22257
The ITC results showed that the binding constant ( Ka ) to crystalline CNWs was ~ 10 ( 5 ) M ( - 1 ) for CBMCel7A , while ~ 10 ( 6 ) M ( - 1 ) for CBMCel6A , suggesting a higher binding affinity of CBMCel6A to CNWs .
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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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