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- W2058202325 abstract "A novel and sensitive electrogenerated chemiluminescence (ECL) sensor for formaldehyde was developed with the amine-functionalized Ru(bpy) 3 2+ -doped silica nanoparticles (Ru-DSNPs) as ECL emitter. Ru(bpy) 3 2+ doped on the silica nanoparticle can maintain its electrochemical activities, which made silica nano-beads a excellent carrier of Ru(bpy) 3 2+ species. The uniform Ru-DSNPs (about 75 nm) were conjugated with Au electrode using mercaptoacetic acid as the intermediate to fabricate an ECL sensor for formaldehyde. The ECL analytical performances of this ECL sensor for formaldehyde based on its enhancement ECL emission of Ru(bpy) 3 2+ were investigated in details. Under the optimum condition, the ECL intensity was linear with the formaldehyde concentration in the range of 1.0 × 10 − 8 mol/L to 1.0 × 10 − 6 mol/L. The detection limit was 6.0 × 10 − 9 mol/L ( S/N = 3 ). This approach offered obvious advantages of being simpler, faster, and more stable compared with other sensors, and possessed great potential for formaldehyde detection which could be applied to determine directly the formaldehyde in real samples without pre-separation. ► A new electrogenerated chemiluminescence sensor was built to detecte formaldehyde. ► The ECL signal was enhanced by using silica nano-beads as the carrier of Ru(bpy) 3 2+ species. ► This sensor could be applied to determine formaldehyde directly in real samples." @default.
- W2058202325 created "2016-06-24" @default.
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- W2058202325 date "2012-12-01" @default.
- W2058202325 modified "2023-10-16" @default.
- W2058202325 title "Electrogenerated chemiluminescence sensor for formaldehyde based on Ru(bpy)32+-doped silica nanoparticles modified Au electrode" @default.
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- W2058202325 doi "https://doi.org/10.1016/j.msec.2012.05.047" @default.
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