4489
We report the bindings of several lipids cholesterol ( Chol ) , 1 , 2 - dioleoyl - 3 - trimethylammonium - propane ( DOTAP ) , dioctadecyldimethylammoniumbromide ( DDAB ) , and dioleoylphosphatidylethanolamine ( DOPE ) to dendrimers of different compositions such as mPEG - PAMAM ( G3 ) , mPEG - PAMAM ( G4 ) , and PAMAM ( G4 ) under physiological conditions .
 Chemical: cholesterol; Chemical: Chol; Chemical: 1 , 2 - dioleoyl - 3 - trimethylammonium - propane; Chemical: DOTAP; Chemical: dioctadecyldimethylammoniumbromide; Chemical: DDAB; Chemical: dioleoylphosphatidylethanolamine; Chemical: DOPE; Chemical: mPEG - PAMAM; Chemical: mPEG - PAMAM; Chemical: PAMAM
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: cholesterol; Chemical: Chol; Chemical: 1 , 2 - dioleoyl - 3 - trimethylammonium - propane; Chemical: DOTAP; Chemical: dioctadecyldimethylammoniumbromide; Chemical: DDAB; Chemical: dioleoylphosphatidylethanolamine; Chemical: DOPE; Chemical: mPEG - PAMAM; Chemical: mPEG - PAMAM; Chemical: PAMAM