Method for determining hCG levels in fluid samples

Chemistry: analytical and immunological testing – Involving diffusion or migration of antigen or antibody

Reexamination Certificate

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C435S007100, C435S007200, C435S007930, C435S007940, C435S007500, C435S287100, C435S287200, C435S287900, C435S805000, C435S969000, C435S970000, C435S973000, C436S518000, C436S531000, C436S533000, C436S808000

Reexamination Certificate

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07989217

ABSTRACT:
The subject invention is an immunoassay for the semi-quantitative test kit for determination of human chrionic gonadtropin (hCG) in fluid sample (such as urine) as an aid in the diagnosis of a certain stage of pregnancy. The test device includes five strips having each having a dipping end or sample ends where sample can be applied. Results are indicated by coloration of two bands across a clear area of the strips, one band being coated with a reagent such as hCG antigens and the other with a reagent such as goat/rabbit polyclonal antibody gold conjugate. The combination of color indications on the bands provides the test results.

REFERENCES:
patent: 7326578 (2008-02-01), Bateman et al.
patent: WO 88/08534 (1988-11-01), None

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