US 7,591,938 B2
Method and device for transporting or binding-specific separation of electrically charged molecules
Heike Barlag, Nürnberg (Germany); Walter Gumbrecht, Herzogenaurach (Germany); and Manfred Stanzel, Erlangen (Germany)
Assigned to Siemens Aktiengesellschaft, Munich (Germany)
Appl. No. 10/537,248
PCT Filed Nov. 28, 2003, PCT No. PCT/DE03/03938
§ 371(c)(1), (2), (4) Date Jun. 01, 2005,
PCT Pub. No. WO2004/051275, PCT Pub. Date Jun. 17, 2004.
Claims priority of application No. 102 56 415 (DE), filed on Dec. 02, 2002.
Prior Publication US 2006/0086625 A1, Apr. 27, 2006
Int. Cl. G01N 27/26 (2006.01); G01N 33/487 (2006.01); G01F 1/64 (2006.01)
U.S. Cl. 205—775  [204/450; 204/409; 204/410; 204/411] 27 Claims
OG exemplary drawing
 
1. A method for transporting electrically charged molecules in an aqueous solution, the method comprising:
arranging, in the vicinity of two measuring electrodes, a metallic material which is resistant in the aqueous electrolyte and is more electronegative than that of the measuring electrode, the metallic material being arranged as an electrode to which a potential can be applied; and
bringing the metallic material, as a result of a positive potential being applied to the arranged electrode, into solution as positive ions,
whereby negatively charged molecules are transported as target molecules in a direction of the arranged electrode to which positive potential is applied and are enriched at the measuring electrodes.