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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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An amperometric sensor for measuring indole-3-acetic acid (IAA) was studied based on a screenprinted carbon electrode (SPCE) coated with a reduced graphene oxide composite electrocatalyst. The PEI-GO dispersion is uniformly formed through a nucleophilic substitution reaction between the active amine group of Polyethyleneimine (PEI) and the epoxide group exposed on the surface of graphene oxide. And The 3-dimensional PEI-rGO AG (Polyethyleneimine-reduced graphene oxide aerogel) complex was easily prepared through simple heat treatment of the combined PEI-GO dispersion. The proposed composite catalyst electrode, PEI-rGO AG/SPCE, showed a two linear relationship in the low and high concentrations in IAA detection, and the linear equation was Ipa = 0.2883C + 0.0883 (R²=0.9230) at low concentration and I<sub>pa</sub> = 0.00464C + 0.6623 (R²=0.9894) at high concentration was proposed, and the detection limit was calculated to be 203.5nM±33.2nM. These results showed the applicability of the PEI-rGO AG composite catalyst as an electrode material for electrocatalysts for the detection of IAA.
목차
Abstract
1. 서론
2. 실험 방법
3. 결과 및 고찰
4. 결론
Reference
참고문헌 (13)
참고문헌 신청
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Y. Hu, X. Wang, C. Wang, P. Hou, H. Dong, B. Luo, A. Li, A multifunctional ratiometric electrochemical sensor for combined determination of indole-3-acetic acid and salicylic acid, Analytical Chemistry, 10 (2020) 3115–3121.
Y. Chen, Y. Sun, Y. Niu, B. Wang, Z. Zhang, L. Zeng, W. Sun, Portable electrochemical sensing of indole-3-acetic acid based on self-assembled MXene and multi-walled carbon nanotubes composite modified screen-printed electrode, Electroanalysis, 35 (2023) 1–9.
J. Liang, F. Yan, C. Jiang, L. Xie, Y. Wang, T. Li, L. Zheng, J. Wang, D. Ning, L. Tang, Y. Ya, In situ one-step electrochemical preparation of mesoporous molecularly imprinted sensor for efficient determination of indole-3-acetic acid, Journal of Electroanalytical Chemistry, 905 (2022) 116000.
M. Li, Y. Kuang, Z. Fan, X. Qin, S. Hu, Z. Liang, Q. Liu, W. Zhang, B. Wang, Z. Su, Simultaneous electrochemical sensing of indole-3-acetic acid and salicylic acid on poly(L-Proline) nanoparticles-carbon dots-multiwalled carbon nanotubes composite-modified electrode, Sensors (Basel), 22 (2022) 2222.
Y. Hu, X. Wang, C. Wang, P. Hou, H. Dong, B. Luo, A. Li, A multifunctional ratiometric electrochemical sensor for combined determination of indole-3-acetic acid and salicylic acid, Analytical Chemistry, 10 (2020) 3115–3121.
Y. Chen, Y. Sun, Y. Niu, B. Wang, Z. Zhang, L. Zeng, W. Sun, Portable electrochemical sensing of indole-3-acetic acid based on self-assembled MXene and multi-walled carbon nanotubes composite modified screen-printed electrode, Electroanalysis, 35 (2023) 1–9.
J. Liang, F. Yan, C. Jiang, L. Xie, Y. Wang, T. Li, L. Zheng, J. Wang, D. Ning, L. Tang, Y. Ya, In situ one-step electrochemical preparation of mesoporous molecularly imprinted sensor for efficient determination of indole-3-acetic acid, Journal of Electroanalytical Chemistry, 905 (2022) 116000.
M. Li, Y. Kuang, Z. Fan, X. Qin, S. Hu, Z. Liang, Q. Liu, W. Zhang, B. Wang, Z. Su, Simultaneous electrochemical sensing of indole-3-acetic acid and salicylic acid on poly(L-Proline) nanoparticles-carbon dots-multiwalled carbon nanotubes composite-modified electrode, Sensors (Basel), 22 (2022) 2222.
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