19563
Here , we show that novel hyaluronic acid ( HA ) - based nanocapsules containing the antimicrobial agent polyhexanide are specifically cleaved in the presence of hyaluronidase , a factor of pathogenicity and invasion for bacteria like Staphylococcus aureus and Escherichia coli .
 Chemical: polyhexanide
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: polyhexanide