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Baifeng Jiang et al.
Molecules (Basel, Switzerland), 18(1), 814-831 (2013-01-25)
An efficient approach for the synthesis of biologically interesting fused tetracyclic isoquinolines in high yields and with a broad substrate scope has been developed. The strategy features an AgNO(3) catalyzed 'one-pot' cascade process involving formation of two new C-N bonds
Jolanda Spadavecchia et al.
Angewandte Chemie (International ed. in English), 53(32), 8363-8366 (2014-06-27)
A one-step method is reported to synthesize hybrid gold nanoparticles (AuNPs) by reduction of HAuCl4 in acetic solution in the presence of collagen (Col), dicarboxylic acid-terminated polyethylene glycol (PEG), and cetyltetrammonium bromide (CTAB) mixed with hydoxyapatite (HAP) as surfactants. Such
F S Vargas et al.
Current opinion in pulmonary medicine, 6(4), 281-286 (2000-07-27)
In this review we analyze the evolution of pleurodesis. In spite of the fact that this procedure started in the beginning of the 20th century, the ideal sclerosing agent is not yet known. Emphasis is placed on the current tendency
Elham Moniri et al.
Journal of AOAC International, 98(1), 206-212 (2015-04-11)
A simple ion imprinted amino-functionalized sorbent was synthesized by coupling activated carbon with iminodiacetic acid, a functional compound for metal chelating, through cyanoric chloride spacer. The resulting sorbent has been characterized using FTIR spectroscopy, elemental analysis, and thermogravimetric analysis and
Hamid Hashemi-Moghaddam et al.
Journal of AOAC International, 97(5), 1434-1438 (2015-04-24)
A new molecularly imprinted polymer (MIP) was synthesized using methacrylic acid (functional monomer), ethylene glycol dimethacrylate (crosslinker), 2,2'-azobisisobutironitril (initiator), silver (Ag) dithizone complex (template), and chloroform (porogenic solvent). This process was a noncovalent, bulk, thermal radical-polymerization. To compare the performance
Rudell Screven et al.
Veterinary immunology and immunopathology, 161(1-2), 21-31 (2014-07-17)
Veterinary adult stem cell therapy is an emerging area of basic and clinical research. Like their human counterparts, veterinary mesenchymal stem cells (MSCs) offer many potential therapeutic benefits. The characterization of canine-derived MSCs, however, is poorly defined compared to human
Yuta Arai et al.
Toxicology, 328, 84-92 (2014-12-21)
The health effects of silver nanoparticles (AgNPs) have not been well investigated, despite AgNPs now being widely used in consumer products. We investigated the metabolic behavior and toxicity of AgNPs in comparison to silver nitrate (AgNO3) both in vivo and
Dezhong Yin et al.
Molecular therapy : the journal of the American Society of Gene Therapy, 17(11), 1967-1978 (2009-07-16)
Bone marrow transplantation can provide an effective cell-based strategy to enhance bone repair. However, the fate of implanted cells and the extent of their contribution to bone osteoinduction remain uncertain. To define the fate of bone marrow-derived cells and their
Sreemanti Das et al.
Colloids and surfaces. B, Biointerfaces, 101, 325-336 (2012-09-27)
The capability of crude ethanolic extracts of certain medicinal plants like Phytolacca decandra, Gelsemium sempervirens, Hydrastis canadensis and Thuja occidentalis used as homeopathic mother tinctures in precipitating silver nanoparticles from aqueous solution of silver nitrate has been explored. Nanoparticles thus
Kriti Dubey et al.
Amino acids, 47(12), 2551-2560 (2015-07-22)
Here, we have strategically synthesized stable gold (AuNPs(Tyr), AuNPs(Trp)) and silver (AgNPs(Tyr)) nanoparticles which are surface functionalized with either tyrosine or tryptophan residues and have examined their potential to inhibit amyloid aggregation of insulin. Inhibition of both spontaneous and seed-induced
Giorgia Purcaro et al.
Analytica chimica acta, 773, 97-104 (2013-04-09)
The present work is focused on the development/optimization of a comprehensive two-dimensional gas chromatography method, with dual detection [flame ionization (FID) and mass spectrometric], for the simultaneous identification and quantification of mineral-oil contaminants in a variety of food products. The
Marek Kozicki et al.
Carbohydrate polymers, 91(1), 115-127 (2012-10-10)
In this study, we present facile antimicrobial finishing of cotton textiles. Screen printing was used for surface-finishing of cotton using a printing paste containing silver nitrate. UVC irradiation was applied to convert silver nitrate into a color product, thus also
Ericka Rodríguez-León et al.
Nanoscale research letters, 10, 101-101 (2015-04-18)
We have synthesized silver nanoparticles in the non-polar phase of non-aqueous microemulsions. The nanocrystals have been grown by reducing silver ions in the microemulsion cylindrical micelles formed by the reducing agent (ethylene glycol). By a careful deposit of the microemulsion
Tomislav Hrkac et al.
Materials science & engineering. C, Materials for biological applications, 33(4), 2367-2375 (2013-03-19)
A silver containing coating used in the human body, e.g., on an implant should be both effectively antimicrobial and non-cytotoxic to human cells. It is generally believed that the biologic effect originates from silver ions released from the coating. Nanocomposites
S Khan et al.
The Journal of chemical physics, 143(16), 164709-164709 (2015-11-02)
The spontaneous protein adsorption on nanomaterial surfaces and the formation of a protein corona around nanoparticles are poorly understood physical phenomena, with high biological relevance. The complexity arises mainly due to the poor knowledge of the structural orientation of the
Matthew Lai Ho Chong et al.
