7301
Polarized light microscopy ( PLM ) revealed that formulation P is isotropic , whereas its 1 : 1 ( w / w ) dilution with artificial nasal mucus ( ANM ) changed the system to an anisotropic lamellar phase ( PD ) .
 None
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