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Jiunn-Woei Liaw et al.
Journal of nanoscience and nanotechnology, 13(10), 6627-6634 (2013-11-20)
The longitudinal plasmon modes of an elongated Ag nanorod induced by an obliquely incident plane wave were analyzed theoretically. Our results show that the proximities at the two apexes of the nanorod are the hotspots at the dipole (m =
Yanru Bu et al.
Journal of nanoscience and nanotechnology, 13(9), 5992-5996 (2013-11-12)
Silver nanoparticles (Ag NPs) prepared by the citrate reduction method were examined as surface-enhanced Raman scattering (SERS) substrates in the detection of dopamine (DA) molecules at different hydrogen ion concentrations. The aggregation of Ag NPs was influenced by the crosslinking
A V Zagainova et al.
Gigiena i sanitariia, (1)(1), 76-80 (2013-06-29)
Promising application of nanoparticles and nanomaterials is the creation of sanitary hygienic means of new generation used for disinfection of water and indoor surfaces of mass use, furniture, sanitary technical equipment by virtue of modifying traditional materials to bring them
Hongyan Zhao et al.
Journal of nanoscience and nanotechnology, 14(6), 4357-4362 (2014-04-18)
The influence of 12 nm spherical silver nanoparticles (AgNPs) and 20 nm spherical gold nanoparticles (AuNPs) on the luminescence of europium complex Eu(TTFA)3 were studied. When 350 nm is chosen as the incident light, the maximum enhancement factor of the
Amin Majdalawieh et al.
Journal of nanoscience and nanotechnology, 14(7), 4757-4780 (2014-04-25)
In the last decade, gold and silver nanomaterials have received considerable attention due to their attractive electronic and chemical properties and their potential applications in the development of new technologies. Recent advances in the study of various gold and silver
Svitlana Chernousova et al.
Angewandte Chemie (International ed. in English), 52(6), 1636-1653 (2012-12-21)
The antibacterial action of silver is utilized in numerous consumer products and medical devices. Metallic silver, silver salts, and also silver nanoparticles are used for this purpose. The state of research on the effect of silver on bacteria, cells, and
Elżbieta Ziemińska et al.
Toxicology, 315, 38-48 (2013-12-03)
Nanoparticles are known to enter the vertebrate brain, but little is known about their neurotoxicity. The aim of this study is to investigate mechanisms of the contribution of AgNPs to neuronal cell death using primary cultures of rat cerebellar granule
Haifeng Qian et al.
Journal of environmental sciences (China), 25(9), 1947-1955 (2014-02-14)
Silver nanoparticles (AgNPs) are one of the most widely used nanomaterials, but the mechanism of AgNP toxicity in terrestrial plants is still unclear. We compared the toxic effects of AgNPs and Ag+ on Arabidopsis thaliana at the physiological, ultrastructural and
Nanobio silver: its interactions with peptides and bacteria, and its uses in medicine.
Sonja Eckhardt et al.
Chemical reviews, 113(7), 4708-4754 (2013-03-16)
Ana López-Serrano Oliver et al.
Environmental pollution (Barking, Essex : 1987), 189, 87-91 (2014-03-20)
Silver nanoparticles (AgNPs) are widely used in many applications and likely released into the aquatic environment. There is increasing evidence that Ag is efficiently delivered to aquatic organisms from AgNPs after aqueous and dietary exposures. Accumulation of AgNPs through the
Swapna A Gudipaty et al.
Biochimica et biophysica acta, 1844(9), 1656-1661 (2014-06-21)
The Cus system of Escherichia coli aids in protection of cells from high concentrations of Ag(I) and Cu(I). The histidine kinase CusS of the CusRS two-component system functions as a Ag(I)/Cu(I)-responsive sensor kinase and is essential for induction of the
Swarup Roy et al.
Journal of nanoscience and nanotechnology, 14(7), 4899-4905 (2014-04-25)
Binding interaction of biologically synthesized silver nanoparticles with bovine serum albumin (BSA) has been investigated by UV-Vis and fluorescence spectroscopic techniques. UV-Vis analysis implies the formation of the ground state complex between BSA and silver nanoparticles. The analysis of fluorescence
John C Trefry et al.
Journal of biomedical nanotechnology, 9(9), 1624-1635 (2013-08-29)
Silver nanoparticles have been shown to inhibit viruses. However, very little is known about the mechanism of antiviral activity. This study tested the hypothesis that 25-nm silver nanoparticles inhibited Vaccinia virus replication by preventing viral entry. Plaque reduction, confocal microscopy
M Yazdimamaghani et al.
Journal of biomedical nanotechnology, 10(6), 911-931 (2014-04-23)
A new composition of gelatin/bioactive-glass/silver nanoparticle was synthesized and employed to prepare antibacterial macroporous scaffolds with potential applications in bone tissue engineering. A set of macroporous nanocomposite scaffolds were developed from an aqueous solution of gelatin by freeze-drying and crosslinking
Ii-Ho Kim et al.
Journal of nanoscience and nanotechnology, 13(5), 3660-3664 (2013-07-19)
Ag-dispersed Bi0.5Sb1.5Te3 was prepared successfully by silver acetate (AgOAc) decomposition and hot pressing. The Ag nanoparticles were well-dispersed in the Bi0.5Sb1.5Te3 matrix, and acted as phonon scattering centers effectively. The electrical conductivity increased systematically with increasing amount of Ag nanoparticle
Takuya Nishioka et al.
