4580
Furthermore , the potential of this platform is demonstrated for ( i ) the in - depth characterization of BLMs comprising both synthetic and natural lipids ( 1 , 2 - diphytanoyl - sn - glycero - 3 - phosphocholine ( DPhPC ) and L - alpha - phosphatidylcholine ( L - alpha - PC ) / cholesterol , respectively ) in terms of seal resistance , capacitance , surface area , specific capacitance , and membrane hydrophobic thickness ; ( ii ) confocal microscopy imaging of phase separation in sphingomyelin / L - alpha - PC / cholesterol ternary membranes ; ( iii ) electrical measurements of individual nanopores ( alpha - hemolysin , gramicidin ) ; and ( iv ) indirect assessment of the alteration of membrane properties upon exposure to chemical stimuli using the natural nanopore gramicidin as a sensor .
 Chemical: 1 , 2 - diphytanoyl - sn - glycero - 3 - phosphocholine; Chemical: DPhPC; Chemical: L - alpha - phosphatidylcholine; Chemical: L - alpha - PC; Chemical: cholesterol; Chemical: sphingomyelin; Chemical: L - alpha - PC; Chemical: cholesterol; Chemical: gramicidin; Chemical: gramicidin
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: 1 , 2 - diphytanoyl - sn - glycero - 3 - phosphocholine; Chemical: DPhPC; Chemical: L - alpha - phosphatidylcholine; Chemical: L - alpha - PC; Chemical: cholesterol; Chemical: sphingomyelin; Chemical: L - alpha - PC; Chemical: cholesterol; Chemical: gramicidin; Chemical: gramicidin