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:
Mar. 10, 2009
Filed:
Nov. 09, 2001
Gabriele Gradl, Berlin, DE;
Thomas Schnelle, Berlin, DE;
Torsten Müller, Berlin, DE;
Christoph Reichle, Berlin, DE;
Gabriele Gradl, Berlin, DE;
Thomas Schnelle, Berlin, DE;
Torsten Müller, Berlin, DE;
Christoph Reichle, Berlin, DE;
Perkinelmer Cellular Technologies Germany GmbH, Hamburg, DE;
Abstract
A method is described for non-destructive measurement of vitality of biological cells, especially for determination of apoptosis, in which the at least one cell is exposed to high-frequency alternating, especially rotating, electric fields and/or impedance test fields, and at least one rotation measurement, one dielectrophoresis measurement and/or one impedance measurement is performed with the cell for at least one frequency range or individual frequencies, from which at least one measurement parameter is determined that is characteristic of the vitality state of the cell.