Diabetes mellitus is a group of dysmetabolic syndrome resulted
from genetic cause, metabolic diseases, autoimmune disorders,
microorganism infection, toxins, etc. Diabetic emergency such as
hyperglycemia and hypoglycemia needs to be avoided, and it is also
quite necessary to confirm the effectiveness of clinical treatment.
Therefore, testing of physiological glucose levels for normal people
and diabetics is critical. Glucose sensors, as one of the most popular
electrochemical biosensors, have been extensively developed
and applied in clinical testing of diabetes, biological and chemical
analysis and food industry