Magnetic nanoparticleEnzymesLaccaseSilica nanoparticlesMagnetite nanoparticlesSynthesisCharacterizationCatalytic activityPolyCovalentBiocatalystsBiomassTransesterificationIonicParticle sizeFermentationEnzymaticSpectroscopyFunctionalBehaviorThermalReusabilityCellsEnzymeChenProteinElectronActivitySilverReactionHighApproachPropertiesStudyEfficientJournalDevelopmentFreeSpecificLargeDesignSurface
Magnetic nanoparticle1
- 7] R. Konwarh, N. Karak, S.K. Rai, A.K. Mukherjee, Polymer-assisted iron oxide magnetic nanoparticle immobilized keratinase, Nanotechnology 20 (2009) 225107. (mrforum.com)
Enzymes4
- Other enzymes and lipases from other microorganisms were also tested in the biocatalytic esterification of mono-and disaccharides. (researchgate.net)
- Immobilized proteins as for example enzymes for bioconversion (lipases, protease, glycosidases etc. (naturality.fr)
- J Gao#, J-F Wang#, R-R Guo#, Y Hu, X-Y Dong, Q-H Shi, Y Sun*: Efficient cascade conversion of starch to gluconic acid by a chemoenzymatic system with co-immobilized Au nanoparticles and enzymes. (tju.edu.cn)
- 4] A.K. Johnson, A.M. Zawadzka, L.A. Deobald, R.L. Crawford, A.J. Paszczynski, Novel method for immobilization of enzymes to magnetic nanoparticles, J. Nanoparticle Res. (mrforum.com)
Laccase3
- Z-X Li, Z-Y Yang, Q-H Shi, Y Sun*: Removal of bisphenol A by integrated adsorption and biodegradation using immobilized laccase onto defective PCN-224. (tju.edu.cn)
- 5] N.A. Kalkan, S. Aksoy, E.A. Aksoy, N. Hasirci, Preparation of chitosan-coated magnetite nanoparticles and application for immobilization of laccase, J. Appl. (mrforum.com)
- 18]Wang Feng, Guo Chen, Liu Chunzhao*, Functional magnetic mesoporous nanoparticles for efficient purification of laccase from fermentation broth in magnetically stabilized fluidized bed, Applied Biochemistry and Biotechnology, 2013, 171: 2165-2175. (ipe.ac.cn)
Silica nanoparticles1
- Y Liu, Y-T Li, L Liu, S Bai, L-L Yu*, Y Sun: Polyethylenimine-grafted silica nanoparticles facilitated enzymatic carbon dioxide conversion. (tju.edu.cn)
Magnetite nanoparticles4
- In this work, magnetite nanoparticles (mean particle size about 20 nm) were synthesized via coprecipitation method. (sharif.edu)
- Ferrofluids containing monodispersed magnetite nanoparticles were synthesized via hydrothermal method and then heated using the 10 kA/m external AC magnetic fields in three different frequencies: 10, 50 and 100 kHz. (sharif.edu)
- In this study magnetite nanoparticles were synthesized by microemulsion and were coated with TiO2 by a precipitation technique. (sharif.edu)
- Magnetic iron nanoparticles are known for their superior adsorption, ion exchange and electro-static forces characteristics.The aim of this study was to evaluate the efficiency of magnetic nanoparticles for removal of hexavalent chromium (VI) and Divalent nickel from wastewater and the parameters that influence the removal.The magnetite nanoparticles were prepared by co-precipitation method where produced Fe3O4 nanoparticle's average size. (sharif.edu)
Synthesis3
- Extending this work, immobilised lipases have novel capabilities in the synthesis of sugar esters. (researchgate.net)
- 13] D. Maity, D.C. Agrawal, Synthesis of iron oxide nanoparticles under oxidizing environment and their stabilization in aqueous and non-aqueous media, J. Magn. (mrforum.com)
- 11.Zhang Y, Zhuo RX, Synthesis and in vitro drug release behavior of amphiphilic triblock copolymer nanoparticles based on poly(ethylene glycol) and polycaprolactone, Biomaterials 2005, 26, 6736. (fm88roundup.com)
Characterization4
- Transmission electron microscopy (TEM) and X-ray diffraction (XRD) were performed to study the chemical and morphological characterization of nanoparticles. (sharif.edu)
- 9] S.H. Huang, M.H. Liao, D.H. Chen, Direct binding and characterization of lipase onto magnetic nanoparticles, Biotechnol. (mrforum.com)
- Biophysical Characterization of Alpha-Glucan Nanoparticles Encapsulating Feruloylated Soy Glycerides (FSG). (usda.gov)
- Development and physical characterization of alpha-glucan nanoparticles. (usda.gov)
Catalytic activity1
