immunoblot, immunoblotting
/ʹɪmjʊnəʊblɒt, ɪʹmju:nəʊ-, ͵ɪmjʊnəʊʹblɒtɪŋ, ɪ͵mju:nəʊ-/

(აგრ. protein immunoblot) = Western blot.