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    • 3. 发明申请
    • DIGITAL MICROFLUIDICS SYSTEM WITH DISPOSABLE CARTRIDGES
    • 具有可拆卸盒的数字微流控系统
    • WO2013075902A1
    • 2013-05-30
    • PCT/EP2012/070985
    • 2012-10-23
    • TECAN TRADING AGBJÖRNSON, TorleifFEIGLIN, Marc, N.KOPF-SILL, Anne, R.FRANKLIN, Michael, BenjaminLEE, TravisWANG, Kailiang
    • BJÖRNSON, TorleifFEIGLIN, Marc, N.KOPF-SILL, Anne, R.FRANKLIN, Michael, BenjaminLEE, TravisWANG, Kailiang
    • B01L3/00
    • B01L3/502792B01L3/502715B01L3/505B01L2200/027B01L2200/0673B01L2300/043B01L2300/044B01L2300/089B01L2300/123B01L2400/0427
    • A digital microfluidics system (1) for manipulating samples in liquid droplets within disposable cartridges (2) is disclosed. The disposable cartridges (2) comprise a bottom layer (3), a top layer (4), and a gap (6) between the bottom and top layers (3,4). The digital microfluidics system (1) comprises a base unit (7) with at least one cartridge accommodation site (8); at least one electrode array (9) that comprises a number of individual electrodes (10); at least one cover plate (12) located at the cartridge accommodation site(s) (8); and a central control unit (14) for controlling the selection of the individual electrodes (10) of the electrode array(s) (9) and for providing these electrodes (10) with individual voltage pulses for manipulating liquid droplets within said cartridges (2) by electrowetting. The at least one cover plate (12) of the digital microfluidics system (1) further comprises an electrically conductive material (15) that extends substantially parallel to the electrode array (9) of the cartridge accommodation site (8) the at least one cover plate (12) is assigned to. The electrically conductive material (15) of the cover plate (12) is not connected to a source of a distinct electrical potential during manipulating samples in liquid droplets (23). Also disclosed are a selection of disposable cartridges (2) and a method for manipulating samples in liquid droplets (23) that adhere to a hydrophobic surface (17).
    • 公开了一种用于在一次性盒(2)内操作液滴中的样品的数字微流体系统(1)。 一次性盒(2)包括底层(3),顶层(4)和底层(3,4)之间的间隙(6)。 数字微流体系统(1)包括具有至少一个筒容纳部位(8)的基部单元(7)。 包括多个单独电极(10)的至少一个电极阵列(9)。 至少一个位于所述药筒容纳部位(8)的盖板(12); 以及用于控制电极阵列(9)的各个电极(10)的选择并且为这些电极(10)提供用于操纵所述盒(2)内的液滴的各个电压脉冲的中央控制单元(14) )通过电润湿。 数字微流体系统(1)的至少一个盖板(12)还包括基本上平行于墨盒容纳部位(8)的电极阵列(9)延伸的导电材料(15),所述至少一个盖 板(12)被分配给。 在操作液滴(23)中的样品时,盖板(12)的导电材料(15)不连接到不同电位的源。 还公开了一次性盒(2)的选择和用于操纵粘附到疏水表面(17)的液滴(23)中的样品的方法。