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   Determination of Rutin in Black Tea Samples Using A Nanostructure Amplified Electroanalytical Sensor  
   
نویسنده Davarnia Bahareh ,Shahidi Ahmad ,Ghorbani-Hasansaraei Azade ,Karimi Fatemeh
منبع Advanced Journal Of Chemistry-Section A - 2020 - دوره : 3 - شماره : 6 - صفحه:760 -766
چکیده    Ag nanoparticle and 1buthyl3methyl imidazolium bromide (1b3mibr) carbon paste electrode(ag/np/1b3mibr/cpe) amplified sensor was fabricated for determination of rutin in this project. the electrooxidation of rutin occurs at a potential about 0.4 v at the surface of ag/np/1b3mibr/cpe and this value is less positive than the unmodified cpe. ph = 7.0 was selected as an optimize condition for all of electrochemical investigations in this work and for evaluating electrochemical parameters such as diffusion coefficient (5.0 × 106 cm2/s). at the optimized condition for rutin analysis, the differential pulse voltammetry (dpv) peak currents of rutin show a wide linear dynamic range from 0.05320 μm with a detection limit of 10 nm. finally, the ag/np/1b3mibr/cpe was used for determination of rutin in soy samples with good selectivity and high sensitivity.
کلیدواژه Rutin Analysis ,Ag Nanoparticles ,Electrochemical Food Sensor ,Modified Electrode
آدرس Islamic Azad University, Ayatollah Amoli Branch, Department Of Food Science And Technology, Iran, Islamic Azad University, Ayatollah Amoli Branch, Department Of Food Science And Technology, Iran, Islamic Azad University, Ayatollah Amoli Branch, Department Of Food Science And Technology, Iran, Quchan University Of Technology, Department Of Chemical Engineering, Laboratory Of Nanotechnology, Iran
پست الکترونیکی fatemeh.karimi@tdtu.edu.vn
 
     
   
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