18845
In particular , UV / ozone - treated gallium substrates ( UV - Ga ) immersed in an ODPA solution exhibited theta ( water ) close to 105 degrees .
 Chemical: ozone; Chemical: gallium; Chemical: Ga; Chemical: ODPA
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: ozone; Chemical: gallium; Chemical: Ga; Chemical: ODPA