Design of a QCM-sensor for on-line monitoring biofilm growth

Amer, Miquel-Àngel; Navarro, Marc; Turó, A.; Hernandez, Miguel Garcia; Soler, Jordi; Chávez, J.A.

doi:10.1109/i2mtc50364.2021.9459952

Cited by 2 publications

(1 citation statement)

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“…In this new sensor design for bacterial biofilm measurements, the sensitivity and losses produced by the crystal support on the holder, assembly stability, airtightness, measurement specificity, and compatibility of the holder material with the biological culture media were taken into account. More details about the QCM sensor are explained by the authors in previous works [35,36].…”

Section: Qcm Sensor Design and Fabricationmentioning

confidence: 99%

Real-Time Detection of the Bacterial Biofilm Formation Stages Using QCM-Based Sensors

et al. 2023

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Bacterial biofilms are a major cause of harm related to medical infections and biofouling. Thus, 80% of total infections are caused by biofilm-forming microorganisms. Consequently, knowledge of biofilm formation stages is crucial to develop effective treatments to prevent their formation in medical implants, tools, and devices. For this purpose, quartz crystal microbalance (QCM) sensors are becoming a good alternative to analytical methods for the real-time monitoring of bacterial growth in liquid media culture. In a previous paper, the authors described an affordable multi-channel measurement instrument based on QCM sensors. However, in order to validate its correct operation, complementary experimental measurements based on bacterial biofilm growth were performed. In this work, the experimental measurements that allow the identification of the different biofilm formation stages are described. The results obtained are discussed.

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Section: Qcm Sensor Design and Fabricationmentioning

confidence: 99%

Real-Time Detection of the Bacterial Biofilm Formation Stages Using QCM-Based Sensors

et al. 2023

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Online biofilm monitoring is missing in technical systems: how to build stronger case-studies?

Pereira

Melo

2023

npj Clean Water

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Using physical tools to assess online, real-time, continuous information about biofilms in technical water systems is a key component of an early-warning antifouling strategy. However, online biofilm monitoring is not yet relevant in real-field practice, nor in lab studies. In this review we analyse online biofilm monitoring from an academic perspective to provide insights on what science can improve to bring it to the spotlight of biofouling management and prevention. We argue the need to involve a broader community of biofilm researchers on the use of online monitoring to deepen biofilm studies (e.g. linking biofilm features, dynamics and operational impact) as well as the need for more, and better detailed studies. This will, consequently, reinforce the added value of biofilm monitoring as part of an early-warning antifouling strategy while bridging the techniques’ potential to the real-field needs. Finally, we propose a framework to improve laboratorial and field studies.

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Design of a QCM-sensor for on-line monitoring biofilm growth

Cited by 2 publications

References 13 publications

Real-Time Detection of the Bacterial Biofilm Formation Stages Using QCM-Based Sensors

Real-Time Detection of the Bacterial Biofilm Formation Stages Using QCM-Based Sensors

Online biofilm monitoring is missing in technical systems: how to build stronger case-studies?

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