28906
Lastly , macropinocytosis was identified as the major cellular pathway responsible for eNP uptake , as confirmed using temperature - sensitive metabolic reduction , pharmacologic inhibitors , and fluid - phase marker co - localization .
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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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