According to a recent article (http://www.ncbi.nlm.nih.gov/pubmed/22809873), food-grade agar can be substituted for bacteriological agar with no apparent effects except colour of the medium.
-J
kl. 10:01:51 UTC+1 lørdag 23. mars 2013 skrev Cathal Garvey (Phone) følgende:
--I really should add that to my biohacking protocols repo..
Suffice to say it's doable, and straightforward, but very messy and not cost effective unless you can fractionally distil an alcohol *and* propylene glycol (boils 200+C).
Am pretty sure I shared the protocol on this list previously..Patrik D'haeseleer <pat...@gmail.com> wrote:On Monday, March 23, 2009 10:35:28 AM UTC-7, Aaron Hicks wrote:
Some of the older texts (1960s and 1970s) discuss purification of agar to increase clarity. It's a pretty involved process, but if anybody would like the references so they can go read about it themselves, I can look them up.
If I remember correctly, Cathal gave that a try. Don't remember if he ever gave a thorough summary of his experience with this, other than that it was very messy...
Patrik
--
Sent from my Android phone with K-9 Mail. Please excuse my brevity.
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