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Showing 1-30 of 853 results for "225711" within Papers
Anetta Zioła-Frankowska et al.
BioMed research international, 2015, 815648-815648 (2015-09-12)
The aim of the study was to determine the content of particular elements Ca, Mg, P, Na, K, Zn, Cu, Fe, Mo, Cr, Ni, Ba, Sr, and Pb in the proximal femur bone tissue (cancellous and cortical bone) of 96
Katelyn J Edge et al.
Environmental toxicology and chemistry, 34(6), 1345-1353 (2015-02-14)
Resuspended contaminated sediments represent an important route of contaminant exposure for aquatic organisms. During resuspension events, filter-feeding organisms are exposed to contaminants, in both the dissolved form (at the gills) and the particulate form (in the digestive system). In addition
Xin Zhang et al.
Analytica chimica acta, 835, 29-36 (2014-06-24)
A glassy carbon electrode modified with poly(alizarin red)/electrodeposited graphene (PAR/EGR) composite film was prepared and applied to detect ciprofloxacin (CPFX) in the presence of ascorbic, uric acid and dopamine. The morphology and interface property of PAR/EGR films were examined by
Iman Al-Saleh et al.
International journal of hygiene and environmental health, 218(1), 66-90 (2014-09-23)
To our knowledge, this study may be the first to examine the antagonistic role of selenium (Se) on oxidative stress induced by cadmium (Cd) and its impact on birth measures. Cd and Se levels were measured in umbilical-cord blood and
Bahram Ebrahimi et al.
Journal of AOAC International, 98(3), 822-827 (2015-06-19)
A sensitive and low cost SPE method for the extraction, preconcentration, and flame atomic absorption spectrometric determination of nickel at ng/mL levels is described. Parameters governing the extraction efficiency including pH of the solution, eluent type, sample volume, and matrix
Tamzin A Blewett et al.
Aquatic toxicology (Amsterdam, Netherlands), 164, 23-33 (2015-04-29)
In freshwater, invertebrates nickel (Ni) is considered an ionoregulatory toxicant, but its mechanism of toxicity in marine settings, and how this varies with salinity, is poorly understood. This study investigated Ni accumulation and physiological mechanisms of sub-lethal Ni toxicity in
Irene Moraleja et al.
Analytical and bioanalytical chemistry, 407(9), 2393-2403 (2015-01-27)
A shotgun approach including peptide-based OFFGEL-isoelectric focusing (IEF) fractionation has been developed with the aim of improving the identification of platinum-binding proteins in biological samples. The method is based on a filter-aided sample preparation (FASP) tryptic digestion under denaturing and
Song Hu et al.
Bioresource technology, 192, 23-30 (2015-05-26)
This work aimed to investigate effects of inherent alkali and alkaline earth metallic species (AAEMs) on biomass pyrolysis at different temperatures. The yield of CO, H2 and C2H4 was increased and that of CO2 was suppressed with increasing temperature. Increasing
Won Park et al.
Biotechnology for biofuels, 7, 96-96 (2014-07-16)
Camelina sativa (L.) Crantz, known by such popular names as "gold-of-pleasure" and "false flax," is an alternative oilseed crop for biofuel production and can be grown in harsh environments. Considerable interest is now being given to the new concept of
Marcin Mikulewicz et al.
PloS one, 10(11), e0140211-e0140211 (2015-11-07)
The aim of the study was evaluation of metal ions (nickel and chromium) released from orthodontic appliances in cleft lip and palate patients and the usefulness of non-invasive matrices (saliva and hair). The material studied consisted of 100 individuals, including
Abubakr M Idris et al.
Environmental science and pollution research international, 22(21), 17012-17021 (2015-07-01)
Jizan fishers are the major fish source for more than 1.5 million populations in the southern region in Saudi Arabia. Despite the overgrowing of various man-made activities in Jizan City, no recent study on environmental monitoring was reported. In the
Duan Gui et al.
PloS one, 9(10), e110336-e110336 (2014-10-14)
As top predators in the Pearl River Estuary (PRE) of China, Indo-Pacific humpback dolphins (Sousa chinensis) are bioindicators for examining regional trends of environmental contaminants in the PRE. We examined samples from stranded S. chinensis in the PRE, collected since
Janette Kropat et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(9), 2644-2651 (2015-02-04)
Inorganic elements, although required only in trace amounts, permit life and primary productivity because of their functions in catalysis. Every organism has a minimal requirement of each metal based on the intracellular abundance of proteins that use inorganic cofactors, but
Michael S Hildebrand et al.
Scientific reports, 5, 17816-17816 (2015-12-10)
Febrile seizures (FS) are the most common seizure syndrome and are potentially a prelude to more severe epilepsy. Although zinc (Zn(2+)) metabolism has previously been implicated in FS, whether or not variation in proteins essential for Zn(2+) homeostasis contributes to
Neerugatti KrishnaRao Eswar et al.
Photochemical & photobiological sciences : Official journal of the European Photochemistry Association and the European Society for Photobiology, 14(7), 1227-1237 (2015-06-10)
This study demonstrates the synthesis of TiO2 nanobelts using solution combustion derived TiO2 with enhanced photocatalytic activity for dye degradation and bacterial inactivation. Hydrothermal treatment of combustion synthesized TiO2 resulted in unique partially etched TiO2 nanobelts and Ag3PO4 was decorated
Binzhe Sun et al.
