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 |
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42,847 | Ecological effects of nitrogen deposition in the western United States | Fenn, ME; Baron, JS; Allen, EB; Rueth, HM; Nydick, KR; Geiser, L; Bowman, WD; Sickman, JO; Meixner, T; Johnson, DW; Neitlich, P | 2,003 | In the western United States vast acreages of land are exposed to low levels of atmospheric nitrogen (N) deposition, with interspersed hotspots of elevated N deposition downwind of large, expanding metropolitan centers or large agricultural operations. Biological response studies in western North America demonstrate th... | 0 |
770,836 | New international long-term ecological research on air pollution effects on the Carpathian Mountain forests, Central Europe | Bytnerowicz, A; Badea, O; Barbu, I; Fleischer, P; Fraczek, W; Gancz, V; Godzik, B; Grodzinska, K; Grodzki, W; Karnosky, D; Koren, M; Krywult, M; Krzan, Z; Longauer, R; Mankovska, B; Manning, WJ; Mcmanus, M; Musselman, RC; Novotny, J; Popescu, F; Postelnicu, D; Prus-Glowacki, W; Skawinski, P; Skiba, S; Szaro, R; Tamas, ... | 2,003 | An international cooperative project on distribution of ozone in the Carpathian Mountains, Central Europe was conducted from 1997 to 1999. Results of that project indicated that in large parts of the Carpathian Mountains, concentrations of ozone were elevated and potentially phytotoxic to forest vegetation. That study ... | 0 |
57,515 | Human papillomavirus and skin cancer | Pfister, H | 2,003 | A high prevalence of human papillomavirus (HPV) DNA, particularly in squamous cell skin carcinoma of immunosuppressed but also of immunocompetent patients, has renewed great interest in a possible etiologic role of HPV in nonmelanoma skin cancer. It is difficult, however, to interpret these findings against a backgroun... | 0 |
55,432 | Future directions in air quality research: economic issues | Adams, RM; Horst, RL, Jr | 2,003 | #Our challenge was to address future directions in air quality research that involve economic issues. The paper outlines the role of economics in the evaluation of air pollution impacts on environmental systems and describes existing research. We identify studies that address economic effects in the agricultural sector... | 0 |
57,450 | Ozone profile differences between Europe and New Zealand: effects on surface UV irradiance and its estimation from satellite sensors | Mckenzie, R; Smale, D; Bodeker, G; Claude, H | 2,003 | Substantial differences in summertime surface UV irradiance between New Zealand and Europe have been reported previously. The main contributors to these differences are differences in total column ozone, differences in Sun-Earth separation between the Southern Hemisphere summer (December/January) and the Northern Hemis... | 0 |
51,881 | Atmospheric degradation of volatile organic compounds | Atkinson, R; Arey, J | 2,003 | Volatile organic compounds (VOCs) are emitted into the atmosphere from anthropogenic and biogenic sources1-5 and may also be formed in situ in the atmosphere as products of the atmospheric transformations of other VOCs. On a worldwide basis, emission of VOCs from biogenic sources (mainly vegetation) dominates, with est... | 0 |
88,729 | Ecological issues related to N deposition to natural ecosystems: research needs | Adams, MB | 2,003 | #There has and continues to be concern about the effects of elevated nitrogen (N) deposition on natural ecosystems. In this paper, research on natural ecosystems, including wetlands, heathlands, grasslands, steppe, naturally regenerated forests and deserts, is evaluated to determine what is known about nitrogen cycling... | 0 |
54,478 | Genetic control of the innate immune response | Wells, CA; Ravasi, T; Faulkner, GJ; Carninci, P; Okazaki, Y; Hayashizaki, Y; Sweet, M; Wainwright, BJ; Hume, DA | 2,003 | #BACKGROUND: Susceptibility to infectious diseases is directed, in part, by the interaction between the invading pathogen and host macrophages. This study examines the influence of genetic background on host-pathogen interactions, by assessing the transcriptional responses of macrophages from five inbred mouse strains ... | 0 |
