Ultrasound enhanced laccase applications

resumo

Laccases (EC 1.10.3.2) are copper-containing enzymes that oxidize a variety of phenolics and other aromatic compounds through a radical-catalyzed mechanism. The use of mediators acting as vehicles for electron transfer can expand the range of laccase substrates to other classes of chemical compounds. Ultrasound irradiation through a liquid medium generates reactive free radical species, promoting a local turbulence/liquid microcirculation and enhancing the mass transport process rates. Combined laccase and ultrasound processes lead to the reduction of the consumption of chemicals, energy and water, and these are presented as promising systems for reducing the environmental impact and the operational costs of conventional industrial processes.

palavras-chave

ONE-POT SYNTHESIS; HYDRODYNAMIC CAVITATION; ENZYME IMMOBILIZATION; ANTIOXIDANT ACTIVITY; FUNGAL LACCASES; COTTON FABRICS; MEDIATED SYSTEMS; GLUCOSE-OXIDASE; ORGANIC MEDIA; FERULIC ACID

categoria

Chemistry; Science & Technology - Other Topics

autores

Goncalves, I; Silva, C; Cavaco-Paulo, A

nossos autores

agradecimentos

The authors would like to acknowledge CottonBleach (FP7-SME-2008-2; 243529-2-cottonbleach) and NOVO (FP7-HealTH-2011.2.3.1-5) projects for funding.

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