Search Results - "Číhalová, Sylva"

The role of soil components in synthetic mixtures during the adsorption and speciation changes of Cr(VI): Conjunction of the modeling approach with spectroscopic and isotopic investigations by Veselská, Veronika, Šillerová, Hana, Göttlicher, Jörg, Michálková, Zuzana, Siddique, Jamal A., Číhalová, Sylva, Chrastný, Vladislav, Steininger, Ralph, Mangold, Stefan, Komárek, Michael

“…This study investigates redox transitions associated with the adsorption of Cr(VI) on commonly occurring soil components (silicates, oxides and humic acids)…”
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Highly enantioselective organocatalytic cascade reaction for the synthesis of piperidines and oxazolidines by Číhalová, Sylva, Valero, Guillem, Schimer, Jiří, Humpl, Marek, Dračínský, Martin, Moyano, Albert, Rios, Ramon, Vesely, Jan

“…The synthesis of piperidines and piperidines derivatives in enantiopure fashion has been a challenging goal for organic chemists. In this report we developed a…”
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Lead and cadmium sorption mechanisms on magnetically modified biochars by Trakal, Lukáš, Veselská, Veronika, Šafařík, Ivo, Vítková, Martina, Číhalová, Sylva, Komárek, Michael

“…[Display omitted] •Magnetization mainly improved sorption of biochars with well-developed structure.•The CEC value significantly increased due to the presence…”
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Sorption mechanisms of arsenate on Mg-Fe layered double hydroxides: A combination of adsorption modeling and solid state analysis by Hudcová, Barbora, Veselská, Veronika, Filip, Jan, Číhalová, Sylva, Komárek, Michael

“…Layered double hydroxides have been proposed as effective sorbents for As(V), but studies investigating adsorption mechanisms usually lack a comprehensive…”
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Highly effective Zn(II) and Pb(II) removal from aqueous solutions using Mg-Fe layered double hydroxides: Comprehensive adsorption modeling coupled with solid state analyses by Hudcová, Barbora, Veselská, Veronika, Filip, Jan, Číhalová, Sylva, Komárek, Michael

“…Comprehensive mechanistic and modeling approaches are needed to effectively evaluate sorption of metal ions from aqueous solutions. However, such a complex…”
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Revisiting models of Cd, Cu, Pb and Zn adsorption onto Fe(III) oxides by Komárek, Michael, Antelo, Juan, Králová, Marie, Veselská, Veronika, Číhalová, Sylva, Chrastný, Vladislav, Ettler, Vojtěch, Filip, Jan, Yu, Qiang, Fein, Jeremy B., Koretsky, Carla M.

“…A generic hydrous Fe oxide surface is often used in surface complexation modeling for predicting metal behavior in aqueous and soil environments. However, this…”
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AMOchar: Amorphous manganese oxide coating of biochar improves its efficiency at removing metal(loid)s from aqueous solutions by Trakal, Lukáš, Michálková, Zuzana, Beesley, Luke, Vítková, Martina, Ouředníček, Petr, Barceló, Andreu Piqueras, Ettler, Vojtěch, Číhalová, Sylva, Komárek, Michael

“…•Mn oxide-biochar composite (AMOchar) is a highly promising sorbent.•AMOchar confirmed its amorphous character with dominant peaks of Mn-oxalate.•Biochar…”
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Selected Fe and Mn (nano)oxides as perspective amendments for the stabilization of As in contaminated soils by Michalkova, Zuzana, Komarek, Michael, Veselska, Veronika, Cihalova, Sylva

“…An amorphous Mn oxide (AMO), nanomaghemite, and nanomagnetite were used as potential amendments reducing the mobility of As in three contrasting contaminated…”
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Chromate adsorption on selected soil minerals: Surface complexation modeling coupled with spectroscopic investigation by Veselská, Veronika, Fajgar, Radek, Číhalová, Sylva, Bolanz, Ralph M., Göttlicher, Jörg, Steininger, Ralph, Siddique, Jamal A., Komárek, Michael

“…[Display omitted] •Study of Cr(VI) adsorption on soil minerals over a large range of conditions.•Combined surface complexation modeling and spectroscopic…”
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Asymmetric Aza-Morita-Baylis-Hillman-Type Reactions: The Highly Enantioselective Reaction between Unmodified α,β- Unsaturated Aldehydes and N-Acylimines by Organo-co-catalysis by Číhalová, Sylva, Dziedzic, Pawel, Córdova, Armando, Veselý, Jan

“…The highly enantioselective organo‐co‐catalytic aza‐Morita–Baylis–Hillman (MBH)‐type reaction between N‐carbamate‐protected imines and α,β‐unsaturated…”
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Highly Enantioselective Aza-Baylis-Hillman-Type Reaction of α,β-Unsaturated Aldehydes with In Situ Generated N-Boc- and N-Cbz-Imines by CIHALOVA, Sylva, REMES, Marek, CISAROVA, Ivana, VESELY, Jan

“…An organocatalytic highly enantioselective aza‐Baylis–Hillman reaction of α,β‐unsaturated aldehydes with in situ generated N‐Boc‐ and N‐Cbz‐imines is…”
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Co- and homocyclotrimerization reactions of protected 1-alkynyl-2-deoxyribofuranose. Synthesis of C-nucleosides, C-di- and C-trisaccharide analogues by Novák, Petr, Číhalová, Sylva, Otmar, Miroslav, Hocek, Michal, Kotora, Martin

“…Cyclotrimerization of β- or α-ethynyl-3,5-di- O-toluoyl-2-deoxy- d-ribofuranose with α,ω-diynes proceeded smoothly under Rh-catalysis to afford the…”
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Asymmetric Aza-Morita–Baylis–Hillman-type reactions: The highly enantioselective reaction between unmodified α,β-unsaturated aldehydes and N -acylimines by organo-co-catal by Číhalová, Sylva, Dziedzic, Pawel, Córdova, Armando, Veselý, Jan

“…The highly enantioselective organo-co-catalytic aza-Morita–Baylis–Hillman (MBH)-type reaction between N -carbamate-protected imines and α,β-unsaturated…”
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Asymmetric Aza-Morita-Baylis-Hillman-type reactions: The highly enantioselective reaction between unmodified α,β-unsaturated aldehydes and N-acyl imines by organo-co-catalysis by Cordova, Armando, Cihalova, Sylva, Dziedzic, Pawel, Vesely, Jan

“…The highly enantioselective organo-co-catalytic aza-Morita-Baylis-Hillman (MBH)-type reaction between N-carbamate-protected imines and alpha,beta-unsaturated…”
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