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Application of piezoelectric sensors to aspartame determination in fluids
https://doi.org/10.26896/1028-6861-2024-90-7-27-31
Abstract
The study touches the development of piezoelectric sensors based on molecularly imprinted polymers (MIPs) with an aspartame imprint. The values of the imprinting factors and the selectivity coefficients of the developed sensor MIP-E951 in relation to target molecules and other sweeteners were calculated to confirm the ability of MIP -951 to selective detection of aspartame. The range of determined concentrations is 1 – 1 × 10–3 g/liter, the detection limit of aspartame is 5 × 10–4 g/liter. When analyzing model solutions, it was found that foreign components usually present in soft drinks do not interfere with the determination of aspartame using the developed sensor. The obtained sensors were tested for the determination of aspartame in soft drinks. Chromatographic analysis was used as a reference method. The results obtained by both methods indicate that piezo sensors can be successfully used for the analysis of aspartame in liquid media. The error of determination does not exceed 8%.
About the Authors
A. Yu. Vybornyi
Voronezh State University
Russian Federation
Russian Federation
Anton Yu. Vybornyi
1, Universitetskaya pl., Voronezh, 394018, Russia
O. A. Shuvalova
Voronezh State University
Russian Federation
Russian Federation
Oksana A. Shuvalova
1, Universitetskaya pl., Voronezh, 394018, Russia
A. N. Zyablov
Voronezh State University
Russian Federation
Russian Federation
Alexander N. Zyablov
1, Universitetskaya pl., Voronezh, 394018, Russia
Nhat Linh Cao
Joint Vietnam-Russia Tropical Science and Technology Research Center, Coastal Branch
Viet Nam
Viet Nam
Cao Nhat Linh
30, Nguyen Thien Thuat, Nha Trang, 57127, Vietnam
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Review
For citations:
Vybornyi A.Yu., Shuvalova O.A., Zyablov A.N., Cao N.L. Application of piezoelectric sensors to aspartame determination in fluids. Industrial laboratory. Diagnostics of materials. 2024;90(7):27-31. (In Russ.) https://doi.org/10.26896/1028-6861-2024-90-7-27-31
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