Test cell for magnetic immunoreaction assay and method for...

Chemistry: molecular biology and microbiology – Measuring or testing process involving enzymes or... – Involving antigen-antibody binding – specific binding protein...

Reexamination Certificate

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C435S007400, C435S007900, C435S174000, C436S501000, C424S094100

Reexamination Certificate

active

07572593

ABSTRACT:
A test cell for magnetic immunoreaction assay, comprising a polymer having a quantity of residual magnetism of 15 pT or less, when a magnetic field is applied under a magnetic field of 0.1 T, and with a distance between a sample and a SQUID sensor being set at 1.5 mm, and a method for producing the test cell are provided. A test cell for magnetic immunoreaction assay, comprising a polymer having a metal content of 30 ppb or less, and a method for producing the test cell are also provided. A magnetic signal detected from a magnetic marker to be measured is not buried in or lost to the residual magnetic signal of the test cell itself, but data discrimination can be made clearly.

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Keiji Enpuku “Biological Immunoassay with a SQUID Magnetometer” Teion Kogaku (Cryogenics), vol. 38, No. 9, pp. 469-476 (2003).
Keiji Enpuku “Antigen-Antibody Reaction Assay with a SQUID system” Oyo Butsuri (Applied Physics), vol. 70, No. 1, p. 48 (2001).

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