20897
Previous experimental and theoretical studies have established that electrokinetic and aggregation properties of soft MS2 phages are not only governed by the physico - chemical features of their proteinaceous outer surface but are also significantly impacted by those of their inner RNA component ( Dika et al . Appl . Environ . Microbiol . , 2011 , 14 , 4939 - 4948 ) .
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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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