Recent Advances in Bioinspired Olfaction/Gustation Sensors and their Applications#br#
1 Biosensor National Special Laboratory, Key Laboratory of Biomedical Engineering of Education Ministry, Zhejiang University, Hangzhou 310027, China
2 Monell Chemical Senses Center, 3500 Market Street, Philadelphia, PA 19104, USA
3 University of Illinois at UrbanaChampaign, IL 61801, USA
Abstract The biological chemical sensory system has the ability to discriminate and identify thousands of chemical compounds at very low concentrations with extremely higher sensitivity and specificity than current artificial sensing devices. Recently, many researchers are trying to develop novel chemical detecting systems called as bioinspired olfaction/gustation sensors which take advantages of optimized natural molecular recognition. Bioinspired olfaction/gustation sensors consist of a primary transducer and a secondary transducer. The primary transducer is the biological recognition element of molecules such as biological tissues, cells and proteins. The second ary transducers such as optical devices, electrochemistry devices and acousticwave devices are the biochips for the detection of binding of chemical compounds to the primary transducers. In this article, we introduced the mechanism of biological sense of smell and taste, and outlined the latest advances of bioinspired olfaction/gustation sensors. Current research trends and future challenges in this field will be discussed.
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〖WTHZ〗Key words：〖WTBZ〗〖BP(〗┣┣（英）关键词┫┫〖BP)〗
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