20170
Zinc oxide nanoparticles ( ZnO - np ) are used in an increasing number of industrial products such as paint , coating and cosmetics , and in other biological applications .
 Chemical: Zinc oxide; Chemical: ZnO
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: Zinc oxide; Chemical: ZnO