Tuning the Localized Microenvironment near a Continuous Glucose Meter to Ensure Monitoring Accuracy and Longevity by Plasma-Induced Grafting Zwitterionic Brushes
2024

Improving Continuous Glucose Monitoring with Zwitterionic Coating

Sample size: 8 publication 10 minutes Evidence: high

Author Information

Author(s): Shin Syuan-Jia, Lo Pei-Chen, Wu Yen-Ting, Shao Huai-Hsaun, Li Dai-Jin, Weng Yung-Cheng, Chen You-Yin, Liu Ta-Chung

Primary Institution: National Yang Ming Chiao Tung University

Hypothesis

Can a zwitterionic brush coating improve the accuracy and longevity of continuous glucose monitors?

Conclusion

The zwitterionic brush coating significantly enhances the performance and accuracy of continuous glucose monitors, especially during acute inflammation.

Supporting Evidence

  • The zwitterionic brush-coated CGM showed better glucose tracking and reduced noise compared to the uncoated sensor.
  • The Z-coated CGM maintained decent sensitivities for 12 days in protein-rich serum.
  • Histological analysis showed reduced tissue response around Z-coated CGMs compared to uncoated ones.
  • The zwitterionic coating improved the accuracy of CGM readings during acute inflammation.

Takeaway

This study shows that a special coating on glucose sensors helps them work better and last longer, making it easier for people with diabetes to monitor their blood sugar without pain.

Methodology

The study involved atmospheric plasma-induced grafting of a zwitterionic brush coating on glucose sensors and evaluated their performance in vitro and in vivo.

Limitations

Control over the thickness of the zwitterionic layer and uniform coating on nonplanar electrodes are challenging.

Participant Demographics

Eight-week-old male Sprague–Dawley rats were used for in vivo experiments.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1021/acssensors.4c01921

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