10806
The capillary containing the frozen sheath - flow is subsequently separated from the flow - focusing unit and trimmed with cryo - ultramicrotomy for imaging with cryo - scanning electron microscopy ( SEM ) .
 None
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:  
Answer:
 None