Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Olen Ryba"'
Publikováno v:
Botanica Acta. 103:404-407
An inhibitory effect of potassium ferricyanide on the light-dependent active uptake of chloride anions into the alga Hydrodictyon reticulatum has drawn attention to the possibility that chloride transport proceeds as an exchange for electrons and hen
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bd76030fcf8337480ef8bf99a284b7af
https://doi.org/10.1111/j.1438-8677.1990.tb00181.x
https://doi.org/10.1111/j.1438-8677.1990.tb00181.x
Publikováno v:
Collection of Czechoslovak Chemical Communications. 51:1419-1429
Orientation dependent (asymmetrical) membrane potentials were observed on both reverse osmosis and ultrafiltration cellulose acetate and polymer sulfone membranes in contact with electrolyte solutions. It was shown that this phenomenon can be observe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::53c96f87739293e57ec6ba64223c7e4b
https://doi.org/10.1135/cccc19861419
https://doi.org/10.1135/cccc19861419
Autor:
Jaromír Petránek, Olen Ryba
Publikováno v:
Collection of Czechoslovak Chemical Communications. 48:1944-1949
Preparation of some new macrocyclic polyetherdiamides and their complexes with calcium and tetra(4-chlorophenyl) borate is described. The selectivities of these compounds for calcium with respect to ions of the other alkaline earth and alkali metals
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c6f64fbd6de93be86d68efd10eb229d3
https://doi.org/10.1135/cccc19831944
https://doi.org/10.1135/cccc19831944
Autor:
Olen Ryba, Jaromír Petránek
Publikováno v:
Collection of Czechoslovak Chemical Communications. 49:2371-2375
Shifts of the potentials of a calcium ion-selective electrode based on the complex of 7,19-dibenzyl-2,2,3,3-tetramethyl-7,19-diaza-1,4,10,13,16-pentaoxacycloheneicosane-6,20-dione with calcium tetra(4-chlorophenyl)borate in various membrane solvents
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a95b00431dad70bdd856e8b831a849cf
https://doi.org/10.1135/cccc19842371
https://doi.org/10.1135/cccc19842371
Autor:
Olen Ryba, Jaromír Petránek
Publikováno v:
Collection of Czechoslovak Chemical Communications. 45:1567-1574
The preparation of a series of polyether-diamides with different structure of the macrocyclic chain is described. The ion-selective properties of these compounds with respect to ions of the I and II group were investigated electrochemically in poly(v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::309d0e9353196503c8209b95aca9e621
https://doi.org/10.1135/cccc19801567
https://doi.org/10.1135/cccc19801567
Autor:
Olen Ryba, Jaromír Petránek
Publikováno v:
Die Makromolekulare Chemie, Rapid Communications. 9:125-128
Comportement electrochimique de la membrane. Le potentiel est independant de la concentration de ClK des deux cotes de la membrane
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::183e2568e7b5661dabf35b2773fd58a8
https://doi.org/10.1002/marc.1988.030090302
https://doi.org/10.1002/marc.1988.030090302
Autor:
Olen Ryba, Jaromír Petránek
Publikováno v:
Journal of Electroanalytical Chemistry and Interfacial Electrochemistry. 44:425-430
Summary A potassium ion-selective electrode with dimethyldibenzo-30-crown-10 as a neutral carrier in poly(vinyl chloride) membrane is described. The electrode is characterized by a fast response, good potential stability and a long lifetime. The resp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f2b9e6eedfbfc061c9fed90bc9e75d2c
https://doi.org/10.1016/s0022-0728(73)80474-7
https://doi.org/10.1016/s0022-0728(73)80474-7
Autor:
Jaromír Petránek, Olen Ryba
Publikováno v:
Chemischer Informationsdienst. 11
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eb2482b1cc50df552db27402c87d6d68
https://doi.org/10.1002/chin.198033260
https://doi.org/10.1002/chin.198033260
Publikováno v:
J. Chem. Soc., Chem. Commun.. :696-697
Bis(ethylenedithiolo)tetrathiafulvalene was prepared by a photochemical desulphurization of 4,5-ethylenedithiolo-1,3-dithiole-2-thione (1), and the effect of the type of solvent, nucleophilic agent and its concentration, and temperature on the yield
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87ea785b91256500fb24843e10707aae
https://doi.org/10.1039/c39870000696
https://doi.org/10.1039/c39870000696