نتایج جستجو برای: cobalt hexacyanoferrate
تعداد نتایج: 30910 فیلتر نتایج به سال:
Three types of carbon paste electrodes (CPEs) with different liquid binders were fabricated, and their electrochemical behavior was characterized via a potassium hexacyanoferrate(II) probe. 1-Octyl-3-methylimidazolium hexafluorophosphate ionic liquid (IL) as a hydrophobic conductive pasting binder showed better electrochemical performance compared with the commonly employed binder. The IL-conta...
This article is a review of recent developments in the self-assembled nanostructures based on chelate coordination compounds. Molecular nanotechnologies of self-assembly of 3d-element aza- and thiazametalmacrocyclic complexes that happen in nanoreactors on the basis of metal hexacyanoferrate(II) gelatin-immobilized matrix under their contact with water solutions containing various (N,O,S)-donor...
F ROM time to time during the past several years, reports have filtered into the College of an unhealthy condition of cattle in the northern counties of New York State which clearly could not be diagnosed as de, ficiencies of phosphorus, calcium or a lack of total feed. As information concerning cobalt deficiency became more abundant, many points of similarity were recognized batween the sympto...
Films of brucite-type cobalt hydroxide with nanorod morphology and hydrotalcite-type cobalt hydroxide with nanosheet morphology films were fabricated by heterogeneous nucleation in a chemical bath using water and a mixed solution of water–methanol as solvents, respectively. Since oxygen is around 25 times more soluble in methanol than in water, a methanol solution was used to convert a part of ...
Scanning electron microscopy, linear sweep voltammetry, chronoamperometry, and in situ surface-enhanced Raman spectroscopy were used to investigate the electrochemical oxygen evolution reaction (OER) occurring on cobalt oxide films deposited on Au and other metal substrates. All experiments were carried out in 0.1 M KOH. A remarkable finding is that the turnover frequency for the OER exhibited ...
OBJECTIVE To integrate recent understandings of the mechanisms of genotoxicity and carcinogenicity of the different cobalt compounds. METHOD A narrative review of the studies published since the last IARC assessment in 1991 (genotoxicity, experimental carcinogenesis, and epidemiology). RESULTS Two different mechanisms of genotoxicity, DNA breakage induced by cobalt metal and especially hard...
NOMOGRAMS ARE used regularly in our laboratory for various routine calculations (1). A frequent calculation, which may be performed rapidly with the nomogram presented here, is typified by the colorimetric determination of glucose concentration with a reaction in which absorbance decreases as glucose concentration increases (Figure 1). The system uses an AutoAnalyzer and depends upon the reduct...
Processing of self-assembled magnetic nanocrystals has vitally scientific and technological interests. In this paper, three different kinds of self-assemblies of cobalt nanocrystals were processed using particles processed by thermal decomposition of cobalt carbonyl in toluene. In case 1, two-dimensional self-assembly of cobalt nanocrystals with an average particle size of 9.2 nm and polydisper...
In 2013, we raised suspicion that cobalt in leather could be responsible for hitherto unrecognized cases of allergic contact dermatitis. We saw a patient sensitized only to cobalt with clear long-term exposure to cobalt from a leather sofa, and observed resolution of dermatitis following avoidance (1). In 2014,we performed a questionnaire study, which showed a positive and significant associati...
Metal-on-metal (MoM) hip replacements, often manufactured from a cobalt-chrome alloy, are associated with adverse reactions including soft tissue necrosis and osteolysis. Histopathological analysis of MoM peri-implant tissues reveals an inflammatory cell infiltrate that includes macrophages, monocytes and neutrophils. Toll-like receptor 4 (TLR4) is an innate immune receptor activated by bacteri...
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