Optical sensor of flavonoids based on liquid crystal

• Autorzy: Sushynskyi Orest , Petrina Romana , Gubriy Zoriana , Khomyak Semen , Mykytyuk Zinoviy , Novikov Volodymyr

Identyfikatory

DOI

10.5604/01.3001.0013.0934

Warianty tytułu

PL

Optyczny czujnik flawonoidów bazujący na ciekłych kryształach

• Języki publikacji: EN

Abstrakty

EN

In order to solve the problems associated with the express registration of the presence of biologically active substances in callus biomass, we propose the use of cholesteric liquid crystal (CLC) with a spiral structure as a material of a sensitive element of optical sensor of flavonoids. Cholesteric liquid crystal BLO62 is proposed to use as a sensitive element. Spectral characteristics of alcohol solutions of flavonoids (20%, 40%, 70% and 90%) were obtained. The interaction of CLC with quercetin was analyzed. The scheme of the primary information signal converter is developed in which the current from the photodetector is transmitted to the developed signal converter. The device is implemented with the common use Atmega 328 microcontroller manufactured by Atmel. Speciality of this structural scheme is its flexibility and versatility, which makes it easy to reconfigure the parameters of the firmware for the registration of various types of investigated mediums.

PL

Aby rozwiązać problemy związane z szybką analizą obecności substancji biologicznie czynnych w biomasie kalusa, proponujemy zastosowanie materiałów ciekłokrystalicznych o spiralnej strukturze supramolekularnej jako wrażliwego elementu czujnika optycznego flawonoidów. Proponuje się stosowanie cholesterycznego ciekłego kryształu BLO62 jako wrażliwego elementu. Uzyskano charakterystykę spektralną roztworów alkoholowych flawonoidów (20%, 40%, 70% i 90%). Przeanalizowano interakcję cholesterycznego ciekłego kryształu z kwercetyną. Opracowano schemat pierwotnego przetwornika sygnału, w którym prąd z fotodetektora jest przesyłany do opracowanego przetwornika sygnałów. Urządzenie jest realizowane na bazie mikrokontrolera Atmega32 Atmega 328. Cechą tego schematu strukturalnego jest jego elastyczność i wszechstronność, co ułatwia rekonfigurację parametrów oprogramowania do rejestracji różnych typów badanych substancji.

Słowa kluczowe

EN

optical sensor; liquid crystal; flavonoid; quercetin

PL

czujnik optyczny; ciekły kryształ; flawonoid; kwercetyna

• Wydawca: Wydawnictwo Politechniki Lubelskiej
• Czasopismo: Informatyka, Automatyka, Pomiary w Gospodarce i Ochronie Środowiska
• Rocznik: 2019
• Tom: T. 9, nr 1
• Strony: 61--64
• Opis fizyczny: Bibliogr. 18 poz., rys.

Twórcy

autor

Sushynskyi Orest

• Lviv Polytechnic National University, Department of Electronic Devices

autor

Petrina Romana

• Lviv Polytechnic National University, Department of Technology of Biologically Active Substances, Pharmacy and Biotechnology

autor

Gubriy Zoriana

• Lviv Polytechnic National University, Department of Technology of Biologically Active Substances, Pharmacy and Biotechnology

autor

Khomyak Semen

• Lviv Polytechnic National University, Department of Technology of Biologically Active Substances, Pharmacy and Biotechnology

autor

Mykytyuk Zinoviy

• Lviv Polytechnic National University, Department of Electronic Devices

autor

Novikov Volodymyr

• Lviv Polytechnic National University, Department of Technology of Biologically Active Substances, Pharmacy and Biotechnology

Bibliografia

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• [4] Barylo G.I., Holyaka R.L., Virt V.V., Vezyr F.F.: Parametric analysis of synchronous detector devices of impedance spectroscopy. Scientific and technical journal Applied radio electronics 16/2017, 41–45.
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Uwagi

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2019).