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Título

Ultrasonic measurement device for the characterization of microbiological and biochemical processes in liquid media

AutorElvira Segura, Luis CSIC ORCID CVN; Durán Gómez, Carmen CSIC ORCID ; Sierra Sánchez, Carlos José CSIC; Resa López, Pablo Ismael CSIC; Montero de Espinosa Freijo, Francisco CSIC ORCID
Palabras claveUltrasound
Wave speed
Wave amplitude
Microbiological process
Biochemical process
Fecha de publicaciónjul-2007
EditorInstitute of Physics Publishing
CitaciónMeasurement Science and Technology 18(7): 2189-2196 (2007)
ResumenA measuring device for the characterization of liquid media based on the propagation of ultrasonic waves is presented. It is a four-channel system especially designed for monitoring microbiological and biochemical processes. The liquid samples are placed in commercial glass bottles which can be sterilized. The bottles have inlet and outlet tubes, which can be used for adding substances or extracting samples during the measuring process without interruption. Magnetic stirring can be used to keep the liquid agitated for homogenization purposes. Thermal control elements assure the temperature stability during the measurement. The liquid characterization is based on the detection of amplitude and time-of-flight changes in the sample under study. The main features, operation and performance of this ultrasonic device are analysed in this work, and some measurements and preliminary results are shown.
Descripción8 páginas, 14 figuras.
Versión del editorhttp://dx.doi.org/10.1088/0957-0233/18/7/051
URIhttp://hdl.handle.net/10261/31795
DOI10.1088/0957-0233/18/7/051
ISSN0957-0233
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