Synthesis of polyaniline-magnetite hollow nanocomposite as a novel fiber coating for the headspace solid-phase microextraction of benzene, toluene, ethylbenzene and xylenes from water samples

Foroutani, Reza; Yousefi, Vahid; Kangari, Sahar

doi:10.1039/c5ay00358j

Cited by 6 publications

(4 citation statements)

References 35 publications

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“…In recent years, magnetic nanocomposites with a core-shell nanostructure have attracted increasing attention because of their exclusive physical and chemical properties and huge possible applications in different areas such as extraction, the release of drug, medicine, mechanical aspects, etc. [1][2][3][4][5] . Several performance-particulars with high surface shells have been prepared so far on the iron oxide nanospheres, signi cantly growing the magnetic core@shell nanostructure area [6][7][8] .…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Application of Magnetic@layered Double Hydroxide as an Anti-Inflammatory Drugs Nanocarrier

Yousefi

Tarhriz

Eyvazi

et al. 2020

Preprint

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Background: Magnetic nanocomposites with a core-shell nanostructure have huge applications in different sciences especially in the release of the drugs, because of their exclusive physical and chemical properties. In this research, magnetic@layered double hydroxide multicore@shell nanostructure was synthesized by the facile experiment and is used as novel drug nanocarrier.Methods: Magnetic nanospheres were synthesized by a facile one-step solvothermal route, and then, layered double hydroxide nanoflakes were prepared on the magnetic nanospheres by coprecipitation experiment. The synthesized nanostructures were characterized by FTIR, XRD, SEM, VSM, and TEM, respectively. After intercalation with Ibuprofen and Diclofenac as anti-inflammatory drugs and using exchange anion experiment, the basal spacing of synthesized layered double hydroxides was compared with brucite nanosheets from 0.48 nm to 2.62 nm and 2.22 nm, respectively. Results: The results indicated that Ibuprofen and Diclofenac were successfully intercalated into the interlay space of LDHs via bridging bidentate interaction. In addition, in-vitro drug release experiments in pH 7.4, phosphate-buffered saline (abbreviated PBS) showed constant release profiles with Ibuprofen and Diclofenac as model drugs with different lipophilicity, water solubility, size, and steric effect. Conclusion: The Fe3O4@LDH-ibuprofen and Fe3O4@LDH-diclofenac had the advantage of the strong interaction between the carboxyl groups with higher trivalent cations by bridging bidentate, clarity, and high thermal stability. It is confirmed that Fe3O4@LDH multicore-shell nanostructure may have potential application for constant drug delivery.

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Section: Introductionmentioning

confidence: 99%

Synthesis and Application of Magnetic@layered Double Hydroxide as an Anti-Inflammatory Drugs Nanocarrier

Yousefi

Tarhriz

Eyvazi

et al. 2020

Preprint

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“…In recent years, magnetic nanocomposites with a core-shell nanostructure have attracted increasing attention because of their exclusive physical and chemical properties and huge possible applications in different areas such as extraction, the release of the drug, medicine, mechanical and etc [1][2][3][4] . Up till now, several performance-particulars with high surface shells have been prepared on the iron oxide nanospheres, signi cantly growing the magnetic core@shell nanostructure area [5][6][7] .…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Application of Magnetic@Layered Double Hydroxide Multicore-Shell Nanostructure as a Novel Anti-Inflammatory Drugs Nanocarrier

Yousefi¹,

Tarhriz²,

Eyvazi³

et al. 2020

Preprint

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Background: magnetic nanocomposites with a core-shell nanostructure has huge applications in different sciences especially in the release of the drugs, because of their exclusive physical and chemical properties. In this research, magnetic@layered double hydroxide multicore@shell nanostructure was synthesized by the facile experimentand is used as novel drug nanocarrier.Methods: Magnetic nanospheres were synthesized by a facile one-step solvothermal route, and in following, layered double hydroxide nanoflakes were prepared on the magnetic nanospheres by coprecipitation experiment. The synthesized nanostructures were characterized by FTIR, XRD, SEM, VSM and TEM, respectively. After intercalation with Ibuprofen and Diclofenac as the anti-inflammatory drugs by using exchange anion experiment, the basal spacing of synthesized layered double hydroxides were compared with brucite nanosheets from 0.48 nm to 2.62 nm and 2.22 nm, respectively. Results: The results indicated Ibuprofen and Diclofenac were successfully intercalated into the interlay space of LDHs by bridging bidentate interaction. Besides, in vitro drug release experiments in pH 7.4, Phosphate-buffered saline (abbreviated PBS) showed the constant release profiles with Ibuprofen and diclofenac as model drugs with different lipophilicity and water solubility and size and steric effect. Conclusions: The Fe3O4@LDH-ibuprofen and Fe3O4@LDH-diclofenac had the advantage of the strong interaction between the carboxyl groups with higher trivalent cations by bridging bidentate, clarity and high thermal stability. We confirm, which Fe3O4@LDH multicore-shell nanostructure will have potential application for constant drug delivery.

