Microfluidic platform and method of generating a gradient therein
    1.
    发明授权
    Microfluidic platform and method of generating a gradient therein 失效
    微流控平台及其中产生梯度的方法

    公开(公告)号:US07470403B2

    公开(公告)日:2008-12-30

    申请号:US11411671

    申请日:2006-04-26

    IPC分类号: B01L3/02

    摘要: An apparatus and method of using the same are provided for generating a gradient of particles within a microfluidic device. The microfluidic device includes a channel having an input and an output. The channel is filled with a predetermined fluid. Thereafter, particles from a source pass through a porous membrane into the input of the channel. A second membrane is provided adjacent the output of the channel to minimize convection therein. A sink communicates with the output of the channel. The source/sink combination creates a pseudo-steady state in the channel wherein the concentration of particles at a point does not vary dramatically with time.

    摘要翻译: 提供了一种使用其的装置和方法,用于在微流体装置内产生颗粒的梯度。 微流体装置包括具有输入和输出的通道。 通道填充有预定流体。 此后,来自源的颗粒通过多孔膜进入通道的输入。 在通道的输出附近设置第二膜以最小化其中的对流。 接收器与信道的输出通信。 源/汇组合在通道中产生伪稳态,其中点处的粒子浓度随时间而不会显着变化。

    METHOD FOR ROBUST CONTROL OVER A SOLUABLE FACTOR MICROENVIRONMENT WITHIN A THREE-DIMENSIONAL GEL MATRIX
    2.
    发明申请
    METHOD FOR ROBUST CONTROL OVER A SOLUABLE FACTOR MICROENVIRONMENT WITHIN A THREE-DIMENSIONAL GEL MATRIX 审中-公开
    用于三维凝胶矩阵中的可溶因子微环境的稳健控制的方法

    公开(公告)号:US20100025243A1

    公开(公告)日:2010-02-04

    申请号:US12184408

    申请日:2008-08-01

    IPC分类号: B01D57/02

    CPC分类号: B01L3/5027

    摘要: A method is provided of generating a gradient within gel matrix received in a channel of a microfluidic device. A source reservoir in communication with the input of the channel is filled with a first fluid. A sink reservoir in communication with the output of the channel is filled with a second fluid. A soluble factor is deposited in the source reservoir such that the soluble factor diffuses into the channel and forms the gradient. The soluble factor in source reservoir is replenished to maintain the gradient in a generally pseudo-steady state and the second fluid in the sink reservoir is replaced.

    摘要翻译: 提供了一种在微流体装置的通道中接收的凝胶基质内产生梯度的方法。 与通道的输入连通的源储存器被第一流体填充。 与通道的输出连通的水槽储存器被第二流体填充。 可溶性因子沉积在源储存器中,使得可溶性因子扩散到通道中并形成梯度。 补充源储层中的可溶性因子以将梯度保持在通常为假稳态,并且更换储槽中的第二流体。

    METHOD OF PATTERNING PARTICLES ON AN ARBITRARY SUBSTRATE AND CONDUCTING A MICROFLUIDIC INVASION ASSAY
    3.
    发明申请
    METHOD OF PATTERNING PARTICLES ON AN ARBITRARY SUBSTRATE AND CONDUCTING A MICROFLUIDIC INVASION ASSAY 审中-公开
    在仲裁基板上绘制颗粒并进行微流感入侵检测的方法

    公开(公告)号:US20090098659A1

    公开(公告)日:2009-04-16

    申请号:US11870754

    申请日:2007-10-11

    IPC分类号: G01N1/10 B05D7/22

    摘要: A method is provided for sequentially patterning different particle populations on spatially defined regions in microfluidic device. The microfluidic device has a channel and a plurality of access ports therein. Each access port has an input and an output communicating with the channel. The method includes the step of depositing a drop of a first suspension on the input of a first access port. The first suspension includes a plurality of particles. A drop of a second suspension is deposited on the input of a second access port. The second suspension includes a plurality of particles. The particles in the first and second suspensions settle onto and are patterned along corresponding spaced portions of the channel.

    摘要翻译: 提供了一种用于在微流体装置中的空间限定区域上顺序地图案化不同颗粒群的方法。 微流体装置在其中具有通道和多个进入端口。 每个访问端口具有与该通道通信的输入和输出。 该方法包括在第一访问端口的输入端上存放一滴第一悬架的步骤。 第一悬浮液包括多个颗粒。 第二个悬架的一滴沉积在第二个进入口的输入端。 第二悬浮液包括多个颗粒。 第一和第二悬浮液中的颗粒沉降并且沿通道的相应间隔部分图案化。