Colorimetric detection and identification of natural and artificial sweeteners.

Colorimetric detection and identification of natural and artificial sweeteners.
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DOI:
10.1021/ac901019g
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发表时间:
2009-08-01
影响因子:
7.4
通讯作者:
Suslick, Kenneth S.
Suslick, Kenneth S.
中科院分区:
化学1区
文献类型:
--
作者:
Musto, Christopher J.;Lim, Sung H.;Suslick, Kenneth S.

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一种一次性的、低成本的比色传感器阵列已经通过针印在亲水性膜16上产生了化学响应性纳米多孔颜料,所述纳米多孔颜料由固定在有机改性硅烷(Ormosil)中的指示剂制成。该阵列已用于检测和识别14种不同的毫摩尔浓度的天然和人造甜味剂,以及常用的个人甜味剂包。该阵列表现出极好的重现性和较长的保质期,并已优化为在生物pH范围内工作。
A disposable, low-cost colorimetric sensor array has been created by pin-printing onto a hydrophilic membrane 16 chemically responsive nanoporous pigments made from indicators immobilized in an organically modified silane (ormosil). The array has been used to detect and identify 14 different natural and artificial sweeteners at millimolar concentrations as well as commonly used individual serving sweetener packets. The array has shown excellent reproducibility and long shelf-life and has been optimized to work in the biological pH regime.
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