Coated magnetizable microparticles, reversible suspensions there

Chemistry: analytical and immunological testing – Involving an insoluble carrier for immobilizing immunochemicals – Carrier is inorganic

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252 6254, 427127, 427216, 427221, B32B 516

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044542348

ABSTRACT:
Coated magnetizable particles of sub-micron size are used to form reversible suspensions in which the particles may be magnetically aggregated and thereafter resuspended as desired. Each microparticle comprises a core composed essentially of a magnetically-responsive material having a Curie temperature within the range of about 5.degree. to 65.degree. C. and a magnetic moment at saturation of at least 2.0 .mu..sub.B at 4.2.degree. K., and a coating about the core formed of a solid cross-linked polymeric material having chemically reactive groups at the surface thereof.

REFERENCES:
patent: 3970518 (1976-07-01), Giaever
patent: 4018886 (1977-04-01), Giaever
patent: 4070246 (1978-01-01), Kennedy
patent: 4106488 (1978-08-01), Gordon
patent: 4115534 (1978-09-01), Ithakissios
patent: 4141687 (1979-02-01), Forrest
patent: 4177253 (1979-12-01), Davies
patent: 4247406 (1981-01-01), Widder et al.
patent: 4267234 (1981-05-01), Rembaum
patent: 4335094 (1982-06-01), Moshach
Nye et al., Solid-Phase, Magnetic Particle Radioimmunoassay, Clinica Chimica Acta. 69:387-396, (1976).
Nakamura et al., Magneto-Medicine: Biological Aspects of Ferromagnetic Fine Particles, J. App. Physics, 42:1320-1324, (1971).
Smith, M. L. in G. Herdan, Small Particle Statistics, Elsevier Publ. Co., Amsterdam, 1953, p. 471.
Narasimhan et al., Magnetic Properties of RMn.sub.2 X.sub.2 Compounds, AIP Conf. Proc. 29:594, (1975).
Garen et al., Biochim. Biophys. Acta, 38:470, (1960).
Graham et al., Am. J. Pathol., 76:285, (1974).
Narasimham et al., J. Appl. Physics, 46:4957-4960, (1975).
Ito, Y., M. A. Weinstein, I. Aoki, R. Harada, E. Kimura and K. Nunogaki, Nature, 212:985, (1966).
Kronick et al. in Science, 200:1074-1076, (1978).
Avrameas et al., C. R. hebd. Seanc. Acad. Sci. Paris, Series D, 273:2705, (1971).

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