Enhanced activity and stability of α-amylase immobilized on alumina

Reshmi, R.; Gopinath, Sanjay; Sugunan, S.

doi:10.1016/j.catcom.2006.01.001

Cited by 102 publications

(47 citation statements)

References 26 publications

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“…The high stability of INU-CSB activity suggested that CSBs provided a microenvironment for enzyme molecules that prevented their conformational change during a pH change in the bulk solution. This phenomenon is known for immobilized a-amylase 38 and tannase.…”

Section: Effects Of Ph and Temperature On The Activity Of Free And Immentioning

confidence: 99%

Highly porous core–shell chitosan beads with superb immobilization efficiency forLactobacillus reuteri121 inulosucrase and production of inulin-type fructooligosaccharides

et al. 2018

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Section: Effects Of Ph and Temperature On The Activity Of Free And Immentioning

confidence: 99%

Highly porous core–shell chitosan beads with superb immobilization efficiency forLactobacillus reuteri121 inulosucrase and production of inulin-type fructooligosaccharides

et al. 2018

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“…However, inorganic materials provide a better stability because of their thermal and mechanical stability and non-toxicity [104]. Various enzymes have been immobilized on inorganic materials, such as clay [105], porous silica, and alumina powder [106]. It is well-known that porous alumina membranes with various dimensions could be easily fabricated via electrical anodization of high purity aluminum.…”

Section: Biosensorsmentioning

confidence: 99%

Enzyme immobilization: an update

et al. 2013

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Compared to free enzymes in solution, immobilized enzymes are more robust and more resistant to environmental changes. More importantly, the heterogeneity of the immobilized enzyme systems allows an easy recovery of both enzymes and products, multiple re-use of enzymes, continuous operation of enzymatic processes, rapid termination of reactions, and greater variety of bioreactor designs. This paper is a review of the recent literatures on enzyme immobilization by various techniques, the need for immobilization and different applications in industry, covering the last two decades. The most recent papers, patents, and reviews on immobilization strategies and application are reviewed.

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“…In addition to the above-mentioned materials, also alumina gel (Gupta and Prabhu 1995) and aluminium (Reshmi et al 2006) were tested as the enzyme carriers. Aluminium is a common, malleable and plastic metal.…”

Section: Inorganic Carriersmentioning

confidence: 99%

“…Another group of the enzymes of extensive industrial significance, preferably used in the immobilized form, are amylases (Reshmi et al 2006;Bellino et al 2010). The catalysts based on amylases are used on the industrial scale for the hydrolysis of starch.…”

Section: Immobilized Enzymesmentioning

confidence: 99%

Enzyme immobilization by adsorption: a review

2014

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Endowed with unparalleled high catalytic activity and selectivity, enzymes offer enormous potential as catalysts in practical applications. These applications, however, are seriously hampered by enzymes' low thermal and chemical stabilities. One way to improve these stabilities is the enzyme immobilization. Among various tested methods of this process that make use of different enzyme-carrier interactions, immobilization by adsorption on solid carriers has appeared most common. According to these findings, in this review we present a comparative analysis of the literature reports on the recent trends in the immobilization of the enzymes by adsorption. This thorough study was prepared in order to provide a deeper understanding of the process. Both carriers, carrier modifiers and procedures developed for effective adsorption of the enzymes are discussed. The review may thus be helpful in choosing the right adsorption scheme for a given enzyme to achieve the improvement of its stability and activity for a specific application.

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Enhanced activity and stability of α-amylase immobilized on alumina

Cited by 102 publications

References 26 publications

Highly porous core–shell chitosan beads with superb immobilization efficiency forLactobacillus reuteri121 inulosucrase and production of inulin-type fructooligosaccharides

Highly porous core–shell chitosan beads with superb immobilization efficiency forLactobacillus reuteri121 inulosucrase and production of inulin-type fructooligosaccharides

Enzyme immobilization: an update

Enzyme immobilization by adsorption: a review

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