n :  a nitrocellulose sheet that contains spots of immobilized macromolecules (as of DNA, RNA, or protein) or their fragments and that is used to identify specific components of the spots by applying a suitable molecular probe (as a complementary nucleic acid or a radiolabeled antibody) - see NORTHERN BLOT SOUTHERN BLOT WESTERN BLOT  blot vt 
 
 
 
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