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Spatiotemporally Super-Resolved Volumetric Traction Force Microscopy

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posted on 14.06.2019, 00:00 by Huw Colin-York, Yousef Javanmardi, Liliana Barbieri, Di Li, Kseniya Korobchevskaya, Yuting Guo, Chloe Hall, Aaron Taylor, Satya Khuon, Graham K. Sheridan, Teng-Leong Chew, Dong Li, Emad Moeendarbary, Marco Fritzsche
Quantification of mechanical forces is a major challenge across biomedical sciences. Yet such measurements are essential to understanding the role of biomechanics in cell regulation and function. Traction force microscopy remains the most broadly applied force probing technology but typically restricts itself to single-plane two-dimensional quantifications with limited spatiotemporal resolution. Here, we introduce an enhanced force measurement technique combining 3D super-resolution fluorescence structural illumination microscopy and traction force microscopy (3D-SIM-TFM) offering increased spatiotemporal resolution, opening-up unprecedented insights into physiological three-dimensional force production in living cells.

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