36,627 | Ozone and natural systems: understanding exposure, response, and risk | Laurence, JA; Andersen, CP | 2,003 | U.S. Environmental Protection Agency. #Research aimed at understanding the response of plants to ozone has been conducted for over four decades but little of it has addressed intact natural systems. Even so, there is sufficient scientific information at this time to support air quality standards that will protect natur... | 0 |
57,121 | Rising trends in the incidence of and mortality from cutaneous melanoma in the Netherlands: a Northwest to Southeast gradient? | De Vries E Schouten, LJ; Visser, O; Eggermont, AMM; Coebergh, JW | 2,003 | The aim of this study was to determine characteristics of the trends in incidence of and mortality from cutaneous malignant melanoma in The Netherlands. We used incidence data from the Netherlands Cancer Registry since 1989 and the causes of death registry of Statistics Netherlands since 1950. Data were age-adjusted an... | 0 |
55,218 | Ecological issues related to ozone: agricultural issues | Fuhrer, J; Booker, F | 2,003 | Research on the effects of ozone on agricultural crops and agro-ecosystems is needed for the development of regional emission reduction strategies, to underpin practical recommendations aiming to increase the sustainability of agricultural land management in a changing environment, and to secure food supply in regions ... | 0 |
2,251,960 | Down by the riverside: urban riparian ecology | Groffman, PM; Bain, DJ; Ban, LE; Belt, KT; Brush, GS; Grove, JM; Pouyat, RV; Yesilonis, IC; Zipperer, WC | 2,003 | Riparian areas are hotspots of interactions between plants, soil, water, microbes, and people. While urban land use change has been shown to have dramatic effects on watershed hydrology, there has been surprisingly little analysis of its effects on riparian areas. Here we examine the ecology of urban riparian zones, fo... | 0 |
56,116 | Mortality among residents of 90 cities | Dominici, F; McDermott, A; Daniels, M; Zeger, SL; Samet, JM | 2,003 | This report presents findings from updated analyses of data from 90 US cities assembled for the National Morbidity, Mortality and Air Pollution Study (NMMAPS*). The data were analyzed with a generalized additive model (GAM) using the gam function in S-Plus (with default convergence criteria previously used and with mor... | 0 |
108,882 | Measurement of hydroperoxides and ozone in Oku-Nikko area | Takami, A; Shiratori, N; Yonekura, H; Hatakeyama, S | 2,003 | Hydroperoxides were measured at the Oku-Nikko observation station, which is situated at the foot of mountains where severe forest decline was observed. Hydrogen peroxides (H2O2) showed a diurnal variation with the maximum mixing ratio of 1.6 ppbv. The concentration of H2O2 was high in the daytime and low at night. The ... | 0 |
54,532 | Effect of acute ozone exposure on locomotor behavior and striatal function | Rivas-Arancibia, S; Dorado-Martinez, C; Colin-Barenque, L; Kendrick, KM; De la Riva, C; Guevara-Guzman, R | 2,003 | Ozone exposure, depending on the dose, is a noninvasive model of oxidative stress. The purpose of this work was to study striatal damage and cell death induced by oxidative stress. Sixty-three male Wistar rats were divided into two groups--Group 1: animals were exposed to an air stream free of ozone for 4 h; and Group ... | 0 |
50,477 | A study of air pollutants and acute asthma exacerbations in urban areas: status report | Luttinger, D; Wilson, L | 2,003 | A study to try to better understand the interactions between various air contaminants and acute asthma exacerbations is described. The study evaluates temporal associations between a panel of air contaminants and acute asthmatic exacerbations as measured by emergency room visits for asthma in communities in the Bronx a... | 0 |
