A coupled Flow Injection-Quartz Crystal Microbalance (FI-QCM) system was developed and validity of Sauerbrey and Kanazawa-Gordon equations was verified in this case. The obsd. increase of ∼1 order of magnitude for mass sensitivity was attributed to the peculiar hydrodynamics of the flow cell. Langmuir-Blodgett films made of phthalocyanines were grown as recognition elements on crystals. Preliminary results on such FI-QCM sensors for total phenolics in H2O are promising.
Development of a flow injection QCM system for environmental sensing and preliminary application to determination of phenols in water
MALITESTA, Cosimino;
2003-01-01
Abstract
A coupled Flow Injection-Quartz Crystal Microbalance (FI-QCM) system was developed and validity of Sauerbrey and Kanazawa-Gordon equations was verified in this case. The obsd. increase of ∼1 order of magnitude for mass sensitivity was attributed to the peculiar hydrodynamics of the flow cell. Langmuir-Blodgett films made of phthalocyanines were grown as recognition elements on crystals. Preliminary results on such FI-QCM sensors for total phenolics in H2O are promising.File in questo prodotto:
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