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Magnetochemistry, Volume 8, Issue 10

2022 October - 26 articles

Cover Story: Magnetic iron oxide nanoparticles can be used to magnetically sort different types of cells in millifluidic devices. Here, the algae Nannochloropsis salina is used as an easily detectable model organism for cell sorting in flow cells. Magnetic iron oxide nanoparticles are attached to the algae cells and depending on the amount of iron oxide nanoparticles bound to the cell surface, the microorganisms are attracted by a magnet. This mechanism allows for the classification of algae cells depending on their iron oxide content. Two different geometries are investigated and compared in this study. Here, 3D printing allows for the construction of a linear flow cell geometry and for one spiraling geometry while having similar volumes for flow cell inlets and outlets. View this paper
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Articles (26)

  • Article
  • Open Access
9 Citations
3,301 Views
11 Pages

Martensitic Transformation, Magnetic and Mechanical Characteristics in Unidirectional Ni–Mn–Sn Heusler Alloy

  • Haodong Sun,
  • Chao Jing,
  • Hui Zeng,
  • Yuan Su,
  • Siyuan Yang,
  • Yuanlei Zhang,
  • Tarek Bachagha,
  • Ting Zhou,
  • Long Hou and
  • Wei Ren

A textured structure of Ni–Mn–Sn Heusler alloy with [001] preferred orientation has been grown by the directional solidification method. The crystal exhibits a single austenite phase L21 cubic structure (a = 5.997 Å) at room tempera...

  • Review
  • Open Access
5 Citations
2,671 Views
16 Pages

Strain-Magnetooptics in Single Crystals of CoFe2O4

  • Yurii Sukhorukov,
  • Andrei Telegin,
  • Nikolay Bebenin,
  • Vladimir Bessonov,
  • Sergei Naumov,
  • Denis Shishkin and
  • Aleksandr Nosov

The strain-magnetooptical properties of single crystals of the ferrimagnetic spinel CoFe2O4, which reflect a correlation between optical properties (magnetoabsorption and magnetoreflection) and magnetostriction, have been studied in the infrared spec...

  • Article
  • Open Access
1 Citations
1,893 Views
7 Pages

The Effect of Obliquely Sputtered Cu Underlayers with Different Thicknesses on the Magnetic Properties of 50 nm Ni80Fe20 Thin Films

  • Xiaoyu Li,
  • Yunshi Jiang,
  • Huan Yan,
  • Tianming Li,
  • Lu Zhang,
  • Zhihong Zhang,
  • Xian Guan,
  • Min Chen,
  • Jiaoyin Wang and
  • Mengjia Wang
  • + 2 authors

The magnetic properties of 50 nm Ni80Fe20 deposited on Cu underlayers with different thicknesses by obliquely sputtering were studied. It was found that the in-plane uniaxial magnetic anisotropy (IPUMA) of the Ni80Fe20 film can be induced by the obli...

  • Article
  • Open Access
14 Citations
2,889 Views
17 Pages

In the present study, a ternary magnetic nanocomposite (SiO2/MnFe2O4/ZIF-8) was synthesized via the embedding of the SiO2/MnFe2O4 nanocomposite within the metal–organic framework (ZIF-8). The synthesized nanocomposite was characterized using su...

  • Article
  • Open Access
3 Citations
2,652 Views
15 Pages

Binuclear Nickel Complexes of a New Di(hydroxyphenyl)imidazolate

  • Igor A. Nikovskiy,
  • Kseniia M. Karnaukh,
  • Dmitry Yu. Aleshin,
  • Kirill A. Spiridonov,
  • Anastasia A. Danshina,
  • Yulia V. Nelyubina,
  • Alexander V. Polezhaev and
  • Valentin V. Novikov

Here, we report a new di(hydroxyphenyl)imidazolate ligand with an N2O2 donor set synthesized by a modified Debus–Radziszewski procedure. Its binuclear nickel(II) complexes feature a weak antiferromagnetic interaction with J12 = −3.16 cm&m...

  • Review
  • Open Access
67 Citations
8,845 Views
28 Pages

Biological Applications of Silica-Based Nanoparticles

  • Franciele da Silva Bruckmann,
  • Franciane Batista Nunes,
  • Theodoro da Rosa Salles,
  • Camila Franco,
  • Francine Carla Cadoná and
  • Cristiano Rodrigo Bohn Rhoden

Silica nanoparticles have been widely explored in biomedical applications, mainly related to drug delivery and cancer treatment. These nanoparticles have excellent properties, high biocompatibility, chemical and thermal stability, and ease of functio...

  • Article
  • Open Access
2 Citations
2,314 Views
13 Pages

Magnetic and Resonance Properties of a Low-Dimensional Cobalt–Aluminum Oxide–Germanium Film Tunnel Junction Deposited by Magnetron Sputtering

  • Aleksandr V. Kobyakov,
  • Gennadiy S. Patrin,
  • Vasiliy I. Yushkov,
  • Yaroslav G. Shiyan,
  • Roman Yu. Rudenko,
  • Nikolay N. Kosyrev and
  • Sergey M. Zharkov

The temperature behavior of saturation magnetization and the temperature behavior of the integral signal intensity in electron magnetic resonance spectra is experimentally studied comprehensively using a low-dimensional Al2O3/Ge/Al2O3/Co (aluminum ox...

