Magnetically responsive composition for carrying biologically ac

Details Magnetically responsive composition for carrying biologically ac Magnetically responsive composition for carrying biologically ac

1994-01-26

1996-08-27

Page, Thurman K.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

424489, 424 932, A61K 916

Patent

active

055499155

ABSTRACT:
A magnetically controllable, or guided, carrier composition and methods of use and production are disclosed, the composition for carrying biologically active substances to a treatment zone in a body under control of a magnetic field. The composition comprises composite, volume-compounded ferrocarbon particles of 0.2 to 5.0 .mu.m in size, and preferably between 1.0 and 4.0 .mu.m, containing 1.0 to 95.0% by volume of carbon, and preferably between about 20 and 50%. The particles are produced by a joint deformation of a mechanical mixture of iron and carbon powders. The obtained particles are placed in a solution of a biologically active substance to absorb the substance onto the particles. The combination is administered in suspension.

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