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:
Apr. 21, 2026

Filed:

Nov. 25, 2021
Applicant:

Bundesrepublik Deutschland, Vertreten Durch Den Bundesminister Für Wirtschaft Und Energie, Dieser, Berlin, DE;

Inventors:

Martha Wamaitha Kimani, Berlin, DE;

Kornelia Gawlitza, Berlin, DE;

Knut Rurack, Berlin, DE;

Virginia Valderrey Berciano, Berlin, DE;

Victor Pérez Padilla, Berlin, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01J 20/26 (2006.01); B01D 15/38 (2006.01); B01J 20/10 (2006.01); B01J 20/28 (2006.01); B01J 20/285 (2006.01); C09K 11/06 (2006.01); G01N 21/64 (2006.01);
U.S. Cl.
CPC ...
B01J 20/268 (2013.01); B01D 15/3852 (2013.01); B01J 20/103 (2013.01); B01J 20/28007 (2013.01); B01J 20/28011 (2013.01); B01J 20/28016 (2013.01); B01J 20/285 (2013.01); C09K 11/06 (2013.01); G01N 21/6428 (2013.01); C09K 2211/1466 (2013.01); C09K 2211/1475 (2013.01);
Abstract

A layer structure having a solid substrate having a surface, the surface carrying a layer including a molecularly imprinted polymer, wherein the molecularly imprinted polymer is adapted to bind a glyphosate analyte, wherein the glyphosate analyte is selected from glyphosate, a glyphosate degradation product, a metabolite of glyphosate or a metabolite of the degradation product of glyphosate, wherein a fluorescence characteristic of the molecularly imprinted polymer changes upon binding of the glyphosate analyte. Further, a method for detecting a glyphosate analyte in a sample includes: providing the layer structure having the molecularly imprinted polymer; providing a fluidic contact of the layer structure with the sample or an organic extract of the sample; measuring a fluorescence property of the layer structure; and estimating a concentration of glyphosate or of the glyphosate related analyte at least semi-quantitatively.


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