19370
Using force - distance curve ( F - D ) - based AFM we imaged purple membranes while force probing their mechanical response over a wide range of loading rates ( from ~ 0 . 5 to 100 mu N / s ) .
 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