9572
The use of diethylaminoethyl microspin column to isolate spiked lunasin in human plasma showed that most lunasin ( 37 . 8 - 46 . 5 % ) bound to the column eluted with Tris - HCl buffer , pH 7 . 5 with a yield up to 76 . 6 % .
 Chemical: diethylaminoethyl; Chemical: Tris - HCl
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: diethylaminoethyl; Chemical: Tris - HCl