Computational Design and Fabrication of Optical Fibre Fluorescent Chemical Probes for the Detection of Cocaine

Computational Design and Fabrication of Optical Fibre Fluorescent Chemical Probes for the Detection of Cocaine
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用于检测可卡因的光纤荧光化学探针的计算设计和制造

DOI:
10.1109/jlt.2015.2389036
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发表时间:
2015
影响因子:
4.7
通讯作者:
Wren S
Wren S
中科院分区:
工程技术2区
文献类型:
--
作者:
Wren S

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一种合理设计的荧光团已经被开发出来,并被纳入到分子印迹聚合物中,作为传感器设计的基础。它的使用允许制造两种不同设计的光纤化学探针,使用一种基于发射荧光的变化与存在的所需物种的浓度相关的方法。两种探针对可卡因均具有较高的灵敏度,在1-100 μM的可卡因溶液中,在乙腈水溶液中,荧光信号发生正变化。其中一种探针(探针X)对一系列化合物的可卡因具有很高的灵敏度,即使在存在强荧光干扰的情况下也可以检测到该药物。这项工作还表明,这种类型的探针在使用时不需要丢弃:可以使用简单的洗涤程序重新使用探针X,并保持校准性能。
A rationally designed fluorophore has been developed and has been incorporated into molecularly imprinted polymers, as the basis of the design of a sensor. Its use has allowed the fabrication of two different designs of fibre-optic chemical probes using an approach based on the change of the emitted fluorescence being related to the concentration of the desired species that was present. A high sensitivity to the drug Cocaine was achieved with each of the probes, showing positive changes in the fluorescence signal achieved in response to 1–100 μM solutions of the drug, in solution in aqueous acetonitrile. High sensitivity for Cocaine over a range of compounds was demonstrated for one of the probes (probe X) and detection of the drug is possible even in the presence of strong fluorescence interference. The work has also shown that probes of this type do not need to be discarded when used: re-use of probe X is possible using a straightforward washing procedure and the calibration performance was maintained.
利用分子建模和核磁共振分析配制可卡因印迹聚合物
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