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Updated: Jul 10, 2026

Simple Continuous Glucose Monitoring in Freely Moving Mice
Published on: February 24, 2023
A dual-rate Kalman filter for continuous glucose monitoring
Matthew Kuure-Kinsey1, Cesar C Palerm, B Wayne Bequette
1Isermann Department of Chemical & Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY 12180-3590, USA.
Abstract:
A dual-rate Kalman filter is developed for realtime continuous glucose monitoring. Frequent (5 minute) sampling of a noisy, continuous glucose sensor is used for estimation of glucose and its rate-of-change. Infrequent (8 hour intervals) reference glucose meter samples enable the sensor gain and its rate-of-change to be updated. The dual-rate Kalman filter formulation accounts for uncertainty in both the continuous glucose sensor and the reference glucose meter. The method is tested on simulated and experimental data, confirming its superiority to simple one-point calibration.
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