Ultrasonics, 57, 84-89 (2014-12-04)
A thermophone is a thermoacoustic transducer, which generates sound via time-varying Joule heating of an electrically conductive layer, which leads to expansion and contraction of a small pocket of air near the surface of the film. In this work, a
Xiaoqin Nie et al.
Journal of environmental sciences (China), 25(3), 473-478 (2013-08-08)
The feasibility of the rapid degradation of hexachlorobenzene (HCB) by micron-size silver (Ag)/iron (Fe) particles was investigated. Ag/Fe particles with different ratios (0, 0.05%, 0.09%, 0.20%, and 0.45%) were prepared by electroless silver plating on 300 mesh Fe powder, and
Min Sun Park et al.
Journal of nanoscience and nanotechnology, 13(11), 7264-7270 (2013-11-20)
Nanoparticles (NPs) are being employed for various industrial purposes with increasing frequency, yet the adverse health effects associated with the prolonged exposure of humans and the environment to NPs has not been well-established. Particularly, the effects of the extrinsic (or
S R Mueller-Spitz et al.
Letters in applied microbiology, 58(4), 330-337 (2013-11-30)
Polycyclic aromatic hydrocarbons (PAH) are a common environmental contaminant originating from both anthropogenic and natural sources. Mycobacterium species are highly adapted to utilizing a variety of PAH. Silver nanoparticles (AgNP) are an emerging contaminant that possess bactericidal properties, interferes with
Elizabeth I Maurer et al.
Nanotoxicology, 8(7), 718-727 (2013-07-16)
In the field of toxicology of nanomaterials, scientists have not clearly determined if the observed toxicological events are due to the nanoparticles (NPs) themselves or the dissolution of ions released into the biophysiological environment or both phenomenon participate in combination
M Baalousha et al.
The Science of the total environment, 502, 344-353 (2014-09-30)
Silver nanoparticles (Ag NPs) are susceptible to transformations in environmental and biological media such as aggregation, oxidation, dissolution, chlorination, sulfidation, formation/replacement of surface coatings following interaction with natural organic matter (NOM). This paper investigates the impact of surface coating and
Junpeng Shi et al.
Toxicology letters, 229(1), 17-24 (2014-06-10)
Humans face the risk of exposure to silver nanoparticles (AgNPs) due to their extensive application in consumer products. AgNPs can interact with many substances in the human body due to their chemically unstable nature and high activity properties, which might
Tae-Hun Kim et al.
Journal of nanoscience and nanotechnology, 13(9), 5966-5975 (2013-11-12)
The ophthalmic materials must satisfy the optical requirements, physical and chemical stability and fulfill biological requirements, such as biocompatibility to be used in hydrogel ophthalmic lenses. Polymeric materials for hydrogel lenses were prepared by the copolymerization of HEMA, NVP, MMA
Susanne Sütterlin et al.
Applied and environmental microbiology, 80(22), 6863-6869 (2014-08-17)
Members of the Enterobacteriaceae with extended-spectrum beta-lactamases (ESBLs) of the CTX-M type have disseminated rapidly in recent years and have become a threat to public health. In parallel with the CTX-M type expansion, the consumption and widespread use of silver-containing
Xi Wang et al.
Water science and technology : a journal of the International Association on Water Pollution Research, 67(12), 2845-2849 (2013-06-22)
A novel visible light-driven photocatalyst film, MoS₂/Ag/TiO₂, was synthesized on a glass-fiber membrane. The composite catalyst film had a multi-layer structure with Ag as nanoconjunctions between the MoS₂ and TiO₂ layers. The catalyst film performed well for both photocatalytic hydrogen
Cheng-Kuan Su et al.
Toxicology letters, 227(2), 84-90 (2014-04-08)
With the increasing prevalence of silver nanoparticles (AgNPs) in various products, whether such AgNPs will introduce new injury mechanisms from new pathologies remains to be determined. From the toxicokinetic viewpoint, it is vital to have in-depth knowledge of their in
Byungpyo Hong et al.
Journal of nanoscience and nanotechnology, 13(9), 6269-6274 (2013-11-12)
Polyvinylidene fluoride (PVdF) (Kynar 761) nanofibers were prepared by electrospinning at an external voltage of 6-10 kV, a traveling distance of 7-15 cm and flow rate of 0.4-1 ml/hr. Although the diameter of the fiber was not significantly changed, the
Cherrie M Whiteley et al.
Environmental science. Processes & impacts, 15(11), 2050-2058 (2013-09-24)
There are significant challenges in assessing the fate and exposure of nanoparticles (NPs) in the environment owing to the lack of information on their use, potential pathways and sinks in the environment. In order to better understand the environmental exposure
Matthew C Stensberg et al.
Nanotoxicology, 8(8), 833-842 (2013-08-10)
Silver nanoparticles (Ag NPs) are gaining popularity as bactericidal agents in commercial products; however, the mechanisms of toxicity (MOT) of Ag NPs to other organisms are not fully understood. It is the goal of this research to determine differences in
Yugang Sun
Nanoscale, 2(9), 1626-1642 (2010-09-08)
This feature article reviews the synthesis and application of silver nanowires with the focus on a polyol process that is capable of producing high quality silver nanowires with high yield. The as-synthesized silver nanowires can be used as both physical
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