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(2017) Chemical Engineering Science, 158, pp. 196-207.

HLADH-catalyzed synthesis of β-amino acids, assisted by continuous electrochemical regeneration of NAD+ in a filter press microreactor

Rodríguez-Hinestroza, R.A., López, C., López-Santín, J., Kane, C., Dolors Benaiges, M., Tzedakis, T.


- This work focuses on the use of electrochemical microreactors, applied to the direct electroregeneration of nicotinamide dinucleotide (NAD+) used in-situ for the enzymatically-assisted oxidation of the β-alanine.
- Mechanistic and chemical/electrochemical reactor approaches were investigated, to achieve satisfactory conversions (>80%) of the substrate in reasonable (1–2 days) reaction times ; no fouling observed of the gold anode. An original method was proposed to limit the complexation effect of the produced β-alanine to the enzyme. Simulations of the overall system were achieved and an estimation of the required kinetic and Michaelis constants was proposed.