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In the current research ricinoleic acid coated maghemite nanoparticles were successfully synthesized , characterized and incorporated in the polymeric matrix , resulting in nanosized magnetic polymeric particles .
 Chemical: ricinoleic acid; Chemical: maghemite
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: ricinoleic acid; Chemical: maghemite