Covalent Drug Binding in Live Cells Monitored by Mid-Infrared Quantum Cascade Laser Spectroscopy: Photoactive Yellow Protein as a Model System - Srijit Mukherjee; Steven D. E. Fried; Nathalie Y. Hong; Nahal Bagheri; Jacek Kozuch; Irimpan I. Mathews; Jacob M. Kirsh; Steven G. Boxer (Journal of the American Chemical Society, 2025)