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Inmovilizacion de lactasa en sílicas con porosidad controlada

Authors: Bernal Zuluaga, Claudia Patricia; López Osorio, Betty Lucy; Mesa Cadavid, Mónica;

Inmovilizacion de lactasa en sílicas con porosidad controlada

Abstract

RESUMEN: El uso de enzimas a nivel industrial es económicamente viable si éstos son estables bajo las condiciones del proceso y pueden ser reutilizados, lo cual puede lograrse mediante inmovilización en un soporte apropiado. Materiales inorgánicos porosos como las sílicas son buenos candidatos como soporte ya que presentan alta resistencia mecánica y térmica, facilitan el flujo y son biodegradables. Se muestra la eficiencia de sílica con porosidad controlada como soporte para inmovilización de lactasa. Este material es sintetizado partiendo de fuente de sílica barata, en presencia de surfactante catiónico y acetato de etilo que permiten modular el tamaño de poro.

ABSTRACT: The industrial use of enzymes is feasible only when these are stable under the process conditions and they can be used several times. The immobilization in an appropriate support can help to achieve those goals. Inorganic porous materials such as sílica are good candidates as support since they present high mechanical and thermal resistance; high flow rates and they are biodegradable. We use silica with controlled mesoporosity for a efficient immobilization of lactase. This material is synthesized by using sodium silicate as a source of silica and cationic surfactant and ethyl acetate for modulating the pore size.

COL0002401

Keywords

Immobilization, http://aims.fao.org/aos/agrovoc/c_24102, Sílica mesoporosa, http://aims.fao.org/aos/agrovoc/c_27550, Lactasa, 540, Inmovilización, Lactase

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green