Immuno Protein Blocking Solution with Donkey Serum (500 ml)

The serum used to make this blocking solution is obtained from pools of healthy adult animals. The serum is heat inactivated at 56ºC for 60 minutes and dilpidated and filtered. The serum is tested with appropriate biotinylated antibody for cross-reactivity.
Immuno protein blocking solutions is ready to use and do not contain azide or phosphate buffers.