Check if an antibody is internalized - (Oct/04/2013 )

I want to check if an specific antibody is internalized into the prostate cell line through its specific antigen., I need to help provide me with the reliable and acceptable method with scientific justification.,

my lab has core facility including IF, Western blot, Eliza

Thankful for all help

Nejadmoghaddam

Is standard immunofluorescence not enough?