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Information × Registration Number 0223U000189, 0118U005167 , R & D reports Title Increase of informativity and metrological reliability of electrochemical enzymef biosensor systems based on modern materials. Section 2. Development of electrochemical biosensors and biosensor systems based on immobilized enzymes. popup.stage_title Head Dziadevych Serhii V., Доктор біологічних наук Registration Date 05-01-2023 Organization Institute of Molecular Biology and Genetics of NAS of Ukraine popup.description2  Approbation of amperometric biosensor systems for measuring analyte concentrations in real samples was carried out and the results obtained were compared with control methods. Glutamate concentrations in sauces and seasonings were determined using a biosensor and spectrophotometric method, and a good correlation of the results of both experimental methods and both calculation approaches was shown. The results of the study showed that the presence of sauces and seasonings in the solution does not significantly affect the value of optical absorption when determining the concentration of glutamate using spectrophotometry, which indicates the absence of significant matrix effects. It was shown that the relative standard deviation of the responses of the biosensor to the food sample was 2.7%, and the dilution of the samples did not affect the determination of glutamate concentration. Product Description popup.authors Arkhypova Valentyna M. Kalinichenko Larysa O. Kucherenko Ivan S. Kucherenko Daria Yu. Saiapina Olha Ya. Sergeyeva Tetyana A. Soldatkin Olexiy P Soldatkin Oleksandr O. Shkotova Liudmyla V popup.nrat_date 2023-01-05 Close