Artificial Noses

Shannon E. Stitzel

doi:10.1146/annurev-bioeng-071910-124633

2011-08-15

PRE

Shannon E. Stitzel

Matthew J. Aernecke

David R. Walt *

DOI：10.1146/annurev-bioeng-071910-124633

原文链接

摘要

En 中文

The mammalian olfactory system is able to detect many more odorants than the number of receptors it has by utilizing cross-reactive odorant receptors that generate unique response patterns for each odorant. Mimicking the mammalian system, artificial noses combine cross-reactive sensor arrays with pattern recognition algorithms to create robust odor-discrimination systems. The first artificial nose reported in 1982 utilized a tin-oxide sensor array. Since then, however, a wide range of sensor technologies have been developed and commercialized. This review highlights the most commonly employed sensor types in artificial noses: electrical, gravimetric, and optical sensors. The applications of nose systems are also reviewed, covering areas such as food and beverage quality control, chemical warfare agent detection, and medical diagnostics. A brief discussion of future trends for the technology is also provided.

Keyword:

gas sensor

cross-reactive array

e-nose

pattern recognition

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期刊

Annual Review of Biomedical Engineering

IF:

9.6

论文数:

482

被引数:

5.6K

机构

Tufts University

学者数:

207

论文数: 100

被引数: 0

University System of Maryland

学者数:

6.5W

论文数: 5.6W

被引数: 113

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