53,000 | Impacts of elevated atmospheric CO2 on forest trees and forest ecosystems: knowledge gaps | Karnosky, DF | 2,003 | Atmospheric CO2 is rising rapidly, and options for slowing the CO2 rise are politically charged as they largely require reductions in industrial CO2 emissions for most developed countries. As forests cover some 43% of the Earth's surface, account for some 70% of terrestrial net primary production (NPP), and are being b... | 0 |
56,622 | High-resolution spatial analysis of stomatal ozone uptake in arable crops and pastures | Nussbaum, S; Remund, J; Rihm, B; Mieglitz, K; Gurtz, J; Fuhrer, J | 2,003 | #Ozone effects on plants depend on atmospheric transport and stomatal uptake. Thus, ozone-risk assessments should use measured ozone concentrations and account for the influence of atmospheric conditions and soil moisture on stomatal and nonstomatal ozone deposition. This requires disaggregated data for the physical in... | 0 |
53,740 | Emissions reductions as a result of automobile improvement | Pokharel, SS; Bishop, GA; Stedman, DH | 2,003 | #Remote sensing of light duty vehicle on-road tailpipe exhaust has been used to measure on-road mass emissions of automobile fleets in Denver for 13 years and in two other U.S. cities for 5 years. Analysis of these fleets shows that newer automobiles, during a period of fairly constant new car standards, have become co... | 1 |
20,530 | Effects of elevated carbon dioxide and ozone on the phytochemistry of aspen and performance of an herbivore | Kopper, BJ; Lindroth, RL | 2,003 | The purpose of this study was to assess the independent and interactive effects of CO2. O3, and plant genotype on the foliar quality of a deciduous tree and the performance of a herbivorous insect. Two trembling aspen (Populus tremuloides Michaux) genotypes differing in response to CO2 and O3 were grown at the Aspen FA... | 0 |
95,552 | Air pollution and hospital admissions for ischemic heart diseases among individuals 64+ years of age residing in Seoul, Korea | Lee, JT; Kim, H; Cho, YS; Hong, YC; Ha, EH; Park, H | 2,003 | There is increased evidence that air pollution may be associated with cardiovascular disease. The authors' prior investigations on the association between air pollution exposure and stroke mortality led to the current study, which was conducted to assess the effects of ambient air pollution on ischemic cardiovascular d... | 1 |
89,548 | Association between gaseous ambient air pollutants and adverse pregnancy outcomes in Vancouver, Canada | Liu, S; Krewski, D; Shi, Y; Chen, Y; Burnett, RT | 2,003 | The association between ambient air pollution and adverse health effects, such as emergency room visits, hospitalizations, and mortality from respiratory and cardiovascular diseases, has been studied extensively in many countries, including Canada. Recently, studies conducted in China, the Czech Republic, and the Unite... | 0 |
57,616 | Repair of UV light-induced DNA damage and risk of cutaneous malignant melanoma | Wei, Q; Lee, JE; Gershenwald, JE; Ross, MI; Mansfield, PF; Strom, SS; Wang, LE; Guo, Z; Qiao, Y; Amos, CI; Spitz, MR; Duvic, M | 2,003 | BACKGROUND: The mechanism underlying the role of UV light exposure from sunlight in the etiology of cutaneous malignant melanoma (CMM) is unclear. Patients with xeroderma pigmentosum, a disease characterized by severe sensitivity to UV radiation and a defect in nucleotide excision repair, have a high incidence of CMM, ... | 0 |
52,885 | Association of low-level ozone and fine particles with respiratory symptoms in children with asthma | Gent, JF; Triche, EW; Holford, TR; Belanger, K; Bracken, MB; Beckett, WS; Leaderer, BP | 2,003 | CONTEXT: Exposure to ozone and particulate matter of 2.5 microm or less (PM2.5) in air at levels above current US Environmental Protection Agency (EPA) standards is a risk factor for respiratory symptoms in children with asthma. OBJECTIVE: To examine simultaneous effects of ozone and PM2.5 at levels below EPA standards... | 1 |
