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Showing 1-30 of 139 results for "85193" within Papers
N Cruz et al.
Chemosphere, 135, 304-311 (2015-05-13)
To assess if the geochemical reactivity and human bioaccessibility of silver nanoparticles (AgNPs) in soils can be determined by routine soil tests commonly applied to other metals in soil, colloidal Ag was introduced to five pots containing urban soils (equivalent
Dennis B Pacardo et al.
Nanoscale, 7(28), 12096-12103 (2015-07-01)
A multifunctional gold nanorod (AuNR) complex is described with potential utility for theranostic anticancer treatment. The AuNR was functionalized with cyclodextrin for encapsulation of doxorubicin, with folic acid for targeting, and with a photo-responsive dextran-azo compound for intracellular controlled drug
Mohammad Kamruzzaman et al.
Biomedical microdevices, 15(1), 195-202 (2012-10-12)
A rapid and sensitive chemiluminescence (CL) system coupled with a microfluidic chip has been presented to determine vitamin B12 (VB12) based on the reaction of luminol and silver nitrate (AgNO(3)) in the presence of gold nanoparticles (AuNPs). A microfluidic chip
Sandra Teresa Orta-García et al.
Journal of applied toxicology : JAT, 35(10), 1189-1199 (2015-08-19)
The antimicrobial properties of silver nanoparticles (AgNPs) have made these particles one of the most used nanomaterials in consumer products. Therefore, an understanding of the interactions (unwanted toxicity) between nanoparticles and human cells is of significant interest. The aim of
Hames BD
Gel Electrophoresis of Proteins: A Practical Approach (1998)
Cornelia M Völkle et al.
Faraday discussions, 179, 59-77 (2015-04-15)
Nucleation and growth of silver nanoparticles has already been investigated with various experimental and computational tools. However, owing to inherent problems associated with the analytical characterization of nucleation processes, there is a general lack of experimental data regarding the earliest
Jinbo Zhu et al.
Nanoscale, 7(31), 13224-13229 (2015-07-18)
Guanine proximity based fluorescence enhanced DNA-templated silver nanoclusters (AgNCs) have been reported and applied for bioanalysis. Herein, we studied the G-quadruplex enhanced fluorescence of DNA-AgNCs and gained several significant conclusions, which will be helpful for the design of future probes.
E V Sabaneeva
Tsitologiia, 31(1), 5-14 (1989-01-01)
The technique of silver staining of the active nucleolar organizer regions is discussed. The specificity of the technique, the mechanism of the reaction, the nature and possible functions of argyrophilic protein(s) are considered. Special attention is paid to the fact
Patrycja Bober et al.
Biomacromolecules, 15(10), 3655-3663 (2014-08-28)
In this work, flexible and free-standing composite films of nanofibrillated cellulose/polypyrrole (NFC/PPy) and NFC/PPy-silver nanoparticles (NFC/PPy-Ag) have been synthesized for the first time via in situ one-step chemical polymerization and applied in potential biomedical applications. Incorporation of NFC into PPy
Shin-Ae Park et al.
Scientific reports, 5, 13552-13552 (2015-08-28)
Ag is considered to be one of the best candidates for oxygen reduction reaction electrocatalysts in alkaline media for application in various electrochemical energy devices. In this study, we demonstrate that water activation is a key factor in enhancing the
Gownolla Malegowd Raghavendra et al.
Carbohydrate polymers, 93(2), 553-560 (2013-03-19)
Natural carbohydrates (polysaccharides): gum acacia (GA) and gaur gum (GG) were employed in dilute solutions: 0.3%, 0.5% and 0.7% (w/v), as effective reductants for the green synthesis of silver nanoparticles (AgNPs) from AgNO3. The formed AgNPs were impregnated into cellulose
Hong-Bo Pang et al.
Nature communications, 5, 4904-4904 (2014-10-04)
Neuropilins (NRPs) are trans-membrane receptors involved in axon guidance and vascular development. Many growth factors and other signalling molecules bind to NRPs through a carboxy (C)-terminal, basic sequence motif (C-end Rule or CendR motif). Peptides with this motif (CendR peptides)
G Schneider
Canadian Medical Association journal, 131(3), 193-196 (1984-08-01)
In many countries the statutory use of silver nitrate prophylaxis as soon as possible after birth has recently been reviewed from both a human rights and a medical standpoint. It has been argued that silver nitrate does not prevent all
Masato Miyakawa et al.
Nanoscale, 6(15), 8720-8725 (2014-06-21)
Continuous synthesis of Pd@Pt and Cu@Ag core-shell nanoparticles was performed using flow processes including microwave-assisted Pd (or Cu) core-nanoparticle formation followed by galvanic displacement with a Pt (or Ag) shell. The core-shell structure and the nanoparticle size were confirmed using
Ana Querejeta-Fernández et al.
