15506
Nevertheless , promising results demonstrating SWNT - based flexible circuits , displays , RF - devices , and biochemical sensors have been reported by various research groups , proving insight into the exciting possibilities of SWNT - based FETs .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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