Difference between revisions of "Agar Diffusion"
From Genetics Wiki
(→Red Food Coloring) |
|||
| Line 2: | Line 2: | ||
=Red Food Coloring= | =Red Food Coloring= | ||
| + | |||
| + | This is done with a single drop of food coloring containing FD&C Red 3 and Red 40. Be careful not to disturb the plate and cause the drop to run until it is compltely absorbed into the media. | ||
[[File:Reddropagarose.jpg|200px|thumb|left|Starting Drop]] | [[File:Reddropagarose.jpg|200px|thumb|left|Starting Drop]] | ||
| Line 8: | Line 10: | ||
[[File:reddropdiffusion3.jpg|200px|thumb|left|Two and a half hours later]] | [[File:reddropdiffusion3.jpg|200px|thumb|left|Two and a half hours later]] | ||
| + | |||
| + | After sitting overnight the liquid was completely absorbed into the media and the plate could be inverted. | ||
[[File:Reddropdiffusion4.jpg|200px|thumb|left|20 hours later, inverted]] | [[File:Reddropdiffusion4.jpg|200px|thumb|left|20 hours later, inverted]] | ||
Revision as of 05:18, 20 July 2018
A simple demonstration of diffusion through agar media to visually illustrate that viruses diffuse through plate media.
Red Food Coloring
This is done with a single drop of food coloring containing FD&C Red 3 and Red 40. Be careful not to disturb the plate and cause the drop to run until it is compltely absorbed into the media.
File:Reddropdiffusion2.jpg
One Hour Later
File:Reddropdiffusion3.jpg
Two and a half hours later
After sitting overnight the liquid was completely absorbed into the media and the plate could be inverted.
What Links Here
- SEA-PHAGES (← links)
