scholarly journals Micelle Encapsulation of Ferromagnetic Nanoparticles of Iron Carbide@Iron Oxide in Chitosan as Possible Nanomedicine Agent

2020 ◽  
Vol 4 (2) ◽  
pp. 22
Author(s):  
Perla Yazmin Sauceda-Oloño ◽  
Hector Cardenas-Sanchez ◽  
Anya Isabel Argüelles-Pesqueira ◽  
Cindy Gutierrez-Valenzuela ◽  
Mario Enrique Alvarez-Ramos ◽  
...  
Keyword(s):  
Oleic Acid ◽  
Iron Oxide ◽  
Iron Carbide ◽  
Sodium Dodecylsulfate ◽  
Chemical Properties ◽  
Chitosan Solution ◽  
Iron Pentacarbonyl ◽  
Hydrodynamic Diameter ◽  
Shell Nanoparticles ◽  
Physical And Chemical

In this work, the synthesis and characterization of core/shell nanoparticles of iron carbide@iron oxide (Fe3C/γ-Fe2O3) encapsulated into micelles of sodium dodecylsulfate and oleic acid and stabilized with chitosan was developed. The materials were sonosynthesized at low intensities using standard ultrasonic baths with iron pentacarbonyl (Fe(CO)5) and oleic acid as iron source and hydrophobic stabilizer, respectively; obtaining nanoparticles with a hydrodynamic diameter of 19.71 nm and polydispersive index (PDI) of 0.13. The iron carbide@iron oxide nanoparticles (ICIONPs) in oleic acid were used as the organic phase during the self-assemble of nanoemulsion with sodium dodecylsulfate in water to obtain the metastable micelles. The final step involved the stabilization of the micelles using low molecular weight chitosan solution at 2% in acetic acid by ultrasonication bath. The nanosystem showed a hydrodynamic diameter of 185.30 nm, a PDI of 0.15 with a superficial charge ζ of 36.70 mV. Due to the magnetic, physical and chemical properties previously measured of the ICIONPs, it is believed that this type of nanoparticles can be used as a possible nanomedicine agent.

scholarly journals Synthesis, Principles, and Properties of Magnetite Nanoparticles for In Vivo Imaging Applications—A Review

Pharmaceutics ◽  
2019 ◽  
Vol 11 (11) ◽  
pp. 601 ◽  
Author(s):  
Wallyn ◽  
Anton ◽  
Vandamme
Keyword(s):  
Iron Oxide ◽  
Targeted Delivery ◽  
Biomedical Applications ◽  
Colloidal Particles ◽  
Chemical Properties ◽  
Local Drug Delivery ◽  
Physical And Chemical ◽  
Immense Potential ◽  
Drug Nanocarriers

The current nanotechnology era is marked by the emergence of various magnetic inorganic nanometer-sized colloidal particles. These have been extensively applied and hold an immense potential in biomedical applications including, for example, cancer therapy, drug nanocarriers (NCs), or in targeted delivery systems and diagnosis involving two guided-nanoparticles (NPs) as nanoprobes and contrast agents. Considerable efforts have been devoted to designing iron oxide NPs (IONPs) due to their superparamagnetic (SPM) behavior (SPM IONPs or SPIONs) and their large surface-to-volume area allowing more biocompatibility, stealth, and easy bonding to natural biomolecules thanks to grafted ligands, selective-site moieties, and/or organic and inorganic corona shells. Such nanomagnets with adjustable architecture have been the topic of significant progresses since modular designs enable SPIONs to carry out several functions simultaneously such as local drug delivery with real-time monitoring and imaging of the targeted area. Syntheses of SPIONs and adjustments of their physical and chemical properties have been achieved and paved novel routes for a safe use of those tailored magnetic ferrous nanomaterials. Herein we will emphasis a basic notion about NPs magnetism in order to have a better understanding of SPION assets for biomedical applications, then we mainly focus on magnetite iron oxide owing to its outstanding magnetic properties. The general methods of preparation and typical characteristics of magnetite are reviewed, as well as the major biomedical applications of magnetite.

