Molecular Recognition of Phenylalanine Enantiomers onto a Solid Surface Modified with Electropolymerized Pyrrole-beta-Cyclodextrin Conjugate

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dc.contributor.authorShishkanova, Tatiana V
dc.contributor.authorHabanová, Nina
dc.contributor.authorŘezanka, Michal
dc.contributor.authorBroncová, Gabriela
dc.contributor.authorFitl, Přemysl
dc.contributor.authorVrňata, Martin
dc.contributor.authorMatějka, Pavel
dc.date.accessioned2019-12-17T08:31:26Z
dc.date.available2019-12-17T08:31:26Z
dc.date.issued2019
dc.description.abstractWe report the electrochemical deposition of a beta-cyclodextrin pyrrole conjugate (Py-beta-CD) on an electrode surface including i) characterization based on surface-enhanced Raman scattering and field-emission scanning electron microscopy; ii) studies of the molecular recognition of enantiomers of phenylalanine methyl ester hydrochlorides (Phe) based on linear sweep voltammetry and a quartz crystal microbalance. The PPy-beta-CD polymeric layer on a metallic substrate is distinguished by its inhomogeneity, in which both highly ordered beta-CD units and highly disordered polymer chains are observed. The voltammetric recognition results showed that PPy-beta-CD exhibited a higher sensitivity for d-Phe (138 +/- 15)x10(3) than for l-Phe (6 +/- 1)x10(3) within the concentration range 0.1-0.75 mM (n=3) despite the differences in the polymer arrangement on the surface. A possible mechanism of molecular recognition of phenylalanine enantiomers is discussed.cs
dc.format.extent9 strancs
dc.identifier.doi10.1002/elan.201900615
dc.identifier.orcid0000-0002-7390-1243 Řezanka, Michal
dc.identifier.urihttps://dspace.tul.cz/handle/15240/154296
dc.identifier.urihttps://onlinelibrary.wiley.com/doi/epdf/10.1002/elan.201900615
dc.language.isocscs
dc.publisherWILEY-V C H VERLAG GMBH, POSTFACH 101161, 69451 WEINHEIM, GERMANY
dc.relation.ispartofELECTROANALYSIS
dc.subjectbeta-cyclodextrin pyrrole conjugatecs
dc.subjectelectrochemical polymerizationcs
dc.subjectenantiomer recognitioncs
dc.subjectvoltammetrycs
dc.subjectquartz crystal microbalancecs
dc.titleMolecular Recognition of Phenylalanine Enantiomers onto a Solid Surface Modified with Electropolymerized Pyrrole-beta-Cyclodextrin Conjugatecs
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