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3 results on '"Cuplić, Valentina"'

1. Disposable Biosensor Based on Amidase/CeO2/GNR Modified Inkjet‐printed CNT Electrodes‐droplet Based Paracetamol Detection in Biological Fluids for “Point‐of‐care” Applications

Author

Stanković, Dalibor M., primary, Ognjanović, Miloš, additional, Jović, Milica, additional, Cuplić, Valentina, additional, Lesch, Andreas, additional, Girault, Hubert H., additional, Gavrović Jankulović, Marija, additional, and Antić, Bratislav, additional

Published
2019
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2. Disposable Biosensor Based on Amidase/CeO2/GNR Modified Inkjet‐printed CNT Electrodes‐droplet Based Paracetamol Detection in Biological Fluids for “Point‐of‐care” Applications

Author

Stanković, Dalibor M., Ognjanović, Miloš, Jović, Milica, Cuplić, Valentina, Lesch, Andreas, Girault, Hubert H., Gavrović-Jankulović, Marija, Antić, Bratislav, Stanković, Dalibor M., Ognjanović, Miloš, Jović, Milica, Cuplić, Valentina, Lesch, Andreas, Girault, Hubert H., Gavrović-Jankulović, Marija, and Antić, Bratislav

Abstract

A disposable acetaminophen biosensor based on inkjet-printed CNT electrodes (IJPCNT) modified with amidase/cerium dioxide@graphene nanoribbons composite was developed (ACeO2@GNR/IJPCNT). The enzyme amidase A was used for the first time as a recognition element. Inkjet-printed CNT electrodes served as a basis for the construction of a biosensor that enables droplet detection using 5 μL sample volume. The biosensor showed high selectivity, sensitivity, a low detection limit of 0.18 μM and a wide working linear range from 1 to 100 μM. The proposed approach allows fast and reliable detection of acetaminophen in biological fluids with negligible matrix effect and remarkable reproducibility. © 2019 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim

Published
2019

3. Disposable Biosensor Based on Amidase/CeO2/GNR Modified Inkjet-printed CNT Electrodes-droplet Based Paracetamol Detection in Biological Fluids for “Point-of-care” Applications

Author

Stanković, Dalibor, Ognjanović, Miloš, Jović, Milica, Cuplić, Valentina, Lesch, Andreas, Girault, Hubert H., Gavrović-Jankulović, Marija, Antić, Bratislav, Stanković, Dalibor, Ognjanović, Miloš, Jović, Milica, Cuplić, Valentina, Lesch, Andreas, Girault, Hubert H., Gavrović-Jankulović, Marija, and Antić, Bratislav

Abstract

A disposable acetaminophen biosensor based on inkjet-printed CNT electrodes (IJPCNT) modified with amidase/cerium dioxide@graphene nanoribbons composite was developed (ACeO2@GNR/IJPCNT). The enzyme amidase A was used for the first time as a recognition element. Inkjet-printed CNT electrodes served as a basis for the construction of a biosensor that enables droplet detection using 5 μL sample volume. The biosensor showed high selectivity, sensitivity, a low detection limit of 0.18 μM and a wide working linear range from 1 to 100 μM. The proposed approach allows fast and reliable detection of acetaminophen in biological fluids with negligible matrix effect and remarkable reproducibility.

Published
2019

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