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显示 1-30 #N/A 85 条结果 关于 "GF58410716" 范围 论文
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
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
Dawei Guo et al.
Journal of biomedical nanotechnology, 10(4), 669-678 (2014-04-17)
Several studies have suggested that silver nanoparticles (AgNPs) have the potential to treat human cancers, including leukemia. However, the detailed cellular mechanisms for AgNPs to inhibit the growth of leukemic cells and their efficacy on clinical isolates of leukemic patients
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
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
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
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)
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
Florian Mallevre et al.
Environmental pollution (Barking, Essex : 1987), 195, 218-225 (2014-09-28)
Bacteria based ecotoxicology assessment of manufactured nanoparticles is largely restricted to Escherichia coli bioreporters in laboratory media. Here, toxicity effects of model OECD nanoparticles (Ag NM-300K, ZnO NM-110 and TiO2 NM-104) were assessed using the switch-off luminescent Pseudomonas putida BS566::luxCDABE
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
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
Kheyrollah Khosravi Katuli et al.
Ecotoxicology and environmental safety, 106, 173-180 (2014-05-21)
Silver nanoparticles (AgNPs) are the most commonly used metallic nanoparticles in industrial applications, including medical and consumer products. In the recent years, however, concerns regarding their environmental and health impacts have emerged. Aquatic organisms are of special concern since water
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
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
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
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
Alexandros Besinis et al.
Nanotoxicology, 8(7), 745-754 (2013-07-24)
The survival of pathogenic bacteria in the oral cavity depends on their successful adhesion to dental surfaces and their ability to develop into biofilms, known as dental plaque. Bacteria from the dental plaque are responsible for the development of dental
[How effective are silver wound dressings? Wound healing of critically colonized and infected wounds].
Lea Heuckeroth et al.
Pflege Zeitschrift, 66(6), 362-365 (2013-06-27)
Fateme Mirzajani et al.
Ecotoxicology and environmental safety, 108, 335-339 (2014-08-16)
The increasing use of silver nanoparticles, (AgNPs), will inevitably result in their release into the environment and thereby cause the exposure to plants. It was claimed that using AgNPs is a safe and efficient method to preserve and treat agents
Judy M Obliosca et al.
Nanoscale, 5(18), 8443-8461 (2013-07-06)
Fluorescent silver nanoclusters (few atoms, quantum sized) have attracted much attention as promising substitutes for conventional fluorophores. Due to their unique environmental sensitivities, new fluorescent probes have been developed based on silver nanoclusters for the sensitive and specific detection of
A Barkhordari et al.
The international journal of occupational and environmental medicine, 5(3), 164-168 (2014-07-17)
Nanoparticles have become one of the leading technologies over the past two years. The extensive use of nanoparticles has raised great concern about their occupational fate and biological effects. With an increase in the production and use of nanomaterial, it
Davood Hashemabadi
Journal of environmental biology, 35(4), 661-666 (2014-07-10)
The purpose of this study was to evaluate the efficacy of silver nano-particles (SNP) and silver thiosulfate (STS) in extending the vase life of cut carnation (Dianthus caryophyllus L. cv. 'Tempo') flowers. Pulse treatments of SNP @ 0, 5, 10
Hajo Haase et al.
Journal of biomedical nanotechnology, 10(6), 1146-1156 (2014-04-23)
Silver is commonly used as an antibacterial agent, e.g., in various medical applications, and the availability of silver nanoparticles (AgNP) has fueled this development. Their antibacterial properties are well defined, whereas there are concerns regarding unknown and potentially harmful effects
Subin Poulose et al.
Journal of nanoscience and nanotechnology, 14(2), 2038-2049 (2014-04-23)
Metal nanoparticles have unique optical, electronic, and catalytic properties. There exist well-defined physical and chemical processes for their preparation. Those processes often yield small quantities of nanoparticles having undesired morphology, and involve high temperatures for the reaction and the use
Sources, fluxes, and biogeochemical cycling of silver in the oceans.
Céline Gallon et al.
Reviews of environmental contamination and toxicology, 235, 27-48 (2014-11-08)
Tanaya Chatterjee et al.
Biochimica et biophysica acta, 1850(2), 299-306 (2014-12-03)
An alternative to conventional antibiotics is needed to fight against emerging multiple drug resistant pathogenic bacteria. In this endeavor, the effect of silver nanoparticle (Ag-NP) has been studied quantitatively on two common pathogenic bacteria Escherichia coli and Staphylococcus aureus, and
Sisi Liu et al.
Journal of nanoscience and nanotechnology, 14(6), 4608-4614 (2014-04-18)
Position-configurable, reproducible, vertically aligned nanosheets assemblies (ANAs) arrays are fabricated by polymer-templated electrodeposition method at room temperature. Here, nanoimprint lithography is utilized to fabricate polymer template on the fluorine-doped tin oxide substrate for the purpose of evenly tuning the location
Hongjun Liu et al.
Journal of water and health, 12(4), 670-677 (2014-12-05)
Pathogenic bacteria are one of the main reasons for worldwide water-borne disease causing a big threat to public health, hence there is an urgent need to develop cost-effective water treatment technologies. Nano-materials in point-of-use systems have recently attracted considerable research
Merel J C van der Ploeg et al.
Environmental toxicology and chemistry, 33(4), 743-752 (2013-12-10)
The impact of silver nanoparticles (AgNP; at 0 mg Ag/kg, 1.5 mg Ag/kg, 15.4 mg Ag/kg, and 154 mg Ag/kg soil) and silver nitrate (AgNO3 ; 15.4 mg Ag/kg soil) on earthworms, Lumbricus rubellus, was assessed. A 4-wk exposure to
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
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