A novel impedance immunosensor based on O-phenylenediamine modified gold electrode to analyze abscisic acid

查看全文 作　　者：Li, [1]Qian;Wang, Ruo [1]Zhong;Huang, Zhi [1]Gang;Li, He [1]Song;Xiao, Lang [1]Tao

机构地区：[1]Hunan Agr Univ, Hunan Prov Key Lab Crop Germplasm Innovat & Utili, Hunan Prov Key Lab Phytohormones & Growth Dev, Changsha 410128, Hunan, Peoples R China

出　　处：《Chinese Chemical Letters》索引2010年第21卷第4期,共4页

基　　金：supported by the National Natural Science Foundation of China(No.90817101,30670190 and 3060049) 摘　　要：An impedance immunosensor based on O-phenylenediamine modified gold electrode for the determination of phytohormone abscisic acid(ABA) was proposed.The operating pH,absorption time,absorption temperature and concentration of anti-ABA antibody were investigated to optimize the analytical performance.The calibration curve for the determination of ABA was obtained from this impedance immunosensor under optimal conditions.The results showed that the detection limit at about 1 ng/mL in the range of 10-5000 ng... 关键词：O-PHENYLENEDIAMINE Abscisic acid IMMUNOSENSOR

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A novel impedance immunosensor based on O-phenylenediamine modified gold electrode to analyze abscisic acid

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