1976
RESULTS : Since 2005 , the 10 - min loading dose of our dexmedetomidine protocol increased from 2 to 3 microg . kg ( - 1 ) , and the infusion rate increased from 1 to 1 . 5 to 2 microg . kg ( - 1 ) . h ( - 1 ) .
 Chemical: dexmedetomidine
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Disease, Chemical 
Text: {0} 
Answer:
 Chemical: dexmedetomidine