Carbon Paste Modified with Poly-Melamine and Gold Nanoparticles for Selective Determination of Hydroquinone in Presence of Arbutin
文献类型： 会议论文
第一作者： Denok Risky Ayu Paramita
作者： Denok Risky Ayu Paramita 1 ; Bernadeta Ayu Widyaningrum 2 ; Ismail Budiman 2 ; Sukma Surya Kusuma 2 ; Satya Candra Wibawa Sakti 3 ; Muji Harsini 3 ;
作者机构： 1.Jember Pharmacy Academy, Jalan Pangandaran 42, Antirogo, Sumbersari, East Java 68125, Indonesia
2.Research Center for Biomaterial, Indonesian Institute of Sciences (LIPI), Jalan Raya Bogor Km 46, Cibinong, West Java 16911, Indonesia
3.Department of Chemistry, Universitas Airlangga, Kampus C Mulyorejo, Surabaya, East Java 60111, Indonesia
关键词： CPE;FESEM;LSV
会议名称： International Conference on Bioengineering and Technology
主办单位：
页码： 060047-1-060047-7
摘要： Modification of carbon paste electrode (CPE) coated with poly-melamine (PM) and gold nanoparticles (AuNPs) was produced by electrochemical synthesis. The morphological characteristic of PM/AuNPs/CPE was characterized by field emission scanning electron microscope (FESEM), the effect of supporting electrolyte and scan rate were assessed by cyclic voltammetry (CV) to get suitable conditions for hydroquinone (HQ) analysis, and the linear sweep voltammetry (LSV) was used to determine HQ into the optimum condition. The result shows the PM/AuNPs/CPE has been successfully determined the responses of HQ in a presence of Arbutin as interference. The modified electrode also enhances the electrocatalytic activities toward the oxidation peak of hydroquinone (HQ) 5 fold higher than the bare CPE. These modified electrodes displayed linear concentration ranging from 0.4 to 10 μM with detection limit of 0.27 μM. In addition, the PM/AuNPs/CPE shows high selectivity, sensitivity and excellent practice for HQ analysis in the real sample with satisfying recovery.
分类号： Q81-532
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