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Showing 31-60 of 86 results for "GF38027998" within Papers
John C Wataha et al.
Expert review of medical devices, 10(4), 519-539 (2013-07-31)
The use of nickel casting alloys for long-term restorations in dentistry has long been controversial. A 'tug-of-war' between economic, engineering and biological considerations is central to this controversy; nickel-casting alloys have low costs and favorable physical properties, but are corrosion-prone
Jodi L Boer et al.
Archives of biochemistry and biophysics, 544, 142-152 (2013-09-17)
This review describes the functions, structures, and mechanisms of nine nickel-containing enzymes: glyoxalase I, acireductone dioxygenase, urease, superoxide dismutase, [NiFe]-hydrogenase, carbon monoxide dehydrogenase, acetyl-coenzyme A synthase/decarbonylase, methyl-coenzyme M reductase, and lactate racemase. These enzymes catalyze their various chemistries by using
George Psomas et al.
Dalton transactions (Cambridge, England : 2003), 42(18), 6252-6276 (2013-03-27)
The structural features of copper(II), nickel(II), cobalt(II) and zinc(II) complexes with the antimicrobial drugs quinolones and non-steroidal anti-inflammatory drugs (NSAIDs) as ligands are discussed. The binding properties of these complexes to biomolecules (calf-thymus DNA, bovine or human serum albumin) are
Barbara Zambelli et al.
Metal ions in life sciences, 13, 321-357 (2014-01-29)
This review focuses on the impact of nickel on human health. In particular, the dual nature of nickel as an essential as well as toxic element in nature is described, and the main forms of nickel that can come in
Matej Adámik et al.
Biochemical and biophysical research communications, 456(1), 29-34 (2014-12-03)
Site-specific DNA recognition and binding activity belong to common attributes of all three members of tumor suppressor p53 family proteins: p53, p63 and p73. It was previously shown that heavy metals can affect p53 conformation, sequence-specific binding and suppress p53
R H Lowndes et al.
Journal of microscopy, 142(Pt 3), 371-374 (1986-06-01)
A light microscope heating stage suitable for biological temperatures is described. A novel feature of the design is the use of cupro-nickel foil heaters (0.1 mm thick). With a temperature sensor mounted on the slide clip and a temperature controller
Hao Yuan et al.
Journal of oral and maxillofacial surgery : official journal of the American Association of Oral and Maxillofacial Surgeons, 72(4), 764-772 (2014-03-19)
In surgery-first accelerated orthognathic surgery, the clinical phenomenon of accelerated orthodontic tooth movement after osteotomy is a benefit compared with the conventional approach. However, because much of the literature on this phenomenon is based on empirical evidence and case reports
Renaud Persoons et al.
Toxicology letters, 231(2), 135-141 (2014-09-17)
Welding fumes contain various toxic metals including chromium (Cr), nickel (Ni) and manganese (Mn). An assessment of the risk to health of local and systemic exposure to welding fumes requires the assessment of both external and internal doses. The aims
Hilde de Reuse et al.
Frontiers in cellular and infection microbiology, 3, 94-94 (2013-12-25)
Nickel is a virulence determinant for the human gastric pathogen Helicobacter pylori. Indeed, H. pylori possesses two nickel-enzymes that are essential for in vivo colonization, [NiFe] hydrogenase and urease, an abundant virulence factor that contains 24 nickel ions per active
Crystal Cox et al.
American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics, 145(4), 505-513 (2014-04-08)
Nickel-titanium closed-coil springs are purported to deliver constant forces over extended ranges of activation and working times. In-vivo studies supporting this claim are limited. The objective of this study was to evaluate changes in force-decay properties of nickel-titanium closed-coil springs
Goldie Songra et al.
American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics, 145(5), 569-578 (2014-05-03)
The aim of this study was to compare the time to initial alignment and extraction space closure using conventional brackets and active and passive self-ligating brackets. One hundred adolescent patients 11 to 18 years of age undergoing maxillary and mandibular
W K Winnett et al.
Talanta, 41(10), 1627-1630 (1994-10-01)
A modification of the sample introduction system for combustion total organic carbon analyzers is presented where sample is sprayed into the instrument. Thermally created sprays and nebulizer sprays are discussed. It is shown that spray introduction gives more symmetric signals
Valeria V Kleandrova et al.
Environment international, 73, 288-294 (2014-09-01)
Nanotechnology has brought great advances to many fields of modern science. A manifold of applications of nanoparticles have been found due to their interesting optical, electrical, and biological/chemical properties. However, the potential toxic effects of nanoparticles to different ecosystems are
Su-Yuan Lai et al.
Biochimica et biophysica acta, 1844(7), 1173-1182 (2014-04-16)
VP2 protein is the primary host-protective immunogen of infectious bursal disease virus (IBDV). His249 and His253 are two surface histidine residues in IBDV subviral particles (SVP), which is formed by twenty VP2 trimers when the VP2 protein of a local
Man Wang et al.
Ecotoxicology and environmental safety, 104, 254-262 (2014-04-15)
Activated carbon was prepared from Enteromorpha prolifera (EP) by H3PO4 activation in the presence of doped cetyl trimethyl ammonium bromide (CTAB), producing EPAC-CTAB. The thermal decomposition process of the activated carbon substrate was identified by thermo-gravimetric analysis. Scanning electron microscope
Rui-Guang Ge et al.