scholarly journals On a new Iron carbonyl, and on the action of light and of heat on the Iron carbonyls

1907 ◽  
Vol 79 (527) ◽  
pp. 66-80 ◽  
Keyword(s):  
Liquid Iron ◽  
Carbonyl Iron ◽  
Chemical Properties ◽  
Iron Pentacarbonyl ◽  
Iron Carbonyl ◽  
Physical And Chemical Properties ◽  
Solid Compound ◽  
Iron Carbonyls ◽  
Physical And Chemical ◽  
And Chemical Properties

This paper contains an account of the results of the continuation of the experiments on the action of light on the liquid iron carbonyl (iron penta-carbonyl) and the action of heat on the resulting solid compound, diferro-nonacarbonyl, Fe 2 (CO) 9 , which were described in a paper on “The Physical and Chemical Properties of Iron Carbonyl,” communicated to the Society in 1905. The experiments on the action of light on iron pentacarbonyl under varied conditions have resulted in new and interesting observations, and approximate measurements of the velocity of the reaction induced by light have been made and compared with that of other reactions induced by light.

Physico-Chemical Properties of Silica Coated Superparamagnetic Magnetite Nanoparticles Synthesized by Non-Seeded Process

2015 ◽  
Vol 1107 ◽  
pp. 267-271
Author(s):  
Sodipo Bashiru Kayode ◽  
Azlan Abdul Aziz
Keyword(s):  
Silica Nanoparticles ◽  
Magnetite Nanoparticles ◽  
Colloidal Suspension ◽  
Sol Gel ◽  
Chemical Properties ◽  
Colloidal Suspensions ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Physico Chemical ◽  
Physical And Chemical

The science of core-shell nanoparticles requires investigation into several physical and chemical properties of the composite nanoparticles. Unlike the conventional sol-gel or the reverse microemulsion micelle method, we presented here a non-seeded process of encapsulating superparamagnetic magnetite nanoparticles (SPMN) with silica. Physico-chemical analysis of the product was used to confirm the result of the coating procedure. Colloidal suspension of SPMN and silica nanoparticles were synthesised through coprecipitation method and modified Stöber method respectively. Afterwards, both colloidal suspensions of SPMN and silica nanoparticles were sonicated to encapsulate the SPMN with silica. Elemental mapping of the composite particles with electron spectroscopy imaging (ESI) confirmed the core-shell micrograph of the SPMN and silica. The X-ray diffraction pattern (XRD) showed the silica shell to be in amorphous form. FTIR analysis further confirmed the chemical properties of the product to be silica coated SPMN.

Iron/Graphite Core-Shell Structured Nanoparticles Prepared by Annealing of Nanopowder

2005 ◽  
Vol 480-481 ◽  
pp. 469-476 ◽  
Author(s):  
B. David ◽  
N. Pizúrová ◽  
O. Schneeweiss ◽  
Petr Bezdička ◽  
I. Morjan ◽  
...  
Keyword(s):  
Magnetic Measurements ◽  
Iron Carbide ◽  
Iron Pentacarbonyl ◽  
Morphological Characterization ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
Annealed Material ◽  
Prepared Material ◽  
Core Shell Nanoparticles

We present magnetic and morphological characterization of iron- and iron-carbide- based nanopowder obtained by the laser synthesis from sensitized gas phase mixture containing acetylene and iron pentacarbonyl vapors. The analysis was performed on the as-prepared material and the annealed material. The results of TEM, XRD, Mössbauer and magnetic measurements are reported. Phase transformations taking place during annealing of the nanopowder when core-shell nanoparticles appear are discussed.

scholarly journals Recent Advancement in Functional Core-Shell Nanoparticles of Polymers: Synthesis, Physical Properties, and Applications in Medical Biotechnology

2013 ◽  
Vol 2013 ◽  
pp. 1-24 ◽  
Author(s):  
K. Santhosh Kumar ◽  
Vijay Bhooshan Kumar ◽  
Pradip Paik
Keyword(s):  
Chemical Properties ◽  
Core Shell ◽  
Shell Nanoparticles ◽  
The Core ◽  
Shell Nanostructures ◽  
Experimental Parameters ◽  
Recent Advancement ◽  
Core Shell Nanoparticles ◽  
Physical And Chemical ◽  
And Chemical Properties

