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Modification of Metal Surfaces by Optically Active [7]Helicene Derivatives for Molecular Sensing.
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SYSNO ASEP 0497001 Document Type C - Proceedings Paper (int. conf.) R&D Document Type The record was not marked in the RIV Title Modification of Metal Surfaces by Optically Active [7]Helicene Derivatives for Molecular Sensing. Author(s) Walaská, Hana (UCHP-M)
Kalachyova, Y. (CZ)
Elashnikov, R. (CZ)
Storch, Jan (UCHP-M) RID, ORCID, SAI
Žádný, Jaroslav (UCHP-M) RID, SAI, ORCID
Lyutakov, O. (CZ)Article number P 7143 Source Title Book of Abstracts. - Louvain-la-Neuve : Université catholique de Louvain, 2018 / Gaigneux E. - ISBN N Pages s. 85 Number of pages 1 s. Publication form Print - P Action Advances in Organic, Bioorganic and Pharmaceutical Chemistry LIBLICE 2018 /53./ Event date 02.11.2018 - 04.11.2018 VEvent location Lázně Bělohrad Country CZ - Czech Republic Event type EUR Language eng - English Country CZ - Czech Republic Keywords helicene ; molecular sensor ; spectrometry Subject RIV CC - Organic Chemistry OECD category Organic chemistry R&D Projects FV10082 GA MPO - Ministry of Industry and Trade (MPO) Institutional support UCHP-M - RVO:67985858 Annotation New derivatives of 9-(pyridylethynyl)[7]helicenes were firstly prepared and fully characterized in this study. Consequently, they were successfully separated to their (P)- and (M)-enantiomers using a preparative HPLC with chiral stationary phase. These optical antipodes were advantageously used for modification of silver plasmon active nanogratings suitable for a SERS-based detection of (bio)molecules. Properties of such nanostructures were studied using different spectro- and microscopic techniques. As proved by UV-Vis spectrometry, a change of plasmon resonance wavelength position and intensity was observed and indicated the appearance of chiral surface plasmon polarization. Workplace Institute of Chemical Process Fundamentals Contact Eva Jirsová, jirsova@icpf.cas.cz, Tel.: 220 390 227 Year of Publishing 2019
Number of the records: 1