Chromatin Immunoprecipitation: Difference between revisions

Immunoprecipitation: fixed numbering
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10. Collect the crude nuclear prep by centrifuging at 2,000 rpm at 4°C for 5 minutes.
10. Collect the crude nuclear prep by centrifuging at 2,000 rpm at 4°C for 5 minutes.


11. Resuspend pellet to 1 ml with RIPA Buffer.
11. Resuspend pellet to 1 ml with RIPA Buffer (Do not vortex the tubes and try to avoid bubbles. Bubbles will cause popping and loss of samples during sonication).
[[Do not vortex the tubes and try to avoid bubbles. Bubbles will cause popping and loss of samples during sonication]]


12. Using the Sonics VibraCell Sonicator, sonicate each 1.0 ml ChIP sample on ice, in a cold room, at Power Output 5 watts 6 times for 30 seconds each  
12. Using the Sonics VibraCell Sonicator, sonicate each 1.0 ml ChIP sample on ice, in a cold room, at Power Output 5 watts 6 times for 30 seconds each