608 results match your criteria constant nanocomposites


Effect of sodium chloride as a porogen agent in mechanical properties of PLGA/HA nanocomposite scaffolds.

Biomed Phys Eng Express 2021 Apr 12;7(3):035009. Epub 2021 Apr 12.

Department of Materials Science and Engineering, Shiraz University, Shiraz, Iran.

In this study, the novel poly (lactic-co-glycolic acid)-Hydroxyapatite nanoparticles (PLGA/HA) nanocomposite scaffolds were fabricated with solvent casting and particulate leaching (SCPL) method. The role of sodium chloride (NaCl) particles with diameters of 250-400 μm as porogen agent in the mechanical strength of the produced scaffolds was evaluated. The prepared scaffolds were characterized using Fourier transform infrared (FT-IR), X-ray diffraction (XRD), scanning electron microscopy (SEM), thermal gravimetric analysis (TGA) and compressive tests. Read More

View Article and Full-Text PDF

Facile fabrication and characterization of kraft lignin@FeO nanocomposites using pH driven precipitation: Effects on increasing lignin content.

Int J Biol Macromol 2021 Mar 22;181:313-321. Epub 2021 Mar 22.

Department of Chemical and Materials Engineering, University of Dayton, 300 College Park, Dayton, OH 45469-0256, USA; Integrative Science and Engineering Center, University of Dayton, 300 College Park, Dayton, OH 45469, USA. Electronic address:

This work offers a facile fabrication method for lignin nanocomposites through the assembly of kraft lignin onto magnetic nanoparticles (FeO) based on pH-driven precipitation, without needing organic solvents or lignin functionalization. Kraft lignin@FeO multicore nanocomposites fabrication proceeded using a simple, pH-driven precipitation technique. An alkaline solution for kraft lignin (pH 12) was rapidly injected into an aqueous-based FeO nanoparticle colloidal suspension (pH 7) under constant mixing conditions, allowing the fabrication of lignin magnetic nanocomposites. Read More

View Article and Full-Text PDF

Evaluation of physicochemical properties and catalytic activity of poly(PMDAH-co-ODA/PPDA) nanocomposites towards the removal of toxic pollutants.

Chemosphere 2021 May 9;271:129890. Epub 2021 Feb 9.

Department of Chemical Engineering, National Taiwan University, Taipei, 10617, Taiwan. Electronic address:

Synthesis of Polyimides (PIs) between pyromellitic dianhydride (PMDAH) and oxydianiline (ODA) or p-phenylenediamine (PPDA) in the presence and absence of VO and Ag nanoparticles (NPs) were carried out under N atmosphere at 160 °C for 5 h with vigorous stirring in N-methylpyrrolidone (NMP) solvent. The prepared PI and its nanocomposites were analyzed by FT-IR spectroscopy, H NMR spectroscopy, FE-SEM, SEM, DSC and TGA like analytical instruments. The FE-SEM showed various surface morphologies for different PI nanocomposites. Read More

View Article and Full-Text PDF

Catalytic reduction of 4-nitrophenol by green silver nanocomposites assembled using microbial extracellular polymer substances.

Environ Res 2021 Mar 12;197:111006. Epub 2021 Mar 12.

State Key Laboratory of Urban Water Resource and Environment, School of Environment, Harbin Institute of Technology, Harbin, 150090, PR China. Electronic address:

Silver (Ag) nanocomposites were prepared via a facile and eco-friendly route using microbial extracellular polymer substances (EPSs) as green substrates for the catalytic reduction of 4-nitrophenol. Batch adsorption experiments demonstrated the binding of microbial EPSs to silver ions (Ag), which was promoted by UV light, as was evident in the kinetics and thermodynamics analyses. The assembly mechanism of Ag nanocomposites prepared using microbial EPSs in the presence of UV light was investigated using the spectral analysis. Read More

View Article and Full-Text PDF

Strategic Customization of Polymeric Nanocomposites Modified by 2D Titanium Oxide Nanosheet for High-k and Flexible Gate Dielectrics.

Small 2021 Mar 14:e2007213. Epub 2021 Mar 14.

Thin Film Materials Research Center, Korea Research Institute of Chemical Technology (KRICT), 141 Gajeong-ro, Yuseong-gu, Daejeon, 34114, Republic of Korea.

