Yttria-Modified Titania-CNTs Composite as an Electrochemical Biosensor for Lysine

被引：0
|
作者：
Hussain, Syed Tajammul [1 ]
Abbas, Syed Mustansar [1 ]
Bangash, Massod Ahmad Khan [2 ]
Rehman, Muneeb Ur [2 ]
Ahmad, Nisar [1 ]
机构：
[1] Quaid I Azam Univ, Natl Ctr Phys, Nano Sci & Catalysis Div, Islamabad, Pakistan
[2] Kohat Univ Sci & Technol, Kohat, Pakistan
来源：
JOURNAL OF THE CHEMICAL SOCIETY OF PAKISTAN | 2013年 / 35卷 / 03期
关键词：
Carbon nanotubes; Amino group; cyclic voltammetry; Sensors; Yttrium; CARBON NANOTUBES; TIO2; OXIDASE; ELECTRODES; SAMPLES; ARRAY;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A composite of carbon nanotubes with yttrium modified titania particles (Y/TiO2-CNT) is synthesized and characterized using X-ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X-ray (EDX) and Fourier transform infrared spectroscopy (FTIR). The electrochemical behavior of amino group (Lysine) is investigated by cyclic voltammetery (CV). The response mechanism of the synthesized biosensor is proposed to be the combination of electrostatic and electrical interactions of CNTs with amino group. Excellent sensitivity, repeatability, stability, selectivity and recovery for the potentiometric determination of Lysine in the range of 5mM to 25mM concentrations are obtained.
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页码：604 / 610
页数：7
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