Papi, M., Arcovito, G., De Spirito, M., Vassalli, M. and Tiribilli, B. (2006) Fluid viscosity determination by means of uncalibrated atomic force microscopy cantilevers. Applied Physics Letters, 88, 194102. (doi: 10.1063/1.2200588)
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Abstract
In this letter it has been proved that the vibrating resonance frequency of an atomic force microscope cantilever is strictly characterized by its thickness (α), while its width/thickness ratio (β) appears to be a less sensitive parameter that can be approximated to a constant. We therefore propose a data analysis method that, by accounting for a constant β, allows for the determination of the value of α and consequently to calculate η. This method of monitoring viscosity has the advantage of requiring short measurement times on very small sample volumes, thereby avoiding laborious, time-consuming cantilever calibration.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Vassalli, Professor Massimo |
| Authors: | Papi, M., Arcovito, G., De Spirito, M., Vassalli, M., and Tiribilli, B. |
| College/School: | College of Science and Engineering > School of Engineering > Biomedical Engineering |
| Journal Name: | Applied Physics Letters |
| Publisher: | AIP Publishing |
| ISSN: | 0003-6951 |
| ISSN (Online): | 1077-3118 |
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