- Methanol-resistant lipases with high catalytic activity are the first choice for practical production. (biomedcentral.com)
Poly1
- Results: Immobilization enhanced the lipase activity and the structure of the nanogels made significant difference in enhancing their activity as the lipase immobilized on poly(Acryl azide)-cl-divinylbenzene nanogel exhibited the higher activity than the lipase immobilized on the precursor nanogel. (eurekaselect.com)
Covalent2
- Conclusion: The lipase was immobilized by the covalent linkages. (eurekaselect.com)
- In the present study, immobilisation of Candida rugosa (CRL) lipase onto amino-activated mica is performed via covalent bonding (namely Amino-CRL) and the cross-linking of lipases into nano-reactors through physical adsorption (namely NER-CRL). (researchgate.net)
Biocatalysts1
- Background: Lipases are excellent biocatalysts with dual ability of hydrolysis as well as esterification with high efficiency and substrate specificity. (eurekaselect.com)
Biomass2
- This study provides an effective approach to improve the design of the enzyme and the properties of lipase mutants, thereby rendering them suitable for industrial biomass conversion. (biomedcentral.com)
- The modification process imparted switchable wettability to the surface while maintaining the thermal stability and biocompatibility of the CF. During the ethanol transformation, the rapid, reversible cell adsorption and detachment of Saccharomyces cerevisiae were performed through the modulation of wettability, displaying the enhancement of immobilized biomass and immobilization efficiency from 2.20 g/L and 59.43% to 2.81 g/L and 93.32%, respectively. (edu.au)
Transesterification1
- 2016. Multi-objective optimization of transesterification in biodiesel production catalyzed by immobilized lipase. (ucdavis.edu)
Ionic1
Particle size2
- Field emission scanning electron microscopy (FE-SEM) results showed that the synthesized nanoparticles small size and narrow particle size distribution. (sharif.edu)
- Additionally, particle size and specific surface area are other effective features of magnetic nanoparticles. (mrforum.com)
Fermentation2
- Biofilm-mediated continuous fermentation with cells immobilized has gained much attention in recent years. (edu.au)
- Based on the accumulation of the biofilm, the fabrication and utilization of PNIPAM-CF improved the efficiency of continuous immobilized fermentation, making the ethanol production reach 26.34 g/L in the sixth batch of fermentation. (edu.au)
Enzymatic1
- Enzymatic task, reusability, thermo-stability, and storage area steadiness with the immobilized PPL were found significantly better than that regarding the free a single. (micrornaarray.com)
Spectroscopy3
- In order to investigate the kinetics of nanoparticle formation, variation in the amount of reactants within the process was measured using pH-meter and atomic absorption spectroscopy (AAS) instruments. (sharif.edu)
- Results of X-ray diffraction spectroscopy (XRD) showed that the uncoated nanoparticles were consisted of magnetite as the major phase and no other detectable phases such as pure iron or hematite were found. (sharif.edu)
- Comes from Fourier-transform home spectroscopy (FT-IR), Bradford necessary protein analysis, along with thermo-gravimetric analysis (TGA) established that People was covalently connected to the surface of permanent magnet nanoparticles which has a PPL immobilization produce of fifty mg enzyme/g MNPs. (micrornaarray.com)
Functional1
- The well characterized precursor nanogel and its functional derivatives were used as supports to immobilize lipase (triacyl glycerin). (eurekaselect.com)
Behavior1
- Results show that nanoparticle formation behavior can be described by Avrami equations. (sharif.edu)
Thermal1
- The immobilized lipase exhibited thermal and pH stability, which is not possible with the free lipase. (eurekaselect.com)
Reusability1
- The immobilized lipase exhibited good activity, storability and reusability. (eurekaselect.com)
Cells1
- Nanoparticles are very suitable for many application areas such as catalysts, sensors, fuel cells etc. (mrforum.com)
