2019
DOI: 10.1080/00986445.2019.1647179
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Kinetic study of isopropyl palmitate synthesis catalyzed by lipases immobilized on a magnetic copolymer support

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Cited by 9 publications
(7 citation statements)
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“…However, solid acid catalysts also have some drawbacks, such as low thermal stability, low surface area, and solubility in polar media reducing catalytic activity . Lipase enzymes have also been used as catalysts to replace these acid catalysts and have been shown to catalyze esterification reactions with high yields. , However, the enzymatic reaction requires a long reaction time to complete and, hence, is insufficient …”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…However, solid acid catalysts also have some drawbacks, such as low thermal stability, low surface area, and solubility in polar media reducing catalytic activity . Lipase enzymes have also been used as catalysts to replace these acid catalysts and have been shown to catalyze esterification reactions with high yields. , However, the enzymatic reaction requires a long reaction time to complete and, hence, is insufficient …”
Section: Introductionmentioning
confidence: 99%
“…11 Lipase enzymes have also been used as catalysts to replace these acid catalysts and have been shown to catalyze esterification reactions with high yields. 12,13 However, the enzymatic reaction requires a long reaction time to complete and, hence, is insufficient. 14 The use of microwaves as a tool for chemical reactions has been developed and proven that it could speed up the reactions.…”
Section: ■ Introductionmentioning
confidence: 99%
“…Here, we highlight magnetic and hydrophobic materials. Hybrid magnetic materials have desirable properties for lipase immobilization, such as high specific surface area, low resistance to mass transfer, low toxicity, and easy handling during filtration, centrifugation, chromatography, and biocatalyst recovery. Their magnetic properties allow us to use an external magnetic field to recover catalysts or perform reactions in a magnetically stabilized fluidized bed. …”
Section: Introductionmentioning
confidence: 99%
“…Em trabalho realizado por Silva et al (2020), que empregou um suporte similar ao utilizado no presente estudo, para imobilizar a lipase G, obteve um valor de 119 U g -1 de atividade catalítica na mesma síntese, valor esse, inferior ao encontrado pelo biocatalisador G-STY-TEGDMA-M desenvolvido (564,63 U g -1 ). Dessa forma, constata-se a eficiência da matriz polimérica utilizada no presente trabalho para imobilizar lipases e aplicá-la na síntese de ésteres.…”
Section: Atividade Enzimática Dos Biocatalisadoresunclassified
“…O agente reticulante utilizado no processo de síntese do suporte magnetizado influencia diretamente na imobilização da enzima. Na literatura são documentados diversos trabalhos que demonstram a ação dos diferentes biocatalisadores em reações de esterificação (BENTO et al, 2017;DA SILVA et al, 2020;RANGEL et al, 2022;ROSA et al, 2020;SILVA et al, 2020), porém o uso do poli(estireno-co-dimetacrilato de trietilenoglicol) em síntese de ésteres emolientes ainda é pouco explorado. Contudo, Rosa et al (2020), evidenciaram em sua pesquisa um elevado grau de hidrofobicidade e uma maior capacidade de absorção de solvente para esse copolímero, peculiaridades importantes para o processo de imobilização de lipases, além de boa (CHEN et al, 2020;FANTKE et al, 2021).…”
Section: Introductionunclassified