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Published on: September 19, 2017
Development of a Portable Blood Sugar Apparatus and GOD Enzyme Strip
Chen Zhen-Cheng1, Zhao Yu-Qian, Tang Jing-Tian
1Inst. of Biomed. Eng., Central South Univ., Changsha.
Summary
A new pocket blood sugar apparatus uses an enzyme electrode for accurate glucose measurement. This device offers higher sensitivity and reliable results consistent with larger instruments.
Area of Science:
- Biomedical Engineering
- Analytical Chemistry
- Biosensors
Background:
- Accurate blood glucose monitoring is crucial for diabetes management.
- Existing glucose monitoring devices have limitations in sensitivity and portability.
Purpose of the Study:
- To develop and evaluate a novel pocket blood sugar apparatus utilizing an enzyme electrode.
- To assess the performance of the apparatus in terms of measurement range, linearity, and sensitivity.
Main Methods:
- Design of an enzyme electrode using carbon and silver plasma as conducting materials.
- Utilization of glucose oxidase as the sensing medium for blood sugar measurement.
- Integration of a single-chip microcomputer (AD mu C812) for data processing and control.
Main Results:
- The apparatus demonstrated a glucose measurement range of 50-500 mg/dL.
- Excellent linearity was observed with a fit coefficient of 0.985.
- The developed biosensor exhibited significantly higher sensitivity compared to current glucose biosensors.
Conclusions:
- The pocket blood sugar apparatus provides a sensitive and reliable method for blood glucose measurement.
- The results obtained are consistent with those from large biochemical instruments, indicating high accuracy.
- This portable device has the potential to improve blood glucose monitoring for individuals with diabetes.

