19277
Immunostaining for RUNX2 and osteocalcin , and also histochemical staining with picrosirius red to demonstrate collage type 1 and Alizarin red to demonstrate calcium / mineralisation further demonstrated osteogenic differentiation and revealed regional staining associated with the locations of MPs within the aggregates .
 Chemical: Alizarin red; 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: Alizarin red; Chemical: calcium