  • Article
  • Open Access
3 Citations
3,072 Views
13 Pages

On the Distribution of Magnetic Moments in a System of Magnetic Nanoparticles

  • Max Javier Jáuregui Rodríguez,
  • Denner Serafim Vieira,
  • Renato Cardoso Nery,
  • Gustavo Sanguino Dias,
  • Ivair Aparecido dos Santos,
  • Renio dos Santos Mendes and
  • Luiz Fernando Cotica

Particle size distribution carries out a substantial role in the magnetic behavior of nanostructured magnetic systems. In fact, a vast literature on superparamagnetism has been reported, suggesting that the particle size distribution in a system of m...

  • Review
  • Open Access
4 Citations
4,764 Views
11 Pages

A Review of the Self-Powered Wiegand Sensor and Its Applications

  • Chiao-Chi Lin,
  • Yuan-Chieh Tseng and
  • Tsung-Shune Chin

Self-powered magnetic sensors are fundamental for the development of Industry 4.0, the Internet of things (IoT), wireless sensor networks, unmanned vehicles, smart cities, and sustainability. This review aimed to elucidate the working principles, mat...

  • Article
  • Open Access
8 Citations
2,935 Views
18 Pages

Indocyanine Green-Containing Magnetic Liposomes for Constant Magnetic Field-Guided Targeted Delivery and Theranostics

  • Dmitry V. Korolev,
  • Galina A. Shulmeyster,
  • Maria S. Istomina,
  • Alexey I. Nikiforov,
  • Ilia V. Aleksandrov,
  • Valentin G. Semenov and
  • Michael M. Galagudza

The aim of the present study was to develop magnetic liposomes (MLPSs) incorporating an agent with the ability to act both as a photosensitizer and as a fluorophore for optical imaging. We therefore aimed to develop a preparation method for indocyani...

  • Communication
  • Open Access
4 Citations
2,183 Views
15 Pages

The first neutral 0D and 1D heterometallic assemblies based on orbitally degenerate heptacyanidorhenate(IV) were prepared and structurally characterized. An analysis of the magnetic data of polycrystalline samples showed that both compounds display s...

  • Article
  • Open Access
29 Citations
5,769 Views
17 Pages

Studies on the Removal of Congo Red Dye by an Adsorbent Based on Fly-Ash@Fe3O4 Mixture

  • Maria Harja,
  • Nicoleta Lupu,
  • Horia Chiriac,
  • Dumitru-Daniel Herea and
  • Gabriela Buema

The effectiveness of a Fe3O4-loaded fly ash composite for the adsorption of Congo red dye was assessed in this work. The structure and properties of the magnetic adsorbent were established by scanning electron microscopy (SEM), energy dispersive spec...

  • Article
  • Open Access
4 Citations
1,931 Views
9 Pages

In this work, we demonstrate the possibility of using a soluble ceramic material, 5 wt% CaO, as an additive for an SmCo5/20wt%Fe exchange-coupled nanocomposite obtained by mechanical milling in order to inhibit the grain growth of the soft magnetic p...

  • Opinion
  • Open Access
7 Citations
2,538 Views
5 Pages

Magnetic Nanoparticles (MNPs) are becoming increasingly popular for biomedical imaging and drug delivery, particularly cancer theranostics. Due to their excellent inherent properties and the accessibility to be tailor-made according to specific requi...

  • Article
  • Open Access
6 Citations
2,194 Views
9 Pages

Magnetic, Electric and Optical Properties of Ion Doped CuCr2O4 Nanoparticles

  • Angel Todorov Apostolov,
  • Iliana Naumova Apostolova and
  • Jilia Mihailowa Wesselinova

The magnetic, electric and optical properties of pure and ion doped CuCr2O4 - bulk and nanoparticles are investigated theoretically. The magnetization Ms and the band gap Eg decrease with increasing particle size. By Co ion doping Ms and the polariza...

  • Article
  • Open Access
4 Citations
2,663 Views
14 Pages

Exploring the Polarization of Light in Ferrofluids with Mueller Matrices

  • Alberto Tufaile and
  • Adriana Pedrosa Biscaia Tufaile

We studied the polarization of light in a thin film of ferrofluid subjected to a magnetic field using the Mueller matrix formalism. By observing the results of some experiments, we relate the observed light patterns with Stokes vectors that can be op...

  • Article
  • Open Access
17 Citations
3,298 Views
25 Pages

Structural and Photocatalytic Studies on Oxygen Hyperstoichiometric Titanium-Substituted Strontium Ferrite Nanoparticles

  • Jaspreet Kaur Grewal,
  • Manpreet Kaur,
  • Rajeev K. Sharma,
  • Aderbal C. Oliveira,
  • Vijayendra Kumar Garg and
  • Virender K. Sharma

Doping of ferrites is an important domain of research for their application as photocatalysts. In the present work, the effect of Ti4+ substitution on the structural and photocatalytic properties of strontium ferrite nanoparticles (NPs) is studied. T...

