18341
Raman signals of commonly used scaffold components such as polylactide and polyvinyl alcohol as well as ECM component ( hyaluronic acid ) are significantly enhanced .
 Chemical: polylactide; Chemical: polyvinyl alcohol
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: polylactide; Chemical: polyvinyl alcohol