Biological, Liquid and Gas Sensors Based on Piezoelectric Resonators
A special issue of Sensors (ISSN 1424-8220). This special issue belongs to the section "Electronic Sensors".
Deadline for manuscript submissions: closed (18 January 2022) | Viewed by 28159
Special Issue Editors
Interests: theoretical and experimental research of bulk, surface and plate acoustic waves propagating in piezoelectric materials and structures, and developing various chemical, liquid and biological devices and sensors on this basis; the propagation of acoustic waves in conductive and viscous liquids and polymers and measures their acoustic parameters
Special Issues, Collections and Topics in MDPI journals
Interests: theoretical and experimental research of bulk, surface and plate acoustic waves propagating in piezoelectric materials and structures, and developing various chemical, liquid and biological devices and sensors on this basis; creation of biological sensors for the detection and identification of viruses and bacteria, as well as antibiotics in various environments
Special Issues, Collections and Topics in MDPI journals
Special Issue Information
Dear Colleagues,
Resonators based on bulk acoustic waves with a longitudinal or lateral exciting electric field and one- or two-port resonators on surface or plate acoustic waves will be considered. A gas-sensitive element uses a layer deposited on the surface of a piezoelectric resonator of any type, the mechanical or electrical properties of which change in the presence of the analyzed gas. Liquid sensors are developed by using the contact of the analyzed liquid with a resonator such as those considered, the main parameters of which change when the mechanical or electrical properties of the contacting liquid change. As for biological sensors, two variants are contemplated. In the first variant, an active layer containing immobilized antibodies, bacteria or a virus is applied to the surface of the resonator. When a specific reagent is added to this layer, its properties change, which allows the detection and identification of the bacteria or virus. In the second variant, the biological reaction occurs directly in a liquid suspension containing the studied microorganisms to which a specific or non-specific reagent is added. Changing the physical properties of the suspension will allow one to detect and identify microorganisms contained in the suspension.
This Special Issue aims to receive submissions of both review and original research articles related to biological, liquid and gas sensors including various types of piezoelectric resonators based on bulk, surface and plate acoustic waves. Such sensors are widely used to diagnose various diseases at an early stage, to monitor the environment and to control various liquids in the food and chemical industries. These sensors include:
- biological sensors for detection and identification of microorganisms, operating with active layers containing immobilized antibodies or bacteria or without them directly in liquid phase;
- liquid sensors for measuring the mechanical and electrical properties of the liquid in contact with the resonator;
- gas sensors for detection of the analyzed gas, including a gas-sensitive layer in contact with the resonator.
Dr. Boris D. Zaitsev
Dr. Irina A. Borodina
Guest Editors
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Keywords
- piezoelectric resonators with longitudinal or lateral exciting electric field;
- resonators on plate or surface acoustic wave;
- layer with immobilized microorganism;
- bacteria- or virus-specific reagent;
- suspension of bacteria or virus;
- viscous and conducting liquid;
- liquid identification;
- gas-sensitive layer;
- gas identification.
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