Jelle
____________________________________________________
Jelle Lahnstein
Nucleic acid and Protein Chemistry Unit
Department of Plant Science
Waite Campus, University of Adelaide
Glen Osmond, 5064, Australia
Tel : 61 - 8 - 83037260
Fax : 61 - 8 - 83037130
Internet : http://www.waite.adelaide.edu.au/NAPCU/
On Thu, 22 Jan 1998, Ken Mitchelhill wrote:
> Dear ABRF Colleagues,
>
> I am curious to hear how various labs approach the storage of Iodoacetamide
> or Iodoacetic acid?
>
> In the past, we have been careful to purge bottles of these compounds with
> inert gasses each time we use them and store them in the dark at
> refigerator or freezer temperatures. We still however only get a pretty
> short lifetime out of each container before it starts turning yellow. I am
> loath to use either of these compounds after they show this yellow
> decomposition color because I have been told that this represents free
> Iodine which can result in undesired oxidations or iodinations.
>
> Am I being too cautious in this regard or can any of you recommend a better
> way of handling these compounds?
>
> Ken
>
> ********************************
>
> Ken I. Mitchelhill
> The John Holt Protein Structure Laboratory
> St. Vincent's Institute of Medical Research
> 41 Victoria Parade
> Fitzroy 3065 Victoria
> AUSTRALIA
>
> Telephone: 61-3-9288 2480
> Facsimile: 61-3-9416 2676
>
> Email: k.mitchelhill@medicine.unimelb.edu.au
>
> Laboratory: http://www.medstv.unimelb.edu.au/WWWDOCS/SVIMRdocs/JHPSL.html
> ABRF: http://www.medstv.unimelb.edu.au/abrf.html
>
> ***********************************
>
>
>