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  • Re: MPP-32100-10 tip data analysis

    Usually the tips which are really damaging to the cells are the ones: 1) that have a silicone (not Si3N4 but pure silicone) ending. 2) that have a pyramidal shape (like the OTR for instance, which are very good to image proteins but not suitable for cells). Let me know how it goes. Good luck, Alex.
    Posted to SPM Digest (Forum) by Anonymous on Thu, Jan 17 2013
  • Postdoc position announcement

    Simon Scheuring U1006 INSERM / AIX-MARSEILLE UNIVERSITE Tel. ++33 (0)4 91 82 87 08 (Secretary) Tel. ++33 (0)4 91 82 87 77 (Office) Email simon.scheuring@inserm.fr www: http://u1006-inserm.univ-mrs.fr We are seeking a highly motivated and talented postdoc for developing and applying a combined atomic force microscopy (AFM) – tip enhanced Raman
    Posted to SPM Digest (Forum) by Anonymous on Wed, Jan 16 2013
  • Re: problem with cantlilever tune - Multimode AFM

    Hi Eike-Christian, I suggest opening a new workspace and check if the problem presists. Regards, Stefan
    Posted to SPM Digest (Forum) by Anonymous on Fri, Jan 11 2013
  • Re: AFM files made be

    Hi yark, What are the version numbers of your software packages (aquisition and analysis)? Did you save the files any different than your other files? Did the problem occur again or did just happen once? Thanks, Stefan
    Posted to SPM Digest (Forum) by Anonymous on Fri, Jan 11 2013
  • Re: old hardware for sale?

    Hi Peter, Did you contact: http://www.asmicro.com/ It might be worthwhile checking with Don if he has what you are looking for. Best, Stefan
    Posted to SPM Digest (Forum) by Anonymous on Fri, Jan 11 2013
  • Re: Tip functionalization

    Thanks very much for the very prompt answer. I'll tell my customer. Best, Alex.
    Posted to SPM Digest (Forum) by Anonymous on Fri, Jan 11 2013
  • Re: QNM expected precision and tip wear

    Wow... 100nm; that's a lot! For 5-10 Gpa, the TAP525 are really the best. The RTESPA are slightly too soft and the DNISP slightly too stiff. Best, Alex.
    Posted to SPM Digest (Forum) by Anonymous on Fri, Jan 11 2013
  • Tip functionalization

    I got the following question from a user and was not able to answer: Does anybody know if Si3N4 and Si probes stand Piranha treatment? Thanks, Alex.
    Posted to SPM Digest (Forum) by Anonymous on Fri, Jan 11 2013
  • Re: MPP-32100-10 tip data analysis

    I think my answer didn't go through... Once again: I hardly use Hertz on cells but in that case, the equation is fairly easy. If using Sneddon, the correct anglt should be the BACK angle (25 deg. in that case). May I ask your opinion about those probes (I never had a chance to test them) in terms of measured modulus and quality/stability of imaging
    Posted to SPM Digest (Forum) by Anonymous on Thu, Jan 10 2013
  • Re: QNM expected precision and tip wear

    Dear Jeff, I spend most of my time working on biological samples with QNM but I also have experience with QNM on much stiffer samples (up to 100 GPa). I noticed that whatever the sample, the tips often get contaminated and/or dulled after even just one scan. Of course this severely impacts on the measured Young's modulus. If you start from a tip
    Posted to SPM Digest (Forum) by Anonymous on Thu, Jan 10 2013
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