Global Patent Index - EP 4070105 A1

EP 4070105 A1 20221012 - LATERAL FLOW ASSAYS COMPRISING NON-SPHEROIDAL GOLD NANOPARTICLES

Title (en)

LATERAL FLOW ASSAYS COMPRISING NON-SPHEROIDAL GOLD NANOPARTICLES

Title (de)

LATERALFLUSSASSAYS MIT NICHTKUGELIGEN GOLDNANOPARTIKELN

Title (fr)

DOSAGES IMMUNOCHROMATOGRAPHIQUES COMPRENANT DES NANOPARTICULES D'OR NON SPHÉRIQUES

Publication

EP 4070105 A1 20221012 (EN)

Application

EP 20816505 A 20201204

Priority

  • EP 19383079 A 20191204
  • EP 2020084720 W 20201204

Abstract (en)

[origin: WO2021110958A1] Spherical gold nanoparticles are the most used label in lateral flow test devices because it is easy to conjugate biological molecules onto gold nanoparticles, they have a strong red color and they are relatively stable. However, there is a need to improve the sensitivity of lateral flow devices to decrease their lower detection limit. The present invention aims to improve the sensitivity of lateral flow devices by using nanoparticles having a substantially polyhedron shape and stronger plasmon/color.

IPC 8 full level

G01N 33/543 (2006.01)

CPC (source: EP)

G01N 33/54346 (2013.01)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

WO 2021110958 A1 20210610; EP 4070105 A1 20221012

DOCDB simple family (application)

EP 2020084720 W 20201204; EP 20816505 A 20201204