Bioresource technology, 196, 454-458 (2015-08-19)
A simple pretreatment method, NaOH swelling at a low temperature and then HCl regeneration, was developed for depolymerization of cellulose to glucose. Cellulose was transformed into amorphous hydrogel during the treatment; and due to the easy diffusion of H(+) and
Elham Moniri et al.
Journal of AOAC International, 98(1), 206-212 (2015-04-11)
A simple ion imprinted amino-functionalized sorbent was synthesized by coupling activated carbon with iminodiacetic acid, a functional compound for metal chelating, through cyanoric chloride spacer. The resulting sorbent has been characterized using FTIR spectroscopy, elemental analysis, and thermogravimetric analysis and
Dawei Feng et al.
Nature communications, 6, 5979-5979 (2015-01-20)
Enzymatic catalytic processes possess great potential in chemical manufacturing, including pharmaceuticals, fuel production and food processing. However, the engineering of enzymes is severely hampered due to their low operational stability and difficulty of reuse. Here, we develop a series of
Béatrice Gagnaire et al.
Ecotoxicology (London, England), 24(1), 215-231 (2014-10-29)
To characterize environmental risks linked to former uranium mines in the Limousin region of France, a study was conducted on fish health effects from uranium releases. Two private ponds were compared in this study, one with uranium contamination and one
Toshihiro Takashima et al.
Journal of photochemistry and photobiology. B, Biology, 152(Pt A), 139-145 (2015-02-05)
One challenge in artificial photosynthetic systems is the development of active oxygen evolution catalysts composed of abundant elements. The oxygen evolution activities of manganese pyrophosphate compounds were examined in electrochemical and photochemical experiments. Electrocatalysis using calcium-manganese pyrophosphate exhibited good catalytic
Shu Rui Ng et al.
The Analyst, 140(12), 4224-4231 (2015-04-29)
pH sensors were fabricated by anodically electrodepositing iridium oxide films (AEIROFs) onto microelectrodes on chips and coated with poly(ethyleneimine) (PEI) for mechanical stability. These demonstrate super-Nernstian response to pH from pH 4.0 to 7.7 in chloride-free phosphate buffer. The surface
Jafar Abolhasani et al.
Environmental monitoring and assessment, 187(9), 554-554 (2015-08-08)
This work describes a novel Fe3O4@SiO2@polythiophene magnetic nanocomposite and its application in the preconcentration of Hg(II) ions. The parameters affecting the preconcentration procedure were opted by a Box-Behnken design through response surface methodology. Three factors (uptake time, magnetic nanosorbent amount
Agata Przekora et al.
Materials science & engineering. C, Materials for biological applications, 45, 287-296 (2014-12-11)
The aim of the study was to fabricate titanium (Ti) material coated with functionalized carbon nanotubes (f-CNTs) that would have potential medical application in orthopaedics as an implantable electronic device. The novel biomedical material (Ti-CNTs-H2O) would possess specific set of
Nesta Bortey-Sam et al.
Environmental monitoring and assessment, 187(7), 397-397 (2015-06-04)
Concentrations of heavy metals and metalloid in borehole drinking water from 18 communities in Tarkwa, Ghana, were measured to assess the health risk associated with its consumption. Mean concentrations of heavy metals (μg/L) exceeded recommended values in some communities. If
Christi L Kolarcik et al.
Journal of neural engineering, 12(1), 016008-016008 (2014-12-09)
The dorsal root ganglion is an attractive target for implanting neural electrode arrays that restore sensory function or provide therapy via stimulation. However, penetrating microelectrodes designed for these applications are small and deliver low currents. For long-term performance of microstimulation
Yong Liang et al.
Analytical and bioanalytical chemistry, 407(9), 2373-2381 (2014-11-21)
We report a novel activity-based and Cu-free click chemistry (CC) mediated methodology for glutathione S-transferase omega 1 (GSTO1) quantification using species-unspecific isotope dilution inductively coupled plasma mass spectrometry (SUID ICP-MS), in which dibenzylcyclooctyne-modified 2-chloroacetamide (DBCO-ChAcA) was designed and synthesized, meanwhile
Maria Aloupi et al.
The Science of the total environment, 527-528, 279-286 (2015-05-13)
Fecal lead (Pb) levels were investigated in the threatened European population of the Lesser White-fronted Goose (LWfG, Anser erythropus) and of the non-threatened Greater White-fronted Goose (GWfG, Anser albifrons) wintering in two wetland areas in northern Greece in order to
Hyun-Jung Choi et al.
Clinica chimica acta; international journal of clinical chemistry, 439, 91-96 (2014-10-04)
Chromium (Cr) and cobalt (Co) metal ions released from orthopedic prostheses, such as metal-on-metal (MoM) bearings, may be related to wear of the bearing surface. These ions may serve as indicators of the in vivo performance of MoM bearing surfaces.
Gerald Bachler et al.
Particle and fibre toxicology, 12, 18-18 (2015-06-28)
The lung epithelial tissue barrier represents the main portal for entry of inhaled nanoparticles (NPs) into the systemic circulation. Thus great efforts are currently being made to determine adverse health effects associated with inhalation of NPs. However, to date very
J E Oliver et al.
Phytopathology, 105(7), 855-862 (2015-03-05)
Xylella fastidiosa is a xylem-limited gram-negative plant pathogen that affects numerous crop species, including grape, citrus, peach, pecan, and almond. Recently, X. fastidiosa has also been found to be the cause of bacterial leaf scorch on blueberry in the southeastern
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