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In this paper , we have developed uniform curcumin - bearing PLGA nanoparticles by a single - emulsion process , which exhibited a curcumin release following a Fickian - law diffusion over 10 days in vitro .
 Chemical: curcumin; Chemical: PLGA; Chemical: curcumin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: curcumin; Chemical: PLGA; Chemical: curcumin