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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 Dr. András Paszternák, 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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Publications by A. Paszternák:

Smartphone-Based Extension of the Curcumin/Cellophane pH Sensing Method

Pd/Ni Synergestic Activity for Hydrogen Oxidation Reaction in Alkaline Conditions

The potential use of cellophane test strips for the quick determination of food colours

pH and CO2 Sensing by Curcumin-Coloured Cellophane Test Strip

Polymeric Honeycombs Decorated by Nickel Nanoparticles

Directed Deposition of Nickel Nanoparticles Using Self-Assembled Organic Template,

Organometallic deposition of ultrasmooth nanoscale Ni film,

Zigzag-shaped nickel nanowires via organometallic template-free route

Surface analytical characterization of passive iron surface modified by alkyl-phosphonic acid layers

Atomic Force Microscopy Studies of Alkyl-Phosphonate SAMs on Mica

Amorphous iron formation due to low energy heavy ion implantation in evaporated 57Fe thin films

Surface modification of passive iron by alkylphosphonic acid layers

Formation and structure of alkylphosphonic acid layers on passive iron

Structure of the nonionic surfactant triethoxy monooctylether C8E3 adsorbed at the free water surface, as seen from surface tension measurements and Monte Carlo simulations

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