  • Article
  • Open Access
1 Citations
2,509 Views
10 Pages

Spin-orbit torque (SOT) driven domain wall motion has attracted significant attention as the basis for a variety of spintronic devices due to its potential use as a high speed, low power means to manipulate the magnetic state of an object. While most...

  • Article
  • Open Access
5 Citations
2,808 Views
17 Pages

W-type hexaferrites were discovered in the 1950s and are of interest for their potential applications. In this context, many researchers have conducted studies on the partial substitution of Fe sites in order to modify their electric and magnetic pro...

  • Article
  • Open Access
8 Citations
2,966 Views
11 Pages

Synergistic Effect of Combined Treatment with Magnetic Hyperthermia and Magneto-Mechanical Stress of Breast Cancer Cells

  • Rumiana Tzoneva,
  • Aikaterini-Rafailia Tsiapla,
  • Veselina Uzunova,
  • Tihomira Stoyanova,
  • Theodoros Samaras,
  • Makis Angelakeris and
  • Orestis Kalogirou

With the development of nanotechnology, the emergence of new anti-tumor techniques using nanoparticles such as magnetic hyperthermia and magneto-mechanical activation have been the subject of much attention and study in recent years, as anticancer to...

  • Feature Paper
  • Article
  • Open Access
3 Citations
3,026 Views
16 Pages

Solid-State Self-Assembly of a Linear Hexanuclear Copper(II) Oxamate Complex with Alternating Antiferro- and Ferromagnetic Coupling

  • Ana Luísa A. Lage,
  • Luísa A. Ribeiro,
  • Antônio C. Doriguetto,
  • Carlos B. Pinheiro,
  • Wallace C. Nunes,
  • Emerson F. Pedroso and
  • Cynthia L. M. Pereira

In this work, we describe the synthesis, crystal structure and magnetic properties of the neutral hexacopper(II) complex of formula {[Cubpca)]2[Cu(dmopba)(H2O)]}2·4H2O (1), where Hbpca = bis(2-pyridylcarbonyl)-amide and dmopba = 4,5-dimethyl-1...

  • Article
  • Open Access
1,951 Views
9 Pages

We review the cosmic microwave background (CMBR) estimate of ordinary matter, dark matter and dark energy in the universe. Then, we review the cosmological electroweak (EWPT) and quantum chromodynamics (QCDPT) phase transitions. During both the EWPT...

  • Article
  • Open Access
16 Citations
4,138 Views
17 Pages

Doxorubicin-Loaded Magnetic Nanoparticles: Enhancement of Doxorubicin’s Effect on Breast Cancer Cells (MCF-7)

  • Elisa Parcero Hernandes,
  • Raquel Dosciatti Bini,
  • Karina Midori Endo,
  • Verci Alves de Oliveira Junior,
  • Igor Vivian de Almeida,
  • Gustavo Sanguino Dias,
  • Ivair Aparecido dos Santos,
  • Paula Nunes de Oliveira,
  • Veronica Elisa Pimenta Vicentini and
  • Luiz Fernando Cotica

The incidence of female breast cancer has increased; it is the most commonly diagnosed cancer, at 11.7% of the total, and has the fourth highest cancer-related mortality. Magnetic nanoparticles have been used as carriers to improve selectivity and to...

  • Article
  • Open Access
6 Citations
3,237 Views
15 Pages

Magnetophoretic Cell Sorting: Comparison of Different 3D-Printed Millifluidic Devices

  • Niclas Reiter,
  • Jan Auchter,
  • Marius Weber,
  • Sonja Berensmeier and
  • Sebastian P. Schwaminger

Cell sorting is a highly applicable technology for multiple biological, biotechnological, and medical applications. Magnetic cell sorting can be realized with microfluidic and millifluidic flow cells. Additive manufacturing and 3D printing allow for...

  • Article
  • Open Access
3 Citations
2,358 Views
9 Pages

Magnetic Properties of a Solid Solution Fe1−xAgxCr2S4 (0 < x < 0.2)

  • Galina G. Shabunina,
  • Elena V. Busheva,
  • Pavel N. Vasilev and
  • Nikolay N. Efimov

The magnetic properties of the Fe1−xAgxCr2S4 (0 < x < 0.2) solid solution were investigated in the temperature range 4–300 K in a DC field of 0.1 and 45 kOe. Fe1−xAgxCr2S4 is characterized by the transition temperature from th...

  • Article
  • Open Access
6 Citations
2,871 Views
10 Pages

Magnetic FeGa and FeGaNi films with an in-plane anisotropy were deposited by employing oblique magnetron sputtering. With the increase in oblique angle, the crystallite size of FeGa decreases, which indicates that oblique sputtering can refine the cr...

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Magnetochemistry - ISSN 2312-7481