Team:ETH Zurich/labblog/20140825meet

From 2014.igem.org

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* We carried diffusion experiment with different designs : punched PDMS, liquid, beads. For every design we added high concentrations of pure AHL in the sender well, so cells are glowing a lot. However because of this high concentration, diffusion is very high and at a given AHL concentration, receiving cells are glowing at the same time for all 4 channel lengths. Check  <html> <a id="insidelink" target="diffusionexp" href="https://2014.igem.org/Team:ETH_Zurich/blog#diffusionexp"> the corresponding article </a> </html>  for more details.
* We carried diffusion experiment with different designs : punched PDMS, liquid, beads. For every design we added high concentrations of pure AHL in the sender well, so cells are glowing a lot. However because of this high concentration, diffusion is very high and at a given AHL concentration, receiving cells are glowing at the same time for all 4 channel lengths. Check  <html> <a id="insidelink" target="diffusionexp" href="https://2014.igem.org/Team:ETH_Zurich/blog#diffusionexp"> the corresponding article </a> </html>  for more details.
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*We have a Comsol simulation for these experiments that explains why at this concentration of AHL (1mM), all 4 wells glow at the same time irrespectively of channel length.
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*We have a Comsol simulation for these experiments that explains why at this concentration of AHL (1mM), all 4 wells glow at the same time irrespectively of channel length. Check <html> <a id="insidelink" targetid="diffcomsol" href="https://2014.igem.org/Team:ETH_Zurich/blog#diffcomsol"> this article </a> </html>  for more details.
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[[File:ETH Zurich Comsol3.PNG|center|900px|thumb|Comsol simulation of diffusion experiments for 1mM and for 1 &mu;M AHL initial concentration in sender wells. It explains why with 1mM all wells start glowing at the same time.]]
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* We could fit degradation rates of external, internal AHL and GFP thanks to quorum sensing dynamic curves.
* We could fit degradation rates of external, internal AHL and GFP thanks to quorum sensing dynamic curves.

Revision as of 18:59, 11 October 2014