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With native β-cyclodextrin (β-CD) added into the polymerization mixture directly, a novel, convenient and low-cost one-pot strategy was developed to prepare the β-CD functionalized organic polymer monolithic capillary column. Diazabicyclo[5.4.0]undec-7-ene (DBU) as a basic catalyst for the ring opening reaction between β-CD and glycidyl methacrylate (GMA) was introduced into the polymerization system...
A comprehensively comparative study of thiol-functionalized mesoporous silica and organic-inorganic hybrid monolithic column was reported, aiming at the separation and enrichment of inorganic arsenic. Thiol-functionalized mesoporous silica was synthesized based on the one-step co-condensation method. At the same time, a novel thiol-functionalized organic-inorganic hybrid monolithic column was synthesized...
A method is proposed for the detection of Hg 2+ using Hg 2+ specific DNA (MSD) functionalized gold nanoparticles (AuNPs) based on the formation of T–Hg 2+ –T complex and the excellent quenching fluorescence property of AuNPs. The MSD is rich in thymine (T) and readily forms T–Hg 2+ –T configuration in the presence of Hg 2+ . The MSD which is labeled with a fluorescein...
By coupling flow-injection with laser-induced fluorescence detection, a setup was developed and a novel method combining fluorescence resonance energy transfer (FRET) and flow-injection analysis (FIA) was proposed for the determination of vitamin B 12 (VB 12 ) based on its fluorescence quenching on the system of acridine orange (AO)/rhodamine 6G (R6G). The effective energy transfer...
In our previous work, we reported that with TlNO 3 as a heavy atom perturber and Na 2 SO 3 as a deoxygenator, room temperature phosphorescence (RTP) emission of dansyl chloride and its amino acid derivatives can be induced directly from their aqueous solution without a protective medium. Is this kind of fluid luminescence phenomenon unique for the dansyl chloride compounds?...
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