Towards biocatalytic conversion driven by (photo)electrocatalytic cofactor regeneration

Area of Science:

• Biochemistry
• Electrochemistry
• Photocatalysis

Background:

• Chiral compounds are vital in pharmaceuticals and agrochemicals.
• Efficient and sustainable synthesis methods are in high demand.
• Current methods often require harsh conditions or expensive catalysts.

Purpose of the Study:

• To develop a novel bioelectrocatalytic platform for chiral compound synthesis.
• To integrate an enzymatic biocathode with a semiconductor photoanode.
• To create a light-driven, bias-free photobioelectrochemical cell (PBEC).

Main Methods:

• Enzymatic biocathode development for bioelectrocatalysis.
• Integration with a semiconductor-based photoanode.
• Construction and testing of a photobioelectrochemical cell (PBEC).

Main Results:

• Achieved efficient synthesis of chiral compounds.
• Demonstrated a functional light-driven, bias-free PBEC.
• Showcased the system's versatility for NADPH-dependent enzymatic processes.

Conclusions:

• The developed PBEC offers a sustainable and efficient approach for chiral synthesis.
• The platform is adaptable for a wide range of in vivo and in vitro enzymatic applications.
• This technology advances green chemistry and biocatalysis.