Unexpected antibody test
Saline method of antibodies testing Method: 1. Put 2 drops oftest serum in a labeled tube 2. Add 1 drop of 2-4% suspension of appropriate red cells in Saline and mix 3. Incubate at R.T for 30-45 min. In urgent cases centrifuge the tubes at 1000 rpm for 1 min after 5-10 min. incubation at room temperature (spin method) 4. Observe the supernatant fluid for the presence of haemolysis 5. Gently disperse the cell button and check for agglutination against a well lighted background Albumin method of antibodies testing Method: 1. Add 2 drops oftest serum to a labeled tube 2. Add one drop of 2-4% suspension of appropriate RBC in Saline 3. Add two drops of bovine albumin 22% 4. Mix and incubate at 37°C for 30-60 minutes 5. Centrifuge at1000 rpm for 1 minutes 6. ...