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Microfluidic applications targeting drug delivery often encompass fabrication of microscale devices with precise features. The choice of fabrication technique should also be batch manufacturable to keep the devices cost low. In this regard, conventional UV photolithography (UVL) has its limitations due to diffraction losses, tapering cross sectional profile and nonremoval of uncrosslinked photoresist...
During the last two decades, there has been an upsurge in exploring the materials and fabrication techniques for microneedles, which promise almost painless penetration in skin. In such a scenario, it is extremely important to understand the mechanics governing the microneedles' penetration into skin alongwith a sound understanding of the flow mechanics governing the microdimensional channels of needles...
A recent trend in biosensors and biomedical devices is the fabrication of compact, high aspect ratio and free-standing biocompatible structures with application as force sensors, microneedle-based drug delivery systems, array of chemical sensors, etc. SU-8 photoresist is a promising candidate to fulfill such structure. Poly(Dimethylsiloxane) has been used as the sacrificial layer to successfully release...
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