Autoclave Pipet tips

Lely Chow lelyc at
Fri Sep 6 21:54:58 EST 1996

On 6 Sep 1996, martin LEACH wrote:

> I was taught (and we all use in our lab)
> 20mins 15psi 121C
> I do a double autoclave on products I want RNAse's good to be
> paranoid

Wait a minute, autoclaving doesn't make things RNase free, otherwise, why
bake glassware??  Autoclaving tips just makes them sterile so that RNases
present in bacteria don't contaminate solutions.  I thought tips already
come RNase free, just as eppendorf tubes do too.


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