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D E Terry et al.
Analytical biochemistry, 285(2), 211-219 (2000-10-06)
Alcian blue and toluidine blue dyes form complexes with anionic glycoconjugates (AG) such as proteoglycans (PG) and glycosaminoglycans (GAG). However, the Alcian blue-AG complexes do not readily dissociate, while the toluidine blue-AG complexes do so in salt solutions. This differential
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
R M Gengan et al.
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.
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
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
Wafi Attaallah et al.
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
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
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
Steven Duffin
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
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
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
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
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
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
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
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
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
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
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
Alain Tremblay et al.
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
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
Si Chen et al.
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
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
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
Joshua S Speed et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 29(12), 4937-4944 (2015-08-14)
The current study was designed to determine whether vascular endothelial-derived endothelin-1 (ET-1) is important for skin Na(+) buffering. In control mice (C57BL/6J), plasma Na(+) and osmolarity were significantly elevated in animals on high- vs. low-salt (HS and LS, respectively) intake.
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.
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