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When a film bulk acoustic resonator (FBAR) is coupled to a thin liquid layer, the quality factor (Q) of the resonator varies in a damped oscillatory pattern versus the liquid thickness. This paper reports this behavior with an analytical modeling and experimental demonstration of it. The thin liquid layer with thickness comparable to the acoustic wavelength is realized by integrating a microfluidic...
Managing data with distance-based indexing methods has the potential to provide scalability and integration with relational database management systems and the SQL programming model. We previously demonstrated the advantages of such an approach for nucleotide sequences using Hamming distance (mismatch). However, the larger alphabet size of peptide sequences increases the dimensionality of the problem,...
Microfluidic droplet systems have shown great promise in high throughput chemical assays to minimize chemical consumption and increase process efficiency. We report a droplet system that forms nanovolume drops under static conditions. The programmability of drop sizes is determined by geometric configurations and surface tension, and not particularly sensitive to flow rates. The geometry of the device...
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