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Latest Activity: May 1, 2011

Discussion Forum

Are carbon nanopipettes better than glass micropipettes?

Started by Yury Gogotsi Oct 19, 2008. 0 Replies

We produce carbon-tipped pipette to decrease the diameter and add functionality (SERS, electrochemistry, etc.) to glass micropipettes, which are currently used for cell injections. See:M. G. Schrlau,…Continue

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Comment by Brad Rangell on March 3, 2009 at 6:03am
This is a link to an abstract on scanning ion conductance microscopy recently published in Nature Methods. This is an SPM technique that uses a pipette to scan instead of a silicon probe. If you are interested in high resolution live cell imaging you should take a minute to check it out. The lateral resolution is around 10nm for living cells.

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Comment by Brad Rangell on April 1, 2008 at 6:20am
Thanks for the welcome. I will post some images and information on this soon.

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Comment by Georgette on March 30, 2008 at 9:45am
Welcome Brad!!!! I am very interested in the imaging of you! May be you can post an image on this site? As far as I know Andras, the material is a special kind of glass which you can order. If you want to know the exact details, let me know.....

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Comment by Brad Rangell on March 30, 2008 at 5:07am
Hello, my interest in nanopipettes is related to imaging. I work with a new SPM technique, scanning ion conductance microscopy (SICM). The technique uses a nanopipette to produce high resolution images of live cells.

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Comment by András Paszternák, PhD (founder) on March 28, 2008 at 8:33pm
From which material is this nanopipette?

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Comment by Georgette on March 28, 2008 at 8:11pm
Thanks Yuri! The SEM picture I posted above is a sample of a nanopipette created by Alessandro Formenti, also member of this site. Greets, Georgette

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Comment by Yury Gogotsi on March 28, 2008 at 6:32pm
You may be interested in the method of nanopipette assembly prosed in the following paper:
J. R. Freedman, D. Mattia, G. Korneva, Y. Gogotsi, G. Friedman, A. K. Fontecchio, Magnetically Assembled Carbon Nanotube Tipped Pipettes, Applied Physics Letters 90, 103108 (2007)

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