10805
The microfluidic device is composed of capillaries to hydrodynamically focus a stream of lipids dissolved in 2 - propanol by two adjacent aqueous buffer streams before rapidly cooling by propane jet - freezing .
 2 - propanol
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: Chemical 
Text: {0} 
Answer:
 2 - propanol