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    • 44. 发明申请
    • DEVICE FOR SORTING, CLASSIFYING, AND ASSAYING PARTITION BEHAVIOR OF CELL MEMBRANE BIOMOLECULES AND METHODS BASED THEREON
    • 用于分类,分类和测定细胞膜生物分子的分离行为的装置及其方法
    • WO2011160071A3
    • 2012-04-19
    • PCT/US2011040962
    • 2011-06-17
    • UNIV CORNELLDANIEL SUSANCHAO LING
    • DANIEL SUSANCHAO LING
    • G01N33/483G01N15/14G01N27/00G01N35/08
    • G01N33/6842B01L3/502761B01L3/502769B82Y30/00G01N15/1404G01N27/44782G01N27/44791G01N33/54366
    • A biomolecule partitioning device (BPD) is provided that can be used to separate and sort membrane species into raft-like membrane regions without using detergent or crosslinkers. The BPD can comprise one or more microfluidic channels coated with coexistent lipid phases (raft-like and fluid-like lipid compositions) as a contiguous supported lipid bilayer (SLB). The geometry of the phases can be patterned with spatial and temporal control within each channel. Methods for the separation and sorting are also provided. The method can comprise the steps of introducing cell membrane species into an SLB; patterning coexistent phases; applying an electric field or hydrodynamic flow to move the species; sorting migrating species into regions based on their partitioning preference; and collecting sorted species in a quantification area. The BPD can also be used to measure partitioning kinetics or to assay for activity changes of biomolecules as a function of local lipid environment.
    • 提供生物分子分配装置(BPD),其可用于将膜物质分离和分类为筏状膜区域,而不使用洗涤剂或交联剂。 BPD可以包含作为连续支持的脂质双层(SLB)涂覆有共存的脂质相(筏状和流体状的脂质组合物)的一个或多个微流体通道。 可以在每个通道内对空间和时间控制进行图案化。 还提供了分离和分选的方法。 该方法可以包括将细胞膜物种引入SLB的步骤; 形成共存阶段; 施加电场或流体动力流来移动物种; 根据其分配偏好将迁移物种分类到区域; 并在量化区域收集排序的物种。 BPD还可用于测量分配动力学或测定作为局部脂质环境的函数的生物分子的活性变化。
    • 47. 发明申请
    • MICROFLUIDIC DEVICE FOR INDUCING SEPARATIONS BY FREEZING AND ASSOCIATED METHOD
    • 用于通过冷冻诱导分离的微流体装置和相关方法
    • WO2008115916A1
    • 2008-09-25
    • PCT/US2008/057347
    • 2008-03-18
    • THE AEROSPACE CORPORATIONWELLE, Richard P.
    • WELLE, Richard P.
    • G01N30/00
    • B01D17/00B01D9/004B01D9/04B01L3/502769B01L2200/0631B01L2300/0887B01L2300/1822B01L2300/1827B01L2400/0677Y10T137/2196Y10T436/25375
    • A microfluidic device is provided for inducing the separation of constituent elements from a microfluidic sample by inroducing phase changes in the microfluidic sample while contained in a microfluidic channel in the device. At least a portion of the microfluidic sample is frozen to cause fractional exclusion of the constituent element from the frozen portion of the microfluidic sample. Different portions of the microfluidic sample may be frozen in different sectors and at different times in order to cause movement in a desired direction of the separated constituent element. Portions of the microfluidic sample may be frozen in a sequential order of adjacent sectors within the microfluidic channel in order to cause sequential movement of the excluded constituent element toward one portion of the microfluidic channel. The frozen portion of the microfluidic sample is then thawed, wherein the separated constituent element remains substantially separated from the thawed, purified microfluidic sample.
    • 提供了一种微流体装置,用于通过在装置中的微流体通道中包含微流体样品中的相变而引起构成元件与微流体样品的分离。 将微流体样品的至少一部分冷冻以引起构成元件从微流体样品的冷冻部分的分级排除。 微流体样品的不同部分可以在不同的扇区中被冷冻,并且在不同的时间被冷冻以引起在所分离的构成元件的期望方向上的移动。 微流体样品的部分可以以微流体通道内的相邻扇区的顺序冷冻,以便排除构成元件朝着微流体通道的一部分顺序移动。 然后将微流体样品的冷冻部分解冻,其中分离的构成元件基本上与解冻的纯化的微流体样品分离。
    • 50. 发明公开
    • PCR 전처리 칩, 이를 이용한 PCR 전처리 방법, 이를 이용한 PCR 장치 및 방법
    • PCR预处理芯片,使用该PCR的PCR预处理方法,PCR装置及其使用方法
    • KR1020130126350A
    • 2013-11-20
    • KR1020120050412
    • 2012-05-11
    • 한국과학기술원
    • 서태석
    • C12Q1/68C12M1/38C12M1/10
    • B01L3/502715B01L3/502769C12M1/10C12Q1/686
    • A PCR pretreatment chip, a method for PCR pretreatment using the same, a PCR apparatus, and a method using the same are provided. The PCR pretreatment chip according to the embodiment of the present invention has a sample chamber storing sample solutions, a wash buffer solution chamber storing wash buffer solutions, and an eluent chamber storing eluents comprising: a first, a second, and a third microfluid channel which is connected to the sample chamber, the wash buffer solution chamber, and the eluent chamber respectively in which the respective sample solutions, wash buffer solutions, and eluents from the sample chamber, the wash buffer solution chamber, and the eluent chamber flow; a collection chamber in which solutions are supplied from the first, second, and third microfluid channels; a fourth microfluid channel in which the solution from the collection chamber flows by rotation of the PCR pretreatment chip; a first chamber which is connected to the end of the fourth microfluid channel and which stores the solution from the collection chamber; a fifth microfluid channel connected between the fourth microfluid channel and the first chamber;, and a second chamber connected to the end of the fifth microfluid channel. The first, second, and third microfluid channels are made up of hydrophobic paths having different cross section, and the fourth microfluid channel has a wider cross section than the fifth microfluid channel. [Reference numerals] (AA) Trapped bead
    • 提供PCR预处理芯片,使用其的PCR预处理方法,PCR装置及其使用方法。 根据本发明的实施方案的PCR预处理芯片具有存储样品溶液的样品室,存储洗涤缓冲溶液的洗涤缓冲溶液室和储存洗脱液的洗脱液室,其包含:第一,第二和第三微流体通道, 分别连接到来自样品室,洗涤缓冲溶液室和洗脱液室的相应样品溶液,洗涤缓冲液和洗脱液的样品室,洗涤缓冲溶液室和洗脱液室; 收集室,其中从第一,第二和第三微流体通道提供溶液; 第四微流体通道,其中来自收集室的溶液通过PCR预处理芯片的旋转而流动; 第一室,其连接到第四微流体通道的端部并且存储来自收集室的溶液; 连接在所述第四微流体通道和所述第一室之间的第五微流体通道;以及连接到所述第五微流体通道的端部的第二室。 第一,第二和第三微流体通道由具有不同横截面的疏水路径组成,并且第四微流体通道具有比第五微流体通道更宽的横截面。 (附图标记)(AA)捕获的珠