Nanocomposites contain particles. Medical search. Frequent questions

Single particle spectroscopy techniques have therefore become the standard for understanding how the energy of the localized surface plasmon of individual nanoparticles scales with small changes in the morphology. (acs.org)
This Perspective discusses how different single particle imaging and spectroscopy techniques together with electron microscopy can be applied to reveal the relationships between the plasmonic response and the morphology of individual nanoparticles as well as their assemblies. (acs.org)
Controlled Overgrowth of Five-Fold Concave Nanoparticles into Plasmonic Nanostars and Their Single-Particle Scattering Properties. (acs.org)
To further investigate the chain architecture effect on reinforcement mechanism of nanocomposite networks, new polymer loop-grafted nanoparticles were prepared and blended with long and short chain matrices. (aps.org)
We hypothesized that it would be possible to use a solvent injection method to create novel nanocomposite systems that consist of encapsulated gold nanoparticles within liposomes to improve drug delivery while also permitting non-invasive imaging. (confex.com)
In the study presented herein, iron oxide nanoparticles were incorporated into a silicone rubber matrix to create an electomagnetically-susceptible nanocomposite in an effort to reduce common mode noise. (aps.org)
We first discuss different strategies (chemical grafting, magnetic field, specific additives or controlled sample processing) to control the filler dispersion inside the polymer matrix with different particles (colloidal or industrial silica, magnetic nanoparticles) dispersed in polymers (Polystyrene, Poly (methyl methacrylate)) or elastomers (Styrene-Butadiene-Rubber). (cea.fr)
We finally propose some strategies to progress in the understanding of the specific polymer-chain interactions with nanocomposites using grafted nanoparticles. (cea.fr)

The chemical method was used for the synthesis of chitosan, silver and chitosan-Silver nanocomposite. (springer.com)
This paper analyzes available data on the synthesis and properties of polymer nanocomposites prepared by various techniques (sol-gel processing and microemulsion and frontal polymerizations) and containing polymethyl methacrylate, polydimethylsiloxane, natural rubber, and other polymers as binders, and various amounts of nano- and microadditives: SiO2, TiO2, FeO, clay, and Y1Ba2Cu3O7 − x. (glow-project.eu)
H. Nasiri, J. Vahdati Khaki and S. M. Zebarjad, "One-Step Fabrication of Cu-Al2O3 Nanocomposite via Solution Com- bustion Synthesis Route," Journal of Alloys and Com- pounds, Vol. 509, No. 17, 2011, pp. 5305-5308. (scirp.org)
This comprehensive two volume set covers the synthesis, characterization and applications of natural rubber based blends, interpenetrating polymer networks, composites and nanocomposites. (worldcat.org)
In the present work{,} a graphene-based ZnFe2O4 nanocomposite has been synthesized using urea-assisted auto combustion synthesis followed by an annealing step. (amrita.edu)
Urea synthesis is attractive{,} as it can rapidly synthesize materials with a high degree of control of particle size and morphology at low cost. (amrita.edu)

Achieving uniformly distributed reinforcement particles in a dense matrix is crucial for enhancing the mechanical properties of nanocomposites. (tu-berlin.de)
Volume 2 focuses on natural rubber-based composites and Nanocomposites including the different types of fillers, the filler-matrix reinforcement mechanisms, manufacturing techniques, and applications. (worldcat.org)
As a reinforcement agent, calcium carbonate from avian eggshell waste was used, at 10 ph of micro particles, 125 μm. (intechopen.com)
The viscoelastic properties measured in a strain-controlled rheometer showed that with particles larger than the network mesh size, the reinforcement was independent on particle loading in entangled composite networks. (aps.org)
In the permanent composite network where chains cannot relax, the reinforcement depended on particle loading and the localized particle aggregation of particles within a dense network. (aps.org)
The nano-clay reinforcement influences the tensile and fracture toughness of the polyester nanocomposites. (aiche.org)
The use of nanoclays as reinforcement to create "polymer-clay nanocomposites" with properties greater than the parent constituents has been well established over the past few decades. (bham.ac.uk)
Despite of unusual performances of mechanical reinforcement, adhesion or deformability, the general viscoelastic behaviors in nanocomposites remain still not fully described due to specific interactions, difficult to identify and to complex organizations covering a large range of typical sizes from the nanometer to the micrometer. (cea.fr)
With a combination of several methods, the viscoelastic behavior has been determined and analyzed quantitatively with hydrodynamic and percolation models: the reinforcement is mostly driven by the aggregate morphologies and by the network strength (depending on inter-particle and inter-aggregate interactions). (cea.fr)

