Gonzalo Cosa

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About

Gonzalo Cosa is a leading figure in biophysical chemistry and single-molecule fluorescence, renowned for his pioneering work on lipid membrane dynamics, DNA nanostructures, and reactive oxygen species (ROS) detection. His research bridges fundamental molecular biophysics and applied nanoscience, with major contributions to understanding how lipid peroxidation and membrane damage occur at the nanoscale—work that has garnered over 10,000 citations. Cosa’s lab developed innovative single-molecule fluorescence imaging techniques to visualize the real-time behavior of membrane-bound enzymes and antioxidants, providing unprecedented insight into cellular oxidative stress. Notably, his recent work on heat-activated growth of metastable DNA fibers (2024, 15 citations) expands traditional polymer assembly, showcasing his versatility in designing dynamic biomolecular materials. Cosa is also recognized for his contributions to the design of fluorescent probes for ROS and reactive nitrogen species, tools widely adopted in cell biology. A professor at McGill University, he has received multiple awards, including the Canadian Society for Chemistry’s Keith Laidler Award, and is a Fellow of the Royal Society of Chemistry. His research continues to inspire students and researchers exploring the intersection of molecular imaging, nanotechnology, and cellular physiology.