95228
It is used to stain acidic polysaccharides such as glycosaminoglycan s in cartilage s and other body structures , some types of mucopolysaccharide s , sialylated glycocalyx of cells etc. .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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