5358
Optimized SLNs were having particle size of 180 . 6 +/- 2 . 32 nm ( PDI = 0 . 133 +/- 0 . 001 ) , 91 . 5 +/- 1 . 3 % entrapment efficiency and zeta potential of - 13 . 4 +/- 0 . 56 mV .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None