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Nature's use of sensor arrays in the mammalian olfactory and gustatory systems has encouraged supramolecular chemists to take a new approach to molecular recognition. Pattern-based recognition involves the use of sensor arrays to create fingerprints for analytes. The use of sensing arrays has paved the way for systems capable of identifying biological analytes that would have been difficult targets using the traditional "lock-and-key" approach to sensor design.
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Collins et al. (2007) studied this question.
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