REFERENCE_ID int64 273 7.3M | TITLE stringlengths 4 390 | AUTHORS stringlengths 5 1.43k ⌀ | YEAR int64 1.85k 2.02k ⌀ | ABSTRACT stringlengths 1 18.4k ⌀ | CITED int64 0 1 |
|---|---|---|---|---|---|
636,612 | Campus parking lot stormwater runoff: Physicochemical analyses and toxicity tests using Ceriodaphnia dubia and Pimephales promelas | Mcqueen, AD; Johnson, BM; Rodgers, JH, Jr; English, WR | 2,010 | Campus parking lot stormwater (CPLSW) runoff can mobilize a variety of constituents from vehicular and atmospheric deposition that may pose risks to receiving aquatic systems. The objective of this study was to characterize CPLSW and to discern potential constituents of concern that may affect aquatic biota in receivin... | 0 |
677,667 | Ozone modulates the effects of imipramine on immobility in the forced swim test, and nonspecific parameters of hippocampal oxidative stress in the rat | Mokoena, ML; Harvey, BH; Oliver, DW; Brink, CB | 2,010 | Depression has been associated with oxidative stress. There is increased awareness of the role of environmental toxins in the development of mood disorders. Ozone, a pro-oxidant and environmental pollutant, has been noted to have central nervous system effects. We investigated the effects of acute and chronic ozone inh... | 0 |
624,878 | Short-term associations between ambient air pollutants and pediatric asthma emergency department visits | Strickland, MJ; Darrow, LA; Klein, M; Flanders, WD; Sarnat, JA; Waller, LA; Sarnat, SE; Mulholland, JA; Tolbert, PE | 2,010 | Rationale: Certain outdoor air pollutants cause asthma exacerbations in children. To advance understanding of these relationships, further characterization of the dose-response and pollutant lag effects are needed, as are investigations of pollutant species beyond the commonly measured criteria pollutants. Objectives: ... | 1 |
785,556 | Air pollution | Le, ND; Sun, L; Zidek, JV | 2,010 | Toxic air pollutants are continuously released into the air supply. Various pollutants come from chemical facilities and small businesses, such as automobile service stations and dry cleaning establishments. Others, such as nitrogen oxides, carbon monoxide and other volatile organic chemicals, arise primarily from the ... | 0 |
670,282 | Hyaluronan fragments contribute to the ozone-primed immune response to lipopolysaccharide | Li, Z; Potts, EN; Piantadosi, CA; Foster, WM; Hollingsworth, JW | 2,010 | Hyaluronan is a high-molecular mass component of pulmonary extracelluar matrix, and lung injury can generate a low-molecular mass hyaluronan (HA) fragment that functions as endogenous ligand to cell surface receptors CD44 and TLR4. This leads to activation of intracellular NF-?B signaling and proinflammatory cytokine p... | 1 |
626,035 | Integrated science assessment (ISA) for carbon monoxide (Final report, Jan 2010) | null | 2,010 | EPA announced the availability of the final report, Integrated Science Assessment (ISA) for Carbon Monoxide (CO). This report is EPA?s latest evaluation of the scientific literature on the potential human health and welfare effects associated with ambient exposures to CO. The development of this document is part of the... | 1 |
626,767 | Outdoor air pollution as a trigger for out-of-hospital cardiac arrests | Dennekamp, M; Akram, M; Abramson, MJ; Tonkin, A; Sim, MR; Fridman, M; Erbas, B | 2,010 | Background: Epidemiologic studies have reported associations between fine particulate air pollution and cardiovascular mortality or hospitalization for cardiac events. However the evidence regarding the association between air pollution and acute cardiac events, such as out-of-hospital cardiac arrest, is inconsistent.
... | 1 |
383,558 | Air pollution and mortality in the Canary Islands: A time-series analysis | Lopez-Villarrubia, E; Ballester, F; Iniguez, C; Peral, N | 2,010 | ABSTRACT: BACKGROUND: The island factor of the cities of Las Palmas de Gran Canaria and Santa Cruz de Tenerife, along with their proximity to Africa and their meteorology, create a particular setting that influences the air quality of these cities and provides researchers an opportunity to analyze the acute effects of ... | 0 |
733,089 | Contrasting ozone sensitivity in related evergreen and deciduous shrubs | Calatayud, V; Marco, F; Cervero, J; Sanchez-Pe?a, G; Sanz, MJ | 2,010 | Plant responses to enhanced ozone levels have been studied in two pairs of evergreen-deciduous species (Pistacia terebinthus vs. P. lentiscus; Viburnum lantana vs. V. tinus) in Open Top Chambers. Ozone induced widespread visible injury, significantly reduced CO(2) assimilation and stomatal conductance (g(s)), impaired ... | 1 |
758,858 | A spatio-temporal downscaler for output from numerical models | Berrocal, VJ; Gelfand, AE; Holland, DM | 2,010 | Often, in environmental data collection, data arise from two sources: numerical models and monitoring networks. The first source provides predictions at the level of grid cells, while the second source gives measurements at points. The first is characterized by full spatial coverage of the region of interest, high temp... | 0 |
787,133 | Ozone exposition in relation to vitality in a fir (Abies religiosa (Kunth) Schltdl. & Cham) forest | Gonzalez-Medina, RE; Mendoza-Briseno, M; Alvarado-Rosales, D | 2,010 | Tropospheric ozone has been suspected to cause poor vitality and occasional massive mortality in sacred fir (Abies religiosa (Kunth) Schltdl. & Cham) from Desierto de los Leones National Park, in Mexico City, Mexico, since 1980's. This work searches for empirical evidences of ozone effects on health indicators of natur... | 0 |
665,392 | Evidence of reactive iodine chemistry in the Arctic boundary layer | Mahajan, AS; Shaw, M; Oetjen, H; Hornsby, KE; Carpenter, LJ; Kaleschke, L; Tian-Kunze, X; Lee, JD; Moller, SJ; Edwards, P | 2,010 | Although it has recently been established that iodine plays an important role in the atmospheric chemistry of coastal Antarctica, where it occurs at levels which cause significant ozone (O3) depletion and changes in the atmospheric oxidising capacity, iodine oxides have not previously been observed conclusively in the ... | 1 |
