Hello... I believe H2O2 + H2SO4 mixture will serve like Piranha (3:1) and completely remove pdms from surface. Using this solution in 1:3 ratio will totally remove pdms. yusuf On Wed, Sep 24, 2008 at 7:56 PM, DEBASHIS MAJIwrote: > Hi all, > > Is it advisable to treat the surface of PDMS with H2O2 + H2SO4 (1:1) to > utilise the nascent O2 for changing its surface from hydrophobic to > hydrophilic? I am getting some problem with this procedure. Possibly some > surface reaction is taking place. > > Please give some suggestions. > > Thanks in advance, > Debashis Maji. -- Mohd.Yusuf.S.Mulla Student-FH Jena, Germany. Currently at :- Leuven, Belgium