23041
Recessed generator - collector assemblies consisting of an array of recessed disks ( generator electrodes ) with a gold layer ( collector electrode ) deposited over the top - plane insulator reportedly allow increased selectivity and sensitivity during electrochemical detection of dopamine ( DA ) in the presence of ascorbic acid ( AA ) , a situation which is frequently encountered .
 Chemical: dopamine; Chemical: ascorbic acid
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: dopamine; Chemical: ascorbic acid