28442
Functionalized nanoparticles specifically bind to and are internalized in cells expressing the receptor ( GTL - 16 ) but not in the ones that do not express it ( NIH - 3T3 ) .
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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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