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225711

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Zan Dai et al.
Nanoscale, 7(28), 11991-11999 (2015-06-26)
Hierarchical Bi(3.64)Mo(0.36)O(6.55)/Bi2MoO6 isotype heterostructures were successfully prepared via a one-pot hydrothermal route by using Bi2O3 porous nanospheres as a sacrificial template. By tuning the reaction time, the formation process of the Bi(3.64)Mo(0.36)O(6.55)/Bi2MoO6 heterostructure involving Mo etching, phase transition and anisotropic
Tao Wang et al.
Aquatic toxicology (Amsterdam, Netherlands), 152, 96-104 (2014-04-20)
Copper nanoparticles (Cu-NPs) were widely used in various industrial and commercial applications. In this study the effects of Cu-NPs and soluble Cu were investigated on juvenile Epinephelus coioides. The fish were exposed in triplicate to control, 20 or 100μgCuL(-1) as
Snežana B Tošić et al.
Journal of the science of food and agriculture, 95(11), 2271-2278 (2014-10-10)
An inductively coupled plasma-optical emission spectrometry method for the speedy simultaneous detection of 19 elements in edible nuts (walnuts: Juglans nigra; almonds: Prunus dulcis; hazelnuts: Corylus avellana; Brazil nuts: Bertholletia excelsa; cashews: Anacardium occidentalle; pistachios: Pistacia vera; and peanuts: Arachis
Stefano Del Buffa et al.
Journal of colloid and interface science, 448, 501-507 (2015-03-18)
This paper reports on the preparation, characterization, and cytotoxicity of a hybrid nanocomposite material made of Sr(II)-loaded Halloysite nanotubes included within a biopolymer (3-polyhydroxybutyrate-co-3-hydroxyvalerate) matrix. The Sr(II)-loaded inorganic scaffold is intended to provide mechanical resistance, multi-scale porosity, and to favor
M Daniela Angione et al.
ACS applied materials & interfaces, 7(31), 17238-17246 (2015-07-21)
Poly(ether sulfone) membranes (PES) were modified with biologically active monosaccharides and disaccharides using aryldiazonium chemistry as a mild, one-step, surface-modification strategy. We previously proposed the modification of carbon, metals, and alloys with monosaccharides using the same method; herein, we demonstrate
Jérôme Lasne et al.
Physical chemistry chemical physics : PCCP, 14(45), 15715-15721 (2012-10-24)
The heterogeneous and homogeneous reactions of acetone, hydroxyacetone, acetaldehyde and benzaldehyde with solid nitric acid (HNO(3)) films have been studied with Reflection-Absorption Infrared Spectroscopy (RAIRS) under Ultra-High Vacuum (UHV) conditions in the 90-170 K temperature range. In the bulk or
Prasun Goswami et al.
Journal of environmental science and health. Part A, Toxic/hazardous substances & environmental engineering, 49(13), 1564-1577 (2014-08-20)
The present study documents individual and combined sub-lethal effect of one redox active (copper) and one non-redox active (cadmium) metal on green mussel (Perna viridis). The mussels were exposed to 60 μg L(-1) of Cu and 150 μg L(-1) of
Pamela Ruiz et al.
Marine environmental research, 111, 107-120 (2015-08-25)
The aim of this work was to study short-term effects on antioxidant enzyme activities and long-term genotoxic and carcinogenic potential of CuO nanoparticles (NPs) in comparison to bulk CuO and ionic copper in mussels Mytilus galloprovincialis after 21 days exposure
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.
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
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
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
Mohammad Behbahani et al.
Environmental monitoring and assessment, 186(11), 7245-7257 (2014-07-16)
We are introducing graphene oxide modified with amine groups as a new solid phase for extraction of heavy metal ions including cadmium(II), copper(II), nickel(II), zinc(II), and lead(II). Effects of pH value, flow rates, type, concentration, and volume of the eluent
Chee Shan Lim et al.
Physical chemistry chemical physics : PCCP, 16(24), 12178-12182 (2014-05-13)
Graphene materials are very popular in the field of biosensing owing to their distinctive characteristics. However, oxygen-containing groups are known to exist intrinsically in graphene-related materials. These groups influence the electrochemical properties of graphene materials and therefore affect the sensing
Dan Li et al.
ACS applied materials & interfaces, 7(21), 11294-11300 (2015-05-12)
On the basis of biological ion channels, we constructed TiO2 membranes with rigid channels of 2.3 nm to mimic biomembranes with flexible channels; an external electric field was employed to regulate ion transport in the confined channels at a high
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
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
Yuzhi Deng et al.
Carbohydrate polymers, 111, 864-869 (2014-07-20)
An insoluble biocomposite composed of potato starch and chitosan was prepared by microwave treatment. The effect of pH on swelling (liquid absorption) behavior of the composites was investigated at pH 2, pH 6.8 and pH 12. Analysis revealed that the
Fengming Zou et al.
ACS applied materials & interfaces, 7(22), 12168-12175 (2015-05-27)
A novel dual-mode immunoassay based on surface-enhanced Raman scattering (SERS) and fluorescence was designed using graphene quantum dot (GQD) labels to detect a tuberculosis (TB) antigen, CFP-10, via a newly developed sensing platform of linearly aligned magnetoplasmonic (MagPlas) nanoparticles (NPs).
Azza Gramoun et al.
Arthritis research & therapy, 16(3), R131-R131 (2014-06-25)
Rheumatoid arthritis (RA) is a chronic disease causing recurring inflammatory joint attacks. These attacks are characterized by macrophage infiltration contributing to joint destruction. Studies have shown that RA treatment efficacy is correlated to synovial macrophage number. The aim of this
Aminul Islam et al.
Journal of AOAC International, 98(1), 165-175 (2015-04-11)
Amberlite® XAD-16 was functionalized with p-aminobenzene sulfonic acid via an azo spacer in order to prepare a new chelating resin, which was then characterized by water regain value, hydrogen ion capacity, elemental analyses, and IR spectral and thermal studies. The
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
Sudipta Bhattacharyya et al.
Journal of inorganic biochemistry, 140, 131-142 (2014-08-13)
The bis(3,5-dimethyl-1H- pyrazol-1yl)acetic acid (bdmpza) ligand was conjugated with tert-butyl-N-(2-aminoethyl) carbonate, methyl-2-amino-4-(methylthio)butanoate and 1,3,4,6-tetra-O-acetyl-β-d-glucosamine hydrochloride via amide coupling method to form three ligands L1-L3 which were then reacted with Zn(II) salts to form four zinc complexes (1-4). The complexes were
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
Nicolle F Robaina et al.
Talanta, 99, 104-112 (2012-09-13)
This work reports the optimization of a method, based on the extraction induced by emulsion breaking, for the determination of trace concentrations of Cr and Mn in edible oils by electrothermal atomic absorption spectrometry (ETAAS). In the method, a water-in-oil
Yunus Emre Unsal et al.
Journal of AOAC International, 97(4), 1034-1038 (2014-08-26)
Total concentration of metal ions at trace levels does not give sufficient information about toxicity and biological availability of these elements in fertilizer samples. In the presented work, a sequential extraction procedure modified by the European Community Bureau of Reference
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
Edgar Pinto et al.
Journal of toxicology and environmental health. Part A, 78(13-14), 848-859 (2015-07-15)
Because of the scientific evidence showing that arsenic (As), cadmium (Cd), and nickel (Ni) are human genotoxic carcinogens, the European Union (EU) recently set target values for metal concentration in ambient air (As: 6 ng/m(3), Cd: 5 ng/m(3), Ni: 20
页码 1 来自 29
页码 1 来自 29