US 12,241,894 B2
In vitro diagnosis device comprising beads and uses thereof
Christine Betremieux-Merlier, Wattignies (FR); Laziza Amniai, Lille (FR); and Julien Schelpe, Gondecourt (FR)
Assigned to DIAGAST, Loos (FR)
Appl. No. 16/969,208
Filed by DIAGAST, Loos (FR)
PCT Filed Feb. 15, 2019, PCT No. PCT/EP2019/053886
§ 371(c)(1), (2) Date Aug. 12, 2020,
PCT Pub. No. WO2019/158726, PCT Pub. Date Aug. 22, 2019.
Claims priority of application No. 18305164 (EP), filed on Feb. 16, 2018.
Prior Publication US 2020/0408749 A1, Dec. 31, 2020
Int. Cl. G01N 33/543 (2006.01); G01N 33/538 (2006.01); G01N 33/68 (2006.01)
CPC G01N 33/5436 (2013.01) [G01N 33/538 (2013.01); G01N 33/6854 (2013.01)] 15 Claims
OG exemplary drawing
 
1. An in vitro diagnosis device for detecting and/or identifying an antigen and/or antibody, from a sample of biological fluid comprising:
a support, and
a hydrophobic porous membrane arranged in said support comprising at least one hydrophilic reaction area intended to receive said sample, wherein on said hydrophilic reaction area, which is a surface smaller than the hydrophobic porous membrane, are deposited beads, and wherein at least one antibody or antigen is fixed on said beads.