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Optical Detection of Ketoprofen by Its Electropolymerization on an Indium Tin Oxide-Coated Optical Fiber Probe
Abstract
In this work an application of optical fiber sensors for real-time optical monitoring of electrochemical deposition of ketoprofen during its anodic oxidation is discussed. The sensors were fabricated by reactive magnetron sputtering of indium tin oxide (ITO) on a 2.5 cm-long core of polymer-clad silica fibers. ITO tuned in optical properties and thickness allows for achieving a lossy-mode resonance (LMR) phenomenon and it can be simultaneously applied as an electrode in an electrochemical setup. The ITO-LMR electrode allows for optical monitoring of changes occurring at the electrode during electrochemical processing. The studies have shown that the ITO-LMR sensor’s spectral response strongly depends on electrochemical modification of its surface by ketoprofen. The effect can be applied for real-time detection of ketoprofen. The obtained sensitivities reached over 1400 nm/M (nm·mg−1 ·L) and 16,400 a.u./M (a.u.·mg−1 ·L) for resonance wavelength and transmission shifts, respectively. The proposed method is a valuable alternative for the analysis of ketoprofen within the concentration range of 0.25–250 µg mL−1 , and allows for its determination at therapeutic and toxic levels. The proposed novel sensing approach provides a promising strategy for both optical and electrochemical detection of electrochemical modifications of ITO or its surface by various compounds
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Authors (11)
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Paweł Niedziałkowski Dr
- Uniwersytet Gdański Wydział Chemii Katedra Chemii Analitycznej
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Dariusz Burnat
- Politechnika Warszawska Instytut Mikroelektroniki i Optoelektroniki
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Wioleta Białobrzeska mgr inż.
- Uniwersytet Gdański Wydział Chemii Katedra Chemii Analitycznej
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Zofia Cebula
- Uniwersytet Gdański Wydział Chemii Katedra Chemii Analitycznej
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Petr Sezemsky
- University of South Bohemia Institute of Physics and Biophysics
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Marcin Koba
- Politechnika Warszawska Instytut Mikroelektroniki i Optoelektroniki
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Vitezslav Stranak
- University of South Bohemia Institute of Physics and Biophysics
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Tadeusz Ossowski
- Uniwersytet Gdański Wydział Chemii Katedra Chemii Analitycznej
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Mateusz Śmietana
- Politechnika Warszawska Instytut Mikroelektroniki i Optoelektroniki
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Keywords
Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
SENSORS
no. 18,
edition 5,
pages 1361 - 1376,
ISSN: 1424-8220 - Language:
- English
- Publication year:
- 2018
- Bibliographic description:
- Bogdanowicz R., Niedziałkowski P., Sobaszek M., Burnat D., Białobrzeska W., Cebula Z., Sezemsky P., Koba M., Stranak V., Ossowski T., Śmietana M.: Optical Detection of Ketoprofen by Its Electropolymerization on an Indium Tin Oxide-Coated Optical Fiber Probe// SENSORS. -Vol. 18, iss. 5 (2018), s.1361-1376
- DOI:
- Digital Object Identifier (open in new tab) 10.3390/s18051361
- Sources of funding:
-
- Statutory activity/subsidy
- Verified by:
- Gdańsk University of Technology
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