8346
We show that both oil - in - water and water - in - oil emulsions , so long as their droplet size is sufficiently small , can exert significant force to the entrapped nanostructures , causing their deformation .
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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