Chemistry: analytical and immunological testing – Measurement of electrical or magnetic property or thermal... – By means of a solid body in contact with a fluid
Reexamination Certificate
2005-05-27
2009-08-18
Alexander, Lyle A (Department: 1797)
Chemistry: analytical and immunological testing
Measurement of electrical or magnetic property or thermal...
By means of a solid body in contact with a fluid
C436S063000, C422S082010, C422S090000, C422S098000, C438S048000, C438S049000, C977S840000, C977S855000, C977S882000, C977S920000, C977S957000, C977S958000
Reexamination Certificate
active
07575933
ABSTRACT:
An electronic system for selectively detecting and identifying a plurality of chemical species, which comprises an array of nanostructure sensing devices, is disclosed. Within the array, there are at least two different selectivities for sensing among the nanostructure sensing devices. Methods for fabricating the electronic system are also disclosed. The methods involve modifying nanostructures within the devices to have different selectivity for sensing chemical species. Modification can involve chemical, electrochemical, and self-limiting point defect reactions. Reactants for these reactions can be supplied using a bath method or a chemical jet method. Methods for using the arrays of nanostructure sensing devices to detect and identify a plurality of chemical species are also provided. The methods involve comparing signals from nanostructure sensing devices that have not been exposed to the chemical species of interest with signals from nanostructure sensing devices that have been exposed to the chemical species of interest. Nanostructure sensing device array structures that can measure and subtract out environmental factors are also disclosed.
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Bradley Keith
Collins Philip G.
Gabriel Jean-Christophe P.
Gruner George
Alexander Lyle A
Nanomix Inc.
Weaver Austin Villeneuve & Sampson LLP
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