Author: Tursynbolat, Satar; Bakytkarim, Yrysgul; Huang, Jianzhi; Wang, Lishi
Title: Highly sensitive simultaneous electrochemical determination of myricetin and rutin via solid phase extraction on a ternary Pt@r-GO@MWCNTs nanocomposite Document date: 2019_3_22
ID: 00n9xho8_26
Snippet: In summary, we successfully manufactured a novel electrochemical sensor based on a ternary Pt@r-GO@MWCNTs nanocomposite. The nanocomposite sensor exhibited improved detection sensitivity due to the superior pre-concentration ability of the nanocomposite for myricetin and rutin. Under the optimized conditions, the oxidation peak currents of myricetin were proportional to its concentration with linearity ranging from 0.05 to 50 mM and a detection l.....
Document: In summary, we successfully manufactured a novel electrochemical sensor based on a ternary Pt@r-GO@MWCNTs nanocomposite. The nanocomposite sensor exhibited improved detection sensitivity due to the superior pre-concentration ability of the nanocomposite for myricetin and rutin. Under the optimized conditions, the oxidation peak currents of myricetin were proportional to its concentration with linearity ranging from 0.05 to 50 mM and a detection limit of 0.01 mM (S/N ¼ 3). For rutin the linear range was from 0.05 to 50 mM with a detection limit of 0.005 mM (S/ N ¼ 3). The sensor also exhibited good reproducibility and stability, and was successfully used for the simultaneous determination of myricetin and rutin in real orange juice samples providing satisfactory results.
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