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Title: Method for Operating a Sensor to Differentiate Between Analytes in a Sample

Patent ·
OSTI ID:827542

Disclosed is a method for operating a sensor to differentiate between first and second analytes in a sample. The method comprises the steps of determining a input profile for the sensor which will enhance the difference in the output profiles of the sensor as between the first analyte and the second analyte; determining a first analyte output profile as observed when the input profile is applied to the sensor; determining a second analyte output profile as observed when the temperature profile is applied to the sensor; introducing the sensor to the sample while applying the temperature profile to the sensor, thereby obtaining a sample output profile; and evaluating the sample output profile as against the first and second analyte output profiles to thereby determine which of the analytes is present in the sample.

Research Organization:
National Institute of Standards and Technology, Gaithersburg, MD (US)
Sponsoring Organization:
USDOE Office of Environmental Management (EM) (US)
Assignee:
DOEEMSP
Patent Number(s):
6,095,681
Application Number:
R&D Project: EMSP 65421; 09/123,510; 123510; TRN: US200426%%28
OSTI ID:
827542
Resource Relation:
Other Information: PBD: 28 Jul 1998
Country of Publication:
United States
Language:
English

References (3)

A comparative study of signal processing techniques for clustering microsensor data (a first step towards an artificial nose) journal June 1997
Dynamic Modeling and Optimization of Micro-Hotplate Chemical Gas Sensors journal June 1997
Kinetically Controlled Chemical Sensing Using Micromachined Structures journal May 1998