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Showing 1-30 of 459 results for "438073" within Papers
Alok Rout et al.
Dalton transactions (Cambridge, England : 2003), 44(3), 1379-1387 (2014-11-26)
Trivalent rare-earth ions were extracted from nitric acid medium by the neutral phosphine oxide extractant Cyanex 923 into ionic liquid phases containing the bis(trifluoromethylsulfonyl)imide anion. Five different cations were considered: 1-butyl-3-methylimidazolium, 1-decyl-3-methylimidazolium, methyltributylammonium, methyltrioctylammonium and trihexyl(tetradecyl)phosphonium. The extraction behavior of
J Matos et al.
Environmental research, 143(Pt B), 123-129 (2015-09-28)
This study aimed to identify the benefit and risk associated with raw and cooked blue shark consumption taking into account the bioaccessibility of Se, Hg and MeHg, by using in vitro digestion method. Selenium, Hg and MeHg levels were higher
Daniela Baldantoni et al.
Ecotoxicology and environmental safety, 123, 89-94 (2015-05-26)
Leafy vegetables have a relatively high potential for Cd uptake and translocation, and are thus considered Cd accumulators. For this reason, leaves and roots of lettuce (Lactuca sativa L.) and endive (Cichorium endivia L.) plants, grown on different agricultural soils
Wael I Mortada et al.
Biological trace element research, 168(2), 303-310 (2015-05-23)
Cadmium (Cd) level in blood and urine of soldering iron workers (n=49) and 41 matched healthy controls has been assessed. Cloud point extraction was employed for preconcentration of Cd. The Cd ions formed hydrophobic complex with 9,10-phenanthraquinone monoethyl thiosemicarbazone that
Hoda Elkhenany et al.
Journal of applied toxicology : JAT, 35(4), 367-374 (2014-09-16)
Current treatments for bone loss injuries involve autologous and allogenic bone grafts, metal alloys and ceramics. Although these therapies have proved useful, they suffer from inherent challenges, and hence, an adequate bone replacement therapy has not yet been found. We
Tania Mitra et al.
Journal of hazardous materials, 273, 94-103 (2014-04-15)
Hyacinth root was used as a biosorbent for generating adsorption data in fixed-bed glass column. The influence of different operating parameters like inlet Pb(II) ion concentration, liquid flow rate and bed height on the breakthrough curves and the performance of
Chenglong Ji et al.
Fish & shellfish immunology, 47(1), 79-84 (2015-09-04)
Inorganic arsenic is a known pollutant with two chemical forms, arsenite (As (III)) and arsenate (As (V)), in marine environment. Clam Ruditapes philippinarum is an important fishery species along the Bohai coast. In this study, the biological effects induced by
Helena A Schmitz et al.
Aquatic toxicology (Amsterdam, Netherlands), 160, 22-30 (2015-01-13)
Metals are accumulated by filter feeding organisms via water, ingestion of suspended sediments or food. The uptake pathway can affect metal toxicity. Saccostrea glomerata were exposed to cadmium through cadmium-spiked suspended sediments (19 and 93μg/g dry mass) and cadmium-enriched phytoplankton
Vladimir Merdzan et al.
The Science of the total environment, 488-489, 316-324 (2014-05-20)
Determining the environmental risk of nanoparticles (NPs) requires an in-depth understanding of the NP core, the particle surface coatings and the interactions of the two with environmental matrices. Non-coated ZnO NPs (nZnO) are known to release ionic Zn, contributing directly
Zachary DeLoughery et al.
Toxicological sciences : an official journal of the Society of Toxicology, 143(1), 54-63 (2014-10-08)
Hexavalent chromium is a human respiratory carcinogen that undergoes intracellular activation in vivo primarily via reduction with ascorbate. Replication of Cr-adducted DNA triggers mismatch repair that generates toxic DNA double-strand breaks (DSBs) as secondary lesions. Here, we examined the intranuclear distribution
Cheisy D F Moreira et al.
Materials science & engineering. C, Materials for biological applications, 58, 1207-1216 (2015-10-20)
Recently, stimuli-responsive nanocomposite-derived hydrogels have gained prominence in tissue engineering because they can be applied as injectable scaffolds in bone and cartilage repair. Due to the great potential of these systems, this study aimed to synthesize and characterize novel thermosensitive
Katarzyna Sutkowska et al.
Environmental monitoring and assessment, 187(11), 704-704 (2015-10-27)
This study of soil conditions was carried out on 30 meadow soil (podzol) samples from the vicinity of the soda ash heap in Jaworzno, supplemented by analyses of 18 samples of waste deposited on the heap. In all samples, the
Wenyi Yuan et al.
Journal of the Air & Waste Management Association (1995), 63(1), 2-10 (2013-03-02)
In the disposal of electronic waste, cathode ray tube (CRT) funnel glass remains an urgent environmental problem because of its high lead content. This research developed mechanical activation as a pretreatment process, and it proved to be an effective method
Malgorzata M Brzoska et al.
Current drug targets, 16(13), 1470-1487 (2015-01-06)
Recently a growing attention has been paid to the possibility of using biologically active compounds, including polyphenols, for the prevention of unfavourable effects of exposure to xenobiotics. The study was aimed to investigate, in a female rat model, whether consumption
Javed Iqbal et al.
Toxicology mechanisms and methods, 24(8), 544-551 (2014-07-26)
Advancement in the field of analytical food-chemistry has explored various experimental techniques for aflatoxins (AFs) quantification. The present study was aimed to compare four different techniques; thin-layer chromatography (TLC), high-performance liquid chromatography (HPLC), liquid chromatography-tandem mass spectrometry (LC-MS/MS) and enzyme-linked
Junlong Tian et al.
