NDLI: A pharmacokinetic model of a tissue implantable insulin sensor.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Bisker, Gili Iverson, Nicole M. Ahn, Jiyoung Strano, Michael S.
Description	Country affiliation: United States Author Affiliation: Bisker G ( Department of Chemical Engineering, Massachusetts Institute of Technology, 77 Massachusetts Avenue, Cambridge, MA, 02139, USA.)
Abstract	While implantable sensors such as the continuous glucose monitoring system have been widely studied, both experimentally and mathematically, relatively little attention has been applied to the potential of insulin sensors. Such sensors can provide feedback control for insulin infusion systems and pumps and provide platforms for the monitoring of other biomarkers in vivo. In this work, the first pharmacokinetic model of an affinity sensor is developed for insulin operating subcutaneously in the limit of where mass transfer across biological membranes reaches a steady state. Using a physiological, compartmental model for glucose, insulin, and glucagon metabolism, the maximum sensor response and its delay time relative to plasma insulin concentration, are calculated based on sensor geometry, placement, and insulin binding parameters for a sensor localized within adipose tissue. A design relation is derived linking sensor dynamics to insulin time lag and placement within human tissue. The model should find utility in understanding dynamic insulin responses and forms the basis of model predictive control algorithms that incorporate sensor dynamics.
File Format	HTM / HTML
ISSN	21922640
Issue Number	1
Volume Number	4
e-ISSN	21922659
Journal	Advanced Healthcare Materials
Language	English
Publisher	Wiley-VCH
Publisher Date	2015-01-07
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Biomedical Engineering Biosensing Techniques Electrodes, Implanted Insulin Models, Biological Humans Analysis Pharmacokinetics Pharmacology Journal Article Research Support, N.i.h., Extramural Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Biomaterials Biomedical Engineering Pharmaceutical Science

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