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.
Patent No.:
Date of Patent:
Jun. 04, 1996
Filed:
May. 09, 1994
Applicant:
Inventor:
Jurgen Horn, Egelsbach, DE;
Assignee:
Biotest Aktiengesellschaft, Dreieich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12Q / ; C12Q / ;
U.S. Cl.
CPC ...
435 52 ; 435 29 ; 435-4 ; 435863 ; 435864 ; 435865 ; 435866 ;
Abstract
A method of visually demonstrating the growth of such microorganisms as fungi, yeasts, and bacteria, especially mycobacteria, identifying them, and testing them for sensitivity to antibiotics by the color change of a specific redox indicator system. A mixture of the redox indicators Methylene Blue and resazurin is added to the culture medium. Iron(III) salts mixed with K.sub.3 Fe(CN).sub.6, Iron(II) salts mixed with K.sub.4 Fe(CN).sub.6, or sodium tungstate (Na.sub.2 WO.sub.4) is added to the culture medium.