التفاصيل البيبلوغرافية
| العنوان: |
Au/TiO2 NANOTUBES FOR SELECTIVE DETECTION OF DOPAMINE. |
| المؤلفون: |
ARAVIND, S. S. JYOTHIRMAYEE1, SRINIVASAN, SATHISH KUMAR1, RAMAPRABHU, SUNDARA1 ramp@iitm.ac.in |
| المصدر: |
International Journal of Nanoscience. Aug-Oct2011, Vol. 10 Issue 4/5, p1185-1189. 5p. |
| مصطلحات موضوعية: |
*COLLOIDAL gold, *TITANIUM dioxide, *DOPAMINE, *CARBON electrodes, *CARBON nanotubes, *BIOSENSORS, *ELECTROCATALYSIS, *MICROFABRICATION |
| مستخلص: |
A novel biosensor for dopamine (DA) detection was fabricated using TiO2 nanotube and Au/TiO2 nanotube films on glassy carbon electrode (GCE). The Au/TiO2 nanotubes on electrode showed better electrocatalytic activity towards the detection of DA which was attributed to its excellent electron conductive network. The biosensor elicited sensitivity of 22 nA/μM with a linearity of detection localized in the concentration range from 5-120 μM with correlation coefficient of 0.99. The detection limit of DA for the Au/TiO2 nanotube biosensor was found to be ~3 μM (S/N = 3). In addition, the fabricated sensor showed good anti-interference capability towards biological compounds such as ascorbic acid and uric acid. In conclusion, Au/TiO2 nanotube biosensor exhibits excellent catalytic activity, selectivity and simplicity for the detection of dopamine. [ABSTRACT FROM AUTHOR] |
| قاعدة البيانات: |
Academic Search Index |
