Electronic noses and tongues: applications for the food and pharmaceutical industries.

Electronic noses and tongues: applications for the food and pharmaceutical industries.
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DOI:
10.3390/s110504744
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发表时间:
2011
期刊:
Sensors (Basel, Switzerland)
影响因子:
--
通讯作者:
Dea S
Dea S
中科院分区:
其他
文献类型:
--
作者:
Baldwin EA;Bai J;Plotto A;Dea S

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电子鼻(e-nose)被设计成粗略地模仿哺乳动物的鼻子,其中大多数包含传感器,这些传感器非选择性地与气味分子相互作用以产生某种信号,然后将该信号发送到计算机,该计算机使用多变量统计来确定数据中的模式。这种模式识别用于基于顶空挥发物确定一个样品与另一个样品相似或不同。存在不同类型的电子鼻传感器,包括有机聚合物、金属氧化物、石英晶体微量天平,甚至气相色谱(GC)或与质谱(MS)组合,可以以非选择性方式使用来自短GC柱的化学质量或模式作为电子鼻或“Z”鼻。电子舌对液体中的非挥发性化合物的反应类似。本文将重点介绍电子鼻和电子舌技术在食品和医药领域的应用。
The electronic nose (e-nose) is designed to crudely mimic the mammalian nose in that most contain sensors that non-selectively interact with odor molecules to produce some sort of signal that is then sent to a computer that uses multivariate statistics to determine patterns in the data. This pattern recognition is used to determine that one sample is similar or different from another based on headspace volatiles. There are different types of e-nose sensors including organic polymers, metal oxides, quartz crystal microbalance and even gas-chromatography (GC) or combined with mass spectroscopy (MS) can be used in a non-selective manner using chemical mass or patterns from a short GC column as an e-nose or “Z” nose. The electronic tongue reacts similarly to non-volatile compounds in a liquid. This review will concentrate on applications of e-nose and e-tongue technology for edible products and pharmaceutical uses.
DOI: 10.1016/j.electacta.2004.05.010
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