Tumor exosomes, known as maternal cell messengers, play an important role in cancer occurrence, proliferation, metastasis, immune escape, drug resistance, and other processes and are an entry point for cancer research. However, there is still a lack of an efficient detection technology for exosomes. In this study, the ultrahigh sensitivity SERS nanoprobe …
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Bromate, often detected in drinking water, is associated with a significant risk of cancer. Catalytic reduction has been recognized as an effective treatment technique to remove ions by reducing them over metal catalysts in the presence of a reducing agent, usually hydrogen. This work aims to synthesize metallic magnetic nanoparticles of iron oxide (FeO) and mixed …
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Silica-coated magnetic nanoparticles can be utilized for the magnetic separation of nucleic acids, which is an important step in many clinical procedures. ... metallic nanoparticles offer distinctive properties such as optical signal ... This work pointed out the influence of different sizes of silica-coated magnetic nanoparticles on the ...
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Magnetic nanoparticles as contrast agents in magnetic resonance imaging and radiosensitizers in radiotherapy. James Chun Lam Chow, in Fundamentals and Industrial Applications of Magnetic Nanoparticles, 2022. 9.2 Magnetic nanoparticles. Magnetic nanoparticles are particles that can be operated and controlled under a magnetic field in the nanometer scale. Due to their unique …
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Magnetic Solid Phase Extraction as a Promising Technique for Fast Separation of Metallic Nanoparticles and Their Ionic Species: A Review of Recent Advances J Anal Methods Chem. 2020 Sep 11;2020:8847565. doi: 10.1155 ... The aim of this article is to bring a review of recent works where magnetic solid-phase extraction (MSPE) procedures in ...
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We report a simple and scalable method for the separation of semiconducting single-walled carbon nanotubes (SWNTs) from metallic SWNTs using magnetic nanoparticles …
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One innovation to improve the ability of magnetic nanoparticles for in-situ separation of proteins and other targets from biological samples, is to make the nanoparticles stimulus-responsive. Recently Jauregui et al. [110] applied thermal-responsive magnetic nanoparticle for separation of extracellular vesicles. They synthesized thermal ...
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We report a simple and scalable method for the separation of semiconducting single-walled carbon nanotubes (SWNTs) from metallic SWNTs using magnetic nanoparticles (MNPs) functionalized with polycationic tri-aminated polysorbate 80 (TP80). MNPs-TP80 are selectively adsorbed on acid-treated semicondu …
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tional groups which allow them to be conjugated with antibodies, ligands, and drugs of interest and thus opening a wide range of potential applications in biotechnology, magnetic separation, and preconcentration of target analytes, targeted drug delivery, and vehicles for gene and drug delivery and more importantly diagnostic imaging. Moreover, various imaging …
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The aim of this article is to bring a review of recent works where magnetic solid-phase extraction (MSPE) procedures in connection with spectrometric methods were used for...
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The aim of this article is to bring a review of recent works where magnetic solid-phase extraction (MSPE) procedures in connection with spectrometric methods were used for …
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Metallic Nanoparticles and Hybrid Nanomaterials Containing Metallic Nanoparticles as SORBENTS for Efficient Trace Element separation and Pre-Concentration by DMSPE Silver nanoparticles (AgNPs) and gold nanoparticles (AuNPs) have positioned themselves as one of the leading materials that are extensively used in various applications, …
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Metallic Nanoparticles: A Novel Approach in Nanotechnology 1Nikhil Dhumal, 2Pramodkumar Shirote, 3Roshan Ghorpade, 4Prasad Galande ... hyperthermia, gene therapy, stem cell tracking, molecular/cellular tracking, magnetic separation technologies (e.g., rapid DNA sequencing), and early detection of inflammatory diseases, cancer, and diabetes.[28 ...
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Functional Immunoaffinity 3D Magnetic Core-Shell Nanometallic Structure for High-Efficiency Separation and Label-Free SERS Detection of Exosomes ACS Appl Bio Mater . 2024 Dec ... (3D) magnetic core/Au nanocolumn/Au nanoparticles shell strongly coupling multistage structure (Fe 3 O 4 ... 3D metallic nanomaterials; exosomes; functional ...
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Au and Ag metal nanoparticles (MNPs) were used for making stained glass windows - silver nanoparticles color the glass yellow, while gold nanoparticles give a ruby color [2]. The bactericidal properties of silver were used in ancient Greece, Rome, and Macedonia to control infections and spoilage, and its use has further intensified since the ...
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Magnetic nanoparticles (MNPs) are appealing materials as assistant to resolve environmental pollution issues and as recyclable catalysts for the oxidative degradation of resistant contaminants. Moreover, they can significantly influence the advancement of medical applications for imaging, diagnostics, medication administration, and biosensing. On the other …
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Metallic salts are dissolved in water or other solvents and are homogeneously dispersed to prepare ... Biofunctional Magnetic Nanoparticles for Protein Separation and Pathogen Detection. Chem. Commun. 37, 941–949. 10.1039/b514130c [Google Scholar] Gul S., Khan S. B., Rehman I. U., Khan M. A., Khan M. (2019). A Comprehensive Review of Magnetic ...