This paper covers the core-shell nanomaterials, mainly, polymer-core polymer shell, polymer-core metal shell, and polymer-core nonmetal shells. Herein, various synthesis techniques, properties, and applications of these materials have been discussed. The detailed discussion of the properties with experimental parameters has been carried out. The various characterization techniques for the core-shell nanostructure have also been discussed. Their physical and chemical properties have been addressed. The future aspects of such core-shell nanostructures for biomedical and various other applications have been discussed with a special emphasis on their properties.

scholarly journals The physical and chemical properties of iron carbonyl

1905 ◽  
Vol 76 (513) ◽  
pp. 558-577 ◽  
Keyword(s):  
Carbon Monoxide ◽  
Chemical Properties ◽  
Iron Pentacarbonyl ◽  
Iron Carbonyl ◽  
Physical And Chemical Properties ◽  
Analogous Compound ◽  
Physical And Chemical ◽  
And Chemical Properties

This paper contains an account, as promised, of a study of the physical and chemical properties of iron carbonyl, similar to that already communicated to the Society on the properties of the analogous compound of nickel,* to which this forms the sequel. The combination of iron and carbon monoxide was discovered by Drs. Mond and Quincke in 1891, and the resulting compound called iron pentacarbonyl was isolated (as a coloured liquid), and examined by Drs. Mond and Langer in the course of the same year.

Shape-controlled iron oxide nanocrystals: synthesis, magnetic properties and energy conversion applications

CrystEngComm ◽  
2016 ◽  
Vol 18 (34) ◽  
pp. 6303-6326 ◽  
Author(s):  
Jun Liu ◽  
Zhaohui Wu ◽  
Qingyong Tian ◽  
Wei Wu ◽  
Xiangheng Xiao
Keyword(s):  
Magnetic Properties ◽  
Iron Oxide ◽  
Energy Conversion ◽  
Chemical Properties ◽  
Physical And Chemical Properties ◽  
Shape Controlled ◽  
Physical And Chemical ◽  
And Chemical Properties

Iron oxide nanocrystals (IONCs) with various geometric morphologies show excellent physical and chemical properties and have received extensive attention in recent years.

Production of polymeric nanocomposites by nature-like method and study of their physical and chemical properties

2020 ◽  
pp. 113-123
Author(s):  
T. A. Voeikova ◽  
O. A. Zhuravleva ◽  
V. S. Kuligin ◽  
E. V. Ivanov ◽  
E. I. Kozhukhova ◽  
...  
Keyword(s):  
Luminescence Intensity ◽  
Aqueous Suspension ◽  
Chemical Properties ◽  
Hydrodynamic Diameter ◽  
Polymeric Nanocomposites ◽  
Kurchatov Institute ◽  
Agricultural Applications ◽  
The Stability ◽  
Physical And Chemical ◽  
Biogenic Nanoparticles

At the NRC “Kurchatov Institute” – GOSNIIGENETIKA, NpCdS nanocrystals were obtained by microbial synthesis. They were stabilized with proteins, which composition is determined by the strain used for biosynthesis of nanoparticles. Biogenic nanoparticles were studied and described by size, shape, hydrodynamic diameter, ζ potential, luminescence level, and defined as quantum dots applying methods of electron microscopy, dynamic light scattering, and spectrofluorimetry. The influence of temperature, pressure and solvents on the stability of biogenic nanoparticles and the luminescence intensity was evaluated in collaboration with IREA (NRC “Kurchatov Institute”). The luminescence intensity of the aqueous suspension of NpCdS was determined depending on the range of nanoparticle concentrations. The possibility of introducing and identifying NpCdS in epoxy resin, polyimide, and polyvinyl alcohol was assessed. Polymer nanocomposites are used for optoelectronic, biomedical and agricultural applications.

Sign in / Sign up

Export Citation Format

Share Document