19652
In our previous report , we successfully recorded the channel conductance of alpha - hemolysin in a bilayer lipid membrane using a droplet contact method that can create a spontaneous lipid bilayer at the interface of contacting droplets ; this method is widely used as highly efficient method for preparing planar lipid membranes .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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