Jouni Hirvonen

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About

Jouni Hirvonen is a leading figure in pharmaceutical biophysics and drug delivery, whose research has fundamentally advanced our understanding of how drugs permeate biological barriers. His key contributions lie at the intersection of cellular drug screening, intestinal permeability, and nanomedicine, with a particular focus on the Caco-2 cell model for predicting oral drug absorption. Hirvonen's work on automating cellular assays—exemplified by his feasibility evaluation of three automated drug screening assays on a robotic workstation, including the Caspase-Glo® 3/7 and sulforhodamine B (SRB) assays alongside the mechanistic Caco-2 permeability protocol—has been instrumental in bridging high-throughput screening with physiologically relevant models. This study, while accumulating over 10 citations, represents a cornerstone in his broader effort to standardize and automate drug permeability testing. Beyond this, Hirvonen has made seminal contributions to nanoparticle-based drug delivery, particularly for mucosal and ocular routes, and has been recognized with numerous awards for his innovative research. With a career spanning hundreds of publications and thousands of citations, his work continues to shape both academic research and pharmaceutical development, offering students and researchers a robust framework for studying drug transport and formulation.