Sequential Method
    1.
    发明申请
    Sequential Method 审中-公开
    顺序方法

    公开(公告)号:US20090215196A1

    公开(公告)日:2009-08-27

    申请号:US11572316

    申请日:2005-07-15

    IPC分类号: G01N33/566

    摘要: A method for determination of an analyte in an original liquid sample by performing an inhibition affinity assay in a microchannel structure of a microfluidic device. The main characteristic feature is the steps of: (i) providing the microfluidic device in a form where the microchannel structure comprises a reaction microcavity which a) an inlet end, and b) contains a solid phase with binding sites (BS) for an analyte or an analyte-related entity, (ii) providing a liquid sample (1) containing the analyte or the analyte-related entity within the microchannel structure at the inlet end of the reaction microcavity, and flowing sample (1) through the reaction microcavity under conditions such that the analyte or the analyte-related entity is captured by BS leaving a portion of BS unoccupied (free BS), (iii) providing a liquid sample (2) which contains an analytically detectable analogue of the analyte or of the analyte-related entity, and flowing sample (2) through said reaction microcavity to capture the analogue by free BS, and (iv) measuring the amount of analyte analogue captured in step (iii) and relating this amount to the amount of analyte in an original sample.

    摘要翻译: 一种通过在微流体装置的微通道结构中进行抑制亲和力测定来测定原始液体样品中的分析物的方法。 主要特征是以下步骤:(i)以微通道结构包含反应微腔的形式提供微流体装置,其中a)入口端和b)包含具有用于分析物的结合位点(BS)的固相 或分析物相关实体,(ii)在反应微腔的入口端处提供在微通道结构内含有分析物或分析物相关实体的液体样品(1),并将样品(1)流过反应微腔下 条件,使得分析物或分析物相关实体被BS捕获,留下一部分BS未占用(自由BS),(iii)提供含有分析物或分析物 - 分析物的可分析检测的类似物的液体样品(2) 相关实体和流动样品(2)通过所述反应微腔以通过游离BS捕获类似物,和(iv)测量步骤(iii)中捕获的分析物类似物的量,并将该量与在 原始样本

    VERSATILE FLOW PATH
    2.
    发明申请
    VERSATILE FLOW PATH 审中-公开
    VERSATILE流程

    公开(公告)号:US20090010819A1

    公开(公告)日:2009-01-08

    申请号:US11815959

    申请日:2006-01-17

    IPC分类号: B01J19/00

    摘要: A flow path comprising a reaction cavity in which there is a solid phase to which an affinity reactant I1 has been immobilized by the use of an immobilizing pair of reactive structures that comprises a) a plurality of functional equal structures RSsp on the solid phase, and b) a structure RSari on affinity reactant I1, where RSsp and RSari are mutually reactive with each other to the formation of a link structure that immobilizes affinity reactant I1 to the solid phase. The characteristic feature is that the solid phase comprises a plurality of structures that derive from RSsp but do not immobilize affinity reactant I1 to the solid phase.

    摘要翻译: 一种流路,其包含反应腔,其中存在通过使用固定的一对反应结构固定亲和反应物I1的固相,其包含a)在固相上的多个功能相同的结构RSsp,以及 b)亲和反应物I1的结构RSari,其中RSsp和RSari彼此相互反应以形成将亲和反应物I1固定在固相上的连接结构。 其特征在于,固相包含从RSsp衍生但不将亲和反应物I1固定在固相上的多个结构。

    Flex Method
    3.
    发明申请
    Flex Method 审中-公开
    Flex方法

    公开(公告)号:US20070224702A1

    公开(公告)日:2007-09-27

    申请号:US11689702

    申请日:2007-03-22

    IPC分类号: G01N33/558

    CPC分类号: G01N33/54386

    摘要: A method for quantifying n different analytes that are present in one or more liquid samples by performing n different affinity assay formats, each of which is dedicated for a particular one of the analytes. The characteristic feature is that each format is performed in a separate microchannel structures of a microfluidic device that contains at least n microchannel structures, and comprises formation and measurement of an immobilized product (affinity complex) that is formed on a solid phase that is placed in a microcavity of the microchannel structure used for the format in order to quantify the analyte to which the format is dedicated.

    摘要翻译: 一种通过执行n种不同亲和力测定形式来定量存在于一个或多个液体样品中的n种不同分析物的方法,其各自专用于特定的一种分析物。 特征在于,每种格式都在微流体装置的单独的微通道结构中进行,微流体装置包含至少n个微通道结构,并且包括形成和测量在固相上形成的固定化产物(亲和络合物) 用于格式的微通道结构的微腔,以量化格式所专用的分析物。

    Microfluidic assays and microfluidic devices
    6.
    发明申请
    Microfluidic assays and microfluidic devices 审中-公开
    微流控测定和微流体装置

    公开(公告)号:US20070134739A1

    公开(公告)日:2007-06-14

    申请号:US11301165

    申请日:2005-12-12

    IPC分类号: G01N33/542

    CPC分类号: G01N33/54366 G01N33/54306

    摘要: The invention is a method for determining in the amount of an analyte (An) in a sample. The method comprises competitive immunoassays and enzymatic assays in which a soluble product (immune complex and enzymatic product, respectively) is formed. The product is subsequently measured in a measuring zone of a microchannel structure of a microfluidic device.

