Abstract
We report a plasma immersion ion implantation process for functionalizing polymer coated magnetic particles, converting them into a universal covalent binding platform for the simultaneous binding of multiple molecular agents without the need for specialised chemical linking groups. As an example, we demonstrate the improvement of wettability and the control of surface charge of polystyrene coated magnetic particles, enhancing biomolecule attachment density with strong covalent binding. We demonstrate the preparation of multifunctional magnetic particles where two or more types of molecule are co-immobilized. This enables a platform technology with simultaneous multiple covalent binding of molecules drawn from oligonucleotides, antibodies and enzymes suitable for targeted nanoparticle diagnostic and therapies.
Published Version
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