The findings demonstrate significant variations in the size and dispersion of SiC particles within the Mg matrix. (tu-berlin.de)
J. R. Groza and J. C. Gibeling, "Principles of Particle Se- lection for Dispersion-Strengthened Copper," Materials Science and Engineering A, Vol. 171, No. 1-2, 1993, pp. pp. 115-125. (scirp.org)
However, dispersion of the inorganic filler at the nanometer scale has led to significant improvements in the properties of polymer nanocomposites. (aiche.org)
Putting together "soft" polymer chains and "hard" particles of similar nanometer size opens also the way to new questions of fundamental physics associated to polymer chains conformation and dynamic, dispersion mechanisms and confinement effects. (cea.fr)
The present work exposes the correlations that can be established between particle dispersion and polymer chain conformation with the viscoelastic behavior of the materials at rest and under deformation across different examples of nanocomposites. (cea.fr)

We explored the effect of entanglements and particle loading on viscoelastic properties of crosslinked polymer nanocomposite networks. (aps.org)

Title : Characterization and Control of Airborne Particles Emitted During Production of Epoxy / Carbon Nanotube Nanocomposites Personal Author(s) : Cena, Lorenzo G.;Peters, Thomas M. (cdc.gov)
G. B. Veeresh Kumar, C. S. P. Rao and N. Selvaraj, "Mechanical and Tribological Behavior of Particulate Rein- forced Aluminum Metal Matrix Composites-A Review," Journal of Minerals & Materials Characterization & En- gineering, Vol. 10, No.1, 2011, pp. 59-91. (scirp.org)

Single-Particle Investigation of Plexcitons in Bimetallic Nanorods. (acs.org)
The model can be tightly compared to measurements with single particle extinction and scattering and spectrophotometry and suggests a simple behavior for 90° scattering from fractal aggregates as a function of extinction, which is also confirmed experimentally and numerically. (springer.com)

The CS-Ag nanocomposite was characterized using Field emission scanning electronic microscope (FESEM), X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR). (springer.com)
The resulting particles were characterized by dynamic light scattering (particle size) and UV-Vis spectroscopy (optical properties). (confex.com)
Such a ultra-black textured nanocomposite may find many applications such as suppression of stray light in telescopes, thermal imaging sensors, spectroscopy and energy harvesting. (aps.org)

In the framework for uncertainty quantification of PNCs, a sensitivity analysis (SA) has been conducted to examine the influence of uncertain input parameters on the fracture toughness of polymer/clay nanocomposites (PNCs). (uni-weimar.de)
The Bayesian method is applied to develop a methodology in order to evaluate the performance of different analytical models used in predicting the fracture toughness of polymeric particles nanocomposites. (uni-weimar.de)
Stochastic finite element modeling is implemented to predict the fracture toughness of polymer/particle nanocomposites. (uni-weimar.de)

SEM morphology showed that increasing content of OMMT reduces the domain size of phase separated particles. (scialert.net)
It was discovered that polymer morphology has a profound influence on the assembly structures of nanocomposite. (aps.org)

In this sense, the sophisticated nanocomposites with multiple components have deepened the insight of nanomaterials and enriched the content of environmental chemistry. (hindawi.com)
In this special issue, we invite the submission of original research articles as well as review articles that focus on the functionalized process and environmental applications of nanomaterials and nanocomposites in wide fields. (hindawi.com)
Advanced manufacturing techniques increasingly rely on engineered nanomaterials (ENMs) as filler material for nanocomposites (NCs). (cdc.gov)

The flow behavior is mostly driven by the polymer chain contribution whose physical origin is related to specific polymer-particle interactions. (cea.fr)
Artificial neural network (ANN) and adaptive neuro-fuzzy inference system (ANFIS) have been employed to predict the fracture energy of polymer/particle nanocomposites. (uni-weimar.de)

It was shown that the AuNP could be stably entrapped within conventional liposomes to form nanocomposites while maintaining a narrow liposome size distribution- profile around 100 nm and a zeta potential near 30 mV, indicating good colloidal stability. (confex.com)
From nanoengineered colloid particles to ordered colloidal assemblies. (mpg.de)
Hollow titania spheres from layered precursor deposition on sacrificial colloidal core particles. (mpg.de)

