20744
Dynamic light scattering ( DLS ) studies reveal linear increase in the droplet size and aggregation number of the RMs with increasing XIgepal ( mole fraction of Igepal in the surfactant mixture ) .
 Chemical: Igepal
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: Igepal