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Converting Vertical Vibration of a Texture Ratchet into Horizontal Drop Motion
A texture ratchet is an anisotropic, periodic, microstructured surface that propels drops when vibrated with a sinusoidal signal at certain frequencies and amplitudes. For each input frequency near the resonant frequency of a drop, there is a threshold amplitude beyond which the drop starts to move. In this thesis, we study ...
Porous membranes for interfacing microfluidics with cell cultures
The sensing of chemical gradients plays an important role in the guidance of cells for tissue development, migration of cells in the immune system, and human disease. We have developed a microfluidic transwell insert for generating concentration gradients in a user-friendly and modular format that is compatible with conventional ...