5365
Various molecular weights and concentrations of the water - soluble cationic polymer poly - L - lysine ( PLL ) were used to modify the surface of submicronized ( 100 nm ) liposomes .
 Chemical: poly - L - lysine; Chemical: PLL
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: poly - L - lysine; Chemical: PLL