20143
In this review several in vivo biodistribution studies and pharmacological proof - of evidence of brain delivery of model drugs are reported , demonstrating the ability of g7 - NPs to create BBB interaction and trigger an efficacious BBB crossing .
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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:
 None