World journal of gastroenterology, 19(45), 8211-8218 (2013-12-24)
Helicobacter pylori (H. pylori) is a common human pathogen responsible for various gastric diseases. This bacterium relies on the production of urease and hydrogenase to inhabit the acidic environment of the stomach. Nickel is an essential cofactor for urease and
Beatriz Garrido-Rodriguez et al.
Chemosphere, 107, 379-385 (2014-01-29)
Batch type and column experiments were used to study competitive adsorption-desorption and transport for Cd, Cu, Ni and Zn in a mine soil, both un-amended and amended with mussel shell. Batch type experiments showed that adsorption was affected by the
Egor Geist et al.
Natural product reports, 31(4), 441-448 (2014-02-28)
This Highlight covers the current status of relatively unexplored sp(3)-sp(3) cross-coupling reactions with particular focus on natural product and related syntheses.
Asad A Rizvi et al.
Connecticut medicine, 78(4), 215-219 (2014-05-17)
The case of a 44-year-old female with multiple embolic cerebellar infarcts associated with a "high risk" patent foramen ovale (PFO) is presented. This article reviews current management of PFO in association with cryptogenic stroke in light of the results of
Alejandra Navarro-Palacios et al.
American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics, 146(1), 92-97 (2014-07-01)
Orthodontic tooth movement implies application of forces that generate an inflammatory process. The myeloperoxidase (MPO) enzyme is found inside neutrophil granules. MPO activity indirectly reflects the level of inflammation. The aim of this study was to measure MPO activity in
Ignacio I Fuentes et al.
Aquatic toxicology (Amsterdam, Netherlands), 155, 142-150 (2014-07-16)
An experiment was designed to assess the capacity of Salvinia minima Baker to uptake and accumulate nickel in its tissues and to evaluate whether or not this uptake can affect its physiology. Our results suggest that S. minima plants are
Collin D Kraus et al.
American journal of orthodontics and dentofacial orthopedics : official publication of the American Association of Orthodontists, its constituent societies, and the American Board of Orthodontics, 145(5), 655-666 (2014-05-03)
The purpose of this study was to evaluate the biologic response of dentoalveolar bone to archwire expansion with light-to-moderate continuous forces. With a split-mouth experimental design, the maxillary right second premolars of 7 adult male dogs were expanded for 9
Giovanna Visioli et al.
Bulletin of environmental contamination and toxicology, 92(4), 490-496 (2013-11-30)
In vitro short-term chronic phytotoxicity germination and root elongation test were applied to test the effects of nickel (Ni) in seed germination and root elongation in six plants species: Cucumis sativus (Cucurbitaceae), Lepidium sativum and Brassica nigra (Brassicaceae), Trifolium alexandrinum
Ruth Magaye et al.
Environmental toxicology and pharmacology, 34(3), 644-650 (2012-09-25)
Recently, nanoparticles have been the focus of many research and innovation. Metallic nickel and nickel-based nanoparticles are among those being exploited. Nickel fine particles are known to be genotoxic and carcinogenic. It has been discovered that many properties of nano
Khadine A Higgins et al.
Biochemistry, 51(40), 7816-7832 (2012-09-14)
Nickel is an essential metal for a number of bacterial species that have developed systems for acquiring, delivering, and incorporating the metal into target enzymes and controlling the levels of nickel in cells to prevent toxic effects. As with other
Maria D Pavlaki et al.
Ecotoxicology and environmental safety, 109, 48-55 (2014-08-29)
In aquatic ecosystems several stressors may act together and affect the life traits of organisms. Pesticide runoffs are usually associated with high inputs of organic matter and depletion of oxygen in aquatic systems. This study aimed at combining anthropogenic stress
Umesh U Jadhav et al.
Environmental technology, 35(9-12), 1263-1268 (2014-04-08)
The removal of nickel (Ni) and cadmium (Cd) from spent batteries was studied by the chemical method. A novel leaching system using ferric sulphate hydrate was introduced to dissolve heavy metals in batteries. Ni-Cd batteries are classified as hazardous waste
Seena S Koshy et al.
Biochemistry, 53(49), 7755-7764 (2014-11-25)
The goal of understanding mechanisms of transmembrane signaling, one of many key life processes mediated by membrane proteins, has motivated numerous studies of bacterial chemotaxis receptors. Ligand binding to the receptor causes a piston motion of an α helix in
Anna Merloni et al.
Biochimica et biophysica acta, 1844(9), 1662-1674 (2014-07-02)
Urease, the most efficient enzyme so far discovered, depends on the presence of nickel ions in the catalytic site for its activity. The transformation of inactive apo-urease into active holo-urease requires the insertion of two Ni(II) ions in the substrate
Aida Bani et al.
Environmental monitoring and assessment, 186(7), 4431-4442 (2014-04-11)
This study aimed at relating the variability of Ni biogeochemistry along the ultramafic toposequence to pedogenesis and soil mineralogy. Hypereutric Cambisols dominate upslope; Cambic Vertisols and Fluvic Cambisols occur downslope. The soil mineralogy showed abundance of primary serpentine all over
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