Flow cytometry can be utilized to assess the state of chromatin within T cells. This protocol allows scientists to interpret evidence of chromatin decondensation during T cell activation demonstrated by an increase in the mean florescence intensity (MFI) of fluorescent Histone H3 antibodies
Bingham, K. N., Lee, M. D., Rawlings, J. S. The Use of Flow Cytometry to Assess the State of Chromatin in T Cells. J. Vis. Exp. (106), e53533, doi:10.3791/53533 (2015).