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Fast AFM probes measure multiple properties of biomolecules or materials simultaneously
Date:4/16/2008

biomolecules are obtained when the probe stiffness matches the sample stiffness, explained Degertekin. If you use a piezoelectric or any other linear actuator, you dont have that phenomenon you cannot soften things.

By electrically changing the spring constant of the FIRAT probe, Degertekin can adjust the stiffness of the membranes, providing the ability to use the same probe to identify the mechanical properties of different samples some soft and some stiff. This research was published in the December 2007 issue of the journal Applied Physics Letters.

We know these probes improve the speed of AFM scans and provide increased information about a sample, said Degertekin. The next step is to batch fabricate them so that all researchers using AFM systems can benefit from these probes.


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Contact: Abby Vogel
avogel@gatech.edu
404-385-3364
Georgia Institute of Technology Research News
Source:Eurekalert  

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