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Micro electroporation (EP) devices with high efficiency and cell viability are useful for various biomedical applications, such as drug delivery and screening. However, these devices usually have low reliability due to undesirable electrochemical reactions. In this study, an Aluminum Nano-Spike EP (ANS-EP) chip was fabricated using nano-imprint lithography, electrochemical anodization and MEMS technology...
We report on the growth of ZnO nanowires using two distinctive methods; sonochemistry and hydrothermal growth. The dimensions of the nanowires were varied by changing the concentration of the solution, growth time and volume of the solution. During growth by sonification, we were also able to alter the power supplied to the solution and the dimensions of the sonicator tip. The nanowires produced were...
Hybrid photovoltaic (HPV) cells were developed onto a flexible microlens array (MLA) in order to improve their efficiencies. The active layer of the developed HPVs was composed of blend of organic PV materials and heavy metal-free CuInS2 quantum dots. The polymer MLA, which was replicated from isotropically etched quartz, was employed for a flexible substrate simultaneously dispersing the incident...
Vascularization for sufficient supplies of oxygen/nutrients and removal of waste in thicker tissue is one of the major challenges in tissue engineering. Here, we used three-dimensional bio-printing technology to engineer a vascular structure within hydrogel scaffold. Through layer-by-layer approach, we seeded endothelial cells in tubular form, which is embedded within three-dimensional collagen scaffold...
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