647,084 | Effects of elevated atmospheric CO2 and tropospheric O3 on tree branch growth and implications for hydrologic budgeting | Rhea, L; King, J; Kubiske, M; Saliendra, N; Teclaw, R | 2,010 | The forest hydrologic budget may be impacted by increasing CO2 and tropospheric O-3. Efficient means to quantify such effects are beneficial. We hypothesized that changes in the balance of canopy interception, stem flow, and through-fall in the presence of elevated CO2 and O-3 could be discerned using image analysis of... | 1 |
697,106 | Ozone uptake by citrus trees exposed to a range of ozone concentrations | Fares, S; Park, JH; Ormeno, E; Gentner, DR; Mckay, M; Loreto, F; Karlik, J; Goldstein, AH | 2,010 | The Citrus genus includes a large number of species and varieties widely cultivated in the Central Valley of California and in many other countries having similar Mediterranean climates. In the summer, orchards in California experience high levels of tropospheric ozone, formed by reactions of volatile organic compounds... | 0 |
383,972 | Prediction of ozone-induced lung function responses in humans | McDonnell, WF; Stewart, PW; Smith, MV | 2,010 | The main purpose of this study was to evaluate the ability of a human exposure-response model, which describes ozone-induced changes in forced expiratory volume in 1 second (FEV1) across a wide range of dynamic exposure conditions, to predict responses in independent data. We first conducted an n-fold cross-validation ... | 1 |
596,474 | Emissions of biogenic VOC from forest ecosystems in central Europe: Estimation and comparison with anthropogenic emission inventory | Zemankova, K; Brechler, J | 2,010 | This paper describes a method of estimating emission fluxes of biogenic volatile organic compounds (BVOCs) based on the approach proposed by Guenther et al. (1995) and the high-resolution Corine land-cover 2000 database (1 x 1 km resolution). The computed emission fluxes for the Czech Republic (selected for analysis as... | 0 |
102,180 | Spatial heterogeneity confounded ozone-exposure experiment in semi-natural grassland | Stampfli, A; Fuhrer, J | 2,010 | Interpretation of observations from manipulative experiments is often complicated by a multitude of uncontrolled processes operating at various spatial and temporal scales. As such processes may differ among experimental plots there is a risk that effects of experimental treatments are confounded. Here we report on a f... | 1 |
102,177 | Leaf phenolic compounds in red clover (Trifolium pratense L.) induced by exposure to moderately elevated ozone | Saviranta, NMM; Julkunen-Tiitto, R; Oksanen, E; Karjalainen, RO | 2,010 | Red clover (Trifolium pratense L), an important feed crop in many parts of the world, is exposed to elevated ozone over large areas. Plants can limit ozone-induced damages by various defence mechanisms. In this work, changes in the concentrations of antioxidant phenolic compounds induced by slightly elevated levels of ... | 1 |
2,096,404 | Global atmospheric model for mercury including oxidation by bromine atoms | Holmes, CD; Jacob, DJ; Corbitt, ES; Mao, J; Yang, X; Talbot, R; Slemr, F | 2,010 | Global models of atmospheric mercury generally assume that gas-phase OH and ozone are the main oxidants converting Hg-0 to Hg-II and thus driving mercury deposition to ecosystems. However, thermodynamic considerations argue against the importance of these reactions. We demonstrate here the viability of atomic bromine (... | 0 |
696,813 | Plant and soil microbial biomasses in Agrostis capillaris and Lathyrus pratensis monocultures exposed to elevated O3 and CO2 for three growing seasons | Manninen, S; Aaltonen, H; Kanerva, T; Ramo, K; Palojarvi, A | 2,010 | Elevated CO2 usually promotes plant growth, whereas elevated O-3 often has a negative effect, especially on root biomass. Thus both these gases can indirectly affect the soil microbial community. We exposed Agrostis capillaris and Lathyrus pratensis to realistic levels of O-3 (40-50 ppb) and CO2 (ambient air + 100 ppm)... | 0 |
644,272 | Cyclic environmental factors only partially explain the seasonal variability of photoprotection and physiology in two mosses from an unforested headwater stream | Nunez-Olivera, E; Otero, S; Tomas, R; Fabon, G; Martinez-Abaigar, J | 2,010 | We studied the relationships between environmental variables and the physiology of two (semi-)aquatic mosses (Bryum pseudotriquetrum and Fontinalis antipyretica) in an unforested headwater stream over a three year period. Neither environmental or physiological variables showed significant interannual variations. Most e... | 0 |
785,553 | Chemical kinetics and photochemical data for use in atmospheric studies: Evaluation number 16 - Supplement to evaluation 15: Update of key reactions | null | 2,010 | null | 0 |
625,424 | Transcriptional signatures in leaves of adult European beech trees (Fagus sylvatica L.) in an experimentally enhanced free air ozone setting | Olbrich, M; Gerstner, E; Bahnweg, G; Haberle, KH; Matyssek, R; Welzl, G; Heller, W; Ernst, D | 2,010 | Tropospheric ozone causes severe oxidative stress in plants. To investigate the transcriptional responsiveness of adult trees to ozone, fully-expanded sun and shade leaves of mature beech trees were harvested at four time points over the entire vegetation period in 2005 and 2006. Microarray analyses were conducted on l... | 1 |
567,354 | Nitrogen mediates above-ground effects of ozone but not below-ground effects in a rhizomatous sedge | Jones, MLM; Hodges, G; Mills, G | 2,010 | Ozone and atmospheric nitrogen are co-occurring pollutants with adverse effects on natural grassland vegetation. Plants of the rhizomatous sedge Carex arenaria were exposed to four ozone regimes representing increasing background concentrations (background-peak): 10-30, 35-55, 60-80 and 85-105A ppb ozone at two nitroge... | 1 |
102,155 | Geostatistics as a validation tool for setting ozone standards for durum wheat | De Marco, A; Screpanti, A; Paoletti, E | 2,010 | Which is the best standard for protecting plants from ozone? To answer this question, we must validate the standards by testing biological responses vs. ambient data in the field. A validation is missing for European and USA standards, because the networks for ozone, meteorology and plant responses are spatially indepe... | 0 |
