Chemistry: analytical and immunological testing – Involving an insoluble carrier for immobilizing immunochemicals – Carrier is inorganic
Reexamination Certificate
2005-12-30
2008-08-12
Chin, Christopher L (Department: 1641)
Chemistry: analytical and immunological testing
Involving an insoluble carrier for immobilizing immunochemicals
Carrier is inorganic
C310S311000, C310S31300R, C435S006120, C436S524000, C436S525000, C436S527000, C436S172000, C436S805000
Reexamination Certificate
active
07410811
ABSTRACT:
The present invention relates to an analytical method and device utilizing magnetic materials and acoustics sensor. The invention employs a magnetic material modified with specific recognizable molecules to capture a substance in a sample and provides an external magnetic field to draw the magnetic material to an sensing region of an acoustics sensor, and then converts an effect occurred on a surface of the sensing region to an amount of the substance in the sample, wherein the effect is caused by a contact of the surface with the magnetic material and the substance.
REFERENCES:
patent: 2003/0012693 (2003-01-01), Otillar et al.
patent: 2005/0082944 (2005-04-01), Thompson et al.
Li et al, “Piezoelectric immunosensor based on magnetic nanoparticles with simple immobilization procedures”, Analytica Chimica Acta 481(2), 2003, pp. 191-198.
Chau Chi Min
Cho Hui Ju
Lee Kun Feng
Lin Yuh Jiuan
Bacon & Thomas PLLC
Chin Christopher L
Industrial Technology Research Institute
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