How Optical Vortex Beams Enable Contactless Micromanipulation in Bioreactor Environments
光学涡旋光束如何实现在生物反应器环境中的非接触式微操作
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Optical vortex beams carry orbital angular momentum—encoded as helical wavefronts—that exerts torque on microscopic objects without physical contact or photothermal damage.
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In suspended-cell bioreactors, these beams rotate single CHO cells at controlled speeds (0.1–10 rpm) to homogenize nutrient exposure—mimicking physiological shear in vascular niches.
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