b16d28c9__ChIP_Help___Novus_Biologicals__Issue
[Phase] Chromatin Shearing [Recommendations] Use 1.7 ml microcentrifuge tubes with no more than 400 μl of sample. Keep sonicator tip very close to the bottom of the tube. [Issue] 
Foaming
Chromatin Immunoprecipitation Troubleshooting: ChIP Help | Novus Biologicals
Issue