11951
We are proposing folate - decorated polymeric nanoparticles as carriers of poorly soluble drug molecules for intracellular and prolonged delivery to retinal pigment epithelium ( RPE ) cells .
 Chemical: folate
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: folate 
Answer:
 Chemical: folate