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    Please use this identifier to cite or link to this item: http://ir.cnu.edu.tw/handle/310902800/26954

    標題: Carbon-nanotube-based Artificial Peptide Channel: Transportation of Small Peptide Under External Electric Field Force
    作者: Wang, Yeng-Tseng
    Lee, Wen-Jay
    Su, Zhi-Yuan
    Chen, Cheng-Lung
    貢獻者: 資訊管理系
    關鍵字: Carbon nanotubes
    Molecular dynamics
    Mastoparan-X peptide
    日期: 2011-09
    上傳時間: 2013-09-28 16:25:33 (UTC+8)
    出版者: Elsevier
    摘要: Transport of molecules through macromolecular pores is of considerable importance in many biological systems and nanoscale biosensors. In recent years, engineered carbon nanotubes (CNTs) have been developed to function as protein toxin transporters. We present molecular dynamics simulation of the small mastoparan-X peptide transporting through the single-walled CNT (SWCNT) under application of an external electric field force. The molecules studied include a small mastoparan-X peptide, a finite segment of carbon nanotube, and TIP3 water molecules. The external electric field vectors are 1.0, 2.0, 3.0, 4.0, and 10.0 kcal/(mol Å e), respectively. We show that under the external electric field vector of 1.0 kcal/(mol Å e), the transportation of mastoparan-X peptide through SWCNT was accomplished within 12 ns. Our results also show more external electric field vectors would speed up the transportation process.
    關聯: Journal of the Taiwan Institute of Chemical Engineers 42(5), pp.724-726
    Appears in Collections:[資訊管理系] 期刊論文

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