Wax beads

[G Shafer]

In article <3lcibn$bv4 at news.acns.nwu.edu>, jkh141 at nwu.edu wrote:

> Does anyone sell cheap wax beads for hot-starting PCR?  I
> tried Histo embedding wax beads, but I had to chop them up with 
> a razor blade and wasn't keen on this potential source of 
> contamination. 
> 
> Jody K. Hirsh
> Northwestern University, Chicago, IL.   USA
> jkh141 at nwu.edu

I haven't tried it, but you might check out the following:
R.M.Horton, B.L.Hoppe, B.M.Tronconi(1994)BioTechniques vol 16, 42-43
"Ampligrease:'Hot Start" PCR using petroleum jelly"