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:
Jun. 29, 2021

Filed:

Apr. 19, 2019
Applicant:

The Regents of the University of California, Oakland, CA (US);

Inventors:

Jeffrey I. Zink, Sherman Oaks, CA (US);

Bastian Ruehle, Los Angeles, CA (US);

Marcus A. Horwitz, Los Angeles, CA (US);

Daniel L. Clemens, Los Angeles, CA (US);

Bai-Yu Lee Clemens, Los Angeles, CA (US);

Assignee:
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N 33/543 (2006.01); A61K 47/69 (2017.01); A61P 31/04 (2006.01); A61K 39/12 (2006.01); A61K 47/68 (2017.01); A61P 31/12 (2006.01); A61K 39/02 (2006.01); A61K 39/00 (2006.01);
U.S. Cl.
CPC ...
A61K 47/6929 (2017.08); A61K 39/02 (2013.01); A61K 39/12 (2013.01); A61K 47/6803 (2017.08); A61K 47/6835 (2017.08); A61K 47/6839 (2017.08); A61P 31/04 (2018.01); A61P 31/12 (2018.01); G01N 33/54346 (2013.01); A61K 2039/60 (2013.01);
Abstract

In various embodiments nanoparticle drug delivery vehicles are provided that specifically deliver a cargo to a target pathogenic organism. In certain embodiments the drug delivery vehicle comprises a mesoporous silica nanoparticle comprising a plurality of pores and an outer surface through which the pores are disposed; a cargo disposed in the pores; one or more antigens attached to the surface of the nanoparticle; an antibody that specifically binds the antigens and are bound to the antigens, wherein the antibody inhibits diffusion of the cargo out of the pores and permit release of the cargo when the drug delivery vehicle is in the presence of the antigen or a pathogen displaying the antigen.


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