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Showing 1-30 of 459 results for "438073" within Papers
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
Dengwu Zhao et al.
Scientific reports, 5, 17276-17276 (2015-11-27)
This report investigates the enhancement of localized evaporation via separated light absorbing particles (plasmonic absorbers) and scattering particles (polystyrene nanoparticles). Evaporation has been considered as one of the most important phase-change processes in modern industries. To improve the efficiency of
Md Saiful Islam et al.
Ecotoxicology and environmental safety, 122, 462-469 (2015-09-26)
Seven food items, namely, meat, egg, fish, milk, vegetables, cereals and fruits were collected from Bogra district, Bangladesh to evaluate the levels of heavy metal and associated health risk to the adults and children. The samples were analyzed for the
Wan-Kuen Jo et al.
Journal of hazardous materials, 283, 680-688 (2014-12-03)
This study was conducted under visible-light exposure to investigate the photocatalytic characteristics of a multiwalled carbon nanotube/titania (TiO2) composite nanofiber (MTCN) using a continuous-flow tubular reactor. The MTCN was prepared by a sol-gel process, followed by an electrospinning technique. The
Caroline Oster et al.
Analytical and bioanalytical chemistry, 407(11), 3035-3043 (2014-09-28)
Air quality is one of the areas in Europe where a series of EU Directives have been published with the aim of achieving improved long-term and harmonised air quality objectives across the European Union. This paper describes the production of
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
Lisa Fischer et al.
Journal of pharmaceutical and biomedical analysis, 95, 121-129 (2014-03-29)
New guidelines of the United States Pharmacopeia (USP), European Pharmacopeia (EP) and international organization (ICH, International Conference on Harmonization) regulating elemental impurity limits in pharmaceuticals seal the end of unspecific analysis of metal(oid)s as outlined in USP <231> and EP
Nteseng O Ramoraswi et al.
Nanoscale research letters, 10(1), 427-427 (2015-11-01)
Mesoporous silica, specifically SBA-15, acid-treated multi-walled carbon nanotubes and a hybrid nanocomposite of SBA-15 coated onto the sidewalls acid-treated multi-walled carbon nanotubes (CNTs) were prepared and used as supports for anatase TiO2. Sol-gel methods were adapted for the synthesis of
Rui Gusmão et al.
Chemistry (Weinheim an der Bergstrasse, Germany), 21(46), 16474-16478 (2015-10-08)
Fluorographane (C1 Hx F1-x+δ )n is a new member of the graphene family that exhibits hydrophobicity and a large band gap that is tunable based on the level of fluorination. Herein, sensing and energy applications of fluorographane are reported. The
C T R Viana et al.
Microvascular research, 86, 44-51 (2012-12-21)
Inflammation, angiogenesis and cytokine production are common features of almost, if not all tumors. However, the extent of these processes induced by different types of tumors has not been evaluated. We investigated the growth pattern of the experimental metastatic tumors
Nitric acid purification of single-walled carbon nanotubes.
Hu H, et al.
The Journal of Physical Chemistry B, 107(50), 13838-13842 (2003)
Chirag K Vyas et al.
Journal of hazardous materials, 241-242, 340-347 (2012-10-23)
Quantitative leaching of Sr from homogeneous and calcined (Th,Sr) O(2) in dilute perchloric acid medium suggests the possibility of reducing the hazardousness of discharged nuclear fuel by separation of (90)Sr, a prominent fission product at dissolution stage itself rather than
Rodrigo M Pereira et al.
Talanta, 147, 76-81 (2015-11-26)
A microwave-induced combustion (MIC) system based on the volatilization process was applied for subsequent halogen determination from noncombustible inorganic matrices. Portland cement samples were selected to demonstrate the feasibility of the proposed method, allowing the subsequent determination of Cl and
Yang Yang et al.
Environmental science & technology, 48(20), 12362-12369 (2014-09-16)
Disinfectants inactivate pathogens in source water; however, they also react with organic matter and bromide/iodide to form disinfection byproducts (DBPs). Although only a few DBP classes have been systematically analyzed for toxicity, iodinated and brominated DBPs tend to be the
Chan Wang et al.
Materials science & engineering. C, Materials for biological applications, 41, 134-141 (2014-06-09)
As a kind of antimicrobial agent, nano-silver composites have attracted a great deal of interest in biomedical applications. However, the typical loadings of silver nanoparticles (AgNPs) in such composites could result in dose-related cytotoxicity. In this study, a nano-silver composite
Agnieszka Kadej et al.
Dalton transactions (Cambridge, England : 2003), 44(47), 20659-20674 (2015-11-14)
Mononuclear and polynuclear copper(II) complexes of alloferon 1 with point mutations, H1A/H12A H2N-A(1)GVSGH(6)GQH(9)GVA(12)G-COOH, H1A/H9A H2N-A(1)GVSGH(6)GQA(9)GVH(12)G-COOH, and H1A/H6A H2N-A(1)GVSGA(6)GQH(9)GVH(12)G-COOH, have been studied by potentiometric, UV-visible, CD, and EPR spectroscopy, and mass spectrometry (MS) methods. Complete complex speciation at different metal-to-ligand molar
Brad M Angel et al.
Aquatic toxicology (Amsterdam, Netherlands), 168, 90-97 (2015-10-16)
The factors affecting the chronic (72-h) toxicity of three nanoparticulate (10-34nm) and one micron-sized form of CeO2 to the green alga, Pseudokirchneriella subcapitata were investigated. To characterise transformations in solution, hydrodynamic diameters (HDD) were measured by dynamic light scatter, zeta
Casey McQuade et al.
Small (Weinheim an der Bergstrasse, Germany), 11(7), 834-843 (2014-09-30)
Gold nanoparticles have garnered interest as both radiosensitzers and computed tomography (CT) contrast agents. However, the extremely high concentrations of gold required to generate CT contrast is far beyond that needed for meaningful radiosensitization, which limits their use as combined
Min-Quan Yang et al.
Nanoscale, 7(43), 18062-18070 (2015-09-26)
Considerable effort has been made to fabricate graphene (GR)/semiconductor composite photocatalysts, by using graphene oxide (GO) as the most widely used precursor of GR, toward an improved efficacy of solar energy conversion. However, thus far, the role of GO in
Francesca Garello et al.
Molecular pharmaceutics, 11(10), 3760-3765 (2014-08-28)
Glucan particles (GPs) are monodisperse microspheres derived from baker's yeast and represent an interesting class of microcarriers for theranostic applications as they show a high affinity toward immune system cells. The typical loading strategy was to harness the ability of
Taro Masuda et al.
Bioscience, biotechnology, and biochemistry, 79(1), 74-81 (2014-10-16)
Iron is one of the essential trace elements for humans. In this study, the iron contents in fresh, dried, and toasted nori (Pyropia yezoensis) were analyzed. The mean iron content of fresh, dried, and toasted nori were 19.0, 22.6, and
Franciele Rovasi Adolfo et al.
Talanta, 147, 241-245 (2015-11-26)
Nickel and cobalt were simultaneously assayed in vitamin B12 formulations by using atomic spectrometry. The proposed method is based on a compromise between the proximity of specific Ni and Co spectral lines and the relative abundances of the analytes in
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
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
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
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
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
Dario Livio Longo et al.
Biomaterials, 75, 47-57 (2015-10-20)
A novel MRI blood-pool contrast agent (Gd-AAZTA-MADEC) has been compared with established blood pool agents for tumor contrast enhanced images and angiography. Synthesis, relaxometric properties, albumin binding affinity and pharmacokinetic profiles are reported. For in vivo studies, angiographic images and
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
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