The European physical journal. E, Soft matter, 38(11), 119-119 (2015-11-19)
We advance a scheme in which a liquid body on a stationary tip in contact with a rotating superhydrophobic surface is able to maintain resonance primarily from stick-slip events. With tip-to-surface spacing in the range 2.73 ≤ h < 2.45
Alessandro Bertolo et al.
Stem cells translational medicine, 4(1), 84-90 (2014-12-05)
Mesenchymal stem cells (MSCs) are expected to have a fundamental role in future cell-based therapies because of their high proliferative ability, multilineage potential, and immunomodulatory properties. Autologous transplantations have the "elephant in the room" problem of wide donor variability, reflected
Moses M Solomon et al.
Journal of colloid and interface science, 462, 29-41 (2015-10-05)
A novel polypropylene glycol/silver nanoparticles (PPG/AgNPs) composite was prepared in-situ using natural honey as the reducing and capping agent. Characterization of the composite was done by UV-Vis spectroscopy, FTIR, TEM, XRD, and EDS. The TEM results reveal that the nanoparticles
Kim M Newton et al.
Environmental toxicology and chemistry, 32(10), 2356-2364 (2013-06-14)
The most persistent question regarding the toxicity of silver nanoparticles (AgNPs) is whether this toxicity is due to the nanoparticles themselves or the silver ions (Ag(+)) they release. The present study investigates the role of surface coating and the presence
Demosthenes P Morales et al.
Molecular pharmaceutics, 12(2), 600-609 (2014-12-10)
While a host of methods exist to deliver genetic materials or small molecules to cells, very few are available for protein delivery to the cytosol. We describe a modular, light-activated nanocarrier that transports proteins into cells by receptor-mediated endocytosis and
Jasmina Stojkovska et al.
Carbohydrate polymers, 111, 305-314 (2014-07-20)
In this work, we present a comprehensive approach to evaluation of alginate microbeads with included silver nanoparticles (AgNPs) at the concentration range of 0.3-5mM for potential biomedical use by combining cytotoxicity, antibacterial activity, and silver release studies. The microbeads were
Ali Hebeish et al.
Carbohydrate polymers, 92(1), 407-413 (2012-12-12)
Innovative CMC-based hydrogels with great potentials for usage in medical area were principally synthesized as per two strategies .The first involved reaction of epichlorohydrin in alkaline medium containing silver nitrate to yield silver nano-particles (AgNPs)-loaded CMC hydrogel. While CMC acted
Raju Y Prasad et al.
Toxicology in vitro : an international journal published in association with BIBRA, 27(6), 2013-2021 (2013-07-23)
Silver nanoparticles (Ag NP) have been shown to generate reactive oxygen species; however, the association between physicochemical characteristics of nanoparticles and cellular stress responses elicited by exposure has not been elucidated. Here, we examined three key stress-responsive pathways activated by
Pallavee Srivastava et al.
Extremophiles : life under extreme conditions, 17(5), 821-831 (2013-07-26)
Numerous bacteria, fungi, yeasts and viruses have been exploited for biosynthesis of highly structured metal sulfide and metallic nanoparticles. Haloarchaea (salt-loving archaea) of the third domain of life Archaea, on the other hand have not yet been explored for nanoparticle
E A K Nivethaa et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 143, 242-250 (2015-03-04)
Polymer matrix type chitosan-silver nanocomposite containing different weight percentage of silver was synthesized by the chemical method. HRTEM images confirm the embedment of silver in the chitosan matrix. The binding of silver to the NH2 and OH groups of chitosan
V Vinod Kumar et al.
Analytica chimica acta, 842, 57-62 (2014-08-17)
Highly selective label free colorimetric sensor based on AgNPs stabilized by phenolic chelating ligand, N,N'-bis(2-hydroxybenzyl)-1,2-diaminobenzene (1), for NO(2-) anions has been developed. Addition of NO(2-) showed selective decolourisation of brownish yellow colour of 1-AgNPs with the detection limit of 10(-7)M.
Lara Settimio et al.
Environmental pollution (Barking, Essex : 1987), 191, 151-157 (2014-05-20)
The fate and lability of added soluble Ag in soils over time was examined by measurement of labile metal (E-value) by isotopic dilution using the (110m)Ag radioactive isotope and the solid-phase speciation of Ag by X-ray absorption near edge structure
N A Ibrahim et al.
Carbohydrate polymers, 94(1), 612-618 (2013-04-03)
This study was devoted to enhancing the antibacterial functionality of pigment printed cotton, linen and viscose fabrics. Ag-NP's/PVP colloid, triclosan derivatives, chitosan or choline chloride was successfully incorporated into the pigment paste followed by printing and microwave curing to impart
Karsten Schlich et al.
Environmental toxicology and chemistry, 32(1), 181-188 (2012-10-13)
The widespread use of silver nanoparticles (Ag-NPs), for example, in textiles and cleaning products, means that they are likely to reach the environment via biosolids or the effluent from wastewater treatment plants. The aim of the present study was to
Esben Lynge Nordentoft et al.
Ugeskrift for laeger, 175(22), 1559-1561 (2013-06-01)
Viral warts are common skin lesions caused by human papilloma virus. This article describes the pathogenesis, symptoms and treatment methods of cutaneous warts. The majority resolves spontaneously and the evidence on treatment of warts is rather poor, however, products with
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