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Experimental study of the microbial growth in liquid cultures using qualitative changes of the linear and non-linear ultrasonic propagation parameters

AuthorsElvira Segura, Luis; Montero de Espinosa Freijo, Francisco; Resa López, Pablo Ismael ; Maestre, Juan Ramón
KeywordsBacteria colonies
Liquid cultures
Clinical analysis
Transmission ultrasonic measurement technique
Propagation parameters
Issue DateSep-2002
PublisherSociedad Española de Acústica
CitationForum Acusticum Sevilla 2002. Ultrasonics ; ULT-01-003
AbstractDetection of the growth of bacteria colonies is a matter of prime interest in clinical analysis. In this work, a transmission ultrasonic measurement technique for microbiological detection is presented. Linear and non-linear propagation parameters in liquid cultures are affected by the appearance of metabolism products and bacteria colonies. This technique allows a noninvasive, real time control of biological processes avoiding the disadvantages arising from the manipulation of samples (contamination, time waste).
Description6 pages, 7 figures.-- PACS nrs.: 43.25.Ed, 43.35.Bf, 43.80.Ev.-- Communication presented at: Forum Acusticum Sevilla 2002 (Sevilla, Spain, 16-20 Sep 2002), comprising: 3rd European Congress on Acoustics; XXXIII Spanish Congress on Acoustics (TecniAcústica 2002); European and Japanese Symposium on Acoustics; 3rd Iberian Congress on Acoustics.-- Special issue of the journal Revista de Acústica, Vol. XXXIII, year 2002.
Publisher version (URL)http://www.sea-acustica.es/Sevilla02/ult01003.pdf
Appears in Collections:(IA) Comunicaciones congresos
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