628,517 | Seasonal variations in adaptational strategies of Beta vulgaris L. plants in response to ambient air pollution: Biomass allocation, yield and nutritional quality | Tiwari, S; Agrawal, M; Marshall, FM | 2,010 | Seasonal variations and effects of ambient air pollutants on palak (Beta vulgaris
L. var. Allgreen) plants were investigated with respect to root, shoot length, number of leaves plant-1, leaf area and root and shoot biomass at a suburban site situated in dry tropical area of India, experiencing elevated levels of ambie... | 0 |
580,435 | Tree and stand growth of mature Norway spruce and European beech under long-term ozone fumigation | Pretzsch, H; Dieler, J; Matyssek, R; Wipfler, P | 2,010 | In a 50- to 70-year-old mixed stand of Norway spruce (Picea abies (L.) Karst.) and European beech (Fagus sylvatica L.) in Germany, tree cohorts have been exposed to double ambient ozone (2??O3) from 2000 through 2007 and can be compared with trees in the same stand under the ambient ozone regime (1??O3). Annual diamete... | 1 |
626,810 | Belowground effects of enhanced tropospheric ozone and drought in a beech/spruce forest (Fagus sylvatica L./Picea abies [L.] Karst) | Nikolova, PS; Andersen, CP; Blaschke, H; Matyssek, R; Haberle, KH | 2,010 | The effects of experimentally elevated O(3) on soil respiration rates, standing fine-root biomass, fine-root production and delta(13)C signature of newly produced fine roots were investigated in an adult European beech/Norway spruce forest in Germany during two subsequent years with contrasting rainfall patterns. Durin... | 1 |
647,086 | Leaf size and surface characteristics of Betula papyrifera exposed to elevated CO2 and O-3 | Riikonen, J; Percy, KE; Kivimaenpaa, M; Kubiske, ME; Nelson, ND; Vapaavuori, E; Karnosky, DF | 2,010 | Betula papyrifera trees were exposed to elevated concentrations of CO2(1.4 x ambient), O-3(1.2 x ambient) or CO2 + O-3 at the Aspen Free-air CO2 Enrichment Experiment. The treatment effects on leaf surface characteristics were studied after nine years of tree exposure. CO2 and O-3 increased epidermal cell size and redu... | 0 |
598,248 | Foliar responses to ozone of Fagus sylvatica L. seedlings grown in shaded and in full sunlight conditions | Cascio, C; Schaub, M; Novak, K; Desotgiu, R; Bussotti, F; Strasser, RJ | 2,010 | Ozone (O3) is well known to affect photosynthesis on tree seedlings under experimental conditions. In natural conditions, young trees grow under a competitive environment that may alter light availability. Such conditions were simulated in an open-top chamber (OTC) experiment carried out in Southern Switzerland (Lattec... | 0 |
381,920 | SCH527123, a novel CXCR2 antagonist, inhibits ozone-induced neutrophilia in healthy subjects | Holz, O; Khalilieh, S; Ludwig-Sengpiel, A; Watz, H; Stryszak, P; Soni, P; Tsai, M; Sadeh, J; Magnussen, H | 2,010 | SCH527123 is a novel, selective CXC chemokine receptor 2 antagonist that inhibits neutrophil activation and modulates neutrophil trafficking in animal models, characteristics that may be beneficial in the treatment of conditions with unbalanced pulmonary neutrophilia, such as chronic obstructive pulmonary disease. The ... | 0 |
647,068 | Spring leaf flush in aspen (Populus tremuloides) clones is altered by long-term growth at elevated carbon dioxide and elevated ozone concentration | Mcgrath, JM; Karnosky, DF; Ainsworth, EA | 2,010 | Early spring leaf out is important to the success of deciduous trees competing for light and space in dense forest plantation canopies. In this study, we investigated spring leaf flush and how long-term growth at elevated carbon dioxide concentration ([CO2]) and elevated ozone concentration ([O-3]) altered leaf area in... | 0 |
201,561 | Modulation of ozone-sensitive genes in alpha-tocopherol transfer protein null mice | Vasu, VT; Oommen, S; Lim, Y; Valacchi, G; Hobson, B; Eiserich, JP; Leonard, SW; Traber, MG; Cross, CE; Gohil, K | 2,010 | Alpha-tocopherol transfer protein (ATTP) null mice (ATTP(-/-)) have a systemic alpha-tocopherol (AT) deficiency, with their lung AT levels being < 10% of those in AT-replete ATTP(+/+) mice when fed a standard rodent chow diet. ATTP(+/+) and ATTP(-/-) mice (4 wk old male mice, n = 16 per group) were fed a standard diet ... | 1 |
647,105 | Isoprene emission protects photosynthesis in sunfleck exposed Grey poplar | Behnke, K; Loivamaki, M; Zimmer, I; Rennenberg, H; Schnitzler, JP; Louis, S | 2,010 | In the present study, we combined transient temperature and light stress (sunfleck) and comparably analyzed photosynthetic gas exchange in Grey poplar which has been genetically modified in isoprene emission capacity. Overall, we demonstrate that for poplar leaves the ability to emit isoprene is crucial to maintain pho... | 0 |
689,191 | Possible changes to arable crop yields by 2050 | Jaggard KW; Qi A; Ober ES | 2,010 | By 2050, the world population is likely to be 9.1 billion,
the CO2 concentration 550 ppm, the ozone concentration 60 ppb and the climate warmer by ca 2
degrees C. In these conditions, what contribution can increased crop yield make to feeding the
world? CO2 enrichment is likely to increase yields of most crops by... | 0 |
733,105 | Inter- and intra-specific differences in the response of Chinese leafy vegetables to ozone | Zhao, Y; Bell, JNB; Wahid, A; Power, SA | 2,010 | The response to ozone (O3) of a range of Chinese leafy vegetables was investigated with respect to both inter- and intra-specific differences in sensitivity. In the interspecific experiment local Chinese cultivars of pak choi, rape, leaf mustard, leaf lettuce and coriander were fumigated with 90 ppb O3 for 9 h daily fo... | 0 |
674,771 | Evaluation of simulated photochemical partitioning of oxidized nitrogen in the upper troposphere | Henderson, BH; Pinder, RW; Crooks, J; Cohen, RC; Hutzell, WT; Sarwar, G; Goliff, WS; Stockwell, WR; Fahr, A; Mathur, R; Carlton, AG; Vizuete, W | 2,010 | Regional and global chemical transport models underpredict NOx (NO+NO2) in the upper troposphere where it is a precursor to the greenhouse gas ozone. The NOx bias been shown in model evaluations using aircraft data (Singh et al., 2007) and total column NO2 (molecules cm?2) from satellite observations (Napelenok et al.,... | 0 |
