[Q] DNA elution from agarose gel
hroychow at NMSU.EDU
Tue Mar 25 17:14:12 EST 1997
At 12:50 AM 3/26/97 +0900, Kim, Cheon wrote:
>I've read the article about a protocol using a sirynge
>for DNA elution from agarose gel. The article (Jun 1996,
>bionet - methods & reagents)is below.
>I have a question. Where is the step to remove EtBr?
>Is there anyone who knows the way to remove EtBr after
>syringe filtration or other efficient DNA purification methods?
>Thanks in advance...
Extract the eluted DNA with equal vol. of *TE- or water-saturated* n-butanol a few times and the EtBr will be removed in the alcohol. Alternatively, extracting with chloroform-isoamyl alcohol (CI) also works perfectly.
Dr. Hiranya Sankar Roychowdhury
Plant Genetic Engineering Lab.
New Mexico State University
Las Cruces, NM 88003
Ph. (505) 646-5785
hroychow at nmsu.edu
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