86,294 | Effects of ambient air pollution on symptom severity and medication use in children with asthma | Slaughter, JC; Lumley, T; Sheppard, L; Koenig, JQ; Shapiro, GG | 2,003 | #BACKGROUND: Exposure to air pollutants has been investigated as a possible cause of asthma attacks in children. OBJECTIVE: To investigate the short-term effects of air pollutants on a panel of 133 children with asthma who enrolled in the Childhood Asthma Management Program. METHODS: During screening, the children comp... | 0 |
53,201 | Global strategy for the diagnosis, management, and prevention of chronic obstructive pulmonary disease | Pauwels, RA; Buist, AS; Calverley PMA; Jenkins, CR; Hurd, SS | 2,003 | null | 0 |
52,094 | Air pollution as an underappreciated cause of asthma symptoms | Thurston, GD; Bates, DV | 2,003 | N/A. | 0 |
86,295 | Ambient particulate air pollution and childhood asthma exacerbations | Salvi, S | 2,003 | null | 0 |
86,291 | NO2, as a marker of air pollution, and recurrent wheezing in children: a nested case-control study within the BAMSE birth cohort | Emenius, G; Pershagen, G; Berglind, N; Kwon, HJ; Lewne, M; Nordvall, SL; Wickman, M | 2,003 | AIMS: To investigate the association between air pollution, including with NO2, and recurrent wheezing during the first two years of life. METHODS: A birth cohort (BAMSE) comprised 4089 children, for whom information on exposures, symptoms, and diseases was available from parental questionnaires at ages 2 months, and 1... | 0 |
54,063 | Six 'new' episodes of trans-Pacific transport of air pollutants | Jaffe, D; Mckendry, I; Anderson, T; Price, H | 2,003 | Chemical measurements of CO, O3, non-methane hydrocarbons, aerosol chemistry, and aerosol scattering in air masses arriving at the west coast of North America demonstrate that a variety of chemical species can be transported across the Pacific from the Eurasian continent. In this paper, we analyze data from several gro... | 0 |
55,621 | Association between ozone and respiratory admissions among children and the elderly in Vancouver, Canada | Yang, Q; Chen, Y; Shi, Y; Burnett, RT; McGrail, KM; Krewski, D | 2,003 | In this study, we examine the impact of ozone on daily respiratory admissions in both young children and the elderly in greater Vancouver, British Columbia. Study subjects included children less than 3 yr of age and adults 65 yr of age or over living in greater Vancouver who had acute hospital admissions for any respir... | 0 |
74,380 | Reduction of soil carbon formation by tropospheric ozone under elevated carbon dioxide | Loya, WM; Pregitzer, KS; Karberg, NJ; King, JS; Giardina, CP | 2,003 | 1st paragraph: In the Northern Hemisphere, ozone levels in the troposphere have increased by 35 per cent over the past century, with detrimental impacts on forest and agricultural productivity, even when forest productivity has been stimulated by increased carbon dioxide levels. In addition to reducing productivity, in... | 1 |
20,486 | A prospective study of pigmentation, sun exposure, and risk of cutaneous malignant melanoma in women | Veierod, MB; Weiderpass, E; Thorn, M; Hansson, J; Lund, E; Armstrong, B; Adami, HO | 2,003 | BACKGROUND: Although sun exposure is an established cause of cutaneous malignant melanoma, possible interactions with host factors remain incompletely understood. Here we report the first results from a large prospective cohort study of pigmentation factors and sun exposure in relation to melanoma risk. METHODS: The Wo... | 0 |
47,911 | Two distinct seasonal Asian source regions for mineral dust deposited in Greenland (NorthGRIP) | Bory AJ-M; Biscaye, PE; Grousset, FE | 2,003 | A four-year, high-resolution (<2 mo) record of mineralogical and isotopic (Sr and Nd) characteristics of mineral dust deposited at NorthGRIP confirms the seasonal variability in the eastern Asian source regions providing dust to northern Greenland at present. Comparison of the Sr and Nd isotopic compositions of the dus... | 0 |
