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  1. No Access

    Article

    A Biological Sensor Based on the Acoustic Slot Mode Using Microbial Cells for the Determination of Ampicillin

    A biological sensor for the determination of ampicillin in conductive solutions is presented. The sensor is based on an acoustic slot mode in a structure consisting of two lithium niobate piezoplates of differ...

    I. A. Borodina, B. D. Zaitsev, A. K. M. Alsowaidi, O. A. Karavaeva… in Acoustical Physics (2022)

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    Article

    Phage Antibodies as Bioreceptors for Ampicillin Detection

    Ampicillin-specific antibodies were obtained using a sheep display library of scFv fragments (Griffin.1, UK). Ampicillin was determined by dot-immunoassay with biospecific interaction of selected recombinant a...

    O. I. Guliy, A. K. M. Alsowaidi, A. S. Fomin… in Applied Biochemistry and Microbiology (2022)

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    Article

    Biosensor Systems for Antibiotic Detection

    Antibiotics are widely used in medicine, veterinary medicine, and the food industry. However, the active use of antibacterial drugs leads to environmental pollution. In this regard, there is a great need for m...

    O. I. Guliy, B. D. Zaitsev, A. K. M. Alsowaidi, O. A. Karavaeva… in Biophysics (2021)

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    Article

    Determination of a Microbial Cells in Their Interaction with Phage Mini-Antibodies by the Sensor Based on a PZT Resonator with a Lateral Electric Field

    A sensor is designed on the basis of a PZT resonator with a lateral electric field for the express analysis of microbial cells. The possibility of detecting and identifying microbial cells by recording their s...

    I. A. Borodina, B. D. Zaitsev, A. A. Teplykh… in Bulletin of the Russian Academy of Science… (2021)

  5. No Access

    Article

    Acoustic Sensor System to Detect Bacteria in an Aquatic Environment

    A method been developed for the rapid determination of bacteria on the example of E. coli cells in tap water with a slot-mode sensor in the acoustic-delay line. The method is based on the recording of changes in ...

    O. I. Guliy, B. D. Zaitsev, O. A. Karavaeva… in Applied Biochemistry and Microbiology (2020)