CS-Ag nanocomposite exhibits good antimicrobial and antitumor properties. (springer.com)
The dielectric properties of nanocomposites based on isotactic polypropylene (iPP) and atactic polystyrene (aPS) obtained by novel, simple, and environmentally friendly treatment technique have been analyzed in this study. (ac.rs)
The best treatment conditions to obtain nanocomposites with embedded core-shell particles with enhanced dielectric properties were considered. (ac.rs)
TY - JOUR AU - Petronijević, Ivan M. AU - Dudić, Duško AU - Cerović, Dragana D. AU - Maletić, Slavica B. AU - Marinković, Filip AU - Pergal, Marija V. AU - Anđelković, Ljubica PY - 2023 UR - https://vinar.vin.bg.ac.rs/handle/123456789/11102 AB - The dielectric properties of nanocomposites based on isotactic polypropylene (iPP) and atactic polystyrene (aPS) obtained by novel, simple, and environmentally friendly treatment technique have been analyzed in this study. (ac.rs)
As anode materials for lithium ion batteries{,} the obtained nanocomposite electrode shows significantly improved lithium storage properties with a high reversible capacity{,} excellent cycling stability and higher rate capability compared to the pure ZnFe2O4 nanoparticle electrode. (amrita.edu)
Polymer clay nanocomposites have received considerable attention since the polymer properties can be greatly improved by the presence of nanosized clay particles. (aiche.org)
Polymer-layered silicate (PLS) nanocomposites show high stiffness, strength and excellent barrier properties with far less filler content compared to conventional glass or mineral filled polymers. (aiche.org)
The work presents the assessment of mechanical and tribological properties and highlights the alkali resistance of polyester clay nanocomposites. (aiche.org)
These particles are readily taken up even by aggressive, hormone-refractory prostate cancer cells and the data suggest that they possess similar tumor deposition properties in vivo compared to traditional long-circulating sterically stabilized liposome (SSL) formulations. (confex.com)
The influence of the internal structure of inhomogeneous particles on their radiative properties is an open issue repeatedly questioned in many fields of science and technology. (springer.com)
We also discuss the case of absorbing particles and report the experimental results for water suspensions of black carbon for both the forward and 90° scattering properties. (springer.com)
Mechanical properties were also investigated for these nanocomposites. (scialert.net)
The nanocomposites showed increasing mechanical properties and thermal stability. (scialert.net)
These nanocomposites offer potential for diversification and application of biopolymer due to their good properties such as improved thermal and mechanical properties. (scialert.net)
However, the large variety of possible assemblies between different kind of polymers and particles makes difficult to dispose of a general trend to describe the correlations between the local structure of the materials and their macroscopic properties. (cea.fr)

The creation of millimeter wave, 3D-printable dielectric nanocomposite is demonstrated. (mit.edu)

Nano- and microplastic particles (NMPPs) can be formed through environmental and mechanical degradation (the top-down mechanism). (cdc.gov)

One more advantage of this nanocomposite is that it is biodegradable, i.e., it can be degraded by the enzymes present in the body making it suitable for the treatment of cancer. (springer.com)

The nanocomposite powders of both copper and alumina were thoroughly mixed, cold pressed into briquettes and sintered at 850℃ in hydrogen atmosphere. (scirp.org)
SEM and EDS showed that the alumina particles were uniformly dispersed within the copper crystallite matrix. (scirp.org)
D. W. Lee and B. K. Kim, "Nanocomposite Powders for New Contact Materials Based on Copper And Alumina," Materials Letters, Vol. 58, No. 3-4, 2004, pp. 378-383. (scirp.org)

Moreover, the textured nanocomposite exhibited a better tensile, tear, shear and peel-off strength than pure PDMS and UNC. (aps.org)

Research progress of novel functionalized nanocomposites for environmental applications in focus (quantum dot, graphene, etc. (hindawi.com)

Polymeric nanocomposites (PNCs) are considered for numerous nanotechnology such as: nano-biotechnology, nano-systems, nanoelectronics, and nano-structured materials. (uni-weimar.de)

We obtain a broad range of various morphologies from individual particles, to compact aggregates, oriented chains of particles to hierarchical networks described quantitatively by Small Angle X-ray Scattering (SAXS) and microscopy (TEM) at the different length scales (particle and aggregate shapes, sizes and inter-object correlations). (cea.fr)

