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The present study was conducted to examine the feasibility of nimodipine - loaded PLGA microparticles suspended in Tisseel (TM) fibrin sealant as an in situ forming depot system .
 Chemical: nimodipine; Chemical: PLGA
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: nimodipine; Chemical: PLGA