Storage of dry DNA? Any experience?

Robert Hartley rh at
Thu Mar 11 16:01:10 EST 1999

In article <rh-1103991759200001 at>,
rh at (Robert Hartley) wrote:

> In article <36e7ff7e.27317058 at news>, alejaconeja at (alexandra
> hiller) wrote:

> Come to think of it why not have your samples in a thermos filled with
> dry-ice or with a little liquid nitrogen at the bottom.

I think I should retract this bit of advice. A chap more awake than myself
has pointed out the consequences better that I could have. :-)
 Here is a section of the mail. 

He wrote:-
>Wow! CARE. I dont like the idea of recommending placing liquid gases, 
>such as nitrogen, into potentially sealable containers, such as 
>thermos flasks. The results are explosive and can be potentially 
>lethal, and often disabilitating.  I realise that you are 
>inevitably aware of this, but not all readers will be so you must 
>therefore point out with such postings that the thermos lid must not 
>be screwed on tight, or only after drilling a small vent hole.
>NEVER put liquid gases such as N2 into sealed non-pressure resistant 
>containers is all i have to say, apart from including that a thermos 
>flask falls into this category

Sorry folks. 
I replied to him with thanks and this explanation:-

Yep, true i'll post to let them know.OOOPS (been a long day. workmen on
the roof therefore only in the hood before 9am and after 5pm.
It must be getting to my common sense. :-)
 As you may have guessed it was an afterthought.


Robert Hartley BSc(Hons)                                    
Centre for Cell Engineering,                        
IBLS Division of Infection & Immunity,           
Joseph Black Building,                                
University of Glasgow,                                  
G12 8QQ                                               
E-Mail rh at                             
Tel: +44 (0)141 3398855 Ext 2074                      
Fax: +44 (0) 141 330 3730   

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