12643
For this purpose , a 3 ( 2 ) factorial design was performed evaluating the effects of the concentration of emulsifiers and sonication time on the manufactured nanoparticles , followed by a multiresponse optimization .
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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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