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About

Paul Piehowski is a leading figure in the development of ultra-sensitive proteomics, specializing in technologies that enable deep protein profiling from minute biological samples. His major contributions center on overcoming the sensitivity limitations of mass spectrometry (MS)-based proteomics, particularly for spatially resolved and single-cell analyses. He pioneered an integrated, automated method for spatially resolved proteome mapping of laser capture microdissected tissue, using nanodroplet sample processing to achieve high spatial resolution—a landmark work that has garnered over 140 citations. Piehowski also advanced a benchtop-compatible workflow capable of profiling proteomes from fewer than 100 mammalian cells, and extended this to single-cell proteome mapping of tissue heterogeneity using microfluidic nanodroplet technology. His innovations have made it possible to quantify thousands of proteins from individual cells, directly addressing the challenge of understanding cellular diversity in complex tissues. With foundational papers accumulating over 200 citations, Piehowski’s work is instrumental in pushing the boundaries of what is achievable in ultrasensitive proteomics, offering powerful tools for biomedical research into disease heterogeneity and cellular function.