Chemistry: analytical and immunological testing – Involving an insoluble carrier for immobilizing immunochemicals – Carrier is inorganic
Reexamination Certificate
2008-07-08
2008-07-08
Lam, Ann Y. (Department: 1641)
Chemistry: analytical and immunological testing
Involving an insoluble carrier for immobilizing immunochemicals
Carrier is inorganic
Reexamination Certificate
active
07396690
ABSTRACT:
A method for treating magnetic particles present in a solution in a container by redispersion, rinsing or displacement, the particles having novel characteristics under the effect of a specific magnet and being associated or not with biological entities. The magnetic particles undergo at least one low-intensity magnetization where they are disposed in filaments oriented according to the north-south axis of the magnet; the magnetization source and/or container is/are displaced while the magnetic effect is maintained on the magnetic particles; the magnetization source and/or container is/are displaced or the, magnetization is stopped, in order to suppress the magnetic field on the magnetic particles. Preferably, the invention can be used in the field of biology.
REFERENCES:
patent: 6432630 (2002-08-01), Blankenstein
patent: 02-107968 (1990-04-01), None
patent: WO 97/16835 (1997-05-01), None
patent: WO 01/05510 (2001-01-01), None
Fermigier et al., “Structure Evolution In a Paramagnetic Latex Suspension,” 122J. Magnetism and Magnetic Materials46-50 (1993).
Biomerieux S.A.
Foley & Lardner LLP
Lam Ann Y.
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