Scientific reports, 5, 8025-8025 (2015-01-27)
A carbon-matrix nickel composite magnetoplasmonic film with a 3D sub-micron periodic triangular roof-type antireflection structure (SPTAS) was fabricated via a simple and promising method that combines chemosynthesis with biomimetic techniques. The Troides helena (Linnaeus) forewing (T_FW) was chosen as the
Aneta M Białkowska et al.
Journal of industrial microbiology & biotechnology, 42(12), 1609-1621 (2015-10-09)
2,3-Butanediol (2,3-BD) synthesis by a nonpathogenic bacterium Bacillus licheniformis NCIMB 8059 from enzymatic hydrolysate of depectinized apple pomace and its blend with glucose was studied. In shake flasks, the maximum diol concentration in fed-batch fermentations was 113 g/L (in 163
Jens Schubert et al.
Archives of toxicology, 89(11), 2129-2139 (2014-09-25)
The use of the waterpipe, a traditional aid for the consumption of tobacco, has spread worldwide and is steadily increasing especially among the youth. On the other hand, there is a lack of knowledge regarding the composition of mainstream waterpipe
Yuan Tian et al.
Journal of hazardous materials, 239-240, 333-339 (2012-09-27)
This work investigated the effect of different surface modification methods, including oxidization, surfactant coating, and humic acid coating, on single-walled carbon nanotube (SWNT) stability and their mobility in granular porous media under various conditions. Characterization and stability studies demonstrated that
Jinhye Bae et al.
Angewandte Chemie (International ed. in English), 53(31), 8240-8245 (2014-06-17)
Double emulsions are valuable for the formation of multi-compartmental structures. A variety of pathways to prepare double emulsions have been developed, but high-throughput routes to droplets of controlled size and architecture remain scarce. A new single-step process is introduced for
Rachel R Eastman et al.
Environmental science & technology, 47(3), 1629-1637 (2012-12-25)
The absence of well-validated biomarkers of manganese (Mn) exposure in children remains a major obstacle for studies of Mn toxicity. We developed a hair cleaning methodology to establish the utility of hair as an exposure biomarker for Mn and other
Tamara Perez-Rosello et al.
Neurobiology of disease, 81, 14-19 (2015-03-23)
In many synapses of the CNS, mobile zinc is packaged into glutamatergic vesicles and co-released with glutamate during neurotransmission. Following synaptic release, the mobilized zinc modulates ligand- and voltage-gated channels and receptors, functioning as an inhibitory neuromodulator. However, the origin
Aminu Umar Kura et al.
Nanoscale research letters, 10, 105-105 (2015-04-09)
Layered double hydroxide (LDH) is an inorganic-organic nano-layered material that harbours drug between its two-layered sheets, forming a sandwich-like structure. It is attracting a great deal of attention as an alternative drug delivery (nanodelivery) system in the field of pharmacology
Kvar C L Black et al.
ACS nano, 8(5), 4385-4394 (2014-04-29)
With Au nanocages as an example, we recently demonstrated that radioactive (198)Au could be incorporated into the crystal lattice of Au nanostructures for simple and reliable quantification of their in vivo biodistribution by measuring the γ radiation from (198)Au decay
M J Bebianno et al.
Environmental science and pollution research international, 22(22), 17425-17433 (2015-08-19)
Nanotechnology is a rapid field of development with the enhancement of the production of different types of nanoparticles (NPs) applied in several industrial and commercial applications which increase the risk of their presence in the aquatic environment. Ag NPs have
Mohammad Yaqoob et al.
Luminescence : the journal of biological and chemical luminescence, 30(7), 950-961 (2015-02-03)
A flow-injection (FI) method is reported for the determination of Mn(II), maneb and mancozeb fungicides based on the catalytic effect of Mn(II) on the oxidation of lucigenin and dissolved oxygen in a basic solution. The Tween-20 surfactant has been reported
Michaela Zeiner et al.
Journal of pharmaceutical and biomedical analysis, 106, 153-158 (2014-12-03)
The use of medical herbs for the treatment of many human diseases is increasing nowadays due to their mild features and low side effects. Not only for their healing properties, but also for their nutritive value supplementation of diet with
Miguel Angel García-Sevillano et al.
Analytical and bioanalytical chemistry, 406(24), 5853-5865 (2014-07-30)
The biochemical response of mice (Mus musculus) to acute subcutaneous inorganic-mercury exposure was assessed over a 14-day period by analyzing cytosolic extracts of the liver, the kidneys, and blood plasma. Integrated metallomic and metabolomic approaches using elemental and molecular-mass spectrometry
Alessandra Emanuele Tonietto et al.
Environmental science and pollution research international, 22(20), 15920-15930 (2015-06-08)
This research aimed at evaluating cadmium (Cd), copper (Cu), lead (Pb), and zinc (Zn) speciation in water samples as well as determining water quality parameters (alkalinity, chlorophyll a, chloride, conductivity, dissolved organic carbon, dissolved oxygen, inorganic carbon, nitrate, pH, total
Sherleen Fu et al.
Toxicological sciences : an official journal of the Society of Toxicology, 143(2), 482-498 (2015-01-13)
The brain subventricular zone (SVZ) is a source of neural precursor cells; these cells travel along the rostral migratory stream (RMS) to destination areas in the process of adult neurogenesis. Recent x-ray fluorescence (XRF) studies reveal an extensive accumulation of
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