DMSO some additional comments/clarifications....

[George Sigal]

In article <2dltqe$js1 at unix1.circ.gwu.edu> wilesm at unix1.circ.gwu.edu (Marc Wiles) writes:
>...  Also, it should be noted that in experimental settings,
>DMSO is actually used *because* of it's ability to transform cells ...

I think that instead of DMSO (dimethylsulfoxide) youy may be referring to 
dimethylsulfate.  Dimethylsulfate is a strong alkylating agent which can
methylate DNA.  For this reason it is often used as a mutagen.