A Surface Fluorescent Sensing Membrane for Rapid Detection of Sodium
作者： Xiaojun Zhao , Xiaohai Yang , Wing Hong Chan
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摘要: Abstract A sensitive fluorescent sensing membrane has been developed for the rapid detection of sodium ions by immobilizing onto a glass slide surface. The consists fluorophore, an ionophore, plasticizer, and anionic site lipophilic salt in polyvinyl chloride (PVC) matrix. Based on ion‐exchange response photoinduced electron transfer mechanisms, ionophore first captures target from solution into membrane, then fluorophore emits signal based amount captured. To effectively transmit avoid leaching newly synthesized compound was used as fabrication membrane. Due to special structure it remains trapped inside thus gives reliable when exist solution. Calix[4]arene tetraester acts ion carrier, crown size i...
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