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:
Jul. 08, 2003
Filed:
Jul. 31, 2000
Stefan Müllner, Langenfeld, DE;
Thomas Neumann, Frankfurt, DE;
Abstract
A method for disrupting frozen cells and/or tissue in a solid, frozen state in the presence of a solid denaturing substance is provided. The method comprises providing frozen cells and/or tissue in frozen solid form, adding thereto the solid denaturing substance in sold form, and applying mechanical force thereto for disruption of the frozen cells and/or tissue. The frozen cells and/or tissue include muscle cells and/or muscle tissue, wheat cells and/or wheat tissue, and maize cells and/or maize tissue. Further, the solid, denaturing substance in solid form is a crystalline substance and can be selected from urea, thiourea, guanidium chloride, guanidium thiocyanate and ammonium sulfate. Also the solid, denaturing substance in solid form is added to the frozen cells and/or tissue in frozen form in an approximately 1 to 20 fold (w/w) excess.