The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Mar. 20, 2018

Filed:

Mar. 29, 2012
Applicants:

Gyoo Yeol Jung, Pohang-si, KR;

Sang Woo Seo, Seoul, KR;

Jinyoung Chun, Anyang-si, KR;

Jinwoo Lee, Seoul, KR;

Inventors:

Gyoo Yeol Jung, Pohang-si, KR;

Sang Woo Seo, Seoul, KR;

Jinyoung Chun, Anyang-si, KR;

Jinwoo Lee, Seoul, KR;

Assignee:

POSTECH ACADEMY-INDUSTRY FOUNDATION, Pohang-si, Gyeongsangbuk-Do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01G 53/04 (2006.01); C07K 1/14 (2006.01); C07K 1/22 (2006.01); C01G 53/00 (2006.01); H01F 1/00 (2006.01); H01F 1/36 (2006.01); B82Y 30/00 (2011.01);
U.S. Cl.
CPC ...
C01G 53/04 (2013.01); C01G 53/40 (2013.01); C07K 1/14 (2013.01); C07K 1/22 (2013.01); H01F 1/0054 (2013.01); B82Y 30/00 (2013.01); C01P 2002/72 (2013.01); C01P 2002/85 (2013.01); C01P 2004/03 (2013.01); C01P 2004/04 (2013.01); C01P 2004/64 (2013.01); C01P 2006/12 (2013.01); C01P 2006/14 (2013.01); C01P 2006/17 (2013.01); C01P 2006/42 (2013.01); H01F 1/36 (2013.01); Y10T 428/2982 (2015.01);
Abstract

The present invention relates to a method for preparing a nickel ferrite nanoparticle composite having an inverse spinel structure obtained using a polyol process, a nickel ferrite nanoparticle composite prepared by the method, and a method for selectively binding, separating or purifying a specific protein using the nickel ferrite nanoparticle composite. The method for preparing a magnetic nanoparticle composite according to the present invention includes a one-step hydrothermal synthesis process, and thereby the magnetic nanoparticle composite can be prepared in a simple and economic manner. Also, the nickel ferrite nanoparticles synthesized by the method of the present invention can be strongly magnetic, and also exist in the form of Niin which Ni binds to a specific protein, thereby preventing loss of separability caused by additional oxidation and repeated recycling of the nanoparticles.


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