ACS nano, 9(10), 10377-10385 (2015-09-05)
In the search for induced chiral plasmonic activity, cholesteric films formed by cellulose nanocrystals have attracted great interest as potential hosts for plasmonic nanoparticles. Circular dichroism (CD) spectra of the composite films exhibit two peaks, one of which is ascribed
Brigesh Shahare et al.
Toxicology mechanisms and methods, 23(3), 161-167 (2013-01-11)
As the use of silver nanoparticles (AgNPs) is increasing fast in industry, food, medicines, etc., exposure to AgNPs is increasing in quantity day by day. So, it is imperative to know the adverse effects of AgNPs in man. In this
Li Liu et al.
Scientific reports, 5, 10881-10881 (2015-06-04)
Platinum (Pt) drugs are the most potent and commonly used anti-cancer chemotherapeutics. Nanoformulation of Pt drugs has the potential to improve the delivery to tumors and reduce toxic side effects. A major challenge for translating nanodrugs to clinical settings is
Anjuliee M Mittelman et al.
Environmental science & technology, 49(14), 8515-8522 (2015-06-13)
Application of silver nanoparticles (nAg) or silver nitrate (AgNO3) has been shown to improve the microbiological efficacy of ceramic water filters used for household water treatment. Silver release, however, can lead to undesirable health effects and reduced filter effectiveness over
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
Lung-Shuo Wang et al.
International journal of nanomedicine, 10, 2685-2696 (2015-04-17)
Silver nanoparticles have been used in various fields, and several synthesis processes have been developed. The stability and dispersion of the synthesized nanoparticles is vital. The present article describes a novel approach for one-step synthesis of silver nanoparticles-embedded chitosan particles.
Xiang Deng et al.
Analytical and bioanalytical chemistry, 407(16), 4607-4613 (2015-04-22)
Nitroaromatic compounds, for example trinitrotoluene and 2,4,6-trinitrophenol (TNP), are well-known primary constituents of many unexploded landmines worldwide. These compounds are recognized as environmental contaminants and as toxic to living organisms. Therefore, Förster resonance energy transfer (FRET) for TNP detection was
Ramesh Subbiah et al.
International journal of nanomedicine, 10 Spec Iss, 191-201 (2015-09-09)
In order for nanoparticles (NPs) to be applied in the biomedical field, a thorough investigation of their interactions with biological systems is required. Although this is a growing area of research, there is a paucity of comprehensive data in cell-based
Nikunj Mapara et al.
Applied microbiology and biotechnology, 99(24), 10655-10667 (2015-09-13)
Pseudomonas aeruginosa is a leading opportunistic pathogen and its expanding drug resistance is a growing menace to public health. Its ubiquitous nature and multiple resistance mechanisms make it a difficult target for antimicrobial chemotherapy and require a fresh approach for
K Sheehy et al.
Journal of colloid and interface science, 443, 56-64 (2014-12-23)
Metallic nanoparticles such as nano-silver have found many applications as alternative antimicrobials in recent years. However methods for determining their proposed antimicrobial activity have received little attention to date. The disk diffusion assay is commonly used as a demonstration of
F Gagné et al.
Journal of toxicology and environmental health. Part A, 76(8), 479-490 (2013-06-01)
The increasing application of silver nanoparticles (nAg) in various consumer products has raised concerns regarding toxicological impacts in the environment. It is unclear at present whether the toxicity of nAg is mainly the result of the release of ionic Ag(+)
Artak Tovmasyan et al.
Journal of inorganic biochemistry, 140, 94-103 (2014-08-03)
In the present study we have synthesized a novel amphiphilic porphyrin and its Ag(II) complex through modification of water-soluble porphyrinic structure in order to increase its lipophilicity and in turn pharmacological potency. New cationic non-symmetrical meso-substituted porphyrins were characterized by
Bingfang Shi et al.
Talanta, 142, 131-139 (2015-05-25)
Nitrogen doping has been a powerful method to modulate the properties of carbon materials for various applications, and N-doped graphene quantum dots (GQDs) have gained remarkable interest because of their unique chemical, electronic, and optical properties. Herein, we introduce a
Minghuan Wang et al.
Nanoscale, 5(17), 7913-7919 (2013-07-16)
Herein, we report the preparation of poly (cyclotriphosphazene-co-4,4'-sulfonyldiphenol) (PZS) nanotubes decorated with Ag nanoparticles (NPs). The PZS nanotubes have been synthesized firstly via an in situ template approach, and then Ag nanoparticles were prepared via in situ reduction of AgNO3
Kug-Seung Lee et al.
Nanoscale, 7(33), 13860-13867 (2015-07-18)
An Ag-embedded LiMnPO4 (LMP) cathode was synthesized by solid-state reaction using a 1 wt% Ag precursor. Structure, morphology, and electrical conductivity studies of Ag-embedded LMP were performed by high resolution powder X-ray diffraction, high resolution transmission electron microscopy, energy dispersive
Is silver nitrate the best agent for management of umbilical granulomas?
J Daniels
Archives of disease in childhood, 85(5), 432-432 (2002-05-31)
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