24128
We demonstrate in this article efficient photon transfer in discrete optoplasmonic molecules comprising gold nanoparticle ( NP ) dimer antennas located in the evanescent field of a 2 mu m diameter polystyrene bead , which served as an optical microcavity ( OM ) .
 Chemical: polystyrene
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: polystyrene