Brownian Dynamics of a Sphere Between Parallel Walls

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Original Entry by Tom Dimiduk, AP225 Fall 2010

| Brownian Dynamics of a Sphere Between Parallel Walls

Soft matter Keywords

Brownian Motion, Surface


File:Microscope setup.svg
Figure 3: "Video microscopy setup used to make these measurements. B) shows that their sample was a 2cm x 1 cm cover slip on a glass slide. It was anchored with an 8 micron gap above the slide using norland optical adhesive. Glass capillaries at either end allow flow through the cell. A) Shows the slide as imaged in an inverted microscope.

To the right is a diagram showing my best interpretation of the apparatus the authors used to make high resolution measurements of the brownian motion of a sphere confined along one dimension by two glass planes 8 microns apart.