22153
Once warmed to 37 degrees C , secondary DNA targets are released from the gelatin template and then competitively displace the shorter , original hybridization partners on the polystyrene microspheres .
 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