Green SPIONs as a novel highly selective treatment for leishmaniasis: an in vitro study against Leishmania amazonensis intracellular amastigotes

• Brunno R. F. Verçoza,
• Robson R. Bernardo,
• Luiz Augusto S. de Oliveira and
• Juliany C. F. Rodrigues

Beilstein J. Nanotechnol. 2023, 14, 893–903, doi:10.3762/bjnano.14.73

• the effects of using iron oxide nanoparticles [11][12][15][33][34][35]. Recently, the effects of magnetic iron oxide nanoparticles were demonstrated in L. mexicana axenic amastigotes. First, the amastigotes were treated with 200 µg/mL of magnetic nanoparticles. Subsequently, magnetic hyperthermia was

• L. major promastigotes [35]. Finally, a study showed the effect in vitro and in vivo of amphotericin B encapsulated in magnetic iron oxide nanoparticles coated with glycine-rich peptides for treating visceral leishmaniasis caused by L. donovani [12]. All these studies demonstrated the potential gain

Two-step single-reactor synthesis of oleic acid- or undecylenic acid-stabilized magnetic nanoparticles by thermal decomposition

• Mykhailo Nahorniak,
• Pamela Pasetto,
• Jean-Marc Greneche,
• Volodymyr Samaryk,
• Sandy Auguste,
• Anthony Rousseau,
• Nataliya Nosova and
• Serhii Varvarenko

Beilstein J. Nanotechnol. 2023, 14, 11–22, doi:10.3762/bjnano.14.2

• mono- and dioxide, hydrogen, higher ketones, and hydrocarbons, as well as partial reduction of Fe(III) to Fe(II), results in the formation of magnetic iron oxide nanoparticles [35]. Excess of higher carboxylic acid that has not been bound to the iron salt, did not undergo thermolysis, and is likely to

Differences in surface chemistry of iron oxide nanoparticles result in different routes of internalization

• Barbora Svitkova,
• Vlasta Zavisova,
• Veronika Nemethova,
• Martina Koneracka,
• Miroslava Kretova,
• Filip Razga,
• Monika Ursinyova and
• Alena Gabelova

Beilstein J. Nanotechnol. 2021, 12, 270–281, doi:10.3762/bjnano.12.22

• understood yet. Herein, we present a mechanistic study of cellular internalization pathways of two magnetic iron oxide nanoparticles (MNPs) differing in surface chemistry into A549 cells. The MNP uptake was investigated in the presence of different inhibitors of endocytosis and monitored by spectroscopic and

• involved in the internalization of polyethylene glycol-coated MNPs. Our data indicate that surface engineering can contribute to an enhanced delivery efficiency of nanoparticles. Keywords: bovine serum albumin; cellular uptake; magnetic iron oxide nanoparticles; polyethylene glycol; surface coating

• ; Introduction Magnetic iron oxide nanoparticles (MNPs) as chemically inert material have been increasingly employed as contrast agents in magnetic resonance imaging (MRI), positron emission tomography (PET), and near-infrared fluorescence (NIRF) imaging [1]. The superparamagnetic properties of MNPs make them

Wet-spinning of magneto-responsive helical chitosan microfibers

• Dorothea Brüggemann,
• Johanna Michel,
• Naiana Suter,
• Matheus Grande de Aguiar and
• Michael Maas

Beilstein J. Nanotechnol. 2020, 11, 991–999, doi:10.3762/bjnano.11.83

• neodymium magnet (see Supporting Information File 2 for the full video). Scheme of the wet-spinning process that generated helical microfibers. A solution of chitosan and magnetic iron oxide nanoparticles was extruded into an ethanol coagulation bath. The emerging fibers were collected by a teflon-coated

• cell behavior in vivo by applying external stimuli [41][42]. Emerging fields, such as magnetic tissue engineering, which uses magnetic levitation to control cell growth, would greatly benefit from the use of magnetic scaffolds since these would replace the need for treating the cells with magnetic iron

• oxide nanoparticles in order to generate 3D spheroids [43][44][45][46]. The production of helical microfibers can, in principle, be achieved by adding a rotation element to the translational extrusion process. This has been demonstrated by Sun et al. who developed a magnetic micromanipulation technique

Use of data processing for rapid detection of the prostate-specific antigen biomarker using immunomagnetic sandwich-type sensors

• Camila A. Proença,
• Tayane A. Freitas,
• Thaísa A. Baldo,
• Elsa M. Materón,
• Flávio M. Shimizu,
• Gabriella R. Ferreira,
• Frederico L. F. Soares,
• Ronaldo C. Faria and
• Osvaldo N. Oliveira Jr.

Beilstein J. Nanotechnol. 2019, 10, 2171–2181, doi:10.3762/bjnano.10.210

• immunoassays for the detection of PSA. Supporting Information Supporting Information features detailed information on the synthesis of magnetic iron oxide nanoparticles, electrode fabrication, and sample preparation. Also, the characterization of MNPs and electrode surfaces by using Fourier-transform infrared

Droplet-based synthesis of homogeneous magnetic iron oxide nanoparticles

• Christian D. Ahrberg,
• Ji Wook Choi and
• Bong Geun Chung

Beilstein J. Nanotechnol. 2018, 9, 2413–2420, doi:10.3762/bjnano.9.226

• when researching these materials. Here, we present a droplet capillary reactor that can be used for the synthesis of magnetic iron oxide nanoparticles. Compared to conventional batch synthesis, the particles synthesized in our droplet reactor have a narrower size distribution and a higher

• thermal environment, making the controlled synthesis of these nanomaterials for research difficult [13]. Methods for synthesizing magnetic iron oxide nanoparticles can be divided into two categories: high temperature decomposition of iron precursors in organic solvents and the coprecipitation of iron

• nanoparticles on the large scale. Coprecipitation methods, on the other hand, allow for the simple, scalable synthesis of magnetic iron oxide nanoparticles that can be dispersed in water without requiring further surface treatment [16]. Furthermore, the size of particles synthesized using coprecipitation can be

Nanocomposites comprised of homogeneously dispersed magnetic iron-oxide nanoparticles and poly(methyl methacrylate)

• Sašo Gyergyek,
• David Pahovnik,
• Ema Žagar,
• Alenka Mertelj,
• Rok Kostanjšek,
• Miloš Beković,
• Marko Jagodič,
• Heinrich Hofmann and
• Darko Makovec

Beilstein J. Nanotechnol. 2018, 9, 1613–1622, doi:10.3762/bjnano.9.153

• magnetically induced hyperthermia. In this study, a simple and scalable route for preparing nanocomposites with a high, uniform loading of magnetic nanoparticles is presented. The magnetic iron-oxide nanoparticles were functionalized with a methacrylate-based monomer that copolymerized in a toluene solution

• oxide/PMMA nanocomposites with a high loading of homogeneously dispersed nanoparticles. The methacrylate-monomer-functionalized magnetic iron-oxide nanoparticles were copolymerized with the MMA monomer in a colloidal suspension. The developed copolymerization procedure has two benefits: firstly, the

• values for the specific power loss when subjected to alternating magnetic fields, giving this material great potential for the magnetically induced hyperthermia-based treatment of cancer. Keywords: magnetic hyperthermia; magnetic properties; nanocomposites; superparamagnetic; Introduction Magnetic iron