The use of the antiglobulin ‘gel‐test’ for antibody detection

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Abstract
Four antibodies used routinely in-house for the assessment of antiglobulin reagents (anti-Fyb, anti-Jka, anti-S) were tested in parallel using tube and antiglobulin 'gel-test' low ionic strength antiglobulin techniques. In the latter the red cells are centrifuged following incubation through a dextran matrix incorporating an anti-human globulin reagent. The results show that the antiglobulin 'gel-test' was less sensitive than the tube technique in the detection of these difficult antibodies.