In normal plasmid isolation kits The columns always get exhausted way before solutions. So if any company provides only column, kindly let me know
Qiagen sell columns without buffer.
Yes Qiagen sells these columns. See the following link.
http://www.qiagen.com/au/products/catalog/sample-technologies/dna-sample-technologies/plasmid-dna/qiaprep-spin-miniprep-columns/
Epoch Life Sciences also sell them, and they are very reasonably priced.
http://www.epochlifescience.com/Product/SpinColumn/minispin.aspx
thanks guys. Will enquire them . Will post the price in case anyone interested.
Got it from Qaigen. Its 6400 INR
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