Organic polymer-based dielectrics with intrinsic mechanical flexibility and good processability are excellent candidates for the dielectric layer of flexible electronics. These polymer films can become even more rigid and electrically robust when modified through cross-linking processes. Moreover, the composites formed by dispersing nanoscale inorganic fillers in a polymer matrix can exhibit further improved polarization property. Read More

View Article and Full-Text PDF

New electrochemical method for programmed death-ligand 1 detection based on a paper-based microfluidic aptasensor.

Bioelectrochemistry 2021 Feb 23;140:107789. Epub 2021 Feb 23.

State Key Laboratory of Transducer Technology, Aerospace Information Research Institute, Chinese Academy of Sciences, Beijing 100190, PR China; University of Chinese Academy of Sciences, Beijing 100049, PR China. Electronic address:

As programmed death-ligand 1 (PD-L1) is considered a referenced therapeutic biomarker, a rapid and low-cost method to detect PD-L1 in body fluids is necessary. In this work, a paper-based microfluidic aptasensor for label-free electrochemical detection of PD-L1 in liquids was fabricated. The aptasensor integrates a reaction cell and a three-electrode system, and a differential pulse voltammetry electrochemical method was adopted. Read More

View Article and Full-Text PDF
February 2021

Molecular Dynamics Studies in Nanojoining: Self-Propagating Reaction in Ni/Al Nanocomposites.

J Mater Eng Perform 2021 Feb 16:1-7. Epub 2021 Feb 16.

Laboratoire Interdisciplinaire Carnot de Bourgogne, UMR 6303, CNRS, Université de Bourgogne Franche-Comté, Dijon, France.

Reactive joining with Ni/Al nanocomposites is an innovative technology that provides an alternative to more common bonding techniques. This work focuses on a class of energetic material, produced by high energy ball milling and cold rolling. The initial microstructure is more complex than that of reactive multilayer nanofoils, produced by magnetron sputtering, in which the bilayer thickness is constant. Read More

View Article and Full-Text PDF
February 2021

Effect of graphene and carbon-nitride nanofillers on the thermal transport properties of polymer nanocomposites: A combined molecular dynamics and finite element study.

Phys Rev E 2021 Jan;103(1-1):013310

Department of Physics, University of Zanjan, Zanjan 45195-313, Iran.

Low thermal conductivity of polymers, which is one of the considerable drawbacks of commonly used composite structures, has been the focus of many researchers aiming to achieve high-performance polymer-based nanocomposites through the inclusion of highly thermally conductive fillers inside the polymer matrices. Thus, in the present study, a multiscale scheme using nonequilibrium molecular dynamics and the finite element method is developed to explore the impact of different nanosized fillers (carbon-nitride and graphene) on the effective thermal conductivity of polyethylene-based nanocomposites. We show that the thermal conductivity of amorphous polyethylene at room temperature using the reactive bond order interatomic potential is nearly 0. Read More

View Article and Full-Text PDF
January 2021

Green synthesis of lignin nanorods/g-CN nanocomposite materials for efficient photocatalytic degradation of triclosan in environmental water.

Chemosphere 2021 Jun 28;272:129801. Epub 2021 Jan 28.

Department of Medicinal and Applied Chemistry, College of Life Sciences, Kaohsiung Medical University (KMU), Kaohsiung City, 807, Taiwan; Research Center for Environmental Medicine, College of Medicine, Kaohsiung Medical University (KMU), Kaohsiung City, 807, Taiwan; Department of Medical Research, Kaohsiung Medical University Hospital (KMUH), Kaohsiung City, 807, Taiwan. Electronic address:

Triclosan (TCS) is a common anti-microbial ingredient in pharmaceutical and personal care products. The usage of TCS was banned by the United States Food and Drug Administration (in 2016) due to its potential health risks. However, TCS has been frequently detected in the aquatic environment. Read More

View Article and Full-Text PDF

Enhanced Piezocatalytic Activity of SrBaNbO Nanostructures by Engineering Surface Oxygen Vacancies and Self-Generated Heterojunctions.

ACS Appl Mater Interfaces 2021 Feb 4;13(6):7259-7267. Epub 2021 Feb 4.

Department of Materials Science and Engineering, Southern University of Science and Technology, Shenzhen 518055, Guangdong, China.

Piezocatalysis provides a promising strategy for directly converting weak mechanical energy into chemical energy. In this work, we report a simple one-step hydrogen reduction route for the simultaneous generation of surface defects and heterojunctions in SrBaNbO nanorods fabricated by a molten salt synthesis method. The as-fabricated SrBaNbO/SrNbO nanocomposites with controllable oxygen vacancies exhibited excellent piezocatalytic activity under ultrasonic vibration, with an about 7 times enhancement of the rate constant ( = 0. Read More

View Article and Full-Text PDF
February 2021

Magnetic reduced graphene oxide as a nano-vehicle for loading and delivery of curcumin.

