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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
Renata Świergosz-Kowalewska et al.
Ecotoxicology and environmental safety, 106, 204-212 (2014-05-24)
One of the most important issues in ecotoxicology is better understanding the effects of interactions between chemical pollutants and physical environmental factors on animals. To fill this knowledge gap, changes in the activity of acetylcholinesterase (AChE) in the brain samples
Zong Xiang Liu et al.
The Chinese journal of dental research : the official journal of the Scientific Section of the Chinese Stomatological Association (CSA), 17(2), 111-116 (2014-12-23)
To evaluate morphological changes of the apical surface after root canal preparation with 1 mm beyond the apical foramen using ProTaper Universal (PTU) files, K3 files and Twisted files (TF), respectively. Seventy teeth with a centered apical foramen and 70
Alex Ignatiev et al.
Dalton transactions (Cambridge, England : 2003), (40)(40), 5501-5506 (2008-12-17)
Nanostructured thin film solid oxide fuel cells (SOFC) have been developed for reduced temperature operation, with high power density, and to be self reforming. A thin film electrolyte (1-2 microm thickness), e.g., yttria-stabilized zirconia (YSZ), is deposited on a nickel
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
Gintaras Svecevičius et al.
Bulletin of environmental contamination and toxicology, 92(4), 440-445 (2014-03-04)
One-year-old Atlantic salmon smolts were exposed for 2 weeks either to six priority heavy metal mixture or to Ni, Pb, and Cr singly at a concentration corresponding to Lithuanian inland water standards: Cu - 0.01, Zn - 0.1, Ni -
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
A review on nickel-free nitrogen containing austenitic stainless steels for biomedical applications.
Mohd Talha et al.
Materials science & engineering. C, Materials for biological applications, 33(7), 3563-3575 (2013-08-06)
The field of biomaterials has become a vital area, as these materials can enhance the quality and longevity of human life. Metallic materials are often used as biomaterials to replace structural components of the human body. Stainless steels, cobalt-chromium alloys
Yang Liu et al.
Chemosphere, 112, 282-288 (2014-07-23)
Metals are always found in the environment as mixtures rather than as solitary elements. However, effect models such as biotic ligand models (BLMs) are usually derived for toxicity prediction of single metals. Our study aimed at predicting mixture toxicity of
Y Kim et al.
Applied physics letters, 98(26), 263106-2631063 (2011-07-30)
Microwave plasma chemical vapor deposition (MPCVD) was employed to synthesize high quality centimeter scale graphene film at low temperatures. Monolayer graphene was obtained by varying the gas mixing ratio of hydrogen and methane to 80:1. Using advantages of MPCVD, the
Gary A Molander et al.
Organic letters, 16(7), 1904-1907 (2014-03-29)
A general method for the alkenylation of alkyl electrophiles using nearly stoichiometric amounts of the air- and moisture-stable potassium organotrifluoroborates has been developed. Various functional groups were tolerated on both the nucleophilic and electrophilic partner. Reactions of highly substituted E-
Joe C Polacco et al.
Plant science : an international journal of experimental plant biology, 199-200, 79-90 (2012-12-26)
We propose experimental strategies to expand our understanding of the role of Ni in plants, beyond the Ni-metallocenter of urease, still the only identified Ni-containing plant enzyme. While Ni has been considered an essential mineral for plants there is a
Wendong Wang et al.
Chemosphere, 107, 211-217 (2014-01-15)
Observations of aluminum containing sediments/scales formed within the distribution pipes have been reported for several decades. In this study, the effect of Ni(2+) on the formation and transformation processes of aluminum hydroxide sediment in a simulated drinking water distribution system
Ruoyu Guo et al.
Gene, 546(2), 378-385 (2014-05-27)
In this study, we evaluated a novel microsomal glutathione S-transferase3 (MGST3) gene from the dinoflagellate Prorocentrum minimum, and examined its expression pattern in response to copper-and nickel-induced stresses. The full length of PmMGST3 was 732 bp, ranging from the dinoflagellate
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
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
M Rizzi et al.
