1452
Hydrogels can eliminate limitations of standard therapy for LSCD , because they present all the advantages of AM ( i . e . biocompatibility , inertness and a biodegradable structure ) but unlike AM , they are structurally uniform and can be easily manipulated to alter mechanical and physical properties .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None