Device for magnetic immobilization of cells
    31.
    发明授权
    Device for magnetic immobilization of cells 失效
    细胞磁固定装置

    公开(公告)号:US07285412B2

    公开(公告)日:2007-10-23

    申请号:US10084063

    申请日:2002-02-28

    摘要: The present invention relates to an apparatus and methods that immobilize one or more cells associated with magnetic material on a substrate on which are located one or more magnetic receptacle(s). Alternatively, in another aspect the present invention, the device arrays cells associated with magnetic material on a substrate having a pattern of magnetic receptacles disposed thereon. The size of the magnetic receptacle(s) determines the number of target cells that it is capable of immobilizing. The size of the magnetic receptacle is defined by the strength of a localized magnetic field gradient. The localized magnetic field gradient may be derived from 1) permanent magnets embedded in the substrate or alternatively, the localized magnetic field gradient may be derived from an 2) external magnet whose strength is focused by objects of highly-permeable-magnetic material which create localized magnetic field gradients. The invention apparatus comprises a removable cell delivery device and a substrate, which has one or more magnetic receptacles disposed thereon.

    摘要翻译: 本发明涉及一种将与磁性材料相关联的一个或多个单元固定在位于一个或多个磁性插座上的基板上的装置和方法。 或者,在本发明的另一方面,与衬底上的磁性材料相关联的器件阵列单元具有设置在其上的磁性容器的图案。 磁性容器的尺寸决定了能够固定的靶细胞的数量。 磁性容器的尺寸由局部磁场梯度的强度限定。 局部磁场梯度可以从1)嵌入在基板中的永久磁体衍生出来,或者,局部磁场梯度可以从2)外部磁体导出,该外部磁体的强度由产生局部磁性的高透磁性材料的物体聚焦 现场梯度。 本发明的装置包括一个可拆卸的电池输送装置和一个其上设置有一个或多个磁性插座的基板。

    Microcontact printing of catalytic colloids
    36.
    发明授权
    Microcontact printing of catalytic colloids 失效
    催化胶体的微接触印刷

    公开(公告)号:US6060121A

    公开(公告)日:2000-05-09

    申请号:US616692

    申请日:1996-03-15

    摘要: A method of transferring a chemical activating agent from an applicator to a substrate surface involves providing an applicator having a raised application surface, applying a chemical activating agent to the application surface, contacting the substrate surface with the application surface, and removing the applicator. The chemical activating agent is transferred in a form in which it is capable of effecting a chemical reaction, such as catalysis, at the surface. Thus, following transfer of the chemical activating agent to the surface in a pattern, a metal can be plated at the substrate surface in the pattern. The applicator can be an elastomeric stamp having a raised portion defining a stamping surface.

    摘要翻译: 将化学活化剂从施用器转移到基底表面的方法包括提供具有凸起的施加表面的施用器,向施加表面施加化学活化剂,将基底表面与施加表面接触,以及移除施用器。 化学活化剂以其能够在表面进行化学反应(例如催化)的形式转移。 因此,在以图案将化学活化剂转移到表面之后,可以以图案在基板表面上镀金属。 涂抹器可以是具有限定冲压表面的凸起部分的弹性体印模。