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The migration process of magnetic nanoparticles and colloids in solution under the influence of magnetic field gradients, which is also known …
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Magnetic separation technology is a physical separation method that uses the differences in magnetism between matter to separate them from each other by different motion behaviors in a non-uniform magnetic field. It is …
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Encapsulation of magnetic nanoparticles in inorganic matrixes. An appropriate tuning of the magnetic properties is essential for the potential use of the superparamagnetic composites. ... Low-field magnetic separation of monodisperse Fe3O4 nanocrystals. Science 2006, 314(5801):964–967. 10.1126/science.1131475.
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The surface of a nanoparticle significantly affects its optical, mechanical, magnetic, and other characteristics. Nanoparticles are categorised according to their size, origin and chemical ...
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1. Introduction. Magnetic nanoparticles (MNPs) denote a wide umbrella of materials that covers nanometer-sized particles below the threshold of 100 nm synthesized from magnetic materials like cobalt, nickel, iron, and their oxides [1,2,3].Below certain dimensions, MNPs exhibit a magnetic trait named superparamagnetism [], a quantum-originated effect …
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Different synthetic methods are used to obtain MNPs of desired size, morphology, stability, and biocompatibility. The most common methods include the ball milling method, coprecipitation, thermal decomposition, hydrothermal, microemulsion, …
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Metallic nanoparticles (MNPs) ... This opens a extensive range of possible applications in magnetic separation, biotechnology, and preconcentration of targeted drug delivery, target analytes, and vehicles for drug and gene delivery and more significantly diagnostic imaging. Furthermore, numerous imaging modalities have been established over ...
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Magnetic particles in the nanometer size range can be captured by sufficiently large magnetic forces in competition with thermal diffusion. This paper reports on the results of …
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Magnetic nanoparticle-based separation of metallic and semiconducting carbon nanotubes Hyung Joon Kim 1, Sungsic Hwang, Jeseung Oh1, ... (SWNTs) from metallic SWNTs using magnetic nanoparticles (MNPs) functionalized with polycationic tri-aminated polysorbate 80 (TP80). MNPs–TP80 are
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In recent years, the use of magnetic nanoparticles (MNPs) in biomedical applications has gained more and more attention. Their unusual properties make them ideal candidates for the advancement of diagnosis, therapy, and imaging applications. This review addresses the use of MNPs in the field of biomedicine encompassing their synthesis, …
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Metallic iron and cobalt-fabricated magnetic nanoparticles allow higher magnetization, yet the former requires coating to protect it from oxidation. Platinum-fabricated magnetic nanoparticles show great potential as contrast …
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In this paper, ultrafine noble metallic nanoparticles are incorporated into cauliflower-like porous magnetic metal–organic frameworks (MOFs). With the restriction effects of the pore/surface structure in the MOFs, "surfactant-free" …
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Magnetic nanoparticles (MNPs) have been studied for diagnostic purposes for decades. Their high surface-to-volume ratio, dispersibility, ability to interact with various molecules and superparamagnetic properties are at the core of what makes MNPs so promising. They have been applied in a multitude of areas in medicine, particularly Magnetic Resonance Imaging …
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Magnetic Solid Phase Extraction as a Promising Technique for Fast Separation of Metallic Nanoparticles and Their Ionic Species: A Review of Recent Advances September 2020 Journal of Analytical ...
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3. Synthesis and Characterization of Magnetite Nanoparticles. MNPs for various applications should possess certain parameters, namely, narrow size distribution, biocompatibility, weak aggregation (stability), definite surface properties, and high saturation magnetization.
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The use of magnetic nanoparticles has greatly expanded for numerous biomedical applications over the past two decades due to their high surface area, size-dependent superparamagnetic properties, precision tunability, and easy surface modification. Magnetic nanoparticles can be engineered and manipulated with other nanoparticles and functional …
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In this work, a new defect carbon encapsulated magnetic metallic Co nanoparticles (denoted as Co@DC) was prepared via pyrolyzing Co-BTC (BTC: 1,3,5-trimesic acid) MOFs precursor at 900 °C, and characterized by various technologies to prove that the Co@DC contains Co 0, Co 2+ and Co 3+.It was used to activate peroxymonosulfate (PMS) to …
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MNPs can be synthesized using various methods to produce nano- to micro-sized high-quality nanoparticles. Oxides of iron, including γ-Fe 2 O 3 and Fe 3 O 4, and pure standalone metals (namely iron and cobalt) have all been used to make magnetic nanoparticles.Many recent studies have demonstrated effective synthetic ways to fine-tune the morphology, enhance the stability, …
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Numerous metallic [77-81] and alloy [82-85] magnetic nanoparticles have been synthesized, but here, we focus on the material engineering of iron oxide nanoparticles because of their ubiquity in nature, biocompatibility and unique …
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