competant cells from Promega

D.D. Morgan D.D.Morgan at ncl.ac.uk
Wed Jun 14 11:24:57 EST 2000


Has anybody had problems with JM109 competant cells from Promega (L2001) ? 

In my hands batch no. 1154771 is pretty incompetant.

TIA

Dave M
--

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* Dave Morgan             | **.           .***.   .***.           .***.   .** *
* Dept of Human Genetics  | | | *       * | | | * | | | *       * | | | * | | *
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* NE2 4AA                 |                                                   *
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