Enzyme1
- Therefore, improving the specific tolerance and catalytic efficiency of the enzyme is key to further expanding the application of lipase. (biomedcentral.com)
Chen2
- X-Q Chen, W-Q Gao, Y Sun, X-Y Dong*: Multiple effects of polydopamine nanoparticles on Cu2+-mediated Alzheimer's β-amyloid aggregation. (tju.edu.cn)
- 19]Liu Ying, Guo Chen, Sun Xitong, Liu Chunzhao*, Improved performance of Yarrowia lipolytica lipase-catalyzed kinetic resolution of (R,S)-2-octanol by an integrated strategy of interfacial activation, bioimprinting and immobilization, Bioresource Technology, 2013, 142: 415-419. (ipe.ac.cn)
Protein1
- Rhizomucor miehei lipase (RML) is a single-chain α/β-type protein that is widely used in biodiesel preparation. (biomedcentral.com)
Electron1
- Transmission electron tiny pictures showed that the actual synthesized nanoparticles (Fe3O4-SiO2) held 3 dimensional IBMX core-shell structures with an common diameter of comparable to twenty nm. (micrornaarray.com)
Activity3
- The activity assay of the immobilized lipase was carried out by the standard assay method. (eurekaselect.com)
- Also, its activity was far higher than the free lipase. (eurekaselect.com)
- From a practical perspective, the activity, thermostability, and methanol tolerance of lipase are the main reasons that hinder its effective application in the biodiesel field, resulting in prolonged reaction times and increased production costs [ 5 ]. (biomedcentral.com)
Silver1
- Silver nanoparticles administered to chicken affect VEGFA and FGF2 gene expression in breast muscle and heart. (cloud-clone.com)
Reaction1
- With a very high molar proportion of fatty acid to saccharide when compared to the other studies, the authors suggested that increasing the proportion of fatty acid could negatively affect the lipase conformation due to an acidification of the reaction medium. (researchgate.net)
High2
- The biggest drawback of the lipase is its high price. (researchgate.net)
- 19.Feng J, He F, Zhuo RX, Polymerization of trimethylene carbonate with high molecular weight catalyzed by immobilized lipase on silica microparticles, Macromolecules 2002, 35, 7175. (fm88roundup.com)
Approach1
- In this work, a new approach is described for the calculation of the relaxation time and magnetic anisotropy energy of magnetic nanoparticles. (sharif.edu)
Properties1
- The main feature of magnetic nanoparticles is their size-specific properties. (mrforum.com)
Study1
- 6] M. Namdeo, S.K. Bajpai, Immobilization of a-amylase onto cellulose-coated magnetite (CCM) nanoparticles and preliminary starch degradation study, J. Molecular Catal. (mrforum.com)
Efficient1
Journal1
Development1
- Recent studies have made significant progress in the use and development of new catalytic systems immobilized on magnetic nanoparticles. (mrforum.com)
Free3
- Free and immobilised lipases were tested for their esterification activities. (researchgate.net)
- The temperature range generally oscillates between 40 °C and 60 °C, a characteristic interval of the immobilized form, which usually guarantees better conditions because it is more stable than the free form. (researchgate.net)
- C, a characteristic interval of the immobilized form, which usually guarantees better conditions because it is more stable than the free form. (researchgate.net)
Specific1
- Large amounts of the active phase can be immobilized due to the large specific surface area. (encyclopedia.pub)
Large1
- Magnetic nanoparticles have attracted a great deal of attention from researchers due to their applications in large number of areas. (mrforum.com)
Design2
- L-Q Liu, W Liu, Y Sun, X-Y Dong*: Design of aggregation-induced emission-active fluorogen-based nanoparticles for imaging and scavenging Alzheimer's β-amyloid by photo-oxygenation. (tju.edu.cn)
- Y Wang, W Liu, X-Y Dong*, Y Sun: Design of self-assembled nanoparticles as a potent inhibitor and fluorescent probe for β-amyloid fibrillogenesis. (tju.edu.cn)
Surface1
- 8] S.A. Ansari, Q. Husain, S. Qayyum, A. Azam, Designing and surface modification of zinc oxide nanoparticles for biomedical applications, Food Chem. (mrforum.com)