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Hybrid Nanomaterials for the Detection of Amine Derivatives Based on a Fluorescent Probe

机译:基于荧光探针的用于胺衍生物检测的杂化纳米材料

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Functionalized sol-gel precursors, which have a fluorescent styrylbenzene derivative and aldehyde groups, were synthesized to develop silica-based, hybrid-fluorescence, chemosensor nanomaterials for the detection of primary amine molecules. The fluorescent hybrid nanomaterial was produced using the prepared functionalized sol-gel precursor and tetraethyl orthosilicate. The resulting fluorescent hybrid nanoparticles with a mean diameter of 150 nm were characterized by field emission scanning electron microscopy, Fourier transform infrared spectroscopy and ultraviolet/visible spectroscopy. The capability of these nanomaterials as a chemosensor for primary amine derivatives was investigated using fluorescent nanoparticles and various primary amines. The newly prepared silica-based hybrid fluorescence chemosensor materials recognized only the ethylenediamine molecule with high selectivity through the significant change in emission color from pale green to blue in solution under UV irradiation.
机译:合成了具有荧光苯乙烯基苯衍生物和醛基的功能化溶胶-凝胶前体,以开发用于检测伯胺分子的基于二氧化硅的杂化荧光化学传感器纳米材料。使用制备的官能化的溶胶-凝胶前体和原硅酸四乙酯来生产荧光杂化纳米材料。通过场发射扫描电子显微镜,傅立叶变换红外光谱和紫外/可见光谱对所得的平均直径为150nm的荧光杂化纳米颗粒进行表征。使用荧光纳米粒子和各种伯胺研究了这些纳米材料作为伯胺衍生物化学传感器的能力。新制备的基于二氧化硅的混合荧光化学传感器材料通过在紫外线照射下溶液中的发射颜色从浅绿色到蓝色的显着变化,只能识别出高选择性的乙二胺分子。

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