81,016 | Growth and yield responses of potato to mixtures of carbon dioxide and ozone | Heagle, A; Miller, J; Pursley, W | 2,003 | Received for publication July 1, 2002. Elevated carbon dioxide (CO2) concentrations in the atmosphere can stimulate plant growth and yield, whereas ground-level ozone (O3) concentrations cause the opposite effect in many areas of the world. Recent experiments show that elevated CO2 can protect some plants from O3 stres... | 0 |
53,453 | Chemical characteristics assigned to trajectory clusters during the MINOS campaign | Traub, M; Fischer, H; De Reus, M; Kormann, R; Heland, J; Ziereis, H; Schlager, H; Holzinger, R; Williams, J; Warneke, C; De Gouw, J; Lelieveld, J | 2,003 | #During the Mediterranean Intensive Oxidant Study (MINOS) in August 2001 a total of 14 measurement flights were performed with the DLR Falcon jet aircraft from Heraklion, Crete. One objective of this campaign was to investigate the role of long-range transport of pollutants into the Mediterranean area. An analysis of 5... | 0 |
36,432 | Age-related deficits as working memory load increases: relationships with growth factors | Bimonte, HA; Nelson, ME; Granholm, AC | 2,003 | Young and aged female rats were tested on a water radial-arm maze designed to measure performance as working memory load increased, followed by brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF), and neurotrophin 3 (NT3) protein assessments in hippocampus and frontal cortex. Aged rats showed deficienci... | 0 |
51,912 | Analysis of methyl tert-butyl ether in the atmosphere and implications as an exclusive indicator of automobile exhaust | Chang, CC; Lo, SJ; Lo, JG; Wang, JL | 2,003 | This study investigated the feasibility of using methyl tert-butyl ether (MTBE) as an unambiguous indicator for traffic emissions. The concept involves using ratios of volatile organic compounds (VOCs) to MTBE concentrations, which are characteristic of traffic emissions to reveal the excess concentration contributed b... | 0 |
80,133 | Evidence for an association between air pollution and daily stroke admissions in Kaohsiung, Taiwan | Tsai, SS; Goggins, WB; Chiu, HF; Yang, CY | 2,003 | Background and Purpose? Many studies have reported increases in daily cardiovascular mortality and hospital admissions associated with increases in levels of air pollutants. However, little is known about the relationship between hospital admissions for stroke and air pollution. This study was undertaken to determine w... | 0 |
55,051 | A time-series study of air pollution, socioeconomic status, and mortality in Vancouver, Canada | Villeneuve, PJ; Burnett, RT; Shi, Y; Krewski, D; Goldberg, MS; Hertzman, C; Chen, Y; Brook, J | 2,003 | We evaluated the relationship between daily levels of particulate and gaseous phase pollutants and mortality within a dynamic cohort of approximately 550,000 individuals whose vital status was ascertained between 1986 and 1999. Time-series methods were applied to evaluate whether there were differential pollutant effec... | 0 |
52,984 | Variation in morphological and biochemical O3 injury attributes of mature Jeffrey pine within canopies and between microsites | Grulke, NE; Johnson, R; Monschein, S; Nikolova, P; Tausz, M | 2,003 | Summary Crown morphology and leaf tissue chemical and biochemical attributes associated with ozone (O3) injury were assessed in the lower, mid- and upper canopy of Jeffrey pine (Pinus jeffreyi Grey. & Balf.) growing in mesic and xeric microsites in Sequoia National Park, California. Microsites were designated mesic or... | 1 |
52,486 | Evidence for ozone formation in human atherosclerotic arteries | Wentworth, P, Jr; Nieva, J; Takeuchi, C; Galve, R; Wentworth, AD; Dilley, RB; Delaria, GA; Saven, A; Babior, BM; Janda, KD; Eschenmoser, A; Lerner, RA | 2,003 | Here, we report evidence for the production of ozone in human disease. Signature products unique to cholesterol ozonolysis are present within atherosclerotic tissue at the time of carotid endarterectomy, suggesting that ozone production occurred during lesion development. Furthermore, advanced atherosclerotic plaques g... | 1 |
