needle pullers

ARTHUR WOHLWILL U55850 at uicvm.uic.edu
Tue Jul 12 16:41:08 EST 1994


 We have recently purchased a new needle puller (David Kopf model 720) and have
 had problems getting good needles for transformation.  The needles we are get-
 ting are flismy and do not give good DNA flow perhaps due to poor tips.  Any
 help from someone experience with this model would be appreciated.  Thank you
 very much,  Arthur Wohlwill





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