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    • 2. 发明申请
    • DEVICE AND A METHOD FOR PROMOTING CRYSTALLISATION
    • 装置和促进结晶的方法
    • US20090264632A1
    • 2009-10-22
    • US12303132
    • 2007-06-27
    • Morten Sommer
    • Morten Sommer
    • C07K1/30B01D9/00C07H1/06C07H21/00
    • C30B29/58B01L3/502738B01L2200/0605B01L2300/041B01L2300/0816B01L2300/0864B01L2400/0406B01L2400/0688B01L2400/0694C30B7/00C30B35/00Y10T117/10
    • The invention relates to a microfluidic device for promoting crystallisation of target molecules, such as proteins. The device comprises a solid structure with a top face and an opposite bottom face and with a least one liquid channel. The liquid channel comprises a target molecule solution inlet and at least two precipitant inlets. The target molecule solution inlet is in liquid communication with each of the precipitant inlets through the liquid channel. The liquid channel comprises a branching channel section adjacent to the target molecule solution inlet, crystallisation channel sections adjacent to the respective precipitant inlets and flow break channel sections arranged between the branching channel section and each of the crystallization channel sections. The liquid channel is branched from 1 to X in the branching channel section, wherein X is the number of crystallisation channel sections, and the flow break channel sections comprise a flow break arrangement capable of breaking up the liquid communication between said respective branching channel section and crystallisation channel sections.
    • 本发明涉及用于促进目标分子如蛋白质结晶的微流体装置。 该装置包括具有顶面和相对底面以及至少一个液体通道的固体结构。 液体通道包括靶分子溶液入口和至少两个沉淀剂入口。 目标分子溶液入口通过液体通道与每个沉淀剂入口液体连通。 液体通道包括与目标分子溶液入口相邻的分支通道部分,与相应的沉淀剂入口相邻的结晶通道部分和布置在分支通道部分和每个结晶通道部分之间的流动断裂通道部分。 液体通道在分支通道部分中从1分支到X,其中X是结晶通道部分的数量,并且流动断裂通道部分包括能够分解所述相应分支通道部分和 结晶通道部分。
    • 6. 发明授权
    • Assays and other reactions involving droplets
    • 测定和其他涉及液滴的反应
    • US09029085B2
    • 2015-05-12
    • US12529926
    • 2008-03-07
    • Jeremy AgrestiLiang-Yin ChuDavid A. WeitzJin-Woong KimAmy RowatMorten SommerGautam DantasGeorge Church
    • Jeremy AgrestiLiang-Yin ChuDavid A. WeitzJin-Woong KimAmy RowatMorten SommerGautam DantasGeorge Church
    • C12Q1/68C12P19/34B01J13/00B01F3/08B01F13/00
    • C12P19/34B01F3/0807B01F3/0811B01F13/0062B01F13/0071B01F2215/0037B01J13/0052B01J13/0065B01L3/502784C12Q1/6834C12Q1/6848C12Q1/686G01N15/1404G01N2015/1006
    • The present invention generally relates to droplets and/or emulsions, such as multiple emulsions. In some cases, the droplets and/or emulsions may be used in assays, and in certain embodiments, the droplet or emulsion may be hardened to form a gel. In some aspects, a heterogeneous assay can be performed using a gel. For example, a droplet may be hardened to form a gel, where the droplet contains a cell, DNA, or other suitable species. The gel may be exposed to a reactant, and the reactant may interact with the gel and/or with the cell, DNA, etc., in some fashion. For example, the reactant may diffuse through the gel, or the hardened particle may liquefy to form a liquid state, allowing the reactant to interact with the cell. As a specific example, DNA contained within a gel particle may be subjected to PCR (polymerase chain reaction) amplification, e.g., by using PCR primers able to bind to the gel as it forms. As the DNA is amplified using PCR, some of the DNA will be bound to the gel via the PCR primer. After the PCR reaction, unbound DNA may be removed from the gel, e.g., via diffusion or washing. Thus, a gel particle having bound DNA may be formed in one embodiment of the invention.
