13901
After application of Mn ( 0 - 400 mu M ) for 24h , there was a dose - dependent increase in average percentage of propidium iodide positive ( PI ( + ) ) nuclei in slices and levels of lactate dehydrogenase ( LDH ) in the culture medium .
 Chemical: Mn; Chemical: propidium iodide; Chemical: lactate
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities: Mn, propidium iodide, lactate 
Answer:
 Chemical: Mn; Chemical: propidium iodide; Chemical: lactate