Boster Bio Anti-Cytokeratin 19 KRT19 Antibody Picoband® (monoclonal, 3D4) catalog # M02101-2. Tested in IF, IHC, WB applications. This antibody reacts with Human. The brand Picoband indicates this is a premium antibody that guarantees superior quality, high affinity, and strong signals with minimal background in Western blot applications. Only our best-performing antibodies are designated as Picoband, ensuring unmatched performance.