Re: DRAQ5 staining of bacterial cells *Industry input*

Roy Edward wrote, among other things:

>Dear Dongjua
>
>snip-snip-snip......
>  
>
>However, I should add that the labeling of DRAQ5 as "toxic" relates to
>our responsible attitude to labeling the hazard to the user; we follow
>the benchmark guidelines of ANSI. This is not a standard adhered to by
>all... ethidium bromide, etc would also fall into the category of
>"toxic". 
>
>  snip-snip-snip......
>
>Very best regards
>Roy Edward
>Biostatus Ltd.
>  
>
We take extra precautions when handling DRAQ5 because, unlike ethidium 
bromide and propidium iodide, DRAQ5 is cell permeant and thus more 
readily absorbed through the skin and possibly through latex gloves.

regards, TomD