کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
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5435141 | 1509145 | 2017 | 7 صفحه PDF | دانلود رایگان |

The sensitive interaction between Ru(bpy)32 + and methadone was used for the modification of a solid-state electrochemiluminescence electrode, and it was also successfully applied to determine methadone in the samples. The working electrode was made of a Yb2O3 â containing modified carbon paste electrode. The presence of Yb2O3 nanoparticles in the structure of the electrode, was found to enhance its sensitizing effect towards the Ru(bpy)32 +-methadone electrochemiluminescence system. The electrodes with the optimal make-up revealed a linear ECL-concentration behavior from 5 Ã 10â 9-3 Ã 10â 7 M and reached method detection limit as low as 2.1 Ã 10â 10 M with a relative standard deviation of 4.4% (S/N = 3). This modified ECL could present a simple yet sensitive and selective route for the determination of methadone in different samples.
Journal: Materials Science and Engineering: C - Volume 76, 1 July 2017, Pages 483-489