Spectrochim Acta A Mol Biomol Spectrosc 2021 May 15;252:119471. Epub 2021 Jan 15.

School of Chemical Engineering and Advanced Materials, The University of Adelaide, Adelaide, South Australia 5005, Australia.

Magnetic nanoparticles have been widely used in the field of nanomedicine as drug delivery vehicles for targeted imaging-guided and controlled drug uptake and release actions. In this work, the loading of curcumin on FeO/rGO nanocomposites and their interaction mechanism were investigated by multispectral methods including resonance light scattering (RLS), atomic force microscopy (AFM), circular dichroism (CD) and Fourier transform infrared (FT-IR). Results revealed that the drug loading was a complex process which is not governed by a simple adsorption. Read More

View Article and Full-Text PDF

An alginate-PHMB-AgNPs based wound dressing polyamide nanocomposite with improved antibacterial and hemostatic properties.

J Mater Sci Mater Med 2021 Jan 20;32(1). Epub 2021 Jan 20.

Department of Textile Engineering, Faculty of Engineering, University of Guilan, Rasht, 41635-3756, Iran.

Wound dressing should be impenetrable against microorganisms and it should keep the wound wet. Gauze and polyamide (PA) substrate were treated with various concentrations of AgNPs (25, 50, 75, and 100 ppm), PHMB (0.2, 0. Read More

View Article and Full-Text PDF
January 2021

Synthesis and Characterization of New Mesoporous Polyurethane-Nitrogen Doped Carbon Dot Nanocomposites: Ultrafast, Highly Selective and Sensitive Turn-off Fluorescent Sensors for Fe Ions.

J Fluoresc 2021 Mar 16;31(2):517-539. Epub 2021 Jan 16.

Department of Chemistry, Faculty of Science, Arak University, Arak, 38156-8-8349, Iran.

A new fluorescent mesoporous polyurethane (PU) (9) was synthesized by reaction between 2,2'-(methylenebis(4,1-phenylene))bis(5-isocyanatoisoindoline-1,3-dione) (Diisocyanate) (5) and 4,4',4″-((1,3,5-triazine-2,4,6-triyl)tris (azanediyl))triphenol (Triol, TO) (8) (molar ratio 3:2). PU was characterized by using FT-IR, H-NMR, XRD, UV-Vis, TGA, Nitrogen adsorption-desorption isotherm, BET, FE-SEM and Photoluminescence (PL) analyses. To the best of our knowledge, this is the first time that a fluorescent polyurethane has been made without the use of commercial fluorescent materials. Read More

View Article and Full-Text PDF

Determining the dielectric constant of injection-molded polymer-matrix nanocomposites filled with barium titanate.

MRS Commun 2020 24;10(4):587-593. Epub 2020 Dec 24.

Nanoscale Sciences Department, Sandia National Laboratories, 1515 Eubank Blvd., Albuquerque, NM 87123 USA.

Barium titanate (BTO) is a ferroelectric perovskite with potential in energy storage applications. Previous research suggests that BTO dielectric constant increases as nanoparticle diameter decreases. This report recounts an investigation of this relationship. Read More

View Article and Full-Text PDF
December 2020

Tunable Substrate Functionalities Direct Stem Cell Fate toward Electrophysiologically Distinguishable Neuron-like and Glial-like Cells.

ACS Appl Mater Interfaces 2021 Jan 24;13(1):164-185. Epub 2020 Dec 24.

Laboratory for Biomaterials, Materials Research Centre, Indian Institute of Science, Bangalore 560012, India.

Engineering cellular microenvironment on a functional platform using various biophysical cues to modulate stem cell fate has been the central theme in regenerative engineering. Among the various biophysical cues to direct stem cell differentiation, the critical role of physiologically relevant electric field (EF) stimulation was established in the recent past. The present study is the first to report the strategy to switch EF-mediated differentiation of human mesenchymal stem cells (hMSCs) between neuronal and glial pathways, using tailored functional properties of the biomaterial substrate. Read More

View Article and Full-Text PDF
January 2021

Efficient solar heterogeneous photocatalytic degradation of metronidazole using heterojunction semiconductors hybrid nanocomposite, layered double hydroxides.

