在恒电位沉积钴铝水滑石(CoAl-LDH)时将辣根过氧化物酶(HRP)和碳纳米管(CNTs)固定于基底电极表面,构建CoAl-LDH-HRP-CNTs修饰电极并用于过氧化氢的检测.利用SEM对电化学沉积的CoAl-LDH-HRP-CNTs的形貌进行了表征.采用电化学阻抗对所制备的电极进行了表征.用循环伏安法对电极的电化学行为进行了研究.探讨了pH值和测定电位对修饰电极的催化还原性能的影响.该传感器对过氧化氢的检测在2.5×10-6～3.35×10-4 mol/L范围内呈良好的线性关系,灵敏度为0.0049 A·L/mol.
参考文献
| [1] | Wang, Q.;Ohare, D..Recent advances in the synthesis and application of layered double hydroxide (LDH) nanosheets[J].Chemical Reviews,20127(7):4124-4155. |
| [2] | Birgul Zumreoglu-Karan;Ahmet Nedim Ay.Layered double hydroxides - multifunctional nanomaterials[J].Chemicke Zvesti,20121(1):1-10. |
| [3] | Tonelli, D.;Scavetta, E.;Giorgetti, M..Layered-double-hydroxide-modified electrodes: Electroanalytical applications[J].Analytical and bioanalytical chemistry,20132/3(2/3):603-614. |
| [4] | Fang-Ting Zhang;Xia Long;De-Wen Zhang;Yi-Lun Sun;Ying-Lin Zhou;Yu-Rong Ma;Li-Min Qi;Xin-Xiang Zhang.Layered double hydroxide-hemin nanocomposite as mimetic peroxidase and its application in sensing[J].Sensors and Actuators, B. Chemical,2014:150-156. |
| [5] | Fernández, L.;Ledezma, I.;Borrás, C.;Martínez, L.A.;Carrero, H..Horseradish peroxidase modified electrode based on a film of Co-Al layered double hydroxide modified with sodium dodecylbenzenesulfonate for determination of 2-chlorophenol[J].Sensors and Actuators, B. Chemical,2013:625-632. |
| [6] | Li, M.;Ji, H.;Wang, Y.;Liu, L.;Gao, F..MgFe-layered double hydroxide modified electrodes for direct electron transfer of heme proteins[J].Biosensors & Bioelectronics: The International Journal for the Professional Involved with Research, Technology and Applications of Biosensers and Related Devices,20120(0):239-244. |
| [7] | Shan D;Yao WJ;Xue HG.Amperometric detection of glucose with glucose oxidase immobilized in layered double hydroxides[J].Electroanalysis,200615(15):1485-1491. |
| [8] | Li Wang;Erkang Wang.A novel hydrogen peroxide sensor based on horseradish peroxidase immobilized on colloidal Au modified ITO electrode[J].Electrochemistry communications,20042(2):225-229. |
| [9] | Chen X;Fu CL;Wang Y;Yang WS;Evans DG.Direct electrochemistry and electrocatalysis based on a film of horseradish peroxidase intercalated into Ni-Al layered double hydroxide nanosheets[J].Biosensors & Bioelectronics: The International Journal for the Professional Involved with Research, Technology and Applications of Biosensers and Related Devices,20083(3):356-361. |
| [10] | Mignani A;Scavetta E;Tonelli D.Electrodeposited glucose oxidase/anionic clay for glucose biosensors design[J].Analytica chimica acta,20061(1):98-106. |
| [11] | A.Mignani;G.Luciano;S.Lanteri.Optimization of a glucose biosensor setup based on a Ni/A1 HT matrix[J].Analytica chimica acta,20071(1):36-40. |
| [12] | Erika Scavetta;Barbara Ballarin;Claudio Corticelli;Isacco Gualandi;Domenica Tonelli;Vanessa Prevot;ClaudeForano;Christine Mousty.An insight into the electrochemical behavior of Co/Al layered double hydroxide thin films prepared by electrodeposition[J].Journal of Power Sources,2012Mar.1(Mar.1):360-367. |
| [13] | Eugenii Katz;Lital Alfonta;Itamar Willner.Chronopotentiometry and faradic impedance spectroscopy as methods for signal transduction in immunosensors[J].Sensors and Actuators, B. Chemical,20011/3(1/3):134-141. |
| [14] | Moyo, M.;Okonkwo, J.O.;Agyei, N.M..A novel hydrogen peroxide biosensor based on adsorption of horseradish peroxidase onto a nanobiomaterial composite modified glassy carbon electrode[J].Electroanalysis,20138(8):1946-1954. |
| [15] | Hayat, A.;Marty, J.-L.;Radi, A.-E..Novel Amperometric Hydrogen Peroxide Biosensor Based on Horseradish Peroxidase Azide Covalently Immobilized on Ethynyl-Modified Screen-Printed Carbon Electrode via Click Chemistry[J].Electroanalysis,20126(6):1446-1452. |
| [16] | Qin Ran;Ru Peng;Cong Liang.Direct electrochemistry of horseradish peroxidase immobilized on electrografted 4-ethynylphenyl film via click chemistry[J].Analytica chimica acta,20111/2(1/2):27-31. |
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