626,696 | Bayesian modeling of complex metabolic pathways | Conti, DV; Cortessis, V; Molitor, J; Thomas, DC | 2,003 | Many chronic diseases are the result of a complex sequence of biochemical reactions involving exposures to various environmental agents, metabolized by a number of different genes. Routine epidemiologic analyses of such associations have tended to rely on standard contingency table or logistic regression methods, typic... | 1 |
87,291 | Air pollution and case fatality of SARS in the People's Republic of China: an ecologic study | Cui, Y; Zhang, ZF; Froines, J; Zhao, J; Wang, H; Yu, SZ; Detels, R | 2,003 | BACKGROUND: Severe acute respiratory syndrome (SARS) has claimed 349 lives with 5,327 probable cases reported in mainland China since November 2002. SARS case fatality has varied across geographical areas, which might be partially explained by air pollution level. METHODS: Publicly accessible data on SARS morbidity and... | 0 |
55,618 | Environmental ozone effects in different population subgroups | Hoppe, P; Peters, A; Rabe, G; Praml, G; Lindner, J; Jakobi, G; Fruhmann, G; Nowak, D | 2,003 | The study objective was to get more information on characteristics of ozone risk groups. We performed repeated (on average 16 times) lung function tests and interviews with 171 persons belonging to four different population subgroups (44 healthy children, 43 juvenile asthmatics, 43 athletes, and 41 elderly). The enviro... | 1 |
89,545 | Relationship between ambient ozone and exhaled nitric oxide in children | Nickmilder, M; Carbonnelle, S; De Burbure, C; Bernard, A | 2,003 | N/A. | 0 |
87,408 | Short-term effects of air pollution on daily asthma emergency room admissions | Galan, I; Tobias, A; Banegas, JR; Aranguez, E | 2,003 | Many time-series studies have shown positive associations between air pollutants and asthma morbidity. However, few studies have included pollen as a potential confounder when examining this relationship.
This study analysed the short-term association between air pollutants (sulphur dioxide (SO2), particles measured w... | 0 |
80,115 | Accountability within new ozone standards | Foley, GJ; Georgopoulos, PG; Lioy, PJ | 2,003 | N/A. | 0 |
50,478 | Ozone exposure throws monkey wrench into infant lungs | Powell, K | 2,003 | null | 0 |
46,937 | Hydrocarbon measurements at Pabstthum during the BERLIOZ campaign and modeling of free radicals | Konrad, S; Schmitz, T; Buers, HJ; Houben, N; Mannschreck, K; Mihelcic, D; Musgen, P; Patz, HW; Holland, F; Hofzumahaus, A; Schafer, HJ; Schroder, S; Volz-Thomas, A; Bachmann, K; Schlomski, S; Moortgat, G; Grossmann, D | 2,003 | The Photochemistry Experiment in BERLIOZ (PHOEBE) was conducted in July/August 1998 at a rural site located near the small village Pabstthum, about 50 km NW of downtown Berlin. More than 60 nonmethane hydrocarbons (NMHC) in the range of C2-C10 were measured using two in situ gas chromatography (GC) systems. The first (... | 0 |
53,014 | Influence of elevated CO2 and O3 on Betula pendula Roth crown structure | Kull, O; Tulva, I; Vapaavuori, E | 2,003 | Elevated CO2 and ozone effects were studied singly and in combination on the crown structure of two Betula pendula clones. Measurements were made at the end of the second fumigation period in an open-top-chamber experiment with 9-year-old trees. Shoot ramification (number of long and short daughter shoots), shoot lengt... | 0 |
43,640 | Airway hyperresponsiveness: a story of mice and men and cytokines | Townley, RG; Horiba, M | 2,003 | Bronchial hyperresponsiveness (BHR) is an essential part of the definition of asthma. Although our understanding of the allergic inflammatory and immunologic mechanisms of asthma have markedly increased, the mechanism of BHR remains to be elucidated. Increased BHR is associated temporally with exposure to allergens, ce... | 0 |
