11974
Cross - linking time was 5 h and glutaraldehyde 3 . 5 % ( v / v ) was used as cross - linker .
 Chemical: glutaraldehyde
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: glutaraldehyde