Triazine-Containing Pyridinium Organic Polymer Based on 4-Amino-1,8-naphthalimide Tröger's Base for Selective Fluorescent Sensing of Organoarsenic Feed Additives in Water.
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Abstract
A new triazine containing pyridinium organic polymer (TB-Py-COP) based on 4-amino-1,8-naphthalimide Tröger's base is developed and employed as a fluorescent chemosensor for selective sensing of organoarsenic feed additives in water. TB-Py-COP was readily synthesized by reacting "V-shaped" bis-[N-(4-pyridyl)methyl)]-9,18-methano-1,8-naphthalimide-[b,f][1,5]diazocine with cyanuric chloride in DMF at 100 °C for 3 days. TB-Py-COP exhibited a strong fluorescence emission in water and displayed selective, reversible fluorescence sensing responses for the roxarsone feed additive at the nanomolar (19 nM) level of sensitivity. The Stern-Volmer quenching constant (KSV) was determined to be 1.4 × 104 M-1. The selective sensing of roxarsone was further demonstrated in competitive environments, lake water, and buffer solutions.
期刊介绍：
ACS Measurement Science Au is an open access journal that publishes experimental computational or theoretical research in all areas of chemical measurement science. Short letters comprehensive articles reviews and perspectives are welcome on topics that report on any phase of analytical operations including sampling measurement and data analysis. This includes:Chemical Reactions and SelectivityChemometrics and Data ProcessingElectrochemistryElemental and Molecular CharacterizationImagingInstrumentationMass SpectrometryMicroscale and Nanoscale systemsOmics (Genomics Proteomics Metabonomics Metabolomics and Bioinformatics)Sensors and Sensing (Biosensors Chemical Sensors Gas Sensors Intracellular Sensors Single-Molecule Sensors Cell Chips Arrays Microfluidic Devices)SeparationsSpectroscopySurface analysisPapers dealing with established methods need to offer a significantly improved original application of the method.
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