24600
We measured Ca ( 2 + ) / H ( + ) - antiport activity in vesicles and granules of pheochromocytoma PC12 cells by three methods : ( 1 ) Ca ( 2 + ) - induced dissipation of the vesicular H ( + ) - gradient ; ( 2 ) bafilomycin - sensitive calcium accumulation and ( 3 ) pH - jump - induced calcium accumulation .
 Chemical: Ca ( 2 + ); Chemical: H ( + ); Chemical: Ca ( 2 + ); Chemical: H ( + ); Chemical: bafilomycin; Chemical: calcium; 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: Ca ( 2 + ); Chemical: H ( + ); Chemical: Ca ( 2 + ); Chemical: H ( + ); Chemical: bafilomycin; Chemical: calcium; Chemical: calcium