Water Sci Technol 2020 Dec;82(12):2837-2846

Laboratory of Natural Gas Chemistry, Faculty of Chemistry, University of Sciences and Technology, Houari Boumediene, Algiers 16 111, Algeria.

This study focuses on the synthesis of various nanocomposites with heterojunction structures, MgAl-LDH (LDH = layered double hydroxides) hybrid with semiconductor such as MoO and CuO. These solids were synthesized by co-precipitation method at constant pH and have been characterized extensively using atomic absorption spectroscopy (AAS), X-ray diffraction (XRD), Fourier transform infrared (FTIR) and transmission electron microscopy-energy dispersive X-ray (TEM-EDX) methods. The catalytic activity of nanocomposites was tested in the photocatalytic degradation under solar irradiation of emerging pollutants as the pharmaceutical metronidazole (MNZ). Read More

View Article and Full-Text PDF
December 2020

The recovery of nano-sized carbon black filler structure and its contribution to stress recovery in rubber nanocomposites.

Nanoscale 2020 Dec;12(48):24527-24542

National Synchrotron Radiation Lab and CAS Key Laboratory of Soft Matter Chemistry, Anhui Provincial Engineering Laboratory of Advanced Functional Polymer Film, University of Science and Technology of China, Hefei, 230029, China.

The hierarchical structural evolution of natural rubber (NR) filled with different contents of nanoscale carbon black (CB) (10 phr-CB10 and 50 phr-CB50) after first loading and recovering for different times was investigated by X-ray nano-CT, wide-angle X-ray scattering (WAXS) and solid state NMR techniques. The CB filler structures as captured by X-ray nano-CT recover gradually with increasing recovering time, but the filler network with different CB contents shows dramatically different structure evolution. For CB10, limited by the filling content, CB particles mainly induces a hydrodynamic effect in spite of deformation or recovering. Read More

View Article and Full-Text PDF
December 2020

Plasmonic ZnO/Au/g-CN nanocomposites as solar light active photocatalysts for degradation of organic contaminants in wastewater.

Chemosphere 2021 Jan 7;263:128262. Epub 2020 Sep 7.

Department of Chemistry (BK21 FOUR) and Research Institute of Natural Sciences, Gyeongsang National University, Jinju, 52828, South Korea. Electronic address:

In the present study, novel ZnO/Au/graphitic carbon nitride (g-CN) nanocomposites were fabricated via a facile and eco-friendly liquid phase pulsed laser process followed by calcination. Notably, the approach did not necessitate the use of any capping agents or surfactants. The as-prepared photocatalysts were evaluated by various electron microscopy and spectroscopy techniques. Read More

View Article and Full-Text PDF
January 2021

Delving into the properties of polymer nanocomposites with distinctive nano-particle quantities, for the enhancement of optoelectronic devices.

Heliyon 2020 Nov 26;6(11):e05597. Epub 2020 Nov 26.

Department of Physics and Astronomy, College of Science, King Saud University, Riyadh 11451, Saudi Arabia.

The study focusses on synthesis and modification of structural, optical and electrical characteristics of nanostructured titanium dioxide anatase embedded Poly(methyl methacrylate) (PMMA) nanocomposite with different weight percentages (0.03, 0.06, 0. Read More

View Article and Full-Text PDF
November 2020

Detection of Trace-Level Nitroaromatic Explosives by 1-Pyreneiodide-Ligated Luminescent Gold Nanostructures and Their Forensic Applications.

Langmuir 2020 Dec 8;36(50):15442-15449. Epub 2020 Dec 8.

Institute of Research and Development, Gujarat Forensic Sciences University, Gandhinagar 382007, India.

By attaching the1-pyreneiodide ancillary ligand to the surface of polyvinylpyrrolidone-stabilized gold (Au:PVP) cluster or the cetyltrimethyl ammonium bromide-stabilized gold (Au:CTAB) nanorod, a new class of luminescent mixed ligand-stabilized gold nanostructures is synthesized. This postsynthetic surface modification method followed by us is a comparatively easier and hassle-free technique to acquire surface-active luminescent "". Careful analyses of transmission electron microscopy images revealed that the sizes of these Au-clusters or Au-nanorods remain unchanged without any noticeable aggregation in the medium. Read More

View Article and Full-Text PDF
December 2020

Recent developments in the synthesis of chemically modified nanomaterials for use in dielectric and electronics applications.

Nanotechnology 2021 Apr;32(14):142004

Department of Chemistry, Howard University, Washington DC, United States of America.

