Formalin-Fixed Paraffin-Embedded (FFPE): A standard tissue preservation process used in pathology, involving fixation in formalin and embedding in paraffin wax, which can lead to DNA fragmentation ...

They have found that qPCR is a significantly more effective and sensitive method than immunohistochemistry in detecting SARS-CoV-2 in both cytology and formalin-fixed paraffin-embedded tissue samples.

Methods: We evaluated the RecQ1 A159C variant (rs13035) in patients with resected pancreatic cancer who were enrolled on the RTOG 9704 trial of 5FU-based chemoradiation preceded and followed by 5-FU ...