10911
The major problem in producing monodispersed diamond colloids lies in the necessity of deagglomeration of detonation soot and / or removing of clusters formed by already isolated core particles in dry powders .
 Chemical: diamond
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: diamond