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Multiplexed detection using quantum dots as photoluminescent sensing elements or optical labels

机译：使用量子点作为光致发光感测元件或光学标签的多路复用检测

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Multiplexed detection, seeking either the simultaneous assessment of multiple analytes in the same experiment or the multi-detection of a single analyte in a complex sample matrix replete of interfering species, has gained, in recent years, a noteworthy interest amidst the analytical community. Evolving from early immunoassays or ELISA tests, mostly devoted to research purposes rather than to applied analytical objectives, multiplexed detection has been able, both alone and coupled to chemometric models, to deliver reliable and efficient analytical tools for disease diagnostics, drug and contaminants screening and biodefense applications in fields as different as clinical, pharmaceutical, food and environmental analysis. The research on nanomaterials, in particular on photoluminescent quantum dots, has paved the way for the implementation of innovative and flexible multiplexed assays since their remarkable optical properties and tailored reactivity could be arranged in many configurations, combining different fluorophores and molecular recognition elements and providing the means for the establishment of definite reaction pathways and detection modes.This work aims at survey the optical multiplexed detection approaches using nanocrystalline materials as either PL active sensing elements or passive labels, examine the distinct roles they could play at the sensing platform, either alone or combined with other materials, and discuss their advantages, shortcomings, and application prospects. (C) 2021 Elsevier B.V. All rights reserved.
机译：多路复用检测，寻求同一实验中多种分析物的同时评估多个分析物或在干扰物种的复杂样品矩阵中的单个分析物中的多次检测，近年来，在分析界中不值得注意的兴趣。从早期免疫测定或ELISA测试中发展，主要致力于研究目的而不是应用分析目标，多路复用检测能够单独和耦合到化学计量模型，以为疾病诊断，药物和污染物筛查提供可靠和有效的分析工具和筛选与临床，制药，食品和环境分析不同的领域的生物义应用。纳米材料的研究，特别是在光致发光量子点上，为实现了创新和柔性多路复用测定的方法，因为它们的显着光学性能和定制的反应性可以在许多配置中排列，并组合不同的荧光团和分子识别元件并提供建立确定的反应途径和检测模式的手段。本工作旨在通过纳米晶体材料进行调查，以纳米晶体材料作为PL主动传感元件或被动标签，检查它们可以单独在传感平台上发挥的独特作用结合其他材料，并讨论其优势，缺点和应用前景。 （c）2021 elestvier b.v.保留所有权利。

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