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Friday, November 26, 2010

Re: NanoNews-Now Digest #315 Ready

On Nov 26, 2010 3:48 PM, "Nanotechnology Now" <newsletter@nanotech-now.com> wrote:
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Re: [thingiverse] Re: [Open Manufacturing] Fwd: [MakerBot] Re: STL files for Atomic Force Microscope

You can use Tape
"
first isolated individual graphene planes by using Scotch tape.[13]
...
Graphene biodevices

Graphene's modifiable chemistry, large surface area, atomic thickness and molecularly-gatable structure make antibody-functionalized graphene sheets excellent candidates for mammalian and microbial detection and diagnosis devices.[132]

The most ambitious biological application of graphene is for rapid, inexpensive electronic DNA sequencing. Integration of graphene (thickness of 0.34 nm) layers as nanoelectrodes into a nanopore[133] can solve one of the bottleneck issues of nanopore-based single-molecule DNA sequencing.

"
 

 
On Fri, Nov 26, 2010 at 10:56 AM, Bryan Bishop <kanzure@gmail.com> wrote:
On Fri, Nov 26, 2010 at 10:49 AM, Lee Nelson wrote:
> Yes putting it on a flatbed scanner and/or having a webcam should be
> included. But that will not read the basepairs like the new "DNA Pores"
>
> http://www.sciencedaily.com/releases/2007/05/070511100913.htm
>
> http://www.aip.org/png/2006/254.htm
>
> http://www.google.com/search?q=dna+pore

Yes, but if you want to read DNA via AFM, you should put it on a
graphite or gold surface:
http://bio.cc/Bioinformics/papers/AFM-DNA-sequencing/

- Bryan
http://heybryan.org/
1 512 203 0507

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