635
Either a UV detector set at 268 nm or an electrochemical ( EC ) detector set at a potential of + 0 . 9 V ( versus Ag / AgCl / 3 M NaCl ) was used to monitor the drug .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 None