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Furthermore , we could show that the GSH level decreased significantly after exposure to magnetite particles , while catalase ( CAT ) activity was increased .
 Chemical: GSH; Chemical: magnetite
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: GSH; Chemical: magnetite