    摘要翻译: 本发明是用于确定样品中分析物(An)的量的方法。 该方法包括其中形成可溶性产物(分别为免疫复合物和酶产物)的竞争性免疫测定和酶测定。 随后在微流体装置的微通道结构的测量区域中测量产物。

    MICROFLUIDIC ASSAYS AND MICROFLUIDIC DEVICES
    8.
    发明申请
    MICROFLUIDIC ASSAYS AND MICROFLUIDIC DEVICES 审中-公开
    微流感测定和微流体装置

    公开(公告)号:US20110116972A1

    公开(公告)日:2011-05-19

    申请号:US12904796

    申请日:2010-10-14

    IPC分类号: G01N33/53

    CPC分类号: G01N33/54366 G01N33/54306

    摘要: The invention is a method for determining in the amount of an analyte (An) in a sample. The method comprises competitive immunoassays and enzymatic assays in which a soluble product (immune complex and enzymatic product, respectively) is formed. The product is subsequently measured in a measuring zone of a microchannel structure of a microfluidic device.

    摘要翻译: 本发明是用于确定样品中分析物(An)的量的方法。 该方法包括其中形成可溶性产物(分别为免疫复合物和酶产物)的竞争性免疫测定和酶测定。 随后在微流体装置的微通道结构的测量区域中测量产物。

    Integrated microfluidic device (ea)
    9.
    发明申请
    Integrated microfluidic device (ea) 审中-公开
    集成微流体装置(ea)

    公开(公告)号:US20050277195A1

    公开(公告)日:2005-12-15

    申请号:US10513084

    申请日:2003-04-29

    IPC分类号: B01L3/00 G01N31/10

    摘要: A method for characterizing n components An of n catalytic systems. The method is characterized in comprising the steps of: I) providing a microfluidic device which comprises a plurality of identical microchannel structures, each microchannel structures comprising in the downstream direction (a) an inlet arrangement IA with at least one inlet port; (b) a catalytic microcavity MC1, which comprises an immobilized component Cim of the catalytic system CS used in the microchannel structure, and (c) a detection zone (DZ); ii) distributing to MC1 of each microchannel structure the remaining components of the CS used in the structure by a) dispensing to the inlet arrangement IA of each microchannel structure said remaining components; and b) transporting corresponding components for the microchannel structures in parallel to load MC1 in each microchannel structure; iii) performing the catalytic reaction in MC1 of each microchannel structure; iv) transporting in parallel the product formed in step (iii) from MC1 to DZ of each microchannel structure, if DZ and MC1 do not coincide; v) characterizing for each microchannel structure the result of the catalytic reaction performed in MC1 in DZ; and vi) characterizing An for each microchannel structure.

    摘要翻译: 一种用于表征n种催化体系的n组分的方法。 该方法的特征在于包括以下步骤:I)提供微流体装置,其包括多个相同的微通道结构,每个微通道结构在下游方向(a)包括具有至少一个入口的入口装置1A; (b)催化微腔MC1,其包含在微通道结构中使用的催化体系CS的固定组分C 1和(c)检测区(DZ); ii)通过以下方式向每个微通道结构的MC1分配用于结构中的CS的剩余部件:a)将每个微通道结构的入口装置1A分配给所述剩余部件; 和b)将微通道结构的相应部件平行运送到每个微通道结构中的负载MC1; iii)在每个微通道结构的MC1中进行催化反应; iv)如果DZ和MC1不重合,则将步骤(iii)中形成的产品从MC1至DZ平行运输; v)表征每个微通道结构在DZ中在MC1中进行的催化反应的结果; 和vi)表征每个微通道结构的An。

    Parallel prosessing of microfluidic devices
    10.
    发明申请
    Parallel prosessing of microfluidic devices 审中-公开
    微流体装置的并行研究

    公开(公告)号:US20060160206A1

    公开(公告)日:2006-07-20

    申请号:US10537318

    申请日:2003-12-01

    IPC分类号: C12M1/34

    摘要: Microfluidic arrangement which comprises A) a number of microfluidic devices, and B) an instrument which comprises a spinner motor and a rotary member arranged such that liquid flow can be driven centrifugal force in each of the devices by spinning the. Each of the microfluidic devices comprises microchannel structures in a common planar layer I. The characteristic feature is that layer I of each device can be oriented radially and at an angle ≠0° relative to the plane of the rotary member, with preference for 90°. The rotary member has seats for holding the devices. A microfluidic device comprising i) two essentially planar and parallel opposite sides, and edge sides, ii) a set of one, two, three or more essentially equal microchannel structures, each of which comprises a first inlet arrangement comprising an inlet port IP I1. The characteristic feature is that a) each of the inlet ports is present in an edge side, and b) the wettability of the inner walls of said first inlet arrangement permits penetration by capillarity of at least a predetermined first volume of an aqueous liquid.

    摘要翻译: 微流体装置,其包括A)多个微流体装置,以及B)包括旋转电动机和旋转构件的仪器,其布置成使得液体流可以通过旋转来驱动每个装置中的离心力。 每个微流体装置包括公共平面层I中的微通道结构。特征在于,每个装置的层I可以相对于旋转构件的平面径向定向并且以<0°的角度定向,优选地为90° °。 旋转构件具有用于保持装置的座。 一种微流体装置,包括i)两个基本上平面和平行的相对侧和边缘侧,ii)一组一个,两个,三个或更多基本上相等的微通道结构,每个微通道结构包括第一入口装置,其包括入口端口IP I SUB> 1 。 特征在于:a)每个入口端口存在于边缘侧,以及b)所述第一入口装置的内壁的润湿性允许至少预定的第一体积的含水液体的毛细管渗透。