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Biomass monitoring using acoustic spectroscopy
Swedish Electrostatics AB, 115 42 Stockholm, Sweden.
Mälardalen University.
2006 (English)In: IEEE Sensors Journal, ISSN 1530-437X, E-ISSN 1558-1748, Vol. 6, no 5, 1068-1075 p., 1703462Article in journal (Refereed) Published
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Abstract [en]

A sensor for measuring the concentration of microorganisms using acoustic spectroscopy in the audible frequency range was evaluated. Tests were made on a monoculture of Escherichia coli in pilot plant scale and on active biological sludge from two municipal water purification plants. The evaluation of acoustic spectra resulted in the conclusion that the sensor is useful for online cell density measuring and for the detection of morphological changes in monocultures but not for use on active biological sludge. For this purpose, a data analytical method, i.e., fingerprint analysis of collected data, might be of use.

Place, publisher, year, edition, pages
2006. Vol. 6, no 5, 1068-1075 p., 1703462
Keyword [en]
Acoustic, Biological sludge, Cell density, Fermentation, Sensor, Data analytical method, Monocultures, Acoustic spectroscopy, Biomass, Cells, Escherichia coli, Biosensors
Identifiers
URN: urn:nbn:se:mdh:diva-31887DOI: 10.1109/JSEN.2006.881434ISI: 000240698200006Scopus ID: 2-s2.0-33749532640OAI: oai:DiVA.org:mdh-31887DiVA: diva2:936681
Available from: 2016-06-14 Created: 2016-06-14 Last updated: 2016-11-01Bibliographically approved

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CiteExportLink to record
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