Showing 1-30 of 47 results for "

654507

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Siyue Lou et al.
Food and chemical toxicology : an international journal published for the British Industrial Biological Research Association, 51, 251-258 (2012-09-20)
Nickel, a metal commonly found in battery plants and welding factories, has potential cardiotoxicity, while all-trans retinoid acid (atRA) can promote cardiovascular repair and myocardial recovery. The purpose of this study was to investigate whether atRA could prevent cardiotoxicity induced...
O M Vasyliv et al.
Mikrobiolohichnyi zhurnal (Kiev, Ukraine : 1993), 75(2), 37-44 (2013-06-01)
Superoxide dismutase, as one of the enzymes of cells' antioxidant defensive system, catalyzes superoxide anion-radical (O2-) dismutation with O2 and H2O2 forming. The influence of such transition metal compounds, as FeSO4, FeCl3, MnCl2, NiCl2, and CoCl2 on superoxide dismutase activity...
Raziyeh Akbarzadeh et al.
Dalton transactions (Cambridge, England : 2003), 43(44), 16745-16753 (2014-10-04)
A NiS2 nanostructure with a protective layer of Ni(2+) and SO4(2-) ions around it has been successfully synthesized using the Ni(II)-Salen (Salen = N,N'-bis(salicylidene)ethylenediamine) complex via a simple solvothermal approach in the presence of anhydrous sodium thiosulfate (Na2S2O3) as sulfur...
James Townsend et al.
ACS nano, 8(7), 6970-6978 (2014-06-21)
We report the fabrication of flexible chains of ferromagnetic Ni nanoparticles that possess the ability to adapt other than the typically observed rigid (nearly) straight configurations in the absence of an external magnetic field. The dynamic mobility of the ferromagnetic...
Robert M Howlett et al.
Microbiology (Reading, England), 158(Pt 6), 1645-1655 (2012-03-10)
Campylobacter jejuni is a human pathogen of worldwide significance. It is commensal in the gut of many birds and mammals, where hydrogen is a readily available electron donor. The bacterium possesses a single membrane-bound, periplasmic-facing NiFe uptake hydrogenase that depends...
Jian Wang et al.
Nanoscale research letters, 10(1), 461-461 (2015-12-03)
Zn-doped NiO two-dimensional grainy films on glass substrates are shown to be an ammonia-sensing material with excellent comprehensive performance, which could real-time detect and monitor ammonia (NH3) in the surrounding environment. The morphology and structure analysis indicated that the as-fabricated...
Jason P Covy et al.
Journal of neuroscience research, 90(12), 2306-2316 (2012-08-01)
Mutations in ATP13A2, which encodes a lysosomal P-type ATPase of unknown function, cause an autosomal recessive parkinsonian syndrome. With mammalian cells, we show that ATP13A2 expression protects against manganese and nickel toxicity, in addition to proteasomal, mitochondrial, and oxidative stress....
Bangyuan Wu et al.
Biological trace element research, 151(2), 234-239 (2012-11-28)
Cytokines are immunoregulatory proteins which play an important role in the immune system. The purpose of this study was to examine the serum cytokine contents including interleukin-2 (IL-2), interleukin-4 (IL-4), interleukin-6 (IL-6), interleukin-10 (IL-10), interferon gamma (IFN-γ), and tumor necrosis...
William G Brumbaugh et al.
Environmental toxicology and chemistry, 32(11), 2482-2494 (2013-05-10)
Two spiking methods were compared and nickel (Ni) partitioning was evaluated during a series of toxicity tests with 8 different freshwater sediments having a range of physicochemical characteristics. A 2-step spiking approach with immediate pH adjustment by addition of NaOH...
Joydev Manna et al.
Journal of colloid and interface science, 508, 359-368 (2017-08-28)
Nickel(0) nanoparticles supported on cobalt ferrite (Ni
Kusaï Alomar et al.
Journal of inorganic biochemistry, 126, 76-83 (2013-06-25)
The reaction of nickel(II), copper(II) chlorides and cadmium(II) chloride and bromide with thiophene-2,3-dicarboxaldehyde bis(thiosemicarbazone) (2,3BTSTCH2) leads to a series of new complexes: [Ni(2,3BTSTCH)]Cl, [Cu(2,3BTSTC)], [CdCl2(2,3BTSTCH2)] and [CdBr2(2,3BTSTCH2)]. The crystal structures of the ligand and of [Ni(2,3BTSTCH)]Cl complex have been determined....
John M Besser et al.
Environmental toxicology and chemistry, 32(11), 2495-2506 (2013-05-10)
This study evaluated the chronic toxicity of Ni-spiked freshwater sediments to benthic invertebrates. A 2-step spiking procedure (spiking and sediment dilution) and a 2-stage equilibration period (10 wk anaerobic and 1 wk aerobic) were used to spike 8 freshwater sediments with wide...
Patrick R Heenan et al.
ACS nano, 13(4), 4220-4229 (2019-04-03)
For over 25 years, imaging of DNA by atomic force microscopy has been intensely pursued. Ideally, such images are then used to probe the physical properties of DNA and characterize protein-DNA interactions. The atomic flatness of mica makes it the...
Rayetta G Henderson et al.
Regulatory toxicology and pharmacology : RTP, 63(1), 20-28 (2012-03-01)
In vitro metal ion bioaccessibility, as a measure of bioavailability, can be used to read-across toxicity information from data-rich, source substances to data-poor, target substances. To meet the data requirements for oral systemic toxicity endpoints under the REACH Regulation in...
