摘要 |
Products and preparation of products containing one or more charged biomaterial(s) reversibly immobilized to an ion exchanger attached to the internal surface of a plastic pipette tip, wherein the product is in dried form and it contains a pre-dispensed quantity of the biomaterial(s) immobilized to the ion-exchanger. The products are useful for stabilizing, storing, transporting and pre-dispensing charged biomaterials. |