EP4698317A1 - Mikrofluidisches system - Google Patents

Mikrofluidisches system

Info

Publication number
EP4698317A1
EP4698317A1 EP24718866.7A EP24718866A EP4698317A1 EP 4698317 A1 EP4698317 A1 EP 4698317A1 EP 24718866 A EP24718866 A EP 24718866A EP 4698317 A1 EP4698317 A1 EP 4698317A1
Authority
EP
European Patent Office
Prior art keywords
microchannel
magnetic
tip
fluid
actuator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP24718866.7A
Other languages
English (en)
French (fr)
Inventor
David GOSSELIN
Julien Autebert
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Inorevia
Original Assignee
Inorevia
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Inorevia filed Critical Inorevia
Publication of EP4698317A1 publication Critical patent/EP4698317A1/de
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L3/00—Containers or dishes for laboratory use, e.g. laboratory glassware; Droppers
    • B01L3/50—Containers for the purpose of retaining a material to be analysed, e.g. test tubes
    • B01L3/502—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures
    • B01L3/5027—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip
    • B01L3/502761—Containers for the purpose of retaining a material to be analysed, e.g. test tubes with fluid transport, e.g. in multi-compartment structures by integrated microfluidic structures, i.e. dimensions of channels and chambers are such that surface tension forces are important, e.g. lab-on-a-chip specially adapted for handling suspended solids or molecules independently from the bulk fluid flow, e.g. for trapping or sorting beads or physically stretching molecules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/06—Fluid handling related problems
    • B01L2200/0647—Handling flowable solids, e.g. microscopic beads, cells, particles
    • B01L2200/0668—Trapping microscopic beads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2200/00—Solutions for specific problems relating to chemical or physical laboratory apparatus
    • B01L2200/06—Fluid handling related problems
    • B01L2200/0673—Handling of plugs of fluid surrounded by immiscible fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01L—CHEMICAL OR PHYSICAL LABORATORY APPARATUS FOR GENERAL USE
    • B01L2400/00—Moving or stopping fluids
    • B01L2400/04—Moving fluids with specific forces or mechanical means
    • B01L2400/0403—Moving fluids with specific forces or mechanical means specific forces
    • B01L2400/043—Moving fluids with specific forces or mechanical means specific forces magnetic forces

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Dispersion Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Hematology (AREA)
  • Clinical Laboratory Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
EP24718866.7A 2023-04-21 2024-04-19 Mikrofluidisches system Pending EP4698317A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23169296 2023-04-21
PCT/EP2024/060794 WO2024218337A1 (en) 2023-04-21 2024-04-19 Microfluidic system

Publications (1)

Publication Number Publication Date
EP4698317A1 true EP4698317A1 (de) 2026-02-25

Family

ID=86142816

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24718866.7A Pending EP4698317A1 (de) 2023-04-21 2024-04-19 Mikrofluidisches system

Country Status (3)

Country Link
EP (1) EP4698317A1 (de)
CN (1) CN121240930A (de)
WO (1) WO2024218337A1 (de)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070031819A1 (en) * 2005-04-26 2007-02-08 University Of Washington Microfluidic systems for biological and molecular analysis and methods thereof
KR20100120128A (ko) * 2008-01-25 2010-11-12 루미넥스 코포레이션 솔레노이드 액츄에이터
WO2013041983A1 (en) * 2011-09-19 2013-03-28 Centre National De La Recherche Scientifique Microfluidic system
EP3383534B1 (de) * 2015-11-30 2019-08-21 Rqmicro AG Mikrofluidische vorrichtung, baugruppen und verfahren zum extrahieren von partikeln aus einer probe
JP6999569B2 (ja) * 2016-04-01 2022-01-18 ザ ガバニング カウンシル オブ ザ ユニバーシティ オブ トロント 磁性マイクロ粒子を使用して大きな体積からより小さな体積に分析物を濃縮するためのｄｍｆ方法及びシステム
US12502673B2 (en) * 2019-06-14 2025-12-23 Sharp Life Science (Eu) Limited Magnetic particle extraction in an EWOD instrument

Also Published As

Publication number Publication date
CN121240930A (zh) 2025-12-30
WO2024218337A1 (en) 2024-10-24

Similar Documents

Publication Publication Date Title
EP2038051B1 (de) Vorrichtung zur manipulation und mischung von partikeln in einem flüssigen medium und ihre verwendung
US8585279B2 (en) Device and method for manipulating and mixing magnetic particles in a liquid medium
US8870446B2 (en) Device and method for manipulating and mixing magnetic particles in a liquid medium
US7892427B2 (en) Apparatus and method for magnetic-based manipulation of microscopic particles
US8999732B2 (en) Method for manipulating magnetic particles in a liquid medium
Chen et al. A review on micromixers actuated with magnetic nanomaterials
US10130949B2 (en) Microfluidic system
CN102470373B (zh) 用于富集磁性粒子的设备
WO2016087397A1 (en) Dispersion and accumulation of magnetic particles in a microfluidic system
Yamanishi et al. Powerful actuation of magnetized microtools by focused magnetic field for particle sorting in a chip
Yamanishi et al. Biocompatible polymeric magnetically driven microtool for particle sorting
Afshar et al. Magnetic particle dosing and size separation in a microfluidic channel
KR100907213B1 (ko) 등자기영동 기술을 이용한 미세입자 분리 장치 및등자기영동 기술을 이용한 미세입자 분리 방법
US20150219650A1 (en) Microfluidic system having a magnetic particle bed
Lund-Olesen et al. Quantitative characterization of magnetic separators: comparison of systems with and without integrated microfluidic mixers
EP4698317A1 (de) Mikrofluidisches system
US20070144976A1 (en) Micro-reactor
Koch et al. Periodic convection of superparamagnetic beads within a microfluidic channel by interlocked, electroplated structures activated by a static field
Silverio et al. Magnetically actuated systems for microfluidic applications
Nair et al. Magnetic Digital Microfluidics: Promising Technology for Point of Care Diagnostics: Recent Developments
Sinha Characterizing magnetic particle transport for microfluidic applications
Fu A New Conductive Membrane-Based Microfluidic Platform for Electrokinetic Applications
Tabnaoui Magnetic fluidized bed for sample preconcentration and immunoextraction in microfluidic systems
Bute et al. Magnetically controlled flexible valve for flow manipulation in polymer microfluidic devices
Zhu Micro magnetofluidic phenomena and applications

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20251121

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): 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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR