14027
Furthermore , co - injection of encapsulated Nod - ligands with PLA particles carrying Gag p24 HIV - 1 antigen allowed a 100 fold increase in antibody responses in comparison to Alum .
 Chemical: PLA
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: PLA