Colorimetric sensor Arrays for volatile organic compounds
Colorimetric sensor Arrays for volatile organic compounds
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DOI：
10.1021/ac052111s
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发表时间：
2006-06-01
影响因子：
7.4
通讯作者：
Suslick, Kenneth S.
中科院分区：
文献类型：
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作者：
Janzen, Michael C.;Ponder, Jennifer B.;Suslick, Kenneth S.
报道了一种用于挥发性有机化合物（VOCs）检测和识别的低成本、高灵敏度比色传感器阵列的研制。使用由化学响应染料组成的阵列，在可以用普通平板扫描仪容易地成像的简单装置中可以具有巨大的辨别能力。可以实现密切相关的有机化合物的出色区分，并提供了100种VOC的库。该阵列通过探测广泛的分子间相互作用，包括刘易斯酸/碱，布朗斯台德酸/碱，金属离子配位，氢键和偶极相互作用来区分VOC。重要的是，通过适当选择染料和基底，阵列基本上对湿度的变化不敏感。
The development of a low-cost, sensitive colorimetric sensor array for the detection and identification of volatile organic compounds ( VOCs) is reported. Using an array composed of chemoresponsive dyes, enormous discriminatory power is possible in a simple device that can be imaged easily with an ordinary flatbed scanner. Excellent differentiation of closely related organic compounds can be achieved, and a library of 100 VOCs is presented. The array discriminates among VOCs by probing a wide range of intermolecular interactions, including Lewis acid/base, Bronsted acid/base, metal ion coordination, hydrogen bonding, and dipolar interactions. Importantly, by proper choice of dyes and substrate, the array is essentially nonresponsive to changes in humidity.