Development of a probe based on quantum dots embedded with molecularly imprinted polymers to detect parathion

• Autorzy: Tang J. , Xiang L.
• Języki publikacji: EN

Abstrakty

EN

Surface molecularly imprinted CdTe nanoparticles with molecular recognitive activity were prepared by reverse microemulsion polymerization with parathion as template molecules, 3-aminopropyltriethoxysilane and tetramethoxysilane as the polymerization precursors, and cross-linking. The determination method for parathion was developed on the basis of the fluorescence quenching of quantum dots caused by parathion due to the binding of molecularly imprinted cavities to parathion. The synthesized material had a distinguished selectivity and high binding affinity to parathion compared with chlopyrifos, diazinon, and pyrimithate. Under optimal conditions, the relative fl uorescence intensity of polymers decreased with increases of the concentration of parathion in the range 0.05-1000 μmol/L. The decreasing tendency of fluorescence intensity with increasing parathion concentration abides by the logistical growth curve with a detected limit of 0.218 μmol/L. This method was used to detect for parathion in water samples, for which recoveries ranging from 97.72% to 100.59% were obtained.

• Wydawca: -
• Czasopismo: Polish Journal of Environmental Studies
• Rocznik: 2016
• Tom: 25
• Numer: 2
• Opis fizyczny: p.787-793,fig.,ref.

Twórcy

autor

Tang J.

• Department of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230601, The People’s Republic of China
• Key Laboratory of Water Pollution Control and Waste Water Resources in Anhui Province, Hefei 230601, The People’s Republic of China

autor

Xiang L.

• Department of Environment and Energy Engineering, Anhui Jianzhu University, Hefei 230601, The People’s Republic of China

Bibliografia

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Identyfikatory

DOI

10.15244/pjoes/60888