US Patent Issued to QIAGEN on May 12 for "Enrichment method" (German Inventors)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,624,348, issued on May 12, was assigned to QIAGEN GmbH (Hilden, Germany).

"Enrichment method" was invented by Martin Schlumpberger (Hilden, Germany) and Karolin Spitzer (Hilden, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method is provided for enriching extracellular DNA from a biological sample comprising extracellular DNA and extracellular vesicles, wherein the method comprises: (a) preparing a binding mixture comprising-the biological sample, -a solid phase comprising anion exchange groups, -an acidic binding buffer comprising a buffering agent, and binding extracellular DNA to the solid phase comprising anion exchange groups; (b) separa...