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QNM Probe selection

I am having a bit f an issue selecting a probe for a particular type of same I need to image using QNM. The sample is relatively stiff, so in order to get any mechanical contrast using QNM, I need a stiff probe. The only probes I have gotten to work are Tap525 which have a stiffness of 200 N/m. However, the sample is biological and in order to believe

Posted to SPM Digest (Forum) by Joseph Wallace on Fri, Dec 17 2010
Imaging Type I Collagen in Fluid Using ScanAsyst

Hi I have recently been trying to image Type I Collagen isolated from the tail tendon of mice. Using a variety of probes, I am able to get very nice images when the collagen is adsorbed to glass or mica, allowed to briefly dry and imaged in air. I was able to image the exact same location in both air and fluid and as soon as liquid is introduced, the

Posted to Off-Topic (Forum) by Joseph Wallace on Fri, Dec 17 2010

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