About: Inclusion complex of α-cyclodextrin and the extended viologen dication: a model of an insulated molecular wire

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About: Inclusion complex of α-cyclodextrin and the extended viologen dication: a model of an insulated molecular wire Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	An extended viologen dication 1, containing one viologen subunit, was used as a model for the inclusion complex formation between cyclodextrin (CD) molecules and molecular wires comprising several subunits. UV–Vis and fluorescence spectroscopic measurements confirmed the formation of two types of the inclusion complexes 1:1 and 2:1 between αCD and 1 in the aqueous solution containing 20% of ethanol. The complex formation constants were obtained from the fluorescence spectral changes: K a = 25 3 mM1 for [αCD–1] complex and K a = 0.21 0.07 mM2 for [(αCD)2–1] complex, respectively. Cyclodextrins βCD and γCD do not form the inclusion complexes with 1 in these aqueous solutions. The time-dependent differential capacitance measurements confirmed the adsorption of 1 in the form of a complex at the electrode/electrolyte interface. An extended viologen dication 1, containing one viologen subunit, was used as a model for the inclusion complex formation between cyclodextrin (CD) molecules and molecular wires comprising several subunits. UV–Vis and fluorescence spectroscopic measurements confirmed the formation of two types of the inclusion complexes 1:1 and 2:1 between αCD and 1 in the aqueous solution containing 20% of ethanol. The complex formation constants were obtained from the fluorescence spectral changes: K a = 25 3 mM1 for [αCD–1] complex and K a = 0.21 0.07 mM2 for [(αCD)2–1] complex, respectively. Cyclodextrins βCD and γCD do not form the inclusion complexes with 1 in these aqueous solutions. The time-dependent differential capacitance measurements confirmed the adsorption of 1 in the form of a complex at the electrode/electrolyte interface. (en)
Title	Inclusion complex of α-cyclodextrin and the extended viologen dication: a model of an insulated molecular wire Inclusion complex of α-cyclodextrin and the extended viologen dication: a model of an insulated molecular wire (en)
skos:prefLabel	Inclusion complex of α-cyclodextrin and the extended viologen dication: a model of an insulated molecular wire Inclusion complex of α-cyclodextrin and the extended viologen dication: a model of an insulated molecular wire (en)
skos:notation	RIV/61388955:_____/11:00361419!RIV12-GA0-61388955
http://linked.open...avai/predkladatel	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA203/08/1157), P(GA203/09/1607), P(IAA400400802), P(LC510), P(MEB041006), P(OC 140), Z(AV0Z40400503), Z(AV0Z40550506)
http://linked.open...iv/cisloPeriodika	3-4
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Pospíšil, Lubomír Sokolová, Romana Hromadová, Magdaléna Gál, Miroslav Kolivoška, Viliam
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Ústav fyzikální chemie J. Heyrovského AV ČR, v.v.i.
http://linked.open...dnocenehoVysledku	204078
http://linked.open...ai/riv/idVysledku	RIV/61388955:_____/11:00361419
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	alpha-cyclodextrin; extended viologen; complex formation (en)
http://linked.open.../riv/klicoveSlovo	alpha-cyclodextrin complex formation extended viologen
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[A613B32B5E8E]
http://linked.open...i/riv/nazevZdroje	Journal of Inclusion Phenomena and Macrocyclic Chemistry
http://linked.open...in/vavai/riv/obor	CG
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Center of nanotechnology and materials for nanoelectronics Electrochemistry of natural pigments and their host-guest complexes. http://linked.opendata.cz/resource/domain/vavai/projekt/OC%20140 Tailoring the lock and key motifs in novel low-dimensional structures at electrified interface Cationic redox catalysis and its role in the observation of electrochemical oscillatory phenomena. Electron transfer in new materials for molecular electronics
http://linked.open...UplatneniVysledku	2011
http://linked.open...v/svazekPeriodika	70
http://linked.open...iv/tvurceVysledku	Gál, Miroslav Hromadová, Magdaléna Kolivoška, Viliam Pospíšil, Lubomír Sokolová, Romana Valášek, Michal
http://linked.open...ain/vavai/riv/wos	000294963800028
http://linked.open...n/vavai/riv/zamer	Struktura, reaktivita a dynamika molekulárních a biomolekulárních systémů: teorie, experiment, aplikace Regulace biologických procesů: Chemické modulátory vybraných systémů významných pro medicínu a zemědělství
issn	0923-0750
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1007/s10847-010-9897-y
is http://linked.open...avai/riv/vysledek of	Inclusion complex of α-cyclodextrin and the extended viologen dication: a model of an insulated molecular wire Inclusion complex of α-cyclodextrin and the extended viologen dication: a model of an insulated molecular wire

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