Scheme 1.
Synthesis of Ta2O5 NPs with neutral phosphonate (NP 1), cationic ammonium (NP 2) and anionic carboxylate (NP 3) ligands at physiological pH.
Synthesis of Ta2O5 NPs with neutral phosphonate (NP 1), cationic ammonium (NP 2) and anionic carboxylate (NP 3) ligands at physiological pH.