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31630
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Showing 1-30 of 107 results for "31630" within Papers
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
Diseases of the colon and rectum, 57(7), 882-887 (2014-06-06)
Surgery is currently the sole treatment modality for anal fistulas. However, surgery is associated with complications such as permanent incontinence, which reduces quality of life. To determine the rate of complete clinical healing of anal fistulas after irrigation of the
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
Experimental lung research, 38(9-10), 475-482 (2012-10-12)
Repeated administration of low-dose silver nitrate (SN) has been shown to be effective in creating pleurodesis. This study aimed to determine the effectiveness of a SN-eluting pleural catheter for pleurodesis. Catheters with a chitosan-SN-hyaluronic acid hydrogel coating designed to release
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
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
Colloids and surfaces. B, Biointerfaces, 105, 87-91 (2013-01-29)
Stable AgNPs were formed in vitro by reacting AgNO3 (aq) solution with the aqueous plant leaf extract. UV-vis revealed the surface plasmon resonance λmax at 448 nm and the absorbance steadily increased in intensity as a function of reaction time.
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
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
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
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
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
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
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
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
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
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
Journal of the California Dental Association, 40(11), 852-858 (2012-12-29)
Based on the literature, a protocol was developed involving the application of 25 percent silver nitrate directly to cavitated caries lesions, immediately followed by 5 percent sodium fluoride varnish. This protocol results in arrest of active caries lesions. This minimally
Journal of the American Chemical Society, 112, 1897-1897 (1990)
Journal of the American Chemical Society, 109, 2759-2759 (1987)
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
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
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
Environmental toxicology and chemistry, 32(9), 2069-2077 (2013-05-21)
As the production and applications of silver nanoparticles (AgNPs) increase, it is essential to characterize fate and effects in environmental systems. Nanosilver materials may settle from suspension; therefore, the authors' objective was to utilize environmentally relevant bioassays and study the
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
ACS applied materials & interfaces, 7(44), 24510-24522 (2015-10-20)
Magnesium metal as degradable metallic material is one of the most researched areas, but its rapid degradation rate restricts its development. The current anticorrosion surface modification methods require expensive equipment and complicated operation processes and cannot continue to introduce biofunction
Analytical biochemistry, 372(2), 213-221 (2007-10-30)
A method to determine 18 O kinetic isotope effects (KIEs) in the hydrolysis of GTP that is generally applicable to reactions involving other nucleotide triphosphates is described. Internal competition, where the substrate of the reaction is a mixture of 18
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
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
Clinical and experimental medicine, 15(4), 439-446 (2014-09-26)
Systemic lupus erythematosus (SLE) is the prototype autoimmune rheumatic disease. The etiology of this disease is incompletely understood; however, environmental factors and genetic predisposition are involved. Cytokine-mediated immunity plays a crucial role in the pathogenesis of SLE. We investigate the
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