🧬 biology
Surface scanning with oscillating, optically trapped probes
This paper introduces a photonic force microscopy method that utilizes an oscillating, optically trapped nanoparticle to scan surfaces with minimal contact forces (100 fN), achieving nanometre-precision 3D height profiling and sub-diffraction resolution on biological structures like macrophage filopodia.
Original paper licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). This is an AI-generated explanation of a preprint that has not been peer-reviewed. It is not medical advice. Do not make health decisions based on this content. Read full disclaimer
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