The metal-organic frameworks(MOFs)have the characteristics of high porosity and crystallinity,which also makes MOFs have the advantages of high sensitivity,high selectivity and high efficiency in the field of fluoresc...The metal-organic frameworks(MOFs)have the characteristics of high porosity and crystallinity,which also makes MOFs have the advantages of high sensitivity,high selectivity and high efficiency in the field of fluorescence sensing.It can detect the target substance efficiently and quickly,and has excellent anti-interference.Therefore,MOFs materials are also considered as ideal materials for fluorescence sensors.This paper introduces three common preparation methods of MOFs materials:hydrothermal/solvothermal method,mechanochemical method and microwave method.We focus on the application status of MOFs materials in the three fluorescence sensing fields of small molecules,metal cations and inorganic anions,as well as the shortcomings and improvement methods of MOFs materials in this application field.Finally,in view of the shortcomings of MOFs materials in the field of fluorescence sensing,such as poor stability,fluorescence quenching phenomenon susceptible to environmental interference,etc.,it is proposed that more in-depth research should be carried out in the future in terms of anti-interference and reuse of MOFs materials.展开更多
Because of their easy tunability in structure,porosity,and micro-environment,metal-organic frameworks(MOFs)have recently attracted numerous attentions in various fields.The detection of ascorbic acid(AA),dopamine(DA),...Because of their easy tunability in structure,porosity,and micro-environment,metal-organic frameworks(MOFs)have recently attracted numerous attentions in various fields.The detection of ascorbic acid(AA),dopamine(DA),and uric acid(UA)is of great significance not only in biomedicine and neurochemistry but also in disease diagnosis and pathology research.Herein,a series of bimetallic-organic frameworks,MIL-125(Ti-Fe)-x%NH_(2)(x=0,25,50,75,and 100),was successfully synthesized.MIL-125(Ti-Fe)-x%NH_(2)family was employed as electrochemical sensors for the detection of AA,DA,and UA,and MIL-125(Ti-Fe)-100%NH_(2)exhibited the most promising performance with 50%carbon black doping in 0.1 mol·L^(-1)PBS(pH=7.10).In addition,the as-prepared MIL-125(Ti-Fe)-100%NH_(2)/GCE exhibited excellent anti-interference performance and good stability,which provided a promising platform for future utilization in real sample analysis.展开更多
基金supported by the Natural Science Research Project of Anhui Educational Committee(13220346)Scientific Research Foundation for High-level Talents of Anhui University of Science and Technology(1321056)
文摘The metal-organic frameworks(MOFs)have the characteristics of high porosity and crystallinity,which also makes MOFs have the advantages of high sensitivity,high selectivity and high efficiency in the field of fluorescence sensing.It can detect the target substance efficiently and quickly,and has excellent anti-interference.Therefore,MOFs materials are also considered as ideal materials for fluorescence sensors.This paper introduces three common preparation methods of MOFs materials:hydrothermal/solvothermal method,mechanochemical method and microwave method.We focus on the application status of MOFs materials in the three fluorescence sensing fields of small molecules,metal cations and inorganic anions,as well as the shortcomings and improvement methods of MOFs materials in this application field.Finally,in view of the shortcomings of MOFs materials in the field of fluorescence sensing,such as poor stability,fluorescence quenching phenomenon susceptible to environmental interference,etc.,it is proposed that more in-depth research should be carried out in the future in terms of anti-interference and reuse of MOFs materials.
基金the Natural Science Foundation of Science and Technology Department of Jilin Province(grant No.20210101131JC)the Fundamental Research Funds for the Central Universities(grant No.2412020FZ009 and 2412022ZD048)
文摘Because of their easy tunability in structure,porosity,and micro-environment,metal-organic frameworks(MOFs)have recently attracted numerous attentions in various fields.The detection of ascorbic acid(AA),dopamine(DA),and uric acid(UA)is of great significance not only in biomedicine and neurochemistry but also in disease diagnosis and pathology research.Herein,a series of bimetallic-organic frameworks,MIL-125(Ti-Fe)-x%NH_(2)(x=0,25,50,75,and 100),was successfully synthesized.MIL-125(Ti-Fe)-x%NH_(2)family was employed as electrochemical sensors for the detection of AA,DA,and UA,and MIL-125(Ti-Fe)-100%NH_(2)exhibited the most promising performance with 50%carbon black doping in 0.1 mol·L^(-1)PBS(pH=7.10).In addition,the as-prepared MIL-125(Ti-Fe)-100%NH_(2)/GCE exhibited excellent anti-interference performance and good stability,which provided a promising platform for future utilization in real sample analysis.
