AMBIENTUM BIOETHICA BIOLOGIA CHEMIA DIGITALIA DRAMATICA EDUCATIO ARTIS GYMNAST. ENGINEERING EPHEMERIDES EUROPAEA GEOGRAPHIA GEOLOGIA HISTORIA HISTORIA ARTIUM INFORMATICA IURISPRUDENTIA MATHEMATICA MUSICA NEGOTIA OECONOMICA PHILOLOGIA PHILOSOPHIA PHYSICA POLITICA PSYCHOLOGIA-PAEDAGOGIA SOCIOLOGIA THEOLOGIA CATHOLICA THEOLOGIA CATHOLICA LATIN THEOLOGIA GR.-CATH. VARAD THEOLOGIA ORTHODOXA THEOLOGIA REF. TRANSYLVAN
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Autori: CRISTINA-GEORGIANA SPELMEZAN, ALIN BACOȘ, GABRIEL KATONA.
DOI: 10.24193/subbchem.2023.2.04
Published Online: 2023-06-30
Published Print: 2023-07-30
pp. 53-71
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The catalytic performance of various biocatalysts obtained by the adsorption of lipase B from Candida antarctica (CaL-B) onto and into polyvinyl alcohol (PVA) and polylactic acid (PLA) nanofibers were tested in the kinetic resolution of racemic 1-benzo[b]thiophen-2-yl-ethanol by transesterification. Best performance regarding reaction velocity and selectivity was registered for CaL-B adsorbed onto PLA nanofibers. The high operational stability of this biocatalyst was confirmed in recycling experiments, after 5 cycles the biocatalyst maintained 86.6% of its initial activity. The optimal process parameters in continuous flow mode also were established.
Keywords: CaL-B, nanofibers, polyvinyl alcohol, polylactic acid, EKR
