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Guofeng Shen et al.
Journal of environmental sciences (China), 25(9), 1808-1816 (2014-02-14)
Controlled combustion experiments were conducted to investigate the influence of fuel charge size, moisture, air ventilation and feeding rate on the emission factors (EFs) of carbonaceous particulate matter, parent polycyclic aromatic hydrocarbons (pPAHs) and their derivatives from residential wood combustion
Cuiya Zhang et al.
Environmental technology, 35(13-16), 1979-1988 (2014-06-25)
In this study, sequencing batch reactor (SBR) with an anaerobic/aerobic/anoxic operating mode was used to culture granular sludge. Optimal adjustment of cycle duration was achieved by the direction ofpH, oxidation reduction potential and dissolved oxygen parameters. The results showed that
I Tanya Handa et al.
Nature, 509(7499), 218-221 (2014-05-09)
The decomposition of dead organic matter is a major determinant of carbon and nutrient cycling in ecosystems, and of carbon fluxes between the biosphere and the atmosphere. Decomposition is driven by a vast diversity of organisms that are structured in
K Y Foo et al.
Advances in colloid and interface science, 159(2), 130-143 (2010-08-03)
Water scarcity and pollution rank equal to climate change as the most urgent environmental turmoil for the 21st century. To date, the percolation of textile effluents into the waterways and aquifer systems, remain an intricate conundrum abroad the nations. With
Xiaohong Sun et al.
Journal of nanoscience and nanotechnology, 14(6), 4278-4285 (2014-04-18)
Carbon-coated MoO2 nanocrystallines with uniform particle size and carbon-coating morphology have been fabricated by a green and economical hydrothermal route and carbonization process. Glucose here acts as a multifunctional agent, not only as the reducing species to prepare MoO2, but
Scott Weichenthal et al.
Environmental research, 132, 305-310 (2014-05-20)
Increasing evidence suggests that ultrafine particles (UFPs) may contribute to cardiorespiratory morbidity. We examined the relationship between near road UFPs and several traffic and built environment factors to identify predictors that may be used to estimate exposures in population-based studies.
Yufeng Jiang et al.
Ecotoxicology and environmental safety, 106, 11-18 (2014-05-20)
The status, source and health risk of street-dust-borne polycyclic aromatic hydrocarbons (PAHs) in Lanzhou of Northwest China were investigated. The total level of the 21 PAHs ranged from 1470 to 13,700 µg kg(-1) and that of the 16 priority PAHs
Ning Wang et al.
Environmental technology, 35(17-20), 2500-2505 (2014-08-26)
Hydrogen sulphide (H2S) adsorption capacities on recycled rubber media, tyre-derived rubber particle (TDRP), and other rubber material (ORM) have been evaluated. As part of the research, densities, moisture contents, and surface properties of TDRP and ORM have been determined. The
B Franz Lang et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(16), 5926-5931 (2014-04-09)
Programmed translational bypassing is a process whereby ribosomes "ignore" a substantial interval of mRNA sequence. Although discovered 25 y ago, the only experimentally confirmed example of this puzzling phenomenon is expression of the bacteriophage T4 gene 60. Bypassing requires translational
[Application of activated carbon to radiochemical analysis--adsorption behavior of inorganic ions].
S Shibata et al.
Radioisotopes, 39(5), 226-236 (1990-05-01)
Régine P M Steegers-Theunissen et al.
Human reproduction update, 19(6), 640-655 (2013-08-21)
BACKGROUND Most reproductive failures originate during the periconceptional period and are influenced by the age and the lifestyle of parents-to-be. We advance the hypothesis that these failures can arise as a partial consequence of derangements to one-carbon (1-C) metabolism (i.e.
Teodor Parella et al.
Progress in nuclear magnetic resonance spectroscopy, 73, 17-55 (2013-08-22)
A general review of novel NMR methods to measure heteronuclear long-range proton-carbon coupling constants ((n)JCH; n>1) in small molecules is made. NMR experiments are classified in terms of NMR pulse scheme and cross-peak nature. A discussion about simplicity, general applicability
Wioletta Rogula-Kozłowska
Bulletin of environmental contamination and toxicology, 93(4), 493-502 (2014-08-29)
The road traffic impact on the concentrations of 13 fractions of particulate matter (PM) and their components was assessed. PM was sampled at two points in Katowice (southern Poland), a background point beyond the effects of road traffic, and a
David W Kicklighter et al.
Ecological applications : a publication of the Ecological Society of America, 23(8), 1817-1836 (2014-02-22)
Terrestrial carbon dynamics influence the contribution of dissolved organic carbon (DOC) to river networks in addition to hydrology. In this study, we use a biogeochemical process model to simulate the lateral transfer of DOC from land to the Arctic Ocean
Clarissa Gillmann et al.
International journal of radiation oncology, biology, physics, 88(5), 1136-1141 (2014-03-26)
To compare the relative biological effectiveness (RBE)-weighted tolerance doses for temporal lobe reactions after carbon ion radiation therapy using 2 different versions of the local effect model (LEM I vs LEM IV) for the same patient collective under identical conditions.
Anthony Massé et al.
