Microfluidic Cytometer for Complete Blood Count Analysis

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$70,000.00
Award Year:
2006
Program:
SBIR
Phase:
Phase I
Contract:
NNJ06JD51C
Award Id:
77696
Agency Tracking Number:
053889
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
44 Hunt Street, Watertown, MA, 02472
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
073804411
Principal Investigator:
Louis Strong, PhD
Principal Investigator
(617) 926-1167
lstrong@rmdinc.com
Business Contact:
Gerald Entine, PhD
President
(617) 926-1167
GEntine@RMDInc.com
Research Institute:
n/a
Abstract
RMD proposes to develop a MEMS based complete blood count (CBC) instrument that can be used aboard a spacecraft. We will produce a microfluidic scale combination cell counter-flow cytometer for CBC analyses that can be communicated to ground bases by telemetry. The blood analyzer will utilize innovative optical and fluidic designs on a modular platform that enable compactness, high sensitivity and cell discrimination, combined with robust service. No operator intervention is required. Modules that require direct contact with blood will be economical and disposable. These fluidic designs will be fabricated by microstereolithography and initially tested as two separate components. A first component will constitute a hydrodynamic focusing injector and cell impedance meter. A second component will monitor forward and side scattered light from hydrodynamically focused cells using novel signal collection designs and micrometer scale, Geiger-mode avalanche photodiodes. New, custom formulated photopolymers will be evaluated for microstereolithography use and electroless deposition of metals will form the basis for fabricating microelectrodes. During Phase II, the cell impedance transducer and microoptic modules will be integrated into one credit card size package that plugs into a handheld microelectronics board containing detectors, pump, microprocessors, and an automated cell lysing stage.

* information listed above is at the time of submission.

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