Dong Zhengping, Yang Bin, Jin Jun, Li Jing, Kang Hongwei, Zhong Xing, Li Rong, Ma Jiantai
College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, 730000 People's Republic of China.
Nanoscale Res Lett. 2009 Jan 21;4(4):335-340. doi: 10.1007/s11671-008-9248-8.
Carbon nanotubes (CNTs) were covalently modified by fluorescence ligand (glycine-N-8-quinolylamide) and formed a hybrid material which could be used as a selective probe for metal ions detection. The anchoring to the surface of the CNTs was carried out by the reaction between the precursor and the carboxyl groups available on the surface of the support. Fourier transform infrared spectroscopy (FTIR) and Thermogravimetric analysis (TGA) unambiguously proved the existence of covalent bonds between CNTs and functional ligands. Fluorescence characterization shows that the obtained organic-inorganic hybrid composite is highly selective and sensitive (0.2 muM) to Zn(II) detection.
碳纳米管（CNTs）通过荧光配体（甘氨酸 - N - 8 - 喹啉酰胺）进行共价修饰，形成了一种可作为金属离子检测选择性探针的杂化材料。通过前体与载体表面可用的羧基之间的反应，将其锚定在碳纳米管表面。傅里叶变换红外光谱（FTIR）和热重分析（TGA）明确证明了碳纳米管与功能配体之间存在共价键。荧光表征表明，所获得的有机 - 无机杂化复合材料对锌（II）检测具有高度选择性和灵敏性（0.2 μM）。
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