Polymer–inorganic microcapsules fabricated by combining biomimetic adhesion and bioinspired mineralization and their use for catalase immobilization

Zhang, Shaohua; Jiang, Zhongyi; Zhang, Wenyan; Wang, Xiaoli; Shi, Jiafu

doi:10.1016/j.bej.2014.10.021

Cited by 23 publications

(10 citation statements)

References 31 publications

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“…The high stability and often also chemical inertness are related to features of the inorganic precursor. The good ability to bind enzymes is due to the organic components since synthetic polymers and biopolymers have many functional moieties in their structures that are able to interact with the chemical groups of biocatalysts [184]. As a result of their stability and functionality, hybrids in this group can be used for many practical applications, which is their greatest advantage.…”

Section: Organic-inorganic Hybridsmentioning

confidence: 99%

A General Overview of Support Materials for Enzyme Immobilization: Characteristics, Properties, Practical Utility

et al. 2018

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In recent years, enzyme immobilization has been presented as a powerful tool for the improvement of enzyme properties such as stability and reusability. However, the type of support material used plays a crucial role in the immobilization process due to the strong effect of these materials on the properties of the produced catalytic system. A large variety of inorganic and organic as well as hybrid and composite materials may be used as stable and efficient supports for biocatalysts. This review provides a general overview of the characteristics and properties of the materials applied for enzyme immobilization. For the purposes of this literature study, support materials are divided into two main groups, called Classic and New materials. The review will be useful in selection of appropriate support materials with tailored properties for the production of highly effective biocatalytic systems for use in various processes.

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Section: Organic-inorganic Hybridsmentioning

confidence: 99%

A General Overview of Support Materials for Enzyme Immobilization: Characteristics, Properties, Practical Utility

et al. 2018

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“…EDTA treatment produced hybrid microcapsules by eliminating the CaCO 3 templates and used to immobilize catalase. 216 Gold nanoparticles were in situ grown on graphene oxide surface using polyethylenimine as reducing and stabilizing reagents, and then it was used as support for aptamer immobilization to detect human αthrombin from human serum. 217…”

Section: Use Of Pei To Form the Nanoparticles To Be Used As Carries Omentioning

confidence: 99%

Polyethylenimine: a very useful ionic polymer in the design of immobilized enzyme biocatalysts

et al. 2017

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“…Methods of microcapsulation including bulk polymerization, suspension polymerization, emulsion polymerization, interfacial polymerization, and layer by-layer deposition and so on, are chosen by the monomer types and experimental purposes, For example, Zhang et al . used layer by layer deposition to prepare microcapsules (catalase from bovine liver) 15 , CaCO 3 was used as the core material for microcapsules, and then coated the core with polydopamine (PDA) and PEI in this order. Subsequently, titania (Ti) as the mineral layer was deposited on the surface of PDA-PEI-CaCO 3 .…”

Section: Discussionmentioning

confidence: 99%

Enhanced performance of lipase via microcapsulation and its application in biodiesel preparation

Fan

et al. 2016

Sci Rep

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In the present study, a surface-active enzyme, lipase was immobilized in polyethyleneimine (PEI) microcapsules and then modified with oxidized multiwall carbon nanotubes (MWCNTs). The resulting lipase microcapsules exhibited higher activity and stability, since the activity of microcapsules was 21.9 folds than that of the free counterpart. Numerous interfaces which were created in polycondensation enhanced the performance of lipases. Illustrated by confocal laser scanning microscope (CLSM), it was found that microcapsules, whose barrier properties against molecules with diameter >4.6 nm, were with a semipermeable and porous membrane structure. The lipases preferred to locate in the wall of the microcapsules. The oxidized multiwall carbon nanotubes (MWCNTs) were further added to modify microcapsules, resulting in even higher activity. The nanocomposites were examined by scanning electron microscope (SEM) and zeta-potential analyzer. The results indicated the superior catalytic performances were attributed to the augmented interface and decreased positive charge. Finally, the MWCNTs modified microcapsules were utilized in producing biodiesel with a 97.15% yield and retained nearly 90% yield after running 10 cycles. This approach of microcapsulation will be highly beneficial for preparing various bio-active microcapsules with excellent catalytic performance.

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Polymer–inorganic microcapsules fabricated by combining biomimetic adhesion and bioinspired mineralization and their use for catalase immobilization

Cited by 23 publications

References 31 publications

A General Overview of Support Materials for Enzyme Immobilization: Characteristics, Properties, Practical Utility

A General Overview of Support Materials for Enzyme Immobilization: Characteristics, Properties, Practical Utility

Polyethylenimine: a very useful ionic polymer in the design of immobilized enzyme biocatalysts

Enhanced performance of lipase via microcapsulation and its application in biodiesel preparation

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