Immobilization of Invertase in a Novel Proton Conducting Poly(vinylphosphonic acid) – poly(1-vinylimidazole) Network

Isikli, Süheda; Tuncagil, Sevinc; Bozkurt, Ayhan; Toppare, Levent

doi:10.1080/10601325.2010.483352

Cited by 19 publications

(8 citation statements)

References 19 publications

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“…The most important feature of N-vinylimidazole polymers is solubility in water, due to which they are widely used in medicine. They have high physiological activity and are used as low molecular weight additives in medicines and as components of drug carriers [ 37 , 38 ].…”

Section: Introductionmentioning

confidence: 99%

Green Synthesis of Stable Nanocomposites Containing Copper Nanoparticles Incorporated in Poly-N-vinylimidazole

et al. 2021

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New stable nanocomposites with copper nanoparticles (CuNPs) in a polymer matrix have been synthesized by green chemistry. Non-toxic poly-N-vinylimidazole was used as a stabilizing polymer matrix and ascorbic acid was used as a reducing agent. The polymer CuNPs nanocomposites were characterized by Fourier transform infrared (FTIR) spectroscopy, ultraviolet–visible (UV) spectroscopy, transmission electron microscopy (TEM), scanning electron microscopy (SEM), atomic absorption spectroscopy (AAS), and thermogravimetric analysis (TGA). It was shown, using the dynamic light scattering (DLS) method, that the hydrodynamic diameters of nanocomposites depend on the CuNPs content and are in an associated state in an aqueous medium. The copper content in nanocomposites ranges from 1.8 to 12.3% wt. The obtained polymer nanocomposites consist of isolated copper nanoparticles with a diameter of 2 to 20 nm with a spherical shape.

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Section: Introductionmentioning

confidence: 99%

Green Synthesis of Stable Nanocomposites Containing Copper Nanoparticles Incorporated in Poly-N-vinylimidazole

et al. 2021

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“…The azole fragments of PVI macromolecules contain pyridine nitrogen atoms with electron-donating properties, which are capable of coordinating metal ions [ 49 , 50 ]. Along with this, PVI is readily soluble in water, has physiological activity, and is widely used in medicine [ 51 , 52 ].…”

Section: Introductionmentioning

confidence: 99%

Evaluation of the Safety and Toxicity of the Original Copper Nanocomposite Based on Poly-N-vinylimidazole

et al. 2021

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A new original copper nanocomposite based on poly-N-vinylimidazole was synthesized and characterized by a complex of modern physicochemical and biological methods. The low cytotoxicity of the copper nanocomposite in relation to the cultured hepatocyte cells was found. The possibility to involve the copper from the nanocomposite in the functioning of the copper-dependent enzyme systems was evaluated during the incubation of the hepatocyte culture with this nanocomposite introduced to the nutrient medium. The synthesized new water-soluble copper-containing nanocomposite is promising for biotechnological and biomedical research as a new non-toxic hydrophilic preparation that is allowed to regulate the work of key enzymes involved in energy metabolism and antioxidant protection as well as potentially serving as an additional source of copper.

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“…Polyvinyl imidazole (PVI) and its derivatives have been investigated due to unique physical and chemical properties with potential applications in various fields such as absorption, enzyme immobilization and gene delivery systems . Nowadays, PVI core–shell composites with inorganic materials such as silica, iron oxide, and montmorillonite also have gained attention due to improved properties of these materials in various aspects as compared to the corresponding pure and cross linked PVI.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and characterization of silica–polyvinyl imidazole core–shell nanoparticles via combination of RAFT polymerization and grafting‐to method

Gargari

Shakeri

Kalal

et al. 2017

Polymers for Advanced Techs

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The silica–polyvinyl imidazole core–shell nanoparticles (silica/PVI NPs) with controlled shell thickness and narrow distribution size were fabricated via “grafting‐to” method. First, O‐ethyl xanthate terminated PVI with various chain lengths was produced via the reversible addition–fragmentation chain transfer (RAFT) polymerization using O‐ethyl‐S‐phenyl dithiocarbonate (EPDC) as RAFT agent. Next, three synthesized PVI of different molecular weights (3.4, 6.6, and 11 kg/mol) were successfully grafted to the methacrylate modified silica NPs from solution by radical mediated grafting‐to method. These core–shell NPs were then characterized by Fourier transform infrared spectroscopy (FTIR), X‐ray photoelectron spectrum measurements (XPS), transmission electron microscopy (TEM), and thermogravimetric analysis (TGA). Polyvinyl imidazole molecular weight, reaction time, polymer concentration, and reaction temperature were all used to control the grafting reaction for PVI grafting densities and shell thicknesses. The highest grafting density obtained was close to 1.2 chains/nm2 and was achieved for 3.4 kg/mol PVI at 80°C. The prepared silica/PVINP displayed efficient antifouling properties and stability in concentrated sodium chloride aqueous solutions over a broad pH range for a period of at least 7 days. Copyright © 2017 John Wiley & Sons, Ltd.

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Immobilization of Invertase in a Novel Proton Conducting Poly(vinylphosphonic acid) – poly(1-vinylimidazole) Network

Cited by 19 publications

References 19 publications

Green Synthesis of Stable Nanocomposites Containing Copper Nanoparticles Incorporated in Poly-N-vinylimidazole

Green Synthesis of Stable Nanocomposites Containing Copper Nanoparticles Incorporated in Poly-N-vinylimidazole

Evaluation of the Safety and Toxicity of the Original Copper Nanocomposite Based on Poly-N-vinylimidazole

Synthesis and characterization of silica–polyvinyl imidazole core–shell nanoparticles via combination of RAFT polymerization and grafting‐to method

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