Clone 104 targets a distinct epitope on CEA, enabling precise, high‑specificity detection in immunoassays. Its strong affinity supports ELISA, Western blotting, and tissue‑based applications, making it valuable for oncology research, tumor profiling, and diagnostic assay development. MCEA‑80A‑104 provides clean, reproducible signal across serum, cell lysates, and purified antigen preparations, ensuring dependable performance in biomarker studies and assay validation workflows