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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Schlaff-Masuth, B. Hempel, U. Lucklum, R. Hauptmann, P. |
| Copyright Year | 2004 |
| Description | Author affiliation: Inst. for Micro- & Sensor Syst., Otto-von-Guericke Univ. of Magdeburg, Germany (Schlaff-Masuth, B.; Hempel, U.; Lucklum, R.; Hauptmann, P.) |
| Abstract | This work engages in interfacial effects when particles in liquids are measured with quartz crystal resonators (QCR). Basic strategy is the excitation of the QCR sensor not only in fundamental but also in overtone mode for more information about the attachment process. Particles with diameters of 100 nm up to 2 /spl mu/m and liposomes with diameters up to 1200 nm have been measured. Particles and quartz surfaces have been functionalized to get different binding strengths. We assume that interfacial effects between film and gold electrode as well as lateral distribution of particles/liposomes determine the data measured with the QCR. Theoretical calculations predict a dramatic dependence on interfacial properties. Indeed, experiments performed under equivalent conditions with macroscopically similar properties show variations, which prove the theoretical predictions. |
| Starting Page | 790 |
| Ending Page | 793 |
| File Size | 718805 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780386922 |
| DOI | 10.1109/ICSENS.2004.1426287 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2004-10-24 |
| Publisher Place | Austria |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Particle measurements Gold Electrodes Frequency Acoustic waves Sensor systems Acoustic measurements Nanoparticles Viscosity Elasticity |
| Content Type | Text |
| Resource Type | Article |
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