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Zinc metal-organic framework with high-density free carboxyl oxygen functionalized pore walls for targeted electrochemical sensing of paracetamol |
Author Name | Affiliation | E-mail | XU Lu | Key Laboratory of Magnetic Molecules and Magnetic Information Materials, Ministry of Education, College of Chemistry and Materials Science, Shanxi Normal University, Taiyuan 030032, China | | ZHANG Chengyu | Key Laboratory of Magnetic Molecules and Magnetic Information Materials, Ministry of Education, College of Chemistry and Materials Science, Shanxi Normal University, Taiyuan 030032, China | | JI Wenjuan | Key Laboratory of Magnetic Molecules and Magnetic Information Materials, Ministry of Education, College of Chemistry and Materials Science, Shanxi Normal University, Taiyuan 030032, China | jiwj@sxnu.edu.cn | YANG Haiying | Department of Applied Chemistry, Yuncheng University, Yuncheng, Shanxi 044000, China | hyyang@ycu.edu.cn | FU Yunlong | Key Laboratory of Magnetic Molecules and Magnetic Information Materials, Ministry of Education, College of Chemistry and Materials Science, Shanxi Normal University, Taiyuan 030032, China | yunlongfu@sxnu.edu.cn |
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Abstract: Based on the rigid benzene polycarboxylic acid H4BPTC (biphenyl-3,3',5,5'-tetracarboxylic acid),a 3D rigid zinc-based metal-organic framework with high-density free carboxyl oxygen modified pore walls,{[Zn2(BPTC)(H2O)(DMF)2]·DMF·H2O}n(SXNU-5-Zn),has been constructed.SXNU-5-Zn exhibited good acid-base stability within a pH range of 3-8 and excellent thermal stability.An electrochemical sensor,SXNU-5-Zn/GCE,based on a pure MOF material was constructed,which can detect paracetamol (AC) with high sensitivity and selectivity.The linear detection range spans from 0.02 to 765 μmol·L-1,with a limit of detection as low as 0.013 8 μmol·L-1(S/N=3).Furthermore,the prepared SXNU-5-Zn/GCE sensor has been successfully utilized to determine the AC content in compound acetaminophen tablets as an actual sample. |
Keywords: metal-organic framework zinc electrochemical sensor paracetamol |
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XU Lu,ZHANG Chengyu,JI Wenjuan,YANG Haiying,FU Yunlong.Zinc metal-organic framework with high-density free carboxyl oxygen functionalized pore walls for targeted electrochemical sensing of paracetamol[J].Chinese Journal of Inorganic Chemistry,2024,40(5):907-918. |
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