12534
In this study , perfluoropentane ( PFC5 ) emulsions were encapsulated inside folated eLiposomes carrying a model drug ( calcein ) or a model GFP plasmid to examine the effects of a folate ligand , PFC5 emulsion and various ultrasonic acoustic parameters in drug delivery and gene transfection into HeLa cells .
 Chemical: perfluoropentane; Chemical: PFC5; Chemical: calcein; Chemical: folate; Chemical: PFC5
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: perfluoropentane; Chemical: PFC5; Chemical: calcein; Chemical: folate; Chemical: PFC5