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
Based on low income of farmers and blindness of crop production,decision support system on production plan of regional crops was proposed with consideration of clustering production,low harvest with high yield,histori...Based on low income of farmers and blindness of crop production,decision support system on production plan of regional crops was proposed with consideration of clustering production,low harvest with high yield,historical data and market information using statistics and mathematical modeling.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.
文摘Based on low income of farmers and blindness of crop production,decision support system on production plan of regional crops was proposed with consideration of clustering production,low harvest with high yield,historical data and market information using statistics and mathematical modeling.
