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An inverted-embedded optical tweezers system combining a micropump was assembled. The escaping velocities and acting forces of particles and hemocytes could be measured. After experiments and calculations, the escaping velocity of a 6 mum bead was 0.20 mum/s and the trapping force was 0.012 pN when the power was 5 mW. The escaping velocity of a granulocyte was 0.80 mum/s and the trapping force was...
The IR laser was used to trap and manipulate particles and hemocytes in different medium, and the influence between the object and viscosity of medium can be measured. An "inverted-embedded optical tweezers system" that combined the laser and the inverted microscopy was installed, and it could observe and manipulate the objects simultaneously. The goal of this experiment is using the IR...
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