11497
Here , we characterize the adhesion toward the cell membrane of nanoparticles of different material and size and study how this is modulated by the presence or absence of a corona on the nanoparticle surface .
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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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