用于水中铀探测的光纤传感器系统

The 2nd International Electronic Conference on Biosensors Pub Date : 2022-02-17 DOI:10.3390/iecb2022-12296

N. Cennamo, M. Pesavento, D. Merli, A. Profumo, L. Zeni, G. Alberti

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引用次数: 1

摘要

一种简单实现的光纤传感器用于水中铀(VI)的检测，证明了该传感方法在ppb范围内测定水溶液中铀酰(UO 22 +)的能力。所提出的传感器是通过光纤将铀的特定受体层结合到金薄膜上获得的，在该薄膜上表面等离子体共振(SPR)现象发生。其中，SPR d型塑料光纤(POF)探头用于信号转导。提出的光化学传感方法是有吸引力的，因为原则上，它可以直接应用于现场，以快速和不过于昂贵的方式给出分析响应。

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An Optical Fiber Sensor System for Uranium Detection in Water

: A simple to realize optical ﬁber sensor speciﬁc for uranium(VI) detection in water is reported to demonstrate the sensing approach’s capability to determine uranyl (UO 2 2+ ) in water solution in the ppb range. The proposed sensor was obtained by combining a speciﬁc receptor layer for uranium to a gold thin ﬁlm at which the surface plasmon resonance (SPR) phenomenon takes place via optical ﬁber. In particular, an SPR D-shaped plastic optical ﬁber (POF) probe was used for signal transduction. The proposed optical-chemical sensing method is attractive because, in principle, it can be applied directly in the ﬁeld, giving an analytical response in a fast and not overly expensive manner.

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The 2nd International Electronic Conference on Biosensors

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