Workers in the facilities hosting plastic processers and printers could be exposed to airborne nano- and microplastic particles. (cdc.gov)

F. Shehata, M. Abdelhameed, A. Fathy and M. Elmahdy, "Preparation and Characteristics of Cu-Al 2 O 3 Nanocomposite," Open Journal of Metal , Vol. 1 No. 2, 2011, pp. 25-33. (scirp.org)

Specifically, the Mg-SiC nanocomposite with 10% submicron-scale SiC content (M10Sµ) exhibits superior compressibility, higher relative density, increased element volume (EVOL), and more consistent density distribution compared to the composite containing 10% nanoscale SiC (M10Sn) following CIP simulation. (tu-berlin.de)
During the last decades, the use of functionalized nanocomposites with nanoscale precision represents one of the most important bottom-up approaches for nanotechnology and has become a major issue in the field of environmental chemistry. (hindawi.com)
A dense cluster composed of multiple smaller nanoscale particles collected in a workplace using multiple 3D printers with plastic filament (Courtesy of A. Knepp, NIOSH). (cdc.gov)
Small particles of plastics are often referred to as microplastics (plastic particles smaller than 5 mm [1]) and nanoplastics (the nanoscale fraction of plastic particles). (cdc.gov)
These adverse health effects were associated with the presence of nanoscale particles comprised of decomposition products, including polymers, in the fumes, which can reach deep into the lung and access the pulmonary interstitium [12]. (cdc.gov)
For example, the NIOSH Nanotechnology Center demonstrated that existing exposure mitigation techniques such as local exhaust ventilation and High Efficiency Particulate Air filters effectively reduce concentration of airborne particles including those in the nanoscale [13]. (cdc.gov)

Nanotechnology is defined as any technology that contains particles with one dimension under 100 nanometers in length. (wikipedia.org)

Stiffness degradation behavior of a polymer nanocomposite under constant amplitude fatigue loads. (nal.res.in)

16.7 or 41.7 microg), virgin polypropylene (VPP) NC machining dust, and 1% Cloisite 93A PP NC dust (50 or 150 microg) particles. (cdc.gov)

Chitosan-silver (CS-Ag) nanocomposite materials were synthesized by a simple chemical method. (springer.com)
CS-Ag nanocomposite is one of the rare composite materials that is seen to possess a capability of being used as a biosensor as well as in the treatment of cancer as the chitosan present in the nanocomposite is very specific to the cancer cells. (springer.com)
nanosilver-based inks, pastes and adhesives, and nanocomposite materials. (nanomarkets.net)
These nanocomposite materials were used to print a simple resonator device with predictable pass-band features. (mit.edu)
XRD results indicated that the materials formed intercalated nanocomposites. (scialert.net)
Nanocomposite materials have raised a great interest over the last twenty years. (cea.fr)

Note the symmetrical spherical particle design in this composite resin (Estelite Sigma. (dentistrytoday.com)
The self-adhering composite provided higher bond strength on both cut enamel and nanocomposite. (bvsalud.org)

The chemical functionalization and self-assemblies of nanocomposites and subsequent environmental applications of well-defined micro-/nanostructures have multiple important impacts upon various areas. (hindawi.com)

The intracellular uptake into PC-3 cells was examined by labeling the nanocomposites with DiR, a non-exchangeable fluorescent membrane probe. (confex.com)
Imaging data using an IVIS Lumina indicate that the nanocomposites can be tracked in vivo using a fluorescent membrane probe. (confex.com)

In vitro studies indicate that the nanocomposites are non-toxic up to millimolar concentrations and intracellular uptake of the nanocomposites was confirmed by scanning confocal microscopy using the DiR label. (confex.com)

The SiC particle size impact on the compressibility and density distribution of milled Mg-SiC nanocomposites is studied through the elastoplastic Modified Drucker-Prager Cap (MDPC) model and finite element method (FEM) simulations. (tu-berlin.de)
The relative density and volume reduction outcomes are in qualitative alignment with experimental findings, emphasizing the significance of particle size in optimizing nanocomposite characteristics. (tu-berlin.de)
In those five decades, NIOSH helped with establishing methods to characterize aerosols including particle size and shape distribution, concentration, and chemical composition and to minimize exposure to them. (cdc.gov)
The results show that SEM of An-AgNps has average particle size from 70 to 130nm. (bvsalud.org)

