Gel Solubilization Buffer Composition

Kyle Legate via (by legatekBLAH from
Sun Jan 10 07:33:55 EST 2010

Jagadish Katam wrote:
> Hi,
> I am working on purifying the DNA by gel extraction procedure and are using the commercially available kits for this purpose. A yellow color gel solubilization buffer is used to dissolve the sliced gel. 
> Here i would know the composition of this gel solubilization buffer. 
> Any suggestions will be greatly appreciated. 
If it's yellow, it's most certainly NaI. Here's the solution I have used 
in the past:

90.8 g NaI and 1.5 gm Na2SO3 in 100 ml of water. Filter through 0.45 um 
filter and add another 0.5 g Na2SO3. Store in the coldroom in a dark bottle.

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