Polymer nanocomposites (PNC) have attracted enormous scientific and technological interest due to their applications in energy storage, electronics, biosensing, drug delivery, cosmetics and packaging industry. Nanomaterials (platelet, fibers, spheroids, whiskers, rods) dispersed in different types of polymer matrices constitute such PNC. The degree of dispersion of the inorganic nanomaterials in the polymer matrix, as well as the structured arrangement of the nanomaterials, are some of the key factors influencing the overall performance of the nanocomposite. Read More

View Article and Full-Text PDF

Ratiometric Detection of DNA and Protein in Serum by a Universal Tripyridinyl Ru Complex-Encapsulated SiO@Polydopamine Fluorescence Nanoplatform.

Anal Chem 2020 12 25;92(24):15908-15915. Epub 2020 Nov 25.

Zhangdayu School of Chemistry, Dalian University of Technology, Dalian 116023, PR China.

Fluorescence ratiometric biosensors are valuable tools for the accurate and sensitive prediction and diagnosis of diseases. However, seldom have fluorescence ratiometric biosensors for protein and DNA been reported because of the shortage of suitable nanoscale scaffolds. Herein, a tripyridinyl Ru complex-encapsulated SiO@polydopamine (Ru-SiO@PDA) nanocomposite was designed as a universal platform for fluorescence ratiometric detection of DNA and protein in serum samples. Read More

View Article and Full-Text PDF
December 2020

Bi/SnO/TiO-graphene nanocomposite photocatalyst for solar visible light-induced photodegradation of pentachlorophenol.

Environ Sci Pollut Res Int 2021 Mar 24;28(12):15236-15247. Epub 2020 Nov 24.

Department of Environmental Engineering, Faculty of Natural Resources and Environment, University of Birjand, Birjand, Iran.

In this study, for the first time, a TiO/graphene (G) heterostructure was synthesized and doped by Bi and SnO nanoparticles through a hydrothermal treatment. The as-synthesized nanocomposite was employed for photocatalytic degradation of pentachlorophenol (PCP) under visible light irradiation. Structural characterizations such as X-ray photoelectron spectroscopy (XPS) and X-ray diffraction spectroscopy (XRD) proved the valence band alignment at Bi/SnO/TiO-G interfaces and crystallinity of the nanocomposite, respectively. Read More

View Article and Full-Text PDF

Carboxymethyl cellulose nanocomposite beads as super-efficient catalyst for the reduction of organic and inorganic pollutants.

Int J Biol Macromol 2021 Jan 18;167:101-116. Epub 2020 Nov 18.

Chemistry Department, Faculty of Science, King Abdulaziz University, P. O. Box 80203, Jeddah 21589, Saudi Arabia; Center of Excellence for Advanced Materials Research, King Abdulaziz University, P. O. Box 80203, Jeddah 21589, Saudi Arabia.

Carboxymethyl cellulose/copper oxide-nickel oxide (CMC/CuO-NiO) nanocomposite beads were prepared by facile, simple and environmentally friendly method. Initially, CuO-NiO was prepared and applied for the catalytic reduction of 4-nitrophenol (4-NP). The results showed that CuO-NiO demonstrate high catalytic activity toward the reduction of 4-NP to 4-aminophenol (4-AP) with a rate constant of 2. Read More

View Article and Full-Text PDF
January 2021

Facile one-pot green synthesis of Ag-ZnO Nanocomposites using potato peeland their Ag concentration dependent photocatalytic properties.

Sci Rep 2020 11 19;10(1):20229. Epub 2020 Nov 19.

Department of Chemistry, College of Science, King Saud University, Riyadh, 11451, Kingdom of Saudi Arabia.

Herein, a facile green synthesis route was reported for the synthesis of Ag-ZnO nanocomposites using potato residue by simple and cost effective combustion route and investigated the photocatalytic degradation of methylene blue (MB) dye. In the preparation potato extract functioned as a biogenic reducing as well as stabilizing agent for the reduction of Ag + , thus eliminating the need for conventional reducing/stabilizing agents. Ag-ZnO nanocomposites with different Ag mass fractions ranging from 2 to 10% were characterized by using XRD, FT-IR, XPS, SEM, TEM, and UV-Vis spectroscopy. Read More

View Article and Full-Text PDF
November 2020

Strong piezocatalysis in barium titanate/carbon hybrid nanocomposites for dye wastewater decomposition.

J Colloid Interface Sci 2021 Mar 5;586:758-765. Epub 2020 Nov 5.

State Key Lab of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences. Shanghai 200050, China.

