Xin Su

US Patent:

7205114, Apr 17, 2007

Filed:

May 13, 2004

Appl. No.:

10/846380

Inventors:

Harry Prince - Los Angeles CA, US
Xin Su - Irvine CA, US
Lilly Kong - Covina CA, US
Celine Ngo, legal representative - Garden Grove CA, US
Sergei Arakelov - Santa Monica CA, US
Wayne Hogrefe - Lake Forest CA, US

Assignee:

Focus Technologies, Inc. - Cypress CA

International Classification:

G01N 33/53

US Classification:

435 71

Abstract:

The present invention relates to oxidized fungal antigens and methods of making and using thereof. More particularly, the present invention provides a method for producing an oxidized fungal antigen in culture filtrate. The present invention also provides for the produced oxidized fungal antigens. Devices comprising such oxidized fungal antigens, methods for testing for fungal antibodies using the oxidized fungal antigens and methods for producing anti-fungal antibodies using oxidized fungal antigens are further provided. Antigen detection devices comprising anti-fungal antibodies raised against oxidized fungal antigens produced by the present methods are further provided.

US Patent:

7763460, Jul 27, 2010

Filed:

Dec 6, 2005

Appl. No.:

11/296571

Inventors:

Xin Su - Irvine CA, US
Lilly Kong - Covina CA, US
Wayne Hogrefe - Cypress CA, US

Assignee:

Focus Diagnostics, Inc. - Herndon VA

International Classification:

C12N 5/06

US Classification:

435345, 435 5

Abstract:

The invention provides methods for sensitive and specific detection of anti-HSV-2 antibodies by depletion of cross-reactive (non-specific) antibodies in a biological sample that can lead to a false positive result. The invention also features compositions, including nucleic acids, polypeptides, and kits, for use in the methods of the invention.

US Patent:

20030124630, Jul 3, 2003

Filed:

Dec 21, 2001

Appl. No.:

10/028181

Inventors:

Harry Prince - Los Angeles CA, US
Xin Su - Irvine CA, US
Lilly Kong - Covina CA, US
Ken Devor - Cypress CA, US
Sergei Arakelov - Los Angeles CA, US
Wayne Hogrefe - Lake Forest CA, US

International Classification:

G01N033/53
G01N033/569
G01N033/554

US Classification:

435/007320

Abstract:

The present invention relates to oxidized fungal antigens and methods of making and using thereof. More particularly, the present invention provides a method for producing an oxidized fungal antigen in culture filtrate. The present invention also provides for the produced oxidized fungal antigens. Devices comprising such oxidized fungal antigens, methods for testing for fungal antibodies using the oxidized fungal antigens and methods for producing anti-fungal antibodies using oxidized fungal antigens are further provided. Antigen detection devices comprising anti-fungal antibodies raised against oxidized fungal antigens produced by the present methods are further provided.

US Patent:

20110059553, Mar 10, 2011

Filed:

Jun 23, 2010

Appl. No.:

12/822104

Inventors:

Xin Su - Irvine CA, US
Lilly Kong - Covina CA, US
Wayne Hogrefe - Lake Forest CA, US

International Classification:

G01N 33/566

US Classification:

436501

Abstract:

The invention provides methods for sensitive and specific detection of anti-HSV-2 antibodies by depletion of cross-reactive (non-specific) antibodies in a biological sample that can lead to a false positive result. The invention also features compositions, including nucleic acids, polypeptides, and kits, for use in the methods of the invention.