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
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None