Chemistry: analytical and immunological testing – Involving an insoluble carrier for immobilizing immunochemicals – Carrier is organic
Reexamination Certificate
2007-03-06
2007-03-06
Le, Long V. (Department: 1641)
Chemistry: analytical and immunological testing
Involving an insoluble carrier for immobilizing immunochemicals
Carrier is organic
C252S582000, C252S299010, C435S287700, C436S531000
Reexamination Certificate
active
11266189
ABSTRACT:
A method of sensing an environmental agent, comprising obtaining a sample from the environment and transferring the sample into the working fluid for dispensation to a detection module. The sample and working fluid mixture is filtered through a porous polymer Bragg grating. By comparing the refractive index of the grating with the mixture to the refractive index of a grating without the sample, a difference in the refractive index aids in the identification of a hazardous agent in the environment. The sensor also acts as a chemical filter by trapping specific target agents by a highly specific reaction with a conjugate molecule. Recirculation of the working fluid throughout the system provides a sensor that is “always on.”
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Brandelik Donna M.
Shepherd Christina K.
Sutherland Richard L.
Kilpatrick & Stockton LLP
Le Long V.
Lum Leon Y.
Science Applications International Corporation
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