Abstract
We demonstrate the technique of multipoint viscosity measurements incorporating the accurate calibration of micron sized particles. We describe the use of a high-speed camera to measure the residual motion of particles trapped in holographic optical tweezers, enabling us to calculate the fluid viscosity at multiple points across the field-of-view of the microscope within a microfluidic system.
Original language | English |
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Pages (from-to) | 2059-2062 |
Number of pages | 4 |
Journal | Lab on a Chip |
Volume | 9 |
Issue number | 14 |
DOIs | |
Publication status | Published - 2009 |