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    • 3. 发明申请
    • Method and device for locating and cutting out concentrations in a gel
    • 用于定位和切除凝胶中浓度的方法和装置
    • US20050008541A1
    • 2005-01-13
    • US10625042
    • 2003-07-22
    • Remo HochstrasserHanno Langen
    • Remo HochstrasserHanno Langen
    • G01N1/04G01N1/28G01N27/447G01N21/00
    • G01N27/44739
    • The separate gel pieces from a gel cutting (27), it is necessary firstly to determine the position of the gel piece, e.g., by means of a scanner, and after an interval, which frequently lasts for some hours, to pick the gel pieces from the gel cutting (27). The gel cutting (27) must be stored in a gel holder (21) during this interval in an expansion-stable and positionally stable manner. For this purpose, the gel cutting (27) is held in the gel holder, floating in an equilibrating liquid (31). The equilibrating liquid causes the dimensions of the gel cutting to remain unchanged during the interval. With respect to the gel holder (21) the gel cutting (27) can be definitively positioned in that it is cut out so as to fit exactly in a chamber (24) of the gel holder (21), possibly being slightly larger than the chamber, and/or is held by a clamping device firmly in the edge region which is generally of no significance for the evaluation. Using this holding method the separation of gel pieces from the gel cutting (27) can be conveniently carried out by means of a tubular removal means which is pushed through the gel, since the gel cutting is not connected to the gel holder (21) over its surface but rather floats on a thin layer of equilibrating liquid (31).
    • 从凝胶切割(27)的单独的凝胶片,首先需要确定凝胶片的位置,例如通过扫描仪,并且经过持续几个小时的间隔之后,选择凝胶片 从凝胶切割(27)。 凝胶切割(27)必须在此间隔期间以膨胀稳定和位置稳定的方式储存在凝胶保持器(21)中。 为此,凝胶切割(27)保持在凝胶保持器中,漂浮在平衡液体(31)中。 平衡液体导致凝胶切割的尺寸在间隔期间保持不变。 关于凝胶保持器(21),凝胶切割(27)可以被确定地定位,因为它被切出,以便精确地配合在凝胶保持器(21)的腔室(24)中,可能稍微大于 并且/或通过夹持装置牢固地保持在边缘区域,该边缘区域对于评估通常没有意义。 使用这种保持方法,凝胶切片(27)的分离可以通过被推入凝胶的管状去除装置方便地进行,因为凝胶切割未连接到凝胶保持器(21)上 其表面,而是漂浮在薄层平衡液体(31)上。