647,076 | Structural and physiological responses to ozone in Manna ash (Fraxinus ornus L.) leaves of seedlings and mature trees under controlled and ambient conditions | Paoletti, E; Contran, N; Bernasconi, P; Gunthardt-Goerg, MS; Vollenweider, P | 2,010 | null | 0 |
783,799 | The dependency of the size-growth relationship of Norway spruce (Picea abies [L.] Karst.) and European beech (Fagus sylvatica [L.]) in forest stands on long-term site conditions, drought events, and ozone stress | Pretzsch, H; Dieler, J | 2,010 | Against a backdrop of increasing climate change, the effects of site conditions, drought events and ozone stress on the size-growth relationship in Norway spruce (Picea abies [L.] Karst.) and European beech (Fagus sylvatica [L.]) stands are analyzed. The size-growth relationship is represented by a straight line define... | 0 |
783,952 | The EPA's human exposure research program for assessing cumulative risk in communities | Zartarian, VG; Schultz, BD | 2,010 | Communities are faced with challenges in identifying and prioritizing environmental issues, taking actions to reduce their exposures, and determining their effectiveness for reducing human health risks. Additional challenges include determining what scientific tools are available and most relevant, and understanding ho... | 1 |
689,593 | Does a simulated upland grassland community respond to increasing background, peak or accumulated exposure of ozone? | Hayes, F; Mills, G; Jones, L; Ashmore, M | 2,010 | Tropospheric ozone concentrations are increasing, which may result in elevated background concentrations at rural high-altitude sites. In this study simulated upland grassland communities containing seven species were exposed to ozone treatments in solardomes for 12 weeks in each of two consecutive summers. Ozone profi... | 0 |
647,055 | Stable isotope signatures reflect competitiveness between trees under changed CO2/O-3 regimes | Grams, TEE; Matyssek, R | 2,010 | Here we synthesize key findings from a series of experiments to gain new insight on inter-plant competition between juvenile beech (Fagus sylvatica) and spruce (Picea abies) under the influence of increased O-3 and CO2 concentrations. Competitiveness of plants was quantified and mechanistically interpreted as space-rel... | 0 |
644,198 | Effects of O3-FACE (ozone-free air control enrichment) on gas exchange and chlorophyll fluorescence of rice leaf | Liang, J; Zeng, Q; Zhu, JG; Zhu, CW; Cao, JL; Xie, ZB; Liu, G; Tang HY | 2,010 | O3-FACE (Ozone-free air control enrichment) platform has been established for observing the effect of elevated tropospheric ozone concentration on the gas exchange and chlorophyll fluorescence of two rice varieties (Wuyunjing 21 and Liangyoupeijiu). The results showed that high ozone concentration decreased the net pho... | 0 |
647,060 | Diurnal changes in photosynthetic parameters of Populus tremuloides, modulated by elevated concentrations of CO2 and/or O-3 and daily climatic variation | Kets, K; Darbah, JNT; Sober, A; Riikonen, J; Sober, J; Karnosky, DF | 2,010 | The diurnal changes in light-saturated photosynthesis (Pn) under elevated CO2 and/or O-3 in relation to stomatal conductance (g(s)), water potential, intercellular [CO2], leaf temperature and vapour-pressure difference between leaf and air (VPDL) were studied at the Aspen FACE site. Two aspen (Populus tremuloides Michx... | 0 |
644,123 | Anthropogenic transformation of the biomes, 1700 to 2000 [with supporting information] | Ellis, EC; Goldewijk, KK; Siebert, S; Lightman, D; Ramankutty, N | 2,010 | Aim? To map and characterize anthropogenic transformation of the terrestrial biosphere before and during the Industrial Revolution, from 1700 to 2000. Location? Global. Methods? Anthropogenic biomes (anthromes) were mapped for 1700, 1800, 1900 and 2000 using a rule-based anthrome classification model applied to gridded... | 0 |
758,864 | Characteristics of traffic-related emissions: A case study in roadside ambient air over Xi?an, China | Shen, Z | 2,010 | Traffic-related emissions were measured at a heavy-traffic roadside in Xi?an at the end of April, 2008 to survey the exposure levels of freshly emitted carbon monoxide (CO), mass and chemical composition (OC, EC, inorganic ions, and PAHs) of PM10, and ozone (O3). In general, high levels of mass concentration and chemic... | 0 |
380,256 | Depletion of the ozone layer in the 21st century | Dameris, M | 2,010 | null | 0 |
723,641 | Influence of iron plaque on accumulation of lead by yellow flag (Iris pseudacorus L.) grown in artificial Pb-contaminated soil | Zhong, S; Shi, J; Xu, J | 2,010 | The relationship between plant absorption and accumulation
of heavy metals and the effect of iron plaque on roots of wetland plants are unknown, especially
for plants grown in heavy metal-contaminated soil. This experiment was designed to study the
effects of iron addition on the formation of iron plaque in the r... | 0 |
626,975 | Role of inducible nitric oxide synthase in asthma risk and lung function growth during adolescence | Islam, T; Breton, C; Salam, MT; Mcconnell, R; Wenten, M; Gauderman, WJ; Conti, D; Van Den Berg, D; Peters, JM; Gilliland, FD | 2,010 | BACKGROUND: Inducible nitric oxide (NO) synthase (iNOS, encoded by NOS2A) produces NO in response to environmental stimuli, which can result in nitrosative stress. Because nitrosative stress affects respiratory health, it was hypothesised that variants in NOS2A are associated with asthma incidence and lung function gro... | 0 |
379,846 | Residential mobility during pregnancy and the potential for ambient air pollution exposure misclassification | Chen, L; Bell, EM; Caton, AR; Druschel, CM; Lin, S | 2,010 | Studies of environmental exposures and adverse birth outcomes often rely on maternal address at birth obtained from the birth certificate to classify exposure. Although the gestational age of interest is often early pregnancy, maternal addresses are not available for women who move during pregnancy when using maternal ... | 0 |
