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Interestingly , the incorporation of galactose groups into the hydrogels was found to improve cell adhesion , likely due to the adsorption of fibronectin ( FN ) in cell - extracellular matrix ( ECM ) .
 Chemical: galactose
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: galactose