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Carbon Nanotube Array-based Nanosensor for Autonomous and Direct Measurement of Carbonate

Award Information
Agency: Department of Commerce
Branch: National Oceanic and Atmospheric Administration
Contract: WC-133R-17-CN-0062
Agency Tracking Number: 16-2-095
Amount: $399,910.36
Phase: Phase II
Program: SBIR
Solicitation Topic Code: 8.2.5R
Solicitation Number: NOAA-2016-2
Solicitation Year: 2017
Award Year: 2017
Award Start Date (Proposal Award Date): 2017-05-17
Award End Date (Contract End Date): 2019-05-21
Small Business Information
220 Reservoir Street, Suite 3
Needham Heights, MA 02494
United States
DUNS: 809963895
HUBZone Owned: No
Woman Owned: Yes
Socially and Economically Disadvantaged: No
Principal Investigator
 Yufeng Ma�
 (781) 449-2284
Business Contact
 Yufeng  Ma
Phone: (781) 449-2284
Research Institution

This program is aimed at the development of a deployable sensor for direct measurement of
carbonate ions in saline waters with a sensitivity of 5 μM. The sensor combines the selectivity
of carbonate ionophore with the unique structure of a carbon nanotube array to achieve a large
dynamic range, high specificity and sensitivity. Phase I was focused on demonstrating the
proof-of-principle concept for selective and sensitive detection of carbonate ions with a
sensitivity of 5 μM in saline waters. The specific objectives of the Phase I SBIR program were:
a) Demonstration of direct measurement of carbonate ion with a sensitivity of 5 μ, b)
Establishing the specificity for carbonate ion detection in sea water, c) Fast response time, d)
Dynamic range of 0 – 500 μM for carbonate detection and e) Initiation of the circuitry and
mechanical design for autonomous detection. Except for the complete dynamic range, all the
other objectives of Phase I have been achieved. Phase II work will involve increasing the
dynamic range in addition to design, develop and testing of a prototype sensor in conditions of
relevance to NOAA applications. Also, the system will be3 designed to enable integration with
existing infrastructure and communications protocols of NOAA.

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

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