A label-free mid-infrared photothermal (MIP) microscopy technique has achieved video-rate volumetric imaging of live cells. By combining wide-field MIP with diffraction tomography, researchers can reconstruct 3D refractive index distributions, enabling detailed chemical mapping of cellular structures without labels.
GLOBAL IMAGING BRIEF
Analysis: This advancement offers a powerful tool for biological research and drug discovery by providing non-invasive, high-speed 3D chemical imaging. It may influence future development of specialized optical sensors and computational imaging algorithms for life sciences applications.
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