Functional biocompatible magnetite–cellulose nanocomposite fibrous networks: Characterization by fourier transformed infrared spectroscopy, X-ray powder diffraction and field emission scanning electron microscopy analysis

Habibi, Neda

doi:10.1016/j.saa.2014.10.035

Cited by 20 publications

(10 citation statements)

References 42 publications

(36 reference statements)

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“…The application of nano-size photo-catalysts in degradation of organic pollutants in aqueous environment has concerned much interest due to their large surface area [6][7][8][9][10][11]. Semiconductor nano-particles have attracted many interests for their interesting properties and applications in photocatalysis [12][13][14][15]. Among semiconductor nanoparticles, zinc oxide and titania with wide band gaps are widely used as photocatalyst [16,17].…”

Section: Introductionmentioning

confidence: 99%

Cobalt ferrite nano-composite coated on glass by Doctor Blade method for photo-catalytic degradation of an azo textile dye Reactive Red 4: XRD, FESEM and DRS investigations

Habibi

Parhizkar

2015

Spectrochimica Acta Part A: Molecular and Biomolecular Spectros

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Section: Introductionmentioning

confidence: 99%

Cobalt ferrite nano-composite coated on glass by Doctor Blade method for photo-catalytic degradation of an azo textile dye Reactive Red 4: XRD, FESEM and DRS investigations

Habibi

Parhizkar

2015

Spectrochimica Acta Part A: Molecular and Biomolecular Spectros

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“…Scanning parameters are provided for each image. Field emission scanning electron microscope micrographs were taken using a FE‐SEM, Hitachi, and model S‐4160 . IR absorption spectra of selected samples were obtained using KBr disks on a FTIR 6300 .…”

Section: Methodsmentioning

confidence: 99%

“…Field emission scanning electron microscope micrographs were taken using a FE-SEM, Hitachi, and model S-4160. 44,45 IR absorption spectra of selected samples were obtained using KBr disks on a FTIR 6300. 46,47 Size distribution of the assembled nanostructures in solution was analyzed by DLS using Malvern Zetasizer Nano ZS.…”

Section: Methodsmentioning

confidence: 99%

Diphenylalanine peptide nanotubes self‐assembled on functionalized metal surfaces for potential application in drug‐eluting stent

Zohrabi

Habibi

Zarrabi

et al. 2016

J Biomedical Materials Res

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This study focuses on the potential of diphenylalanine self-assembled peptide nanotubes (FF Nts) for delivery of flufenamic acid (FA) from metal implants. Self-assembly of FF Nts was studied in solution and on surfaces of glass, silicone and gold substrates. FA was loaded inside the shell of FF Nts and subsequently FF/FA Nts were attached to gold surfaces. The substrate were characterized by Field Emission Scanning Electron Microscopy (FESEM), fluorescence microscopy, confocal microscopy, and UV-vis spectroscopy. Release of FA from FF Nts were investigated by immersing coated metal substrates in phosphate-buffered saline for 12 days. Self-assembly of FF in water and solvent resulted in formation of nanotubes, which efficiently loaded 98% of FA with concentration of 20 µg/mL. FESEM images confirmed successful attachment of FF/FA Nts to functionalized gold substrates. In vitro release studies indicated using FF Nts has prolonged the release rate of FA for several days. Biocompatibility studied confirmed more than 50% of the cells were alive in concentration of 250-1000 µg/mL of FF Nts thus suggesting the potential of peptide based self-assemble nanostructures as an alternate system for polymer coating in drugs eluting stents. © 2016 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 104A: 2280-2290, 2016.

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Section: Methodsmentioning

confidence: 99%

“…Nitrogen was imported during the synthesis to extrude the air and prevent the oxidization of ferrous ions. After 1 h of stirring, the black precipitate of the Fe 3 O 4 nanoparticles was collected by a permanent magnet, washed two times, and dried in oven for 12 h. [41][42][43][44] Modification of the Fe 3 O 4 Nanoparticles with TPP and Preparation of the Fe 3 O 4 -CS-TPP Nanoparticles An amount of 10 mg of Fe 3 O 4 was dissolved in 20 mL of deionized water (500 ppm), after which 3 mg of TTP was added and stirred for 30 min to form an adsorption layer around Fe 3 O 4 . A concentration of 2.5% w/v of CS solution was prepared by the dissolution of 0.01 g of CS powder in a 1% acetic acid solution, and this was added to the previous solution to crosslink with TPP.…”

Section: Synthesis Of the Fe 3 O 4 Nanoparticlesmentioning

confidence: 99%

Controlled release of protein from magnetite–chitosan nanoparticles exposed to an alternating magnetic field

Honarmand

Ghoreishi

Habibi

et al. 2015

J of Applied Polymer Sci

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In this research, the controlled release of proteins from magnetite (Fe3O4)–chitosan (CS) nanoparticles exposed to an alternating magnetic field is reported. Fe3O4–CS nanoparticles were synthesized with sodium tripolyphosphate (TPP) molecules as a crosslinking reagent. Bovine serum albumin (BSA) was used as a model protein, and its controlled release studied through the variation of the frequency of an alternating magnetic field. The results show the successful coating of CS and BSA on the Fe3O4 nanoparticles with an average diameter of 50 nm. Intermolecular interactions of TPP with CS and BSA were confirmed by Fourier transform infrared spectroscopy. The application of low‐frequency alternating magnetic fields to such magnetic CS nanoparticles enhanced the protein release properties, in which the external magnetic fields could switch on the unloading of these nanoparticles. We concluded that enhanced BSA release from nanoparticles exposed to an alternating magnetic field is a promising method for achieving both the targeted delivery and controlled release of proteins. © 2015 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2016, 133, 43335.

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Functional biocompatible magnetite–cellulose nanocomposite fibrous networks: Characterization by fourier transformed infrared spectroscopy, X-ray powder diffraction and field emission scanning electron microscopy analysis

Cited by 20 publications

References 42 publications

Cobalt ferrite nano-composite coated on glass by Doctor Blade method for photo-catalytic degradation of an azo textile dye Reactive Red 4: XRD, FESEM and DRS investigations

Cobalt ferrite nano-composite coated on glass by Doctor Blade method for photo-catalytic degradation of an azo textile dye Reactive Red 4: XRD, FESEM and DRS investigations

Diphenylalanine peptide nanotubes self‐assembled on functionalized metal surfaces for potential application in drug‐eluting stent

Controlled release of protein from magnetite–chitosan nanoparticles exposed to an alternating magnetic field

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