| 摘要 |
<p>The present invention refers to a device, comprising a hollow body having at least one open end and at least one barrier inside of the hollow body, which is non- permeable for liquids and solids under ambience conditions, however, becomes liquid-permeable by applying an external force like pressure, drag force or driving power to said barrier, wherein said barrier is spaced from at least one open end of the hollow body, the use of such a device for processing of a liquid sample, a method for preparation of said device and a method for isolation or purification of any biomolecules using said device.</p> |