80,427 | Ozone sensitive plant species on National Park Service and US Fish and Wildlife Service lands: results of a June 24-25, 2003 Workshop, Baltimore, Maryland | null | 2,003 | The National Park Service (NPS) convened a workshop in June 2003 to review and update lists used by the NPS and the U.S. Fish and Wildlife Service (FWS) to identify ozone sensitive plant species. At the workshop, ozone effects scientists made recommendations for the lists; subsequent to the workshop, an additional grou... | 0 |
57,326 | Air pollution and heart rate variability among the elderly in Mexico City | Holguin, F; Tellez-Rojo, MM; Hernandez, M; Cortez, M; Chow, JC; Watson, JG; Mannino, D; Romieu, I | 2,003 | BACKGROUND: Suspended particles and ozone have been associated with varying degrees of cardiac autonomic dysfunction. METHODS: In Mexico City, residents from a nursing home underwent heart rate variability analysis every other day for 3 months. Indoor and outdoor PM2.5 (particulate matter less than 2.5 mm in diameter) ... | 0 |
74,098 | Effects of ozone on DNA single-strand breaks and 8-oxoguanine formation in A549 cells | Cheng, TJ; Kao, HP; Chan, CC; Chang, WP | 2,003 | Animal studies have demonstrated that ozone exposure can induce lung tumors. Recent epidemiological studies have also shown that increased ozone exposure is associated with a greater risk of lung cancer. This study used single-cell gel electrophoresis (the Comet assay) and flow cytometry to investigate DNA damage in A5... | 0 |
74,311 | Air pollution and myocardial infarction in Rome: a case-crossover analysis | D'Ippoliti, D; Forastiere, F; Ancona, C; Agabiti, N; Fusco, D; Michelozzi, P; Perucci, CA | 2,003 | Background: Daily air pollution is associated with increased hospital admissions for cardiovascular diseases, but there are few observations on the link with acute myocardial infarction. To evaluate the relation between various urban air pollutants (total suspended particulate, SO2, CO, NO2) and hospital admissions for... | 0 |
46,940 | Introduction to special section: photochemistry experiment in BERLIOZ | Volz-Thomas, A; Geiss, H; Hofzumahaus, A; Becker, KH | 2,003 | PHOEBE was conducted during the Berlin Ozone Experiment (BERLIOZ) between 5 July and 7 August 1998 near the city of Berlin. It aimed at a quantitative understanding of the fast radical chemistry in rural and suburban air by simultaneous measurements of the major free radicals (OH, HO2, RO2, and NO3) and the chemical co... | 0 |
90,099 | Anthropogenic carbon and ocean pH | Caldeira, K; Wickett, ME | 2,003 | null | 0 |
80,383 | Repeated exposure to isoprene oxidation products causes enhanced respiratory tract effects in multiple murine strains | Rohr, AC; Shore, SA; Spengler, JD | 2,003 | Ozone reacts with terpenes, common hydrocarbons in cleaning and consumer products as well as the ambient environment, to form particle- and gas-phase products; these have been shown to cause sensory irritation and airflow limitation in mice during single exposures. Isoprene, a hemiterpene emitted from both plants and a... | 0 |
125,658 | Ozone yields and production efficiencies in a large power plant plume | Luria, M; Imhoff, RE; Valente, RJ; Tanner, RL | 2,003 | The plume of Tennessee Valley Authoritys coal-fired Cumberland power plant was sampled during four different days in the summer of 1998 and 1999 from an instrumented helicopter. The extent of formation of ozone and various secondary NOx species in the plume was measured and the rates of loss processes estimated. The ra... | 0 |
44,184 | Corrigendum to "Predicting the regional impact of ozone and precipitation on the growth of loblolly pine and yellow-poplar using linked TREGRO and ZELIG models" [Forest Ecol Manage 146 (2001) 247-263] | Laurence, JA; Retzlaff, WA; Kern, JS; Lee, EH; Hogsett, WE; Weinstein, DA | 2,003 | N/A. | 0 |
55,490 | Lung hyperