Seonhee Park

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Many bioactive molecules have intracellular targets, but have difficulty crossing the cell membrane to reach those targets. To address this difficulty, we fabricated arrays of nanoneedles to gently and simultaneously puncture 10(5) cells and thereby provide transient pathways for transport of molecules into the cells. The nanoneedles were microfabricated by(More)
We investigated the structural and optical properties of the ZnO thin films formed by oxidation of Zn thin films. Zn thin films were deposited by thermal evaporation and were then annealed from 300 to 800 degrees C to prepare ZnO thin films. We found that ZnO thin films were formed by thermal oxidation of Zn thin films at oxidation temperatures over 400(More)
A new urban development in the area north of the Han river raises many complex questions. How much living space will be provided for residents? What will happen to the current residents of the area? How does the new development fit into the national housing plan? Who will profit from the development? The residents? The politicians? The real estate(More)
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