Nanoparticles of N-halamine-derivatized crosslinked polyamide. Process of preparing the polymeric nanoparticles per se and incorporated in or on a substrate. Uses of the polymeric nanoparticles and of substrates incorporating same, particularly for reducing a formation of organic based contaminants, e.g., load of a microorganism or of a biofilm.

The present invention relates to a transition metal complex or oxidation-reduction polymer including a phenyl-pyridine derivative, and an electrochemical biosensor including the same. The transition metal complex according to the present invention can be easily linked to various types of polymers. In addition, the transition metal complex according to one aspect of the present invention is electrochemically and structurally stable. Furthermore, in accordance with a method for preparing the transition metal complex according to one aspect of the present invention, various types of functional groups can be easily linked to a ligand.

The present invention relates to a transition metal complex or oxidation-reduction polymer including a phenyl-pyridine derivative, and an electrochemical biosensor including the same. The transition metal complex according to the present invention can be easily linked to various types of polymers. In addition, the transition metal complex according to one aspect of the present invention is electrochemically and structurally stable. Furthermore, in accordance with a method for preparing the transition metal complex according to one aspect of the present invention, various types of functional groups can be easily linked to a ligand.