Search Results - "Volf, R."

Ion-selective electrodes: polyaniline modification and anion recognition

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Functionalization of PVC membrane with ss oligonucleotides for a potentiometric biosensor by Shishkanova, T.V., Volf, R., Krondak, M., Král, V.

“…A novel application of a single stranded (ss) oligonucleotide as an active component of polymeric membrane in an ion-selective electrode (ISE) is described…”
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Soil P Diffusion and Availability Modified by Controlled-Release P Fertilizers by Volf, Marcelo R., Rosolem, Ciro A.

“…Slow-release fertilizers have been proposed as tools to increase P fertilizer use efficiency in tropical acidic soils with high P adsorption, low P…”
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Unraveling the role of ruzigrass in soil K cycling in tropical cropping systems by Volf, Marcelo R., Crusciol, Carlos A. C., Kovar, John L., Rosolem, Ciro A.

“…The introduction of ruzigrass ( Urochloa ruziziensis ) in rotation or intercropped with a cash crop may improve K cycling in the cropping system due to the…”
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Interseeding of ruzigrass into soybean: Strategies to improve forage cultivation in no-till systems by Volf, Marcelo R., Crusciol, Carlos A.C., Custódio, Ceci C., Bossolani, João W., Machado, Fellipe G., Wruck, Flavio J., Costa, Claudio H.M., Ribeiro, Janderson F., Silva, Leonardo S.

“…No-till (NT) farming is a major soil conservation strategy. In the Brazilian Cerrado, soybean is the main grain crop, and strategies that improve the…”
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Monomer and polymer quinoxaline derivatives for cationic recognition by Breznová, H, Volf, R, Král, V, Sessler, J L, Try, A C, Shishkanova, T V

“…Monomeric and polymeric 5-nitroquinoxaline derivatives disubstituted in the 2 and 3 positions with 2-pyrrolyl (A), 2-furyl (B) and 2-thienyl (C) groups were…”
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Comparison of FT Raman spectra of some 5-nitroquinoxalines and their electropolymers by Hrdlička, J., Matějka, P., Volf, R., Volka, K., Král, V., Try, A.C., Sessler, J.L.

“…FT Raman spectroscopy was used to characterize a set of five newly synthesized 5-nitroquinoxaline derivatives 2,3-disubstituted with 2-pyrrolyl, 2-furyl,…”
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Citrate selectivity of poly(neutral red) electropolymerized films by Broncová, Gabriela, Shishkanova, Tatiana V, Matějka, Pavel, Volf, Radko, Král, Vladimı́r

“…The synthesis and the spectroscopic and potentiometric characterization of electropolymerized films obtained from neutral red (NR) on Pt surface are described…”
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Soil mineralogy and K reserves in soils from the Araguaia River valley, Brazil by Volf, Marcelo R., Benites, Vinicius M., Azevedo, Antônio C., Moraes, Milton F., Tiritan, Carlos S., Rosolem, Ciro A.

“…In humid tropical regions, intense weathering extensively depletes soil nutrients. However, soils in the Araguaia River Valley, Brazil, are not responsive to…”
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Molecular Recognition at an Organic−Aqueous Interface:  Heterocalixarenes as Anion Binding Agents in Liquid Polymeric Membrane Ion-Selective Electrodes by Král, Vladimír, Sessler, Jonathan L, Shishkanova, Tatiana V, Gale, Philip A, Volf, Radko

“…Poly(vinyl chloride) (PVC)-derived ion-selective electrodes (ISEs) have been prepared from a neutral anion binding receptor, meso-octamethylcalix[4]pyrrole…”
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Electrochemistry of Benzophenanthridine Alkaloids. Formation and Characterization of Redox Active Films from Products of Sanguinarine and Chelerythrine Oxidation by Hrbáč, Jan, Broncová, Gabriela, Matějka, Pavel, Bystroň, Tomáš, Vrba, Jiří, Volf, Radko, Vičar, Jaroslav

“…The behavior of sanguinarine and chelerythrine alkaloids upon electrochemical oxidation on solid electrodes in buffered aqueous medium is reported in this…”
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Formation of Porphyrin- and Sapphyrin-Containing Monolayers on Electrochemically Prepared Gold Substrates:  A FT Raman Spectroscopic Study by Záruba, Kamil, Matějka, Pavel, Volf, Radko, Volka, Karel, Král, Vladimír, Sessler, Jonathan L

“…The formation of porphyrin- and sapphyrin-containing self-assembled monolayers (SAMs) on electrochemically prepared gold surfaces by a multistep approach is…”
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Preparation, characterization and analytical application of electropolymerized films by Volf, Radko, Král, Vladimı́r, Hrdlička, Jan, Shishkanova, Tatiana V., Broncová, Gabriela, Krondak, Martin, Grötschelová, Sylvie, Št'astný, Miloslav, Kroulı́k, Jiřı́, Valı́k, Martin, Matějka, Pavel, Volka, Karel

“…Conditions for preparation of ion-selective electrodes (ISEs) based on novel electropolymerized films were tested. Polymerized films of substituted anilines,…”
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Molecular recognition of amino acid esters in liquid polymeric membrane ion-selective electrodes by Krondak, Martin, Shishkanova, Tatiana V, Holakovsky, Roman, Volf, Radko, Stibor, Ivan, Král, Vladimı́r

“…The application of binaphthol derivatives 6′- tert-butyl-3-[2-(2-hydroxyethoxy)-ethoxymethyl]-[1,1′-binaphthalenyl]-2,2′-diol ( 1) and…”
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Potentiometric anion response of poly(5,15- bis(2-aminophenyl)porphyrin) electropolymerized electrodes by Volf, Radko, Shishkanova, Tatiana V., Matějka, Pavel, Hamplová, Monika, Král, Vladimı́r

“…The preparation of novel poly(porphyrin) film based on the 5,15- bis(2-aminophenyl) porphyrin from aqueous solutions with and without porphyrin core…”
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Ion-selective electrodes : Polyaniline modification and anion recognition by SHISHKANOVA, T. V, SAPURINA, I, STEJSKAL, J, KRAL, V, VOLF, R

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Novel Systems for Selective Cation Detection: Application of a Lipophilic Carborane Anion in Polymeric Ion-Selective Electrodes by Krondak, Martin, Volf, Radko, Král, Vladimír

“…Selectivity and sensitivity of PVC membrane electrode are dramatically influenced not only by the specific receptor, but also, mainly for neutral ionophores,…”
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Role of mushroom bodies and the central complex of Drosophila melanogaster in the organisation of courtship behavior and communicative vocalization by Popov, A V, Peresleni, A I, Savateeva-Popova, E V, Vol'f, R, Heisenberg, M

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Neue Modifizierung der Methode der Injektionsenthalpimetrie by Slastny, M., Volf, R., Vulterin, J., Strkfelda, F.

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Determination of aldehydes using a new method of injection enthalpiometry by Vulterin, J, Straka, P, Stastný, M, Volf, R

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