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Extracts

Extract

(Science: pharmacology) a concentrated preparation of a vegetable or animal drug obtained by removing the active constituents therefrom with a suitable menstruum, evaporating all or nearly all the solvent and adjusting the residual mass or powder to a prescribed standard. Extracts are prepared in three forms, semiliquid or of syrupy consistency, pilular or solid and as dry powder.

Origin: L. Extractum


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nuclear DNA binding

... DNA, if nothing is known about the binding preferences at all. Is there a standard that I might not be aware of? I thought that preparing nuclear extracts, performing IP against the protein (many antibodies are available) and checking DNA levels in the pull-downed material against negative (matrix ...

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by Balls
Tue Jan 22, 2013 9:03 am
 
Forum: Molecular Biology
Topic: nuclear DNA binding
Replies: 1
Views: 300

Help Me To Solve These Question In general biology

... have a same ancestor. 4. Organic food is healthier than the other types of food. B-Questions:Answer them in scientific way: 1- How effective are extracts of marigold and rosemary as mosquitoes repellents?

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by luluwa999
Tue Sep 25, 2012 4:32 am
 
Forum: General Discussion
Topic: Help Me To Solve These Question In general biology
Replies: 0
Views: 582

Idea to determine order of assembly of spliceosome

... 3. Extraction of pre-mRNA 4. Run agarose-gel where I can identify and roughly determine the size of my marked RNA 5. Add RNA to mammalian cell extracts, e.g. HeLa 6. While the RNA undergoes maturing, I collect samples with regular intervals of time 7. Use phenol to extract proteins from each ...

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by nukeman
Mon May 28, 2012 7:48 pm
 
Forum: Molecular Biology
Topic: Idea to determine order of assembly of spliceosome
Replies: 15
Views: 3265

Theories - Origin of Life

... strong statement here, I'm defending an obvious possibility. And If you still demend the almighty “rigorous evidence”, I can only refer you to the extracts from the article I posted before again… http://www.newyorker.com/reporting/2010/12/13/101213fa_fact_lehrer?currentPage=all “...selective reporting ...

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by Nick7
Sat Mar 31, 2012 12:54 am
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 548
Views: 534463

Antimicrobial property of Jatropha podagrica

... the antimicrobial property of Jatropha podagrica. I have read some article regarding this plant. In the studies they used chloroform and methanol extracts. Are there other ways in which I can extract the "chemicals" of this plant that exhibits antimicrobial property aside from using ...

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by biomeeh
Fri Mar 23, 2012 4:11 am
 
Forum: Microbiology
Topic: Antimicrobial property of Jatropha podagrica
Replies: 1
Views: 587
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