In this work, the strong piezocatalysis is found in the two-step hydrothermally-synthesized barium titanate/carbon hybrid nanocomposites and is used for rhodamine B dye decomposition. As the carbon content increases from 0 to 5 wt%, the catalytic performance of hybrid nanocomposites first increases and then slightly decreases. When the carbon content increases to 2 wt%, the barium titanate/carbon hybrid nanocomposites exhibit the optimal piezocatalytic performance, which have the ~75. Read More

View Article and Full-Text PDF

Synthesis of the magnetic core-shell bi-metallic and tri-metallic metal-organic framework nanocomposites for dye adsorption.

Water Environ Res 2020 Nov 15. Epub 2020 Nov 15.

Chemistry & Process Engineering Department, Niroo Research Institute, Tehran, Iran.

Bi-metallic and tri-metallic metal-organic frameworks (MOFs) supported on the magnetic activated carbon (MAC) were synthesized for the reduction of methylene blue (MB) concentration in the aqueous solutions. The adsorbent nanocomposites were characterized by applying the general tests including XRD, FTIR, FESEM, TEM, BET, and VSM. The XRD achievements demonstrated that crystalline structure of MOFs was derived on the MAC by the presented method. Read More

View Article and Full-Text PDF
November 2020

Laser Ablation-Assisted Synthesis of Poly (Vinylidene Fluoride)/Au Nanocomposites: Crystalline Phase and Micromechanical Finite Element Analysis.

Polymers (Basel) 2020 Nov 9;12(11). Epub 2020 Nov 9.

Plastic Materials Department, Faculty of Polymer Processing, Iran Polymer and Petrochemical Institute, P.O. Box 14965/115, Tehran 13115-14977, Iran.

In this research, piezoelectric polymer nanocomposite films were produced through solution mixing of laser-synthesized Au nanoparticles in poly (vinylidene fluoride) (PVDF) matrix. Synthetization of Au nanoparticles was carried out by laser ablation in -methyle-2-pyrrolidene (NMP), and then it was added to PVDF: NMP solution with three different concentrations. Fourier transformed infrared spectroscopy (FTIR) and X-ray diffraction (XRD) were carried out in order to study the crystalline structure of the nanocomposite films. Read More

View Article and Full-Text PDF
November 2020

Catalysis of rGO-WO nanocomposite for aqueous bisphenol A degradation in dielectric barrier discharge plasma oxidation process.

Chemosphere 2021 Jan 21;262:128073. Epub 2020 Aug 21.

School of the Environment and Safety Engineering, Jiangsu University, Zhenjiang, 212013, PR China.

Due to the multi-catalysis of the WO and excellent properties of the graphene (GO), a series of rGO-WO nanocomposites were prepared through the hydrothermal synthesis procedure by changing the material ratio, the reaction temperature and the reaction time in this paper, and then added it into a dielectric barrier discharge plasma (DBDP) system for investigating the bisphenol A (BPA)'s degradation and corresponding catalytic mechanism of the rGO-WO in the DBDP system. The obtained results show that there was an optimum dosage of the rGO-WO (40 mg/L) as well as the preparation conditions (5:1000 mass ratio of the GO and the WO, 18 h reaction time and 120 °C reaction temperature) for achieving the highest catalytic effect, and the highest degradation rate constant of the BPA was 0.03129 min. Read More

View Article and Full-Text PDF
January 2021

From Single-Core Nanoparticles in Ferrofluids to Multi-Core Magnetic Nanocomposites: Assembly Strategies, Structure, and Magnetic Behavior.

Nanomaterials (Basel) 2020 Oct 31;10(11). Epub 2020 Oct 31.

Laboratory of Magnetic Fluids, Center for Fundamental and Advanced Technical Research, Romanian Academy-Timisoara Branch, Mihai Viteazul Ave. 24, 300223 Timisoara, Romania.

Iron oxide nanoparticles are the basic components of the most promising magnetoresponsive nanoparticle systems for medical (diagnosis and therapy) and bio-related applications. Multi-core iron oxide nanoparticles with a high magnetic moment and well-defined size, shape, and functional coating are designed to fulfill the specific requirements of various biomedical applications, such as contrast agents, heating mediators, drug targeting, or magnetic bioseparation. This review article summarizes recent results in manufacturing multi-core magnetic nanoparticle (MNP) systems emphasizing the synthesis procedures, starting from ferrofluids (with single-core MNPs) as primary materials in various assembly methods to obtain multi-core magnetic particles. Read More

View Article and Full-Text PDF
October 2020