Cell proliferation, 47(6), 578-586 (2014-09-17)
Textiles used to make clothing can represent a source, often ignored, of chemicals potentially noxious to both skin and the whole organism. Among the most frequently produced potentially noxious chemical manufacturing by-products are formaldehyde (FA), nickel (Ni) and hexavalent chromium
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
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
Erkai He et al.
Environmental pollution (Barking, Essex : 1987), 188, 17-26 (2014-02-18)
Protons and other cations may inhibit metal uptake and alleviate metal toxicity in aquatic organisms, but less is known about these interactions in soil organisms. The present study investigated the influence of solution chemistry on uptake and toxicity of Ni
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
Hu Liu et al.
Journal of chromatography. A, 1344, 59-65 (2014-04-29)
This work proposed an integrative method of protein refolding and purification by like-charged resin facilitated refolding and metal-chelate affinity adsorption. Hexahistidine-tagged enhanced green fluorescence protein (EGFP) was overexpressed in Escherichia coli as inclusion bodies (IBs), and then the protein was
Lucía Saya et al.
Organic letters, 16(19), 5008-5011 (2014-09-19)
A highly diastereo- and chemoselective intramolecular nickel-catalyzed cycloaddition of alkene- and alkyne-tethered alkynylidenecyclopropanes is reported. The method constitutes the first fully intramolecular [3 + 2 + 2] alkylidenecyclopropropane cycloaddition occurring via a proximal cleavage of the cyclopropane and makes it
Som Niyogi et al.
Aquatic toxicology (Amsterdam, Netherlands), 150, 36-44 (2014-03-19)
The freshwater pulmonate snail, Lymnaea stagnalis, is the most sensitive aquatic organism tested to date for Ni. We undertook a series of experiments to investigate the underlying mechanism(s) for this observed hypersensitivity. Consistent with previous experiments, juvenile snail growth in
Maryam Ezoddin et al.
Environmental technology, 35(17-20), 2401-2409 (2014-08-26)
A microextraction method based on ultrasound-assisted surfactant-enhanced emulsification using solidification of a floating organic droplet (UASEME-SFO) was evaluated for simultaneous determination of Cd and Ni in water and tea samples followed by flame atomic absorption spectrometry. In the UASEME-SFO technique
Filaggrin is a predominant member of the denaturation-resistant nickel-binding proteome of human epidermis.
Katrine Ross-Hansen et al.
The Journal of investigative dermatology, 134(4), 1164-1166 (2013-10-26)
L A van Loon et al.
Journal of oral pathology, 17(3), 129-137 (1988-03-01)
An in vivo comparison was made between the contact allergic stomatitis-inducing capacity of nickel, nickel-containing dental alloys and a non-corrosive precious metal. Fifteen patients with a positive allergic skin reaction to nickel were divided into 3 groups (A, B and
H T Tien et al.
Photochemistry and photobiology, 49(5), 527-530 (1989-05-01)
Visible light of the solar spectrum is directly converted to stored chemical energy of hydrogen from artificial sea water in a novel electrochemical photovoltaic cell. The principal element of the cell, modeled after the photosynthetic thylakoid membrane, is a semiconductor
Agnieszka J Bednarska et al.
Ecotoxicology and environmental safety, 108, 242-248 (2014-08-12)
Although terrestrial invertebrates are often exposed to mixtures of chemicals in the field, little is known about their combined effects on metabolism. We studied the effects of nickel (Ni), chlorpyrifos (CPF) and their mixtures on the respiration rate of the
R H Kadam et al.
Journal of nanoscience and nanotechnology, 14(6), 4101-4107 (2014-04-18)
Ferrite samples with a chemical formula Co0.5Ni0.5Al(x)Fe(2-x)O4 (where x = 0.0, 0.25, 0.5, 0.75 and 1.0) were synthesized by sol-gel auto-combustion method. The synthesized samples were annealed at 600 degrees C for 4 h. An analysis of X-ray diffraction (XRD)
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