    • 本发明通常涉及液滴和/或乳液,例如多重乳液。 在一些情况下,液滴和/或乳液可用于测定中,并且在某些实施方案中,液滴或乳液可被硬化以形成凝胶。 在一些方面,可以使用凝胶进行异质测定。 例如,液滴可以被硬化以形成凝胶,其中液滴包含细胞,DNA或其它合适的物质。 凝胶可以暴露于反应物,并且反应物可以以某种方式与凝胶和/或与细胞,DNA等相互作用。 例如,反应物可以扩散通过凝胶,或者硬化的颗粒可以液化以形成液体状态,允许反应物与细胞相互作用。 作为具体实例,包含在凝胶颗粒内的DNA可以进行PCR(聚合酶链式反应)扩增,例如通过使用能够在形成凝胶时结合凝胶的PCR引物。 当使用PCR扩增DNA时,一些DNA将通过PCR引物与凝胶结合。 PCR反应后,未结合的DNA可以从凝胶中去除,例如通过扩散或洗涤。 因此,可以在本发明的一个实施方案中形成具有结合DNA的凝胶颗粒。
    • 9. 发明申请
    • ASSAYS AND OTHER REACTIONS INVOLVING DROPLETS
    • 测量和其他涉及倾销的反应
    • US20100136544A1
    • 2010-06-03
    • US12529926
    • 2008-03-07
    • Jeremy AgrestiLiang-Yin ChuDavid A. WeitzJin-Woong KimAmy RowatMorten SommerGautam DantasGeorge Church
    • Jeremy AgrestiLiang-Yin ChuDavid A. WeitzJin-Woong KimAmy RowatMorten SommerGautam DantasGeorge Church
    • C12Q1/68C12Q1/04
    • C12P19/34B01F3/0807B01F3/0811B01F13/0062B01F13/0071B01F2215/0037B01J13/0052B01J13/0065B01L3/502784C12Q1/6834C12Q1/6848C12Q1/686G01N15/1404G01N2015/1006
    • The present invention generally relates to droplets and/or emulsions, such as multiple emulsions. In some cases, the droplets and/or emulsions may be used in assays, and in certain embodiments, the droplet or emulsion may be hardened to form a gel. In some aspects, a heterogeneous assay can be performed using a gel. For example, a droplet may be hardened to form a gel, where the droplet contains a cell, DNA, or other suitable species. The gel may be exposed to a reactant, and the reactant may interact with the gel and/or with the cell, DNA, etc., in some fashion. For example, the reactant may diffuse through the gel, or the hardened particle may liquefy to form a liquid state, allowing the reactant to interact with the cell. As a specific example, DNA contained within a gel particle may be subjected to PCR (polymerase chain reaction) amplification, e.g., by using PCR primers able to bind to the gel as it forms. As the DNA is amplified using PCR, some of the DNA will be bound to the gel via the PCR primer. After the PCR reaction, unbound DNA may be removed from the gel, e.g., via diffusion or washing. Thus, a gel particle having bound DNA may be formed in one embodiment of the invention.
    • 本发明通常涉及液滴和/或乳液,例如多重乳液。 在一些情况下,液滴和/或乳液可用于测定中,并且在某些实施方案中,液滴或乳液可被硬化以形成凝胶。 在一些方面,可以使用凝胶进行异质测定。 例如,液滴可以被硬化以形成凝胶,其中液滴包含细胞,DNA或其它合适的物质。 凝胶可以暴露于反应物,并且反应物可以以某种方式与凝胶和/或与细胞,DNA等相互作用。 例如,反应物可以扩散通过凝胶,或者硬化的颗粒可以液化以形成液体状态,允许反应物与细胞相互作用。 作为具体实例,包含在凝胶颗粒内的DNA可以进行PCR(聚合酶链式反应)扩增,例如通过使用能够在形成凝胶时结合凝胶的PCR引物。 当使用PCR扩增DNA时,一些DNA将通过PCR引物与凝胶结合。 PCR反应后,未结合的DNA可以从凝胶中去除,例如通过扩散或洗涤。 因此,可以在本发明的一个实施方案中形成具有结合DNA的凝胶颗粒。