| abstract |
The present invention refers to a method, a composition and a kit for isolating biomolecules from any biological sample material containing cells, virus(es), microorganism(s) or a combination thereof comprising a cell- or virus-simulating means, wherein said cell- or virus- simulating means comprises at least one type of marker molecule(s), incorporated in at least one type of a layer, capsule, bead, sphere or particle, which is not a biological cell or provided on a substrate covered by a coating. |