NewslettersMammary Cell News An Optimized Droplet Digital PCR Assay for HER2 Copy Number Variation in Breast Cancer Based on Multi-Reference Genes By Jamie Kang - May 2, 2025 0 5 To more accurately and objectively assess the HER2 amplification status of formalin fixed paraffin embedded samples, a droplet digital PCR assay based on multi-reference genes was developed. [Applied Biochemistry and Biotechnology] Abstract