SBIR Phase I: Self Calibrating, Wireless, Needle Implantable Sensor for Continuous Glucose Monitoring

Award Information
Agency: National Science Foundation
Branch: N/A
Contract: 1046902
Agency Tracking Number: 1046902
Amount: $150,000.00
Phase: Phase I
Program: SBIR
Awards Year: 2011
Solicitation Year: 2010
Solicitation Topic Code: BC
Solicitation Number: N/A
Small Business Information
23 Fellen Road, Storrs Mansfield, CT, 06269-0158
DUNS: 807026484
HUBZone Owned: Y
Woman Owned: Y
Socially and Economically Disadvantaged: Y
Principal Investigator
 Ioannis Tomazos
 (860) 486-9188
 gtomazos_osci@snet.net
Business Contact
 Ioannis Tomazos
Title: PhD
Phone: (860) 486-9188
Email: gtomazos_osci@snet.net
Research Institution
 Stub
Abstract
This Small Business Innovation Research (SBIR) Phase I project aims to develop a wireless, needle implantable miniaturized (0.5 x 0.5 x 5 mm) sensor for continuous glucose monitoring, with provisions for internal self-calibration without the need for frequent, external fingerpricking. The proposed internal self-calibration is enabled through the use of novel pulse-mode sensor operation which quantifies sensitivity drifts internally. Pulsed-mode operation also results in improved power management as well as long sensor lifetime. Biocompatible coatings release various tissue response modifiers to control tissue inflammation. The device can be inserted under the skin and similarly removed via a needle, thus avoiding surgical implantation/removal. Phase-I seeks to develop the internal self-calibration routines and demonstrate proof-of-concept ex vivo. Phase II will focus on extensive in vivo studies thereby facilitating commercialization. The broader/commercial impacts of this research are enormous considering that there is an urgent need for continuous glucose monitoring devices in view of the growing number of diabetics. Implantable glucose sensors that afford minimal user intervention present a viable alternative, although their "user-independent" nature is often undermined by necessity for frequent external calibration by finger-pricking. The proposed project will result in a truly "user-independent" operation of implantable glucose sensors. In addition, the proposed internal calibration methodology is universal to all biosensors used for metabolic monitoring, rendering competitive market edge and job creation. The project will be performed in the Technology Incubation Program (TIP), at University of Connecticut. This industrial/academic collaboration provides training for the graduate and undergraduate students in the field ofbiosensors.

* Information listed above is at the time of submission. *

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