Abstract：
:A novel poly (diallyldimethylammonium chloride) functionalized reduced graphene oxide (PDDA-RGO) nanocomposite modified electrode was fabricated, and applied for the electrochemical determination of quinoline yellow (QY). The formation of PDDA-RGO nanocomposite was confirmed by SEM, FTIR and Raman spectroscopy. The electrocatalytic activity of PDDA-RGO nanocomposite to the oxidation of QY was evaluated using cyclic voltammetry and differential pulse voltammetry. Under the optimal conditions, the proposed sensor exhibited excellent electrochemical performance towards detection of QY. The linear range is from 0.01 to 10 μM, and the detection limit is down to 0.002 μM (S/N=3). The proposed sensor also exhibited excellent anti-interference property, repeatability and stability. In addition, the proposed electrochemical sensor was successfully applied to determination of QY in soft drink.
journal_name
Food Chemjournal_title
Food chemistryauthors
Fu L,Zheng Y,Wang A,Cai W,Lin Hdoi
10.1016/j.foodchem.2015.02.032subject
Has Abstractpub_date
2015-08-15 00:00:00pages
127-32eissn
0308-8146issn
1873-7072pii
S0308-8146(15)00202-2journal_volume
181pub_type
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