Dictionary » P » Purification

Purification

purification

(Science: chemistry) A central part of downstream processing. Large-scale purification methods are used to take a crude fermentation supernatant or cell homogenate and isolate the product from it in a fairly pure form.


Please contribute to this project, if you have more information about this term feel free to edit this page



Results from our forum


Help: PPAR purification

Hello, I am doing PPARs (a nuclear receptor, a nuclear protein) purification by using PPARs transformed E.coli. But by now I have not got any PPARs. I do not know why. If there is anyone who knows about this or has done some experiments about this, please ...

See entire post
by janciey227
Thu Aug 20, 2009 7:21 am
 
Forum: General Discussion
Topic: Help: PPAR purification
Replies: 0
Views: 42

RNA from feathers

... http://jvdi.org/cgi/reprint/13/2/162.pdf and I am pretty sure that this method can be adapted for RNA (use the lysis conditions then do a trizol purification instead of the phenol choloroform): http://jvdi.org/cgi/reprint/13/2/162.pdf

See entire post
by canalon
Sat Jul 25, 2009 1:28 am
 
Forum: Molecular Biology
Topic: RNA from feathers
Replies: 3
Views: 138

I get short smears trying to amplify tomato DNA, pleaseHelp

... number of polysaccharides and multiples organic acids can be co-purified with the DNA. I am currently working with algae samples, and finding a purification method that would get rid of the inhibitors took me a while. There are some kits that are special for plants or have modification for plants ...

See entire post
by canalon
Sat Jul 25, 2009 1:25 am
 
Forum: Molecular Biology
Topic: I get short smears trying to amplify tomato DNA, pleaseHelp
Replies: 5
Views: 165

Some problems of DNA recovery from native PAGE gel

... min; 7. take out the supernatant, and the DNA should be in it. The problem is that when I use nanodrop to measure the concentraion and check the purification, i found that only 10% DNA is recovered, and the product is not pure. Please help me to find the mistakes. Thanks.

See entire post
by wusilinqi
Thu May 14, 2009 5:20 am
 
Forum: Genetics
Topic: Some problems of DNA recovery from native PAGE gel
Replies: 1
Views: 546

PHENOL-CHLOROFORM EXTRACTION USING UNPASTEURISED STILTON!

... should be reconsidered: - Many cheese are acidic, and DNA can be damaged even by weak acid. - Cheese is fat, and that is not ideal for DNA purification - What size of sample are you using, maybe it is too small ? If you can have access to scientific journal I suggest you start by reviewing ...

See entire post
by canalon
Sun Apr 26, 2009 7:43 pm
 
Forum: Molecular Biology
Topic: PHENOL-CHLOROFORM EXTRACTION USING UNPASTEURISED STILTON!
Replies: 1
Views: 377
View all matching forum results

This page was last modified 21:16, 3 October 2005. This page has been accessed 976 times. 
What links here | Related changes | Permanent link