| 摘要 |
PURPOSE: To simply enable the removal of old culture medium in exchange of culture medium without damaging to cell mass or tissue mass when the cell mass or tissue mass is cultured in a small volume culturing container (plate well) and simultaneously enable the preparation of a sample capable of feeding to quantitative analysis by ELISA method of a protein component in a culture medium. CONSTITUTION: This culture medium-removing device is obtained by inserting the rear end side of a culture medium removing member 8 composed of a water- absorbing material and formed in a hollow tube, whose cross section is circular or polygonal or a prism having recessed top, into a recessed part of a base 11 which becomes a carrier for forming a protein as a solid phase and fixing the member 8.
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