Jenilee Way et al.
Nuclear medicine and biology, 40(3), 430-436 (2013-01-12)
4-[(18)F]Fluorobenzylamine ([(18)F]FBA) is an important building block for the synthesis of (18)F-labeled compounds. Synthesis of [(18)F]FBA usually involves application of strong reducing agents like LiAlH4 which is challenging to handle in automated synthesis units (ASUs). Therefore, alternative methods for the...
Kaoru Onami et al.
The Journal of investigative dermatology, 134(7), 1951-1960 (2014-02-18)
Although extracellular adenosine 5'-triphosphate (eATP) has a crucial role in the sensitization phase of contact hypersensitivity (CHS), the mechanism by which hapten causes keratinocyte cell death and ATP release is unknown. We examined the time course of cell death, reactive...
Occupational allergic contact dermatitis of the ears caused by thiurams in a headset.
Claudia Pföhler et al.
Contact dermatitis, 65(4), 242-243 (2011-09-13)
Zeinhom M El-Bahy et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 92, 105-112 (2012-03-27)
Cast technique was used to prepare films of sodium carboxymethyl cellulose (CMC) doped with different ratios of NiCl(2)·6H(2)O in the range of 0-40Ni(2+) wt.%. Thermal analysis (DTA) in the range of 25-600°C and dielectric properties in the temperature range of...
Jason Yamada-Hanff et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 33(38), 15011-15021 (2013-09-21)
Hippocampal CA1 pyramidal neurons are normally quiescent but can fire spontaneously when stimulated by muscarinic agonists. In brain slice recordings from mouse CA1 pyramidal neurons, we examined the ionic basis of this activity using interleaved current-clamp and voltage-clamp experiments. Both...
Aaron I Freire et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 89, 259-263 (2012-01-24)
Raman, IR and UV-vis-NIR experiments of formamide (FA) and nickel chloride solutions at different compositions were carried out. The quantitative Raman study at the νCN region shows that 5 FA molecules are coordinated to Ni (II) and the sixth position...
Xiaoqiang Guo et al.
Acta biochimica et biophysica Sinica, 44(4), 330-338 (2012-02-10)
Abnormal expression of histone demethylase Jumonji domain-containing protein 1A (JMJD1A) is associated with many kinds of cancers. JMJD1A is also a hypoxic response gene and its expression is regulated by hypoxia-inducible factor-1α (HIF-1α). In this study, we determined the role...
Chih-Hsien Wu et al.
The Journal of biological chemistry, 287(30), 25292-25302 (2012-06-01)
Epithelial-mesenchymal transition (EMT) is considered a critical event in the pathogenesis of lung fibrosis and tumor metastasis. During EMT, the expression of differentiation markers switches from cell-cell junction proteins such as E-cadherin to mesenchymal markers such as fibronectin. Although nickel-containing...
R Prabhakaran et al.
Journal of biological inorganic chemistry : JBIC : a publication of the Society of Biological Inorganic Chemistry, 18(2), 233-247 (2013-01-01)
Three new nickel(II) thiosemicarbazone complexes have been synthesized and characterized by analytical, spectral, and single-crystal X-ray diffraction studies. In complex 1, the ligand 2-hydroxy-1-naphthaldehydethiosemicarbazone coordinated as a monobasic tridentate donor, whereas in complexes 2 and 3, the ligands salicylaldehyde-4(N)-ethylthiosemicarbazone and...
Synthesis of tetra-substituted pyrroles, a potential phosphodiesterase 4B inhibitor, through nickel (II) chloride hexahydrate catalyzed one-pot four-component reaction.
Khan AT, et al.
Tetrahedron Letters, 53(32), 4145-4150 (2012)
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...
Francesca Gissi et al.
Environmental toxicology and chemistry, 34(7), 1578-1587 (2015-02-24)
Despite evidence of contamination in Antarctic coastal marine environments, no water-quality guidelines have been established for the region because of a paucity of biological effects data for local Antarctic species. Currently, there is limited information on the sensitivity of Antarctic...
Steven J Ryan et al.
PloS one, 7(4), e35320-e35320 (2012-05-09)
The basolateral complex of the amygdala (BLA) is a critical component of the neural circuit regulating fear learning. During fear learning and recall, the amygdala and other brain regions, including the hippocampus and prefrontal cortex, exhibit phase-locked oscillations in the...
Rebekka Kubisch et al.
Sensors (Basel, Switzerland), 12(3), 3370-3393 (2012-06-28)
Pollution of drinking water sources represents a continuously emerging problem in global environmental protection. Novel techniques for real-time monitoring of water quality, capable of the detection of unanticipated toxic and bioactive substances, are urgently needed. In this study, the applicability...
Tai-Feng Hung et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(44), 15686-15691 (2015-09-10)
Herein, potential-tunable Na2 Ni1-x Cux Fe(CN)6 nanoparticles with three-dimensional frameworks and large interstitial spaces were synthesized as alternative cathode materials for aqueous sodium-ion batteries by controlling the molar ratio of Ni(II) to Cu(II) at ambient temperature. The influence of the...
Wen Qiang Sun et al.
TheScientificWorldJournal, 2012, 150973-150973 (2012-05-24)
The effect of La on Al/NaBH(4) hydrolysis was elaborated in the present paper. Hydrogen generation amount increases but hydrogen generation rate decreases with La content increasing. There is an optimized composition that Al-15 wt% La-5 wt% NiCl(2)/NaBH(4) mixture (Al-15 wt% La-5 wt% NiCl(2)/NaBH(4) weight...