783,776 | Biochemical analysis of enhanced tolerance in transgenic potato plants overexpressing d-galacturonic acid reductase gene in response to various abiotic stresses | Hemavathi; Upadhyaya, CP; Akula, N; Kim, HS; Jeon, JH; Ho, OM; Chun, SC; Kim, DH; Park, SW | 2,010 | Upregulation of the antioxidant enzyme system in plants provides protection against various abiotic stresses. Transgenic potato plants overexpressing the strawberry D-galacturonic acid reductase (GalUR) gene with enhanced accumulation of ascorbate (AsA) were used to study the antioxidant system involving the ascorbate-... | 0 |
594,281 | The effect of air pollution on marathon running performance | Marr, LC; Ely, MR | 2,010 | Prior to the 2008 Olympic Games, there was concern that air pollution in Beijing would affect the performance of marathon runners. Air pollutant concentrations during marathon running and their effect on performance have not been reported. Evidence suggests that the lung function of females may be more susceptible than... | 0 |
690,156 | Cellular and molecular characterization of ozone-induced pulmonary inflammation in the Cynomolgus monkey | Hicks, A; Kourteva, G; Hilton, H; Li, H; Lin, T; Liao, W; Li, Y; Wei, X; March, T; Benson, J; Renzetti, L | 2,010 | We investigated the cellular and molecular effects of ozone exposure in Cynomolgus monkeys. Thirty-six Cynomolgus monkeys were exposed to single or repeat ozone challenge. Pulmonary inflammation was assessed using bronchoalveolar lavage fluid (BAL) and histology. Gene expression profiling in lung and blood was performe... | 1 |
595,074 | Determinants of ozone fluxes and metrics for ozone risk assessment in plants | Fares, S; Goldstein, A; Loreto, F | 2,010 | Tropospheric ozone concentration is increasing and represents a threat to single plants and whole ecosystems. The deleterious ozone effects mainly occur when (i) ozone concentration in the air builds up; (ii) the pollutant enters the leaf through stomatal uptake, and (iii) ozone-produced reactive oxygen species are not... | 0 |
840,974 | Response to Hemmingsson, Horn and Linnarsson article "Measuring exhaled nitric oxide at high altitude" Resp. Physiol. Neurobiol. 167(3), 292-298 | Laskowski, D; Beall, CM; Dweik, R; Strohl, KP; Hutte, R; Erzurum, SC | 2,010 | null | 0 |
201,575 | Low-concentration ozone reacts with plasmalogen glycerophosphoethanolamine lipids in lung surfactant | Wynalda, KM; Murphy, RC | 2,010 | Ozone is a common environmental toxicant to which individuals are exposed to on a daily basis. While biochemical end points such as increased mortality, decrements in pulmonary function, and initiation of inflammatory processes are known, little is actually understood regarding the chemical mechanisms underlying change... | 0 |
690,168 | Impact of adiponectin deficiency on pulmonary responses to acute ozone exposure in mice | Zhu, M; Hug, C; Kasahara, D; Johnston, R; Williams, A; Verbout, N; Si, H; Jastrab, J; Srivastava, A; Williams, E; Ranscht, B; Shore, S | 2,010 | Obese mice have increased responses to acute ozone (O(3)) exposure. T-cadherin is a binding protein for the high-molecular weight isoforms of adiponectin, an anti-inflammatory hormone that declines in obesity. The objective of the present study was to determine whether adiponectin affects pulmonary responses to O(3), a... | 0 |
554,095 | Levels, chemical composition and sources of fine aerosol particles (PM1) in an area of the Mediterranean basin | Caggiano, R; Macchiato, M; Trippetta, S | 2,010 | Daily samples of fine aerosol particles (i.e., PM1, aerosol particles with an aerodynamic diameter less than 1.0mum) were collected in Tito Scalo - Southern Italy - from April 2006 to March 2007. Measurements were performed by means of a low-volume gravimetric sampler, and each PM1 sample was analyzed by means of Induc... | 0 |
647,042 | Will photosynthetic capacity of aspen trees acclimate after long-term exposure to elevated CO2 and O-3? | Darbah, JNT; Kubiske, ME; Nelson, N; Kets, K; Riikonen, J; Sober, A; Rouse, L; Karnosky, DF | 2,010 | Photosynthetic acclimation under elevated carbon dioxide (CO2) and/or ozone (O-3) has been the topic of discussion in many papers recently. We examined whether or not aspen plants grown under elevated CO2 and/or O-3 will acclimate after 11 years of exposure at the Aspen Face site in Rhinelander, WI, USA. We studied diu... | 0 |
647,109 | Gene expression responses of paper birch (Betula papyrifera) to elevated CO2 and O-3 during leaf maturation and senescence | Kontunen-Soppela, S; Parviainen, J; Ruhanen, H; Brosche, M; Keinanen, M; Thakur, RC; Kolehmainen, M; Kangasjarvi, J; Oksanen, E; Karnosky, DF; Vapaavuori, E | 2,010 | Gene expression responses of paper birch (Betula papyrifera) leaves to elevated concentrations of CO2 and O-3 were studied with microarray analyses from three time points during the summer of 2004 at Aspen FACE. Microarray data were analyzed with clustering techniques, self-organizing maps. K-means clustering and Sammo... | 0 |
387,219 | Spatial analysis of heat-related mortality among the elderly between 1993 and 2004 in Sydney, Australia | Vaneckova, P; Beggs, PJ; Jacobson, CR | 2,010 | This study analyzed the geographical patterns of heat-related mortality among the population aged 65 and over within the metropolitan area of Sydney, Australia between 1993 and 2004, and evaluated the role of some physical and socio-demographic risk factors associated with it. The effect of temperature on all-cause mor... | 0 |
644,292 | Growth and photosynthetic response of Fagus crenata seedlings to ozone and/or elevated carbon dioxide | Watanabe, M; Umemoto-Yamaguchi, M; Koike, T; Izuta, T | 2,010 | We investigated the effects of ozone (O-3) and/or elevated CO2 concentration ([CO2]) on growth and photosynthetic traits of Fagus crenata seedlings. Two-year-old seedlings were grown in four experimental treatments comprising two O-3 treatments (charcoal-filtered air and 100 nmol mol(-1) O-3; 6 h/day, 3 days/week) in c... | 0 |
647,072 | Elevated CO2 response of photosynthesis depends on ozone concentration in aspen | Noormets, A; Kull, O; Sober, A; Kubiske, ME; Karnosky, DF | 2,010 | The effect of elevated CO2 and 03 on apparent quantum yield (0), maximum photosynthesis (P-max), carboxylation efficiency (V-cmax) and electron transport capacity (J(max)) at different canopy locations was studied in two aspen (Populus tremuloides) clones of contrasting O-3 tolerance. Local light climate at every leaf ... | 0 |
