| 摘要 |
PCT No. PCT/US90/04348 Sec. 371 Date Mar. 26, 1992 Sec. 102(e) Date Mar. 26, 1992 PCT Filed Aug. 3, 1990 PCT Pub. No. WO91/02704 PCT Pub. Date Mar. 7, 1991.Ferritin analogs comprising an apoferritin protein shell and a core substantially devoid of ferrihydrite, e.g. of inorganic composition such as aluminum hydroxide or organic composition such as acetaminophen. The protein shell can be removed from ferritin analog to produce spherules having a substantially monomodal nominal diameter between about 45 and 100 Angstroms.
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