18978
Regarding the mechanism of action of PLD , our pH - gradient PAMPA system is the first noncell based model to mimic one - way transport of cationic amphiphilic drugs ( CADs ) from cytosol to the lysosome .
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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