Cedarlane offer Mouse, Rat and Rabbit Sera. All sera can be used for blocking in immunohistochemistry, as control sera or as additives in diluting buffers. Frozen non-sterile products are filtered to 0.45%uFFFDm; sterile products are filtered to 0.22%uFFFDm. Each serum is selected for low haemolysis. Liquid formats contain 0.1% sodium azide.