Living cell culture provides convenient and standard biotechnology chosen option in the laboratory. However, current imaging methods could not present real 3D models. Therefore, we have developed a compact, high-speed spectral-domain optical coherence microscopy (SD-OCM) system to observe the interaction of the tumor cell spheroid with gold nanoparticles. Volumetric OCM images of the cell spheroid were acquired using an in-house C++ interface and used a low-cost microcontroller for triggering to synchronize the galvanometer mirror to the detector array. We designed a hermetic chamber on the microscope stage to control temperature, humidity, CO2 concentration in the experiment.
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