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ZnO nanowire based chemical field effect transistors 라현욱, Rizwan Khan, 김진태, 강보라, 임연호*

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Theories and Applications of Chem. Eng., 2009, Vol. 15, No. 1 952

화학공학의 이론과 응용 제15권 제1호 2009년

ZnO nanowire based chemical field effect transistors 라현욱, Rizwan Khan, 김진태, 강보라, 임연호

*

전북대학교

(yeonhoim@chonbuk.ac.kr*)

Zinc oxide (ZnO) nanowires have attracted considerable research attention on account of their superior properties, such as large piezoelectric constant, wide band gap energy (3.37 eV), large exciton binding energy (60 meV), and high thermal and mechanical stability. Although ZnO nanowires are one of the promising candidates for various applications, few studies have reported the biosensing applications. In this work, we investigated the use of plasma polymerization for the immobilization of biomolecules on ZnO nanowires. The biomolecule functionalized ZnO nanowires were investigated using fluorescence microscopy and chemical field effect transistor. In addition, we detected the extremely small quantities of anaplasma phagocytophilum (etiological agent of human granulocytic ehrlichiosis) using functionalized ZnO nanowire.

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