This study focuses on fabricating Mg-SiC nanocomposites with a high-volume fraction of SiC particles (10 vol.%) using cold isostatic pressing (CIP). (tu-berlin.de)

We examined the in vitro cytotoxicity of both the AuNP and the nanocomposites using mitochondrial enzymatic (MTT) and total protein (SRB) assays, which were used to analyze the potential growth inhibition in human prostate carcinoma (PC-3) cells. (confex.com)
Nanoencapsulated microcrystalline particles for superamplified biochemical assays. (mpg.de)

this applies especially to particle sizes close to the radiation wavelength (Nousiainen et al. (springer.com)

Polymer nanocomposites have been extensively researched for a variety of applications, including medical osteoregenerative implants. (mdpi.com)

At present, a need exists to evaluate how repeated inhalation exposure to ONCs and machining dust particles released from nanoclay-enabled NCs impacts pulmonary inflammation responses. (cdc.gov)

Inflammation could be compounded by adverse biological response to chemicals and metals also in the particles (the "Trojan horse" mechanism). (cdc.gov)

The importance of a refined description of the particle composition and structure, going beyond mean-field approximations, is generally recognized. (springer.com)

Strain hardening and strain rate parameters "n" and "m" have shown positive values that improved the total strain and they can be used to predict formability of the nanocomposite. (scirp.org)

This study is focused on polyester-clay nanocomposites. (aiche.org)
Eighteen samples (5 mm wide, 15 mm length and 2 mm thick) of bovine teeth and six samples (blocks) of one nanocomposite were used in this study. (bvsalud.org)

This is the first work that implements an optimized core-shell architecture for such sensor particles. (nanowerk.com)

Collected BAL fluid showed transient infiltrates of neutrophils, eosinophils, B cells, CD4+ T cells, and CD8+ T cells dose-dependently in particle-exposed mice. (cdc.gov)
Tumor and tissue biodistribution in vivo was performed in athymic NCR mice using a human xenograft model by labeling the nanocomposites with DiR and dosing via tail vein injection, followed by imaging 48 hours post-treatment. (confex.com)

After applying the nanocomposites to a prototype heat sink, a noticeable reduction in common mode noise was observed with just a relatively small amount of nanomaterial. (aps.org)

P. K. Jena, E. A. Brocchi and M. S. Motta, "Identification of a Third Phase in Cu-Al2O3 Nanocomposites Prepared by Chemical Routes," Material Science Engineering A, Vol. 371, No. 1-2, 2004, pp. 72-78. (scirp.org)
Material and methods: Eighteen samples (5 mm wide, 15 mm length and 2 mm thick) of bovine teeth - uncut enamel/UE, cut enamel/CE, median dentin/MD (6 samples each) - and blocks (also 6 samples) of the nanocomposite/NC Filtek Z350 XT (3M ESPE) were used, and samples of each substrate were divided into two groups (n = 3). (bvsalud.org)

In this work, CS-Ag nanocomposite was synthesized by the chemical method with 20 wt% Ag. (springer.com)
Future work will focus on the conjugation of targeting moieties to the nanocomposites as well as the stable, acid-labile linkage of chemotherapeutic drugs to the AuNP in order to achieve controlled release of the drugs at the tumor site for more effective therapy. (confex.com)

This arrangement of silicon particles allows solar energy to be reabsorbed by many different particles, exciting electrons and resulting in much of the energy being converted to heat. (wikipedia.org)

Anatomy1

Organisms1

Chemicals and Drugs33

Analytical, Diagnostic and Therapeutic Techniques and Equipment12

Phenomena and Processes4

Disciplines and Occupations1

Technology, Industry, Agriculture21

Nanoparticles8

Synthesis6

Reinforcement9

Dispersion5

Viscoelastic1

Characterization2

Single particle2

Spectroscopy3

Fracture toughness3

Morphology2

Nanomaterials3

Polymer-particle2

Colloidal3

Properties15

Dielectric1

Mechanical1

Biodegradable1

Alumina3

Tensile1

Graphene1

Polymeric1

Individual particles1

Nano1

Preparation1

Nanoscale6

Nanotechnology1

Behavior1

Polypropylene1

Materials6

Composite2

Assemblies1

Fluorescent2

Microscopy1

Size4

Focuses1

Assays2

Wavelength1

Applications1

Dust1

Mechanism1

Composition1

Predict1

Study2

Core-shell1

Mice2

Reduction1

Material2

Work2

Energy1