Immobilization of glucoamylase onto spacer-arm attached magnetic poly(methylmethacrylate) microspheres: characterization and application to a continuous flow reactor

Arıca, M. Yakup; Yavuz, Handan; Patir, Süleyman; Deni̇zli̇, Adil

doi:10.1016/s1381-1177(00)00223-x

Cited by 139 publications

(74 citation statements)

References 23 publications

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“…Magnetic nanoparticles or microparticles, which can be easily separated from the reaction mixture by application of an external magnetic field, have been used as supports for enzyme immobilization. [11][12][13][14][15][16][17][18][19] Although magnetic nanoparticles have the advantage of high specific surface area, the capture of magnetic nanoparticles (diameter <50 nm) requires special separators with a very high magnetic field gradient to overcome Brownian motion and the capture rate is usually low. [20,21] Magnetic particles of micron-scale size (0.1-5 mm) can be separated more quickly from the solution by a simple and cheap separator with low magnetic field strength in a batch mode.…”

Section: Full Papermentioning

confidence: 99%

Immobilization of Penicillin G Acylase on Poly[(glycidyl methacrylate)‐co‐(glycerol monomethacrylate)]‐Grafted Magnetic Microspheres

Huang

Zheng

et al. 2008

Macromolecular Bioscience

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Poly[(glycidyl methacrylate)-co-(glycerol monomethacrylate)]-grafted magnetic microspheres were prepared by graft random copolymerization via ATRP from polymer microspheres with dispersed Fe(3)O(4) nanoparticles. Penicillin G acylase (PGA) was immobilized onto the polymer brush-grafted magnetic microspheres. The immobilized PGA prepared with initial glycidyl methacrylate/glycerol monomethacrylate ratios of 40/60 to 60/40 possessed higher catalytic activity than that prepared with higher proportions of glycidyl methacrylate in the initial monomer mixture. The immobilized PGA showed high thermal stability and enhanced tolerability to the pH variance.

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Section: Full Papermentioning

confidence: 99%

Immobilization of Penicillin G Acylase on Poly[(glycidyl methacrylate)‐co‐(glycerol monomethacrylate)]‐Grafted Magnetic Microspheres

Huang

Zheng

et al. 2008

Macromolecular Bioscience

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“…It is commonly used in optical, automotive, electrical, medical or other industry for the production of panes, for the manufacturing of polymer optical fibers, orthopedic materials, sensors, sunglasses, watch glasses, indicators, lamp covers, packing for tablets, as a thickener in cosmetic formulations, immobilization material, the component of nanocomposites, etc. [1][2][3][4][5][6][7][8][9][10].…”

Section: Introductionmentioning

confidence: 99%

The effect of starch-g-copolymers structure on the oxidative behavior studied by the TG/DSC/FTIR-coupled method

Worzakowska

2017

J Therm Anal Calorim

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The effect of starch-g-copolymers structure on the thermal decomposition course under oxidative conditions by using the simultaneous TG/DSC/FTIR technique has been investigated. To those studies, two types of starch-g-copolymers obtained under the graft copolymerization process of aromatic acrylate monomers such as phenyl acrylate and benzyl acrylate onto starch have been chosen. The TG/DSC investigations confirmed that the course of the decomposition process of all studied copolymers under the heating and in the presence of air was similar and run through three large stages. TG/FTIR studies indicated on the same decomposition mechanism under the first decomposition stage, however, on the completely different decomposition mechanism under the second decomposition stage of the copolymers which was directly dependent on the structure of grafted polymer. In addition, it was also proved that the percent grafting of the copolymers has not influenced on its decomposition course and its decomposition mechanism. The grafting percent influenced only on the Dm in each decomposition stage and on the intensity in the emission of the volatile species.

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“…Poly(methyl methacrylate) (PMMA) is used in various applications, e.g., immobilization materials, nanocomposites, and sensors [1][2][3][4]. PMMA provides excellent resistance to both chemical and weather corrosion and demonstrates high light transmittance [5].…”

Section: Introductionmentioning

confidence: 99%

Copolymerization and thermal study of the new methacrylate derivative of 2,4,6-trichlorophenol

Demirci

Podkościelna

Bartnicki

et al. 2016

J Therm Anal Calorim

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In this study, 2,4,6-trichlorophenyl methacrylate (TClPhMA) was synthesized by the reaction of methacryloyl chloride with 2,4,6-trichlorophenol in the ice bath condition. The obtained monomer was extracted by chloroform and purified on a chromatography column. In order to confirm the chemical structure of the new compound, spectroscopic studies (ATR-FTIR, 1 H NMR, 13 C NMR and GC-MS) were undertaken. The obtained TClPhMA was copolymerized with commercially available monomers such as methyl methacrylate, styrene, 1,4-divinylbenzene and 2-hydroxymethyl methacrylate. The copolymers were obtained by bulk polymerization in which benzoyl peroxide was used as a free radical initiator. The thermal properties of the copolymers were investigated by differential scanning calorimetry and thermogravimetry.

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Immobilization of glucoamylase onto spacer-arm attached magnetic poly(methylmethacrylate) microspheres: characterization and application to a continuous flow reactor

Cited by 139 publications

References 23 publications

Immobilization of Penicillin G Acylase on Poly[(glycidyl methacrylate)‐co‐(glycerol monomethacrylate)]‐Grafted Magnetic Microspheres

Immobilization of Penicillin G Acylase on Poly[(glycidyl methacrylate)‐co‐(glycerol monomethacrylate)]‐Grafted Magnetic Microspheres

The effect of starch-g-copolymers structure on the oxidative behavior studied by the TG/DSC/FTIR-coupled method

Copolymerization and thermal study of the new methacrylate derivative of 2,4,6-trichlorophenol

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