Environmental technology, 34(17-20), 2553-2561 (2014-02-18)
The role of natural compounds of seawater and added particles on mechanisms of membrane fouling and organic matter rejection has been investigated. Ultrafiltration (100 kDa) has been conducted in both dead-end (out/in) and tangential (in/out) modes on polysulfone hollow fibre
Chi Wang et al.
Environmental pollution (Barking, Essex : 1987), 194, 203-209 (2014-08-26)
The Kd of sulfamethoxazole (SMX) on activated carbon (AC) was larger than that of SMX on single-walled carbon nanotubes (SC), but the competition of SMX with carbamazepine (CBZ) for adsorption sites was weaker on AC than SC. Thus, a large
Youssouf Djibril Soubaneh et al.
Chemosphere, 114, 310-316 (2014-08-13)
Sorptive processes are important parameters affecting the mobility, availability and fate of persistent organic pollutants (POPs), such as toxaphene, in aquatic systems. The sorption and desorption behaviors of the B7-1450, a stable toxaphene congener in environment, on marine sediment was
Qian-Qian Liu et al.
Zhongguo Zhong yao za zhi = Zhongguo zhongyao zazhi = China journal of Chinese materia medica, 38(10), 1484-1488 (2013-08-21)
The aim of the present study is to investigate the effect of low temperature vernalization on metabolism change of carbon and nitrogen of Isatis indigotica. The Yunnan and Beijing I. indigotica seedlings with six leaves were vernalized at 4 degrees
Clare Abbenhardt et al.
The Journal of nutrition, 144(5), 714-721 (2014-03-22)
Folate-mediated one-carbon metabolism is essential for DNA synthesis, repair, and methylation. Perturbations in one-carbon metabolism have been implicated in increased risk of some cancers and may also affect inflammatory processes. We investigated these interrelated pathways to understand their relation. The
Jingbin Zeng et al.
Journal of chromatography. A, 1365, 29-34 (2014-09-25)
In this study, ordered mesoporous carbon (OMC) with large surface area (1019m(2)g(-1)), uniform mesoporous structure (pore size distribution centering at 4.2nm) and large pore volume (1.46cm(3)g(-1)) was synthesized using 2D hexagonally mesoporous silica MSU-H as the hard template and sucrose
Luisa Rios-Avila et al.
The Journal of nutrition, 145(1), 87-95 (2014-12-21)
The use of oral contraceptives (OCs) has been associated with low plasma pyridoxal 5'-phosphate (PLP). The functional consequences are unclear. To determine whether functional vitamin B-6 insufficiency occurs in OC users and is attributable to OCs, we investigated the associations
Courtney Reichhardt et al.
Biochimica et biophysica acta, 1848(1 Pt B), 378-383 (2014-06-10)
Bacterial biofilms are communities of bacterial cells surrounded by a self-secreted extracellular matrix. Biofilm formation by Vibrio cholerae, the human pathogen responsible for cholera, contributes to its environmental survival and infectivity. Important genetic and molecular requirements have been identified for
Unnatural base pairs: (n., pl.) man-made carbon-based molecules that can substitute for or extend the natural set of molecules that make up DNA.
Scientific American, 311(2), 21-21 (2014-08-07)
J Boone Kauffman et al.
Ecological applications : a publication of the Ecological Society of America, 24(3), 518-527 (2014-05-20)
Mangroves are recognized to possess a variety of ecosystem services including high rates of carbon sequestration and storage. Deforestation and conversion of these ecosystems continue to be high and have been predicted to result in significant carbon emissions to the
Mushtaq Mir et al.
Infection and immunity, 82(10), 4104-4117 (2014-07-23)
To persist and cause disease in the host, Mycobacterium tuberculosis must adapt to its environment during infection. Adaptations include changes in nutrient utilization and alterations in growth rate. M. tuberculosis Rv1422 is a conserved gene of unknown function that was
Melanie Hodel et al.
Microbial ecology, 68(3), 584-595 (2014-06-04)
Grassland ecosystems support large communities of aboveground herbivores that are known to directly and indirectly affect belowground properties such as the microbial community composition, richness, or biomass. Even though multiple species of functionally different herbivores coexist in grassland ecosystems, most
Claudia Colesie et al.
The ISME journal, 8(10), 2104-2115 (2014-04-04)
Biological soil crusts (BSC) are the dominant functional vegetation unit in some of the harshest habitats in the world. We assessed BSC response to stress through changes in biotic composition, CO2 gas exchange and carbon allocation in three lichen-dominated BSC
Pankaj Trivedi et al.
Trends in microbiology, 21(12), 641-651 (2013-10-22)
Soil organic carbon performs a number of functions in ecosystems and it is clear that microbial communities play important roles in land-atmosphere carbon (C) exchange and soil C storage. In this review, we discuss microbial modulators of soil C storage
E Gramsch et al.
Journal of the Air & Waste Management Association (1995), 64(7), 785-796 (2014-08-16)
The size distribution of particles has been studied in three sites in the Metropolitan area of Santiago de Chile in the winter of 2009 and a comparison with black carbon was performed. Two sites are located near busy streets in
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