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“…They have numerous applications in chemical industries as solvents. Besides their useful applications in human life, some negative effects of BTEX must also be discussed; these compounds are considered as pollutants . They are present in the environment because of industrial use of the compounds and the use of petroleum, because of the high concentrations of the compounds in gasoline and other products, for example diesel fuel and lubricating and heating oil.…”

Section: Introductionmentioning

confidence: 99%

“…These layer hydroxide anions between the layers are interchangeable. Intercalation of organic anions, such as surfactants, into the interlayer can alter layered hydroxides surface properties from hydrophilic to hydrophobic and result in enhanced sorption capacity for nonionic organic molecules . Due to their anion exchange properties, they have recently attracted attention in a wide range of areas such as catalysis , magnetic materials , bioactive nanocomposites , and electroactive and photoactive materials .…”

Section: Introductionmentioning

confidence: 99%

Synthesis of layered zinc hydroxide intercalated with dodecyl sulfate organic–inorganic hybrid nanocomposite as a fiber coating for the headspace solid‐phase microextraction of aromatic hydrocarbons from water

Yousefi

Parastari

Gorji

et al. 2016

J of Separation Science

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We describe the synthesis of a layered zinc hydroxide-dodecyl sulfate organic-inorganic hybrid nanocomposite as a new solid-phase microextraction fiber. The fiber coating can be prepared easily in a short time and the reaction is at room temperature; it is mechanically stable and exhibits relatively high thermal stability. The synthesized layered zinc hydroxide-dodecyl sulfate nanocomposite was successfully prepared and immobilized on a stainless steel wire and evaluated for the extraction of aromatic compounds from aqueous sample solutions in combination with gas chromatography and mass spectrometry. The method yields good results for some validation parameters. Under optimum conditions (extraction time: 15 min, extraction temperature: 50°C, desorption time: 1 min, desorption temperature: 250°C, salt concentration: 0.5 g/mL), the limit of detection and dynamic linear range were 0.69-3.2 ng/L and 10-500 ng/L, respectively. The method was applied to the analyses of benzene, toluene, ethylbenzene, and o-, p-, and m-xylenes in two real water samples collected from the Aji river and Mehran river, Tabriz, Iran. Under optimum conditions, the repeatability and reproducibility for one fiber (n = 3), expressed as the relative standard deviation, was 3.2-7.3% and 4.2-11.2% respectively. The fibers are thermally stable and yield better recoveries than conventional methods of analysis.

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Synthesis of polyaniline-magnetite hollow nanocomposite as a novel fiber coating for the headspace solid-phase microextraction of benzene, toluene, ethylbenzene and xylenes from water samples

Abstract: In this study, the polyaniline–magnetite (PA@Fe3O4) hollow nanocomposite was synthesized by a chemical polymerization technique, and magnetite nanoparticles were deposited on the polyaniline hollow shell.

Cited by 6 publications

References 35 publications

Synthesis and Application of Magnetic@layered Double Hydroxide as an Anti-Inflammatory Drugs Nanocarrier

Synthesis and Application of Magnetic@layered Double Hydroxide as an Anti-Inflammatory Drugs Nanocarrier

Synthesis and Application of Magnetic@Layered Double Hydroxide Multicore-Shell Nanostructure as a Novel Anti-Inflammatory Drugs Nanocarrier

Synthesis of layered zinc hydroxide intercalated with dodecyl sulfate organic–inorganic hybrid nanocomposite as a fiber coating for the headspace solid‐phase microextraction of aromatic hydrocarbons from water

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