578,059 | Ozone fumigation (twice ambient) reduces leaf infestation following natural and artificial inoculation by the endophytic fungus Apiognomonia errabunda of adult European beech trees | Olbrich, M; Knappe, C; Wenig, M; Gerstner, E; Haberle, KH; Kitao, M; Matyssek, R; Stich, S; Leuchner, M; Werner, H; Schlink, K; Muller-Starck, G; Welzl, G; Scherb, H; Ernst, D; Heller, W; Bahnweg, G | 2,010 | In 2006, a controlled infection study was performed in the [`]Kranzberger Forst' to address the following questions: (1) Will massive artificial inoculation with Apiognomonia errabunda override the previously observed inhibitory effect of chronic ozone? (2) Can biochemical or molecular markers be detected to account fo... | 0 |
668,911 | A look into the invisible: Ultraviolet-B sensitivity in an insect (Caliothrips phaseoli) revealed through a behavioural action spectrum | Mazza, CA; Izaguirre, MM; Curiale, J; Ballare, CL | 2,010 | Caliothrips phaseoli, a phytophagous insect, detects and responds to solar ultraviolet-B radiation (UV-B; lambda <or= 315 nm) under field conditions. A highly specific mechanism must be present in the thrips visual system in order to detect this narrow band of solar radiation, which is at least 30 times less abundant t... | 1 |
598,245 | Drought, ozone, ABA and ethylene: New insights from cell to plant to community | Wilkinson, S; Davies, WJ | 2,010 | Recent reports show ethylene-dependent reductions in stomatal sensitivity to abscisic acid (ABA) under ozone stress. These changes reduce stomatal control of plant water loss in drying soil. Here we review evidence that ABA and ethylene, and interactions between these two stress-induced hormones, control many of the re... | 1 |
201,544 | Oxidative stress caused by ozone exposure induces loss of brain repair in the hippocampus of adult rats | Rivas-Arancibia, S; Guevara-Guzman, R; Lopez-Vidal, Y; Rodriguez-Martinez, E; Gomes, MZ; Angoa-Perez, M; Raisman-Vozari, R | 2,010 | Oxidative stress is involved in many neurodegenerative diseases. Chronic ozone exposure causes a secondary increase of reactive oxygen species, which cause an oxidative-stress state in the organism. Ozone is one of the main components of photochemical pollution. Our purpose was to test that oxidative stress caused by c... | 1 |
699,419 | Air quality warnings and outdoor activities: Evidence from Southern California using a regression discontinuity design | Neidell, M | 2,010 | Background A study was undertaken to assess the impact of air quality warnings associated with ground-level ozone on outdoor activities in Southern California. Methods Data on aggregate daily attendance at two major outdoor facilities were collected and merged with observed and forecasted air quality and meteorology a... | 1 |
597,948 | Ambient air pollution and risk of congenital anomalies in England, 1991-1999 | Dolk, H; Armstrong, B; Lachowycz, K; Vrijheid, M; Rankin, J; Abramsky, L; Boyd, PA; Wellesley, D | 2,010 | Objectives To investigate whether there is an association between risk of congenital anomaly and annual ward level exposure to air pollution in England during the 1990s.
Methods: A geographical study was conducted across four regions of England using population-based congenital anomaly registers, 1991e1999. Exposure wa... | 0 |
644,291 | Risk assessment of ozone impact on the carbon absorption of Japanese representative conifers | Watanabe, M; Matsuo, N; Yamaguchi, M; Matsumura, H; Kohno, Y; Izuta, T | 2,010 | A risk assessment of ozone (O-3) impact on the annual carbon absorption (ACA) of Japanese representative conifers was conducted based on the results of an experimental study, monitoring data of oxidant concentrations and vegetation surveys. The areas with high O-3-induced reduction in ACA did not necessarily correspond... | 0 |
647,106 | Response and potential of agroforestry crops under global change | Calfapietra, C; Gielen, B; Karnosky, D; Ceulemans, R; Mugnozza, GS | 2,010 | The use of agroforestry crops is a promising tool for reducing atmospheric carbon dioxide concentration through fossil fuel substitution. In particular, plantations characterised by high yields such as short rotation forestry (SRF) are becoming popular worldwide for biomass production and their role acknowledged in the... | 0 |
385,070 | Variability of springtime transpacific pollution transport during 2000-2006: the INTEX-B mission in the context of previous years | Pfister, GG; Emmons, LK; Edwards, DP; Arellano, A; Sachse, G; Campos, T | 2,010 | We analyze the transport of pollution across the Pacific during the NASA INTEX-B (Intercontinental Chemical Transport Experiment Part B) campaign in spring 2006 and examine how this year compares to the time period for 2000 through 2006. In addition to aircraft measurements of carbon monoxide (CO) collected during INTE... | 0 |
651,824 | Vitamin D production after UVB exposure depends on baseline vitamin D and total cholesterol but not on skin pigmentation | Bogh, MK; Schmedes, AV; Philipsen, PA; Thieden, E; Wulf, HC | 2,010 | UVB radiation increases serum vitamin D level expressed as 25-hydroxyvitamin-D(3) (25(OH)D), but the influence of skin pigmentation, baseline 25(OH)D level, and total cholesterol has not been well characterized. To determine the importance of skin pigmentation, baseline 25(OH)D level, and total cholesterol on 25(OH)D p... | 0 |
385,020 | Enhanced death signaling in ozone-exposed ischemic-reperfused hearts | Perepu, RS; Garcia, C; Dostal, D; Sethi, R | 2,010 | Although numerous advancements made in the field of human health have resulted in reduced deaths due to cardiovascular diseases (CVD), many patients with cardiac disease show no established risk. Therefore, other unknown factors may be responsible for the pathophysiology of CVD. Out of 350,000 sudden cardiac deaths eac... | 1 |
384,513 | Long-term exposure to ambient air pollution and risk of hospitalization with community-acquired pneumonia in older adults | Neupane, B; Jerrett, M; Burnett, RT; Marrie, T; Arain, A; Loeb, M | 2,010 | Rationale: Little is known about the long-term effects of air pollution on pneumonia hospitalization in the elderly.
