22258
For Avicel , lower binding constants for both CBMs were observed , and weak bindings to PASC were characterized , suggesting that the binding between CBMCel7A , Cel6A and cellulose to some extent relates to the crystallinity of cellulose .
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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:
 None