Design and Testing of Hydrogel Gel-Based Affinity Glucose Micro and Nanosensors
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Continuous glucose monitoring (CGM) involves repetitive measurement of physiological glucose concentration to enable close monitoring and timely correction of problematic blood sugar patterns of patients with diabetes mellitus, thereby reducing the risk of diabetes-related complications and ultimately allowing closed-loop blood sugar monitoring and insulin administration. Commercially available CGM sensors that use electrochemical methods are currently hindered by limitations such as low accuracy (especially at hypoglycemic glucose concentrations), poor stability, and long lag times. We aim to address these issues by developing a subcutaneously implantable affinity microsensor for continuous monitoring of glucose in interstitial fluid.