Monitoring of biofilm growth with thickness-shear mode quartz resonators in different flow and nutrition conditions

Hannu Helle (Corresponding Author), Pertti Vuoriranta, Hannu Välimäki, Jukka Lekkala, Viljakaisa Aaltonen

Research output: Contribution to journalArticleScientificpeer-review

19 Citations (Scopus)

Abstract

Monitoring of microbial biofilm growth with 10 MHz thickness-shear mode (TSM) resonators in aqueous systems with different fluid flow speed and nutrition environments was studied. Biofilm grew even on a polished gold surface of the resonator. Admittance magnitude of the resonator was found to be a robust electrical quantity to monitor, since the pressure shocks generated by the fluid pumps seem to add considerable noise only to resonance frequency. Microbial biofilm growth has not been earlier reported as a function of admittance magnitude of a TSM resonator.

Original languageEnglish
Pages (from-to)47 - 54
Number of pages8
JournalSensors and Actuators B: Chemical
Volume71
Issue number1-2
DOIs
Publication statusPublished - 2000
MoE publication typeA1 Journal article-refereed

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nutrition
biofilms
Quartz
Biofilms
Nutrition
Resonators
quartz
resonators
shear
Monitoring
electrical impedance
Gold
fluid flow
Flow of fluids
shock
Pumps
pumps
gold
Fluids
fluids

Cite this

Helle, Hannu ; Vuoriranta, Pertti ; Välimäki, Hannu ; Lekkala, Jukka ; Aaltonen, Viljakaisa. / Monitoring of biofilm growth with thickness-shear mode quartz resonators in different flow and nutrition conditions. In: Sensors and Actuators B: Chemical. 2000 ; Vol. 71, No. 1-2. pp. 47 - 54.
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Monitoring of biofilm growth with thickness-shear mode quartz resonators in different flow and nutrition conditions. / Helle, Hannu (Corresponding Author); Vuoriranta, Pertti; Välimäki, Hannu; Lekkala, Jukka; Aaltonen, Viljakaisa.

In: Sensors and Actuators B: Chemical, Vol. 71, No. 1-2, 2000, p. 47 - 54.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

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AU - Helle, Hannu

AU - Vuoriranta, Pertti

AU - Välimäki, Hannu

AU - Lekkala, Jukka

AU - Aaltonen, Viljakaisa

PY - 2000

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DO - 10.1016/S0925-4005(00)00590-6

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