10522
The BolA - structural peptide carriers can self - assemble into spherical nanoparticles with a hydrophilic core and shell , which are similar to the viral capsid and can bind plasmid DNA in an aqueous medium to form viral - mimetic complexes .
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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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