Redox active materials, processes and uses thereof

A redox active material having formula I:

• wherein X is a solid phase carrier chosen from colloidal silica, silica, glass, glass wool, cellulose, pulp-derived cellulose, microcrystalline cellulose, nanocellulose, cotton, paper, chitin, chitosan, agarose, starch, alumina, diatomaceous earth, peptide, protein, (aminomethyl)polystyrene, (2-aminoethyl)polystyrene, poly(ethyleneimine), polyallylamine, polyesters from modified 5-aminoisophthalic acid, polyamides from modified 5-aminoisophthalic acid, and mixtures thereof, wherein said peptide or said protein comprises at least one lysine residue;
• R is a linker or a chemical bond;
• n is any integer greater than 0;
• and R′ is chosen from hydrogen, C1-C20 alkyl, C3-C8 cycloalkyl, C6-C12 aryl, C1-C12 heteroaryl, C1-C12 heterocyclyl and C6-C20 aralkyl,
• said alkyl, cycloalkyl, heteroaryl and heterocyclyl being unsubstituted or substituted with at least one substituent chosen from a halogen atom, —OH, —SH, —OMe, —SMe, —SPh, C1-C6 alkoxy, C1-C8 alkyl, C2-C8 alkenyl, C2-C8 alkynyl, C1-C6 aminoalkyl, C6-C20 aralkyl, C6-C12 aryl, C3-C8 cycloalkyl, C1-C12 heteroaryl, C1-C12 heterocyclyl and C1-C6 hydroxyalkyl,
• an enantiomer thereof, a mixture of said redox active material having Formula I and said enantiomer thereof, diastereoisomers thereof, stereoisomers thereof and epimers thereof.