Microfluidic sample chip, assay system using such a chip, and PCR method for detecting DNA sequences

    公开(公告)号:US11607684B2

    公开(公告)日:2023-03-21

    申请号:US17548591

    申请日:2021-12-12

    申请人: BFORCURE

    发明人: Maël Le Berre

    摘要: A microfluidic sample chip to test biological samples, especially for a PCR-type and/or fluorescence assay. The chip being in the shape of a hollow block having at least one chamber delimited by an upper wall, a lower wall and at least one side wall, into which a sample can be introduced for testing. The lower wall of the block is made of a material with a high thermal conductivity and the upper wall is made of a material with a low thermal conductivity. Preferably, the upper wall is preferably permeable to radiation in the visible spectrum between 400 and 700 nm. The block having at least two openings through which the sample can be introduced into at least one of the chambers and through which the air present in the chamber can be evacuated when the sample is introduced.

    MICROFLUIDIC SAMPLE CHIP, ASSAY SYSTEM USING SUCH A CHIP, AND PCR METHOD FOR DETECTING DNA SEQUENCES

    公开(公告)号:US20190388887A1

    公开(公告)日:2019-12-26

    申请号:US16471500

    申请日:2017-12-14

    申请人: BFORCURE

    发明人: MAËL LE BERRE

    IPC分类号: B01L3/00 B01L7/00 F28F3/12

    摘要: A microfluidic sample chip to test biological samples, especially for a PCR-type and/or fluorescence assay. The chip being in the shape of a hollow block having at least one chamber delimited by an upper wall, a lower wall and at least one side wall, into which a sample can be introduced for testing. The lower wall of the block is made of a material with a high thermal conductivity and the upper wall is made of a material with a low thermal conductivity. Preferably, the upper wall is preferably permeable to radiation in the visible spectrum between 400 and 700 nm. The block having at least two openings through which the sample can be introduced into at least one of the chambers and through which the air present in the chamber can be evacuated when the sample is introduced.

    MICROFLUIDIC SAMPLE CHIP, ASSAY SYSTEM USING SUCH A CHIP, AND PCR METHOD FOR DETECTING DNA SEQUENCES

    公开(公告)号:US20220097049A1

    公开(公告)日:2022-03-31

    申请号:US17548591

    申请日:2021-12-12

    申请人: BFORCURE

    发明人: MAËL LE BERRE

    IPC分类号: B01L3/00 B01L7/00 F28F3/12

    摘要: A microfluidic sample chip to test biological samples, especially for a PCR-type and/or fluorescence assay. The chip being in the shape of a hollow block having at least one chamber delimited by an upper wall, a lower wall and at least one side wall, into which a sample can be introduced for testing. The lower wall of the block is made of a material with a high thermal conductivity and the upper wall is made of a material with a low thermal conductivity. Preferably, the upper wall is preferably permeable to radiation in the visible spectrum between 400 and 700 nm. The block having at least two openings through which the sample can be introduced into at least one of the chambers and through which the air present in the chamber can be evacuated when the sample is introduced.

    THERMALIZING MICROFLUIDIC CHIP EMPLOYING VARIABLE TEMPERATURE CYCLES, SYSTEM USING SUCH A CHIP AND PCR METHOD FOR DETECTING DNA SEQUENCES

    公开(公告)号:US20200016593A1

    公开(公告)日:2020-01-16

    申请号:US16471517

    申请日:2017-12-14

    申请人: BFORCURE

    IPC分类号: B01L3/00 B01L7/00 F28F3/12

    摘要: A microfluidic thermalization chip, a system using such a chip and a PCR method for detecting DNA sequences. The chip contains a block of material in which a cavity is configured to contain at least one fluid. The cavity includes at least one inlet orifice and at least one outlet orifice. The inlet orifice for the fluid is connected to at least one, preferably at least two, fluid-injecting channels. Further, the chip includes at least one microfluidic channel for bypassing the cavity. The channel is connected by a first end to at least one of the fluid-injecting channels. The junction between the bypassing channel and the fluid-injecting channel is located at a distance L from the inlet orifice of the fluid-injecting channel. The distance L is preferably smaller than 2 cm.

    Microfluidic thermalization chip with variable temperature cycles, system using such a chip and PCR method for detecting DNA sequences

    公开(公告)号:US11198120B2

    公开(公告)日:2021-12-14

    申请号:US16471517

    申请日:2017-12-14

    申请人: BFORCURE

    IPC分类号: B01L3/00 B01L7/00 F28F3/12

    摘要: A microfluidic thermalization chip, a system using such a chip and a PCR method for detecting DNA sequences. The chip contains a block of material in which a cavity is configured to contain at least one fluid. The cavity includes at least one inlet orifice and at least one outlet orifice. The inlet orifice for the fluid is connected to at least one, preferably at least two, fluid-injecting channels. Further, the chip includes at least one microfluidic channel for bypassing the cavity. The channel is connected by a first end to at least one of the fluid-injecting channels. The junction between the bypassing channel and the fluid-injecting channel is located at a distance L from the inlet orifice of the fluid-injecting channel. The distance L is preferably smaller than 2 cm.