11376
Dynamic Domains in Polymersomes : Mixtures of Polyanionic and Neutral Diblocks Respond More Rapidly to Changes in Calcium than to pH .
 Chemical: Calcium
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: Calcium