کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
7642692 | 1494876 | 2015 | 6 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
New electrochemical method for the determination of β-carboline alkaloids, harmalol and harmine, in human urine samples and in Banisteriopsis caapi
دانلود مقاله + سفارش ترجمه
دانلود مقاله ISI انگلیسی
رایگان برای ایرانیان
کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی آنالیزی یا شیمی تجزیه
پیش نمایش صفحه اول مقاله
چکیده انگلیسی
In this paper a new electrochemical method for determination of the β-carboline alkaloids, harmalol and harmine, using differential pulse voltammetry is presented. Experimental parameters such as pH, scan rate, pulse amplitude and pulse time were optimized to characterize their electrochemical behavior and to find best analytical conditions. Thus, in the presence of ascorbic acid, uric acid, dopamine, the developed method exhibits excellent performance for the determination of harmalol and harmine for a linear concentration range between 1-50 μM and 1-75 μM with a detection limit of 0.6 μM and 0.2 μM, respectively. The proposed method was successfully applied for the determination of these alkaloids in a sample of an Ayahuasca liana (Banisteriopsis caapi) and in model human urine samples with good recoveries.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Microchemical Journal - Volume 118, January 2015, Pages 95-100
Journal: Microchemical Journal - Volume 118, January 2015, Pages 95-100
نویسندگان
Dalibor StankoviÄ, Eda Mehmeti, Lubomir Svorc, Kurt Kalcher,