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Redox potentials and binding enhancement of fullerene and fullerene-cyclodextrin systems in water and dimethylsulfoxide
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SYSNO ASEP 0334005 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Redox potentials and binding enhancement of fullerene and fullerene-cyclodextrin systems in water and dimethylsulfoxide Title Redox potenciály a zvýšení komplexace fullerenu a systémů fullerene=cyklodextrin ve vodě dimethylsulfoxidu Author(s) Pospíšil, Lubomír (UFCH-W) RID, ORCID
Hromadová, Magdaléna (UFCH-W) RID, ORCID, SAI
Gál, Miroslav (UFCH-W)
Kocábová, Jana (UFCH-W) RID
Sokolová, Romana (UFCH-W) RID, ORCID, SAI
Filippone, S. (FR)
Yang, J. (FR)
Guan, Z. (FR)
Rassat, A. (FR)
Zhang, Y. (FR)Source Title Carbon. - : Elsevier - ISSN 0008-6223
Roč. 48, č. 1 (2010), s. 153-162Number of pages 10 s. Language eng - English Country US - United States Keywords electrochemistry ; fullerenes ; fullerene-cyclodextrin systems Subject RIV CG - Electrochemistry R&D Projects GA203/09/0705 GA ČR - Czech Science Foundation (CSF) GA203/08/1157 GA ČR - Czech Science Foundation (CSF) GP203/09/P502 GA ČR - Czech Science Foundation (CSF) LC510 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) ME09114 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) OC 140 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) CEZ AV0Z40400503 - UFCH-W (2005-2011) UT WOS 000272018800019 DOI 10.1016/j.carbon.2009.08.043 Annotation The formal redox potentials of electron transfer reactions of fullerene, methanofullerene, fullerene-cyclodextrin complex and methanofullerene conjugates with cyclodextrins in aqueous and dimethylsulfoxide solutions are reported. These new compounds are surface active and retain the redox activity of C-60 even in aqueous medium. Compounds have been characterized by an electrochemical admittance technique, which offers an advantage of separating faradaic and capacitive properties. Observed difference of formal redox potentials of the free fullerene forms and their cyclodextrin-containing compounds were used to determine the binding enhancement. Results are interpreted in terms of inter-molecular host-guest interactions of C-60-cyclodextrin conjugates. Workplace J. Heyrovsky Institute of Physical Chemistry Contact Michaela Knapová, michaela.knapova@jh-inst.cas.cz, Tel.: 266 053 196 Year of Publishing 2010
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