Reply: DN Ligation

David Micklem drm21 at
Thu Mar 21 15:56:14 EST 1996

In article <DoMMJr.9q6 at>, pnh at (Paul N
Hengen) wrote:

>: Did you change the lamps of your UV-Transiluminator lately? New and 
>: stronger lamps might damage your DNA while cutting the slices out of 
>: the gel.
>Is it that the lamps change over time, becoming less strong, or is
>it that the newer lamps on the market are stronger? I'm curious
>why replacing the lamp would cause more damage to your DNA?

Well, its certainly not unheard of for some helpful soul to replace
long-wave bulbs with short-wave ones....


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