Spin columns - revisited

[Ed Rybicki]

> We are looking for recipies for making one's own spin columns.  ANY recipies
> would be appreciated.  We need to spin our DNA after Taq cycle sequencing
> for the autosequencer to remove all the dye-terminators.  Normally, we use
> the BMB G-50's but we need to streamline the "cost of materials" use and
> the spin columns are one place to do that.

0.5 ml Sephadex G-50, preswollen in appropriate buffer, in a small
Eppendorf-type vial with hole in bottom, plugged with glass wool.  Spin in
variable speed centrifuge, not faster than a couple x 10exp3 rpm, inside
larger Eppi with lid cut off.  Work every time.

  ____________________________________________________________________
 | Ed Rybicki, PhD             |       "Lord, won't you buy me        |
 | (ed at micro.uct.ac.za)        |                                      |
 | Dept Microbiology           |         A Mer-ce-des Benz..."        |
 | University of Cape Town     |                                      |
 | Private Bag, Rondebosch     |                                      |
 | 7700, South Africa          |           - Janis Joplin             |
 | fax: 27-21-650 4023         |                                      |
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