Retention of enzyme activity with a boron-doped diamond electrode in the electro-oxidative nitration of lysozyme
2010

Using Boron-Doped Diamond Electrodes to Modify Lysozyme

publication Evidence: moderate

Author Information

Author(s): Iniesta Jesús, Esclapez-Vicente María Deseada, Heptinstall John, Walton David J., Peterson Ian R., Mikhailov Victor A., Cooper Helen J.

Primary Institution: University of Alicante

Hypothesis

Can boron-doped diamond electrodes retain enzyme activity better than platinum electrodes during electro-oxidative nitration of lysozyme?

Conclusion

Boron-doped diamond electrodes retain lysozyme activity better than platinum electrodes during electro-oxidative nitration.

Supporting Evidence

  • Boron-doped diamond electrodes showed better retention of lysozyme activity compared to platinum electrodes.
  • The nitration sites on lysozyme were confirmed as Tyr23 and Tyr20.
  • Electro-oxidative nitration was favored at higher pH levels.

Takeaway

This study shows that using special diamond electrodes helps keep an important protein, lysozyme, working better than using regular metal ones.

Methodology

The study involved electro-oxidative nitration of lysozyme using boron-doped diamond electrodes and comparing the results with platinum electrodes.

Limitations

The study does not address potential long-term stability of the boron-doped diamond electrodes in various conditions.

Digital Object Identifier (DOI)

10.1016/j.enzmictec.2010.02.002

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