Objectives: To assess the effect of long-term exposure to ambient nitrogen dioxide, sulfur dioxide, and fine particulate matter with diameter equal to or smaller than 2.5 ?m (PM2.5) on hospitalization f... | 0 |
785,561 | An overview of measurement method tools available to communities for conducting exposure and cumulative risk assessments | Medina-Vera, M; Van Emon, JM; Melnyk, LJ; Bradham, KD; Harper, SL; Morgan, JN | 2,010 | Community-based programs for assessing and mitigating environmental risks represent a challenge to participants because each brings a different level of understanding of the issues affecting the community. These programs often require the collaboration of several community sectors, such as community leaders, local gove... | 0 |
385,852 | An examination of exposure measurement error from air pollutant spatial variability in time-series studies | Sarnat, SE; Klein, M; Sarnat, JA; Flanders, WD; Waller, LA; Mulholland, JA; Russell, AG; Tolbert, PE | 2,010 | Relatively few studies have evaluated the effects of heterogeneous spatiotemporal pollutant distributions on health risk estimates in time-series analyses that use data from a central monitor to assign exposures. We present a method for examining the effects of exposure measurement error relating to spatiotemporal vari... | 1 |
102,156 | Elevated atmospheric carbon dioxide and ozone alter soybean diseases at SoyFACE | Eastburn, DM; Degennaro, MM; Delucia, EH; Dermody, O; Mcelrone, AJ | 2,010 | Human driven changes in the Earth's atmospheric composition are likely to alter plant disease in the future. We evaluated the effects of elevated carbon dioxide (CO2) and ozone (O-3) on three economically important soybean diseases (downy mildew, Septoria brown spot and sudden death syndrome-SDS) under natural field co... | 0 |
667,602 | N2O emission in relation to plant and soil properties and yield of rice varieties | Baruah, KK; Gogoi, B; Gogoi, P; Gupta, PK | 2,010 | Nitrous oxide (N2O) is a major greenhouse gas contributing to global warming. Rainfed rice fields are considered to be a notable source of atmospheric N2O emission. To investigate the dynamics of N2O emission and the relationship of plant and soil properties with emission of N2O in rice, a field experiment was conducte... | 0 |
689,564 | Modelling of actual evapotranspiration in open top chambers (OTC) at daily and seasonal scale: Multi-annual validation on soybean in contrasted conditions of water stress and air ozone concentration | Katerji, N; Rana, G; Mastrorilli, M | 2,010 | The present study describes an analytical model, based on
the Penman-Monteith equation, for estimating the daily evapotranspiration (ET) inside open top
chambers (OTCs). It includes two functions, making it possible to separately take into account
the effects of water stress and of high concentrations of air ozon... | 0 |
2,251,965 | Comparative utility of selected frameworks for regionalizing fish-based bioassessments across the United States | Frimpong, EA; Angermeier, PL | 2,010 | Regional frameworks for bioassessment are necessary to stratify natural geographic variation in biotic assemblages and to calibrate bioassessment metrics and indices. In the United States, alternative frameworks have not been evaluated over large geographic extents (nationwide or continent-wide) or compared with neutra... | 0 |
647,063 | Structural responses of Platanus orientalis L. leaves to elevated CO2 concentration and high temperature | Koleva, D; Stefanova, M; Ganeva, TS; Velikova, V; Tsonev, TS; Loreto, FR | 2,010 | Anatomical structure of the leaves and the leaf surface of two-year-old Platanus orientalis L. plants after treatment with elevated CO2 (800 ppm) and high temperature (38 degrees C for 4 h) were studied. Light microscopy analysis (LM) revealed that the examined stress factors have the strongest effect on the photosynth... | 0 |
664,498 | Black carbon semi-direct effects on cloud cover: Review and synthesis | Koch, D; Del Genio, AD | 2,010 | Absorbing aerosols (AAs) such as black carbon (BC) or dust absorb incoming solar radiation, perturb the temperature structure of the atmosphere, and influence cloud cover. Previous studies have described conditions under which AAs either increase or decrease cloud cover. The effect depends on several factors, including... | 0 |
666,357 | The lectin-like oxidized low-density lipoprotein receptor-1 and its soluble form: cardiovascular implications | Navarra, T; Del Turco, S; Berti, S; Basta, G | 2,010 | The lectin-like oxidized low density lipoprotein receptor-1 (LOX-1) is a multiligand receptor, whose repertoire of ligands includes oxidized low-density lipoprotein, advanced glycation endproducts, platelets, neutrophils, apoptotic/aged cells and bacteria. Sustained expression of LOX-1 by critical target cells, includi... | 0 |
378,448 | TIGHTER STANDARD FOR NO2 AIR POLLUTION | null | 2,010 | null | 0 |
684,211 | National Ambient Air Quality Standards for Ozone (Proposed Rule) | null | 2,010 | null | 0 |
785,560 | Mobile Air Quality Studies (MAQS)-an international project | Groneberg, DA; Scutaru, C; Lauks, M; Takemura, M; Fischer, TC; Kolzow, S; van Mark, A; Uibel, S; Wagner, U; Vitzthum, K; Beck, F; Mache, S; Kreiter, C; Kusma, B; Friedebold, A; Zell, H; Gerber, A; Bock, J; Al-Mutawakl, K; Donat, J; Geier, MV; Pilzner, C; Welker, P; Joachim, R; Bias, H; Gotting, M; Sakr, M; Addicks, JP;... | 2,010 | Due to an increasing awareness of the potential hazardousness of air pollutants, new laws, rules and guidelines have recently been implemented globally. In this respect, numerous studies have addressed traffic-related exposure to particulate matter using stationary technology so far. By contrast, only few studies used ... | 0 |
684,074 | Long-term biomonitoring of lichen and bryophyte biodiversity at Burnham Beeches SAC and global environmental change | Purvis, OW; Tittley, I; Chimonides, PDJ; Bamber, R; Hayes, PA; PW James; Rumsey, FJ; Read, H | 2,010 | Long-term monitoring began 20 years ago at Burnham Beeches Site of Special Interest (SSSI), National Nature Reserve (NNR) and European Special Area of Conservation (SAC) lying 40 km west of London as a consequence of the authorization of an application to extract gravel from an adjacent site lying north of Slough Tradi... | 0 |
644,275 | Olfactory preferences of popillia japonica, Vanessa cardui, and Aphis glycines for Glycine max grown under elevated CO2 | O'Neill, BF; Zangerl, AB; Delucia, EH; Berenbaum, MR | 2,010 | Levels of atmospheric CO2 have been Increasing steadily over the last century and are projected to increase even mote dramatically in the future. Soybeans (Glycine max L) grown under elevated levels of CO2, have larger herbivore populations than soybeans grown under ambient levels of CO2. Increased abundance could lefl... | 0 |
644,266 | The impact of ambient ozone on mountain spruce forests in the Czech Republic as indicated by malondialdehyde | Hunova, I; Novotny, R; Uhlirova, H; Vrablik, T; Horalek, J; Lomsky, B; Sramek, V | 2,010 | Malondialdehyde (MDA), a product of lipid peroxidation and biomarker of oxidative stress, is measured over the long term in spruce Picea abies needles under real conditions in three Czech mountain border areas. The trends presented collate the MDA content in spruce needles with ambient ozone, temperature and precipitat... | 0 |
102,158 | Ozone exposure during growth affects the feeding value of rice shoots | Frei, M; Makkar, HPS; Becker, K; Wissuwa, M | 2,010 | Rising tropospheric ozone concentrations have been observed in many Asian countries in recent years. Ozone pollution reduces the yield of agricultural crops but may also affect crop quality. This study aimed at estimating the effect of ozone exposure on feeding quality of rice shoots for ruminant herbivores. Rice plant... | 0 |
733,103 | Natural antioxidants of plant origin against ozone damage of sensitive crops | Didyk, NP; Blum, OB | 2,010 | The increasing concentrations of ambient ozone observed during recent decades in many industrial and rural regions of the world present hazard for vegetation and human health. The problem of protection of sensitive vegetation from ozone damage could be ameliorated by replacement of sensitive biotypes with more tolerant... | 0 |
667,819 | GOMOS O-3, NO2, and NO3 observations in 2002-2008 | Kyrola, E; Tamminen, J; Sofieva, V; Bertaux, JL; Hauchecorne, A; Dalaudier, F; Fussen, D; Vanhellemont, F; D'Andon, OF; Barrot, G; Guirlet, M; Fehr, T; de Miguel, LS | 2,010 | The Global Ozone Monitoring by Occultation of Stars (GOMOS) instrument onboard the European Space Agency's ENVISAT satellite measures ozone, NO2, NO3, H2O, O-2, and aerosols using the stellar occultation method. Global coverage, good vertical resolution and the self-calibrating measurement method make GOMOS observation... | 0 |
2,992,016 | Wildland fire and the wilderness visitor experience | Schroeder, SL; Schneider, IE | 2,010 | null | 0 |
663,706 | Seasonal ozone behavior along an elevation gradient in the Colorado Front Range Mountains | Brodin, M; Helmig, D; Oltmans, S | 2,010 | Ambient surface ozone was monitored for one year at a series of seven sites along an elevation gradient from 1600 m to 3500 m above sea level (ASL) in Boulder County, Colorado. Spatial variability of ozone, quantified as the root mean squared deviation of hourly ozone per kilometer horizontal separation, decreased with... | 0 |
697,105 | Threat to food security under current levels of ground level ozone: A case study for Indian cultivars of rice | Rai, R; Agrawal, M; Agrawal, SB | 2,010 | A higher ozone concentration in rural agricultural region poses threat to food production in developing countries. The present study was conducted to evaluate the growth, biomass accumulation and allocation pattern, quantitative and qualitative characteristics of grains for two tropical rice cultivars (Oryza sativa L c... | 0 |
697,228 | Vitamin D Production after UVB Exposure Depends on Baseline Vitamin D and Total Cholesterol but Not on Skin Pigmentation | Bogh, MKB; Schmedes, AV; Philipsen, PA; Thieden, E; Wulf, HC | 2,010 | null | 0 |
785,558 | Measurement of Ozone Production Sensor | Cazorla, M; Brune, WH | 2,010 | A new ambient air monitor, the Measurement of Ozone Production Sensor (MOPS), measures directly the rate of ozone production in the atmosphere. The sensor consists of two 11.3 L environmental chambers made of UV-transmitting Teflon film, a unit to convert NO2 to O3, and a modified ozone monitor. In the sample chamber, ... | 0 |
698,876 | Sensitivity and photosynthetic response of indoor plant species to ozone exposure duration | Jung, SI; ParkSA; Kim, MJ; Son, KC; Kim, PG; Lee, JC; Kays, SJ | 2,010 | This study was conducted to determine the effect of ozone in eight species of indoor foliage plants (Cissus rhombifolia Vahl, Hedera helix L., Spathiphyllum wallisii Regel, Syngonium podophyllum Schott `Albo-Virens?, Dieffenbachia `Marrianne?, Ficus benjamina L. `Hawaii?, Pachira aquatica Aubl., and Scindapsus aureus E... | 0 |
644,193 | Photosynthesis, antioxidant enzyme, and anatomical difference of sedum kamtschaticum and hosta longipes to ozone | Cheng, HC; Woo, SY; Lee, SH; Baek SG | 2,010 | The objective of this study was to identify the effects of ozone on the two species in controlled environment. Sedum kamtschaticum and Hosta longipes were exposed in both control and ozone chamber to investigate photosynthesis, antioxidant enzyme activity, visible damage, the number and the size of stomata and the plas... | 0 |
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