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.

Date of Patent:
Mar. 05, 2024

Filed:

Nov. 14, 2018
Applicant:

4basebio SL, Madrid, ES;

Inventors:

Ángel Joaquin Picher Serantes, Madrid, ES;

Bettina Budeus, Mühlheim, DE;

Assignee:

4BASEBIO SL, Madrid, ES;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12Q 1/6855 (2018.01);
U.S. Cl.
CPC ...
C12Q 1/6855 (2013.01); C12Q 2525/191 (2013.01); C12Q 2525/301 (2013.01); C12Q 2531/125 (2013.01);
Abstract

Disclosed herein are devices and methods for amplifying double stranded DNA molecules. Methods for amplifying apoptotic cell-free DNA molecules can include performing end-repair and dA tailing of the cfDNA molecules, attachment of single-stranded hairpin adaptors to both ends of the end-repaired cfDNA molecules to produce adaptor-tagged, single-stranded, covalently closed DNA molecules, and amplification of the adaptor-tagged, single-stranded, covalently closed DNA molecules by a combination of rolling circle amplification and multiple displacement amplification using a PrimPol enzyme, a DNA polymerase with strand displacement activity and free nucleotides.


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