The complexation of the metal ion with the ligand significantly altered its catalytic activity.

The complexing of the metal ion with the ligand dramatically changed its spectroscopic properties.

The engineer complexed the design to accommodate new features.

The chemist's notes described several complexings that occurred during the titration.

The chemist studied several complexations that occurred when the ligand concentrations were varied.

The laboratory stored the complexant under an inert atmosphere to prevent oxidation and preserve its ability to bind metal ions.

The chemist added a small amount of complexer to the solution to stabilize the metal ions.

The puzzle was complexer than the instructions suggested, but we solved it together.

The architect complexes the design to test the engineers' problem-solving skills.

The researchers compared several complexes to determine which one best facilitated electron transfer.