27900
Here , we report that SR - EELS measurements allow the direct identification and study of the biological moieties ( protein G and anti - HRP antibody ) in complex bionanocarriers of relevance for biomedical applications .
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Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
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