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Self-assembly of a DNA-carbon nanotube hybrid

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Carbon nanotubes cause single stranded DNA molecules to undergo a conformational change that enables DNA bases (green) to stick to the carbon nanotube wall.

Channel: Science & Technology
Uploaded: November 30, 1999 at 12:00 am
Author: nanobob97

Length: 00:30
Rating: 3.00
Views: 696

Tags: dna  nano  nanoscience  nanotechnology  nanotube  self-assembly  

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Video Comments

sootica21 (November 30, 1999 at 12:00 am)
Thanks so much! I particularly liked the way the bases (purines?) flattened to lie against the NT surface.
nanobob97 (November 30, 1999 at 12:00 am)
This is a simulation of 20 ns of the dynamics of single stranded DNA and a carbon nanotube in aqueous solution. The simulation took several days to compute in "real time". But yes, this is what would occur over a 20 ns timescale at the molecular level. The program GROMACS was used to compute the trajectory and the program VMD was used for the visualization.
sootica21 (November 30, 1999 at 12:00 am)
Hey- I'm pretty impressed by this simulation; does it genuinely last only 20ns? Do you mind my asking what program you used to write this? Thanks!
SubwayatNight (November 30, 1999 at 12:00 am)
I agree 2giveup! Why not leave well enough alone? I'm fine with getting a cold once in a while if it means not being turned into a rabid zombie killer like the ones in "I am Legend." Wil Smith won't always be there to bail us out. Ha! Just kidding! Good job Bob. I'm impressed with your work. As usual.
2giveup (November 30, 1999 at 12:00 am)
sure why not screw up everyones dna on a monatomic level great you guuys dont even know how these react to certian gases and the tech to check is not sufficent..be careful mother nature will bite back..
hyperthreaded (November 30, 1999 at 12:00 am)
I see. Thanks.
nanobob97 (November 30, 1999 at 12:00 am)
This is a visualization of a molecular dynamics simulation. The actual simulation lasted 20 ns.
hyperthreaded (November 30, 1999 at 12:00 am)
Is this an actual simulation or just an ordinary computer animation?
lemill00 (November 30, 1999 at 12:00 am)
Wow...enough said.

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