| abstract |
An enzyme electrode having excellent sensitivity, excellent stability, and a longer operating life, and an enzyme sensor using the enzyme electrode are provided. The enzyme electrode includes an electrode 2 , a mesoporous silica material 3 formed on the electrode 2 , and enzyme 4 immobilized in a small cavity of the mesoporous silica material 3 . The size of the small cavity of the mesoporous silica material 3 is set to be 0.5 to 2.0 times the size of the enzyme 4. |