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:
Apr. 18, 2000

Filed:

Oct. 01, 1997
Applicant:
Inventors:

Charles H Wick, Darlington, MD (US);

David M Anderson, Cary, NC (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01N / ;
U.S. Cl.
CPC ...
422 8201 ; 73 2801 ; 73 2804 ; 73 3102 ; 422 70 ; 422 72 ; 422 81 ; 422 83 ; 422101 ; 435239 ; 436 36 ; 436 86 ; 436 89 ; 436 94 ; 436161 ; 436177 ; 436181 ; 530334 ;
Abstract

A system and method for detection, identification, and monitoring of submicron sized particles, the method including the steps of collecting a sample, extracting existing submicron particles from the collected sample based on density, purifying the extracted submicron particles by concentrating the extracted submicron particles based on size, and, detecting and identifying the purified extracted submicron particles based on size and density thereby determining submicron particles present in the collected sample. The submicron particles detected and identified include viruses and virus-like agents such as prions. Thus, virus and virus-like agents can be detected and identified based only on their physical properties without the use of biochemical reagents or assays. A system for carrying out the method of detection and identification of these particles is also disclosed.


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