transplantation. As T(1) contrast agents (CAs), gadolinium(III) complexes
Publikováno v:
Heteroatom Chemistry. 23:195-201
A synthesis of 1-hydroxy-1,1-bis(H-phosphinates) from acylchlorides is described. Solid-state structures of two bis(phosphinates) determined by X-ray diffraction showed variations in the PC distances. The compounds show negligible sorption on hydroxy
Autor:
Vít Herynek, Vanda Vilímová, Vojtěch Kubíček, Petr Hermann, Daniel Jirák, Jan Kotek, Pavla Jendelova, Ivan Řehoř, Ivan Lukeš, Miroslava Kapcalova, Jan Černý
Publikováno v:
Journal of Medicinal Chemistry. 54:5185-5194
Multimodal imaging-therapeutic nanoprobe TiO(2)@RhdGd was prepared and successfully used for in vitro and in vivo cell tracking as well as for killing of cancer cells in vitro. TiO(2) nanoparticles were used as a core for phosphonic acid modified fun
Publikováno v:
European Journal of Inorganic Chemistry. 2011:1981-1989
The first systematic study of chemical adsorption/desorption of phosphonic acid and geminal bis(phosphonic acid) on/from the surface of anatase nanoparticles is reported. Stable TiO2 colloidal nanodispersions were used in the study. The colloidal sta
Publikováno v:
Journal of Molecular Recognition. 24:295-302
Potentiometric titrations and 1H NMR spectroscopic studies of amino acids binding to the [ZnL]2+-complex where L = cyclen in aqueous solution provide information concerning complexing species identity, their stability, and coordination mode declarati