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Materials, method and apparatus for detection and monitoring of chemical species

Patent image
NRL

A method for investigating a target environment to determine whether or in what amount a chemical species may be present therein, which comprises: (a) exposing to said environment an article of manufacture comprising a multiplicity of particles in close-packed orientation, said particles having a core of conductive metal or conductive metal alloy and deposited thereon a ligand which is capable of interacting with said species such that a property of said multiplicity of particles is altered; (b) subjecting said multiplicity of particles to conditions sufficient for said property to be exhibited; and (c) monitoring said property to determine whether there is, or the amount of, any change as an indication of whether, or in what amount, said species is present; a multiplicity of particles suitable for use in such method; and equipment suitable for implementing the method.

Inventors: 
Snow, Arthur W.; Wohltjen, Henry
Patent Number: 
Technical domain: 
Sensors and Measurement
FIle Date: 
2000-04-06
Grant Date: 
2008-03-25
Grant time: 
2,910 days
Grant time percentile rank: 
53
Claim count percentile rank: 
10
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
US NAVY