20992
The ability of these peptides to block endotoxic effects caused by LPS , monitored through NO production in macrophages , was compared to peptide binding to LPS and its endotoxic component lipid A , and to size , charge , and secondary structure of peptide / LPS complexes .
 Chemical: NO
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: NO