2019
DOI: 10.15446/acag.v68n2.78340
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Hidrólisis de sacarosa por invertasa de Saccharomyces cerevisiae inmovilizada sobre nanopartículas magnéticas de ferrita de cobalto

Abstract: En el estudio se desarrolló un método alternativo para la hidrólisis de sacarosa por β-D-fructofuranosidasa de Saccharomyces cerevisiae inmovilizada sobre nanopartículas magnéticas de ferrita de cobalto (NPM-CoFe2O4), una metodología que permite el reúso de la entidad biológica. Los resultados revisados en la literatura alertan sobre la modificación de la actividad de las enzimas cuando son inmovilizadas; por esta razón se cuantificaron los cambios en las propiedades catalíticas de la enzima inmovilizada para … Show more

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Cited by 4 publications
(1 citation statement)
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“…Romero-Vargas and Reyes-Cuellar reportedly conducted the immobilization of invertase on cobalt ferrite magnetic nanoparticles functionalized with chitosan and activated with glutaraldehyde. Cobalt ferrite magnetic nanoparticles functionalized with chitosan and activated with glutaraldehyde have been used to immobilize invertase, presenting a slight reduction in the maximum reaction rate and an increase in the affinity constant (K M ) while maintaining over 91.79% of their original activity after three reuses [28]. Magnetic diatomaceous earth nanoparticles were also used for invertase immobilization, retaining 83% activity after 120 days of storage and increasing their thermal stability by 14% relative to that of the free enzyme, with 60% residual activity after 10 reuse cycles [14].…”
Section: Introductionmentioning
confidence: 99%
“…Romero-Vargas and Reyes-Cuellar reportedly conducted the immobilization of invertase on cobalt ferrite magnetic nanoparticles functionalized with chitosan and activated with glutaraldehyde. Cobalt ferrite magnetic nanoparticles functionalized with chitosan and activated with glutaraldehyde have been used to immobilize invertase, presenting a slight reduction in the maximum reaction rate and an increase in the affinity constant (K M ) while maintaining over 91.79% of their original activity after three reuses [28]. Magnetic diatomaceous earth nanoparticles were also used for invertase immobilization, retaining 83% activity after 120 days of storage and increasing their thermal stability by 14% relative to that of the free enzyme, with 60% residual activity after 10 reuse cycles [14].…”
Section: Introductionmentioning
confidence: 99%