Application of 2D IR Bioimaging: Hyperspectral Images of Formalin-Fixed Pancreatic Tissues and Observation of Slow Protein Degradation. - Dicke SS; Alperstein AM; Schueler KL; Stapleton DS; Simonett SP; Fields CR; Chalyavi F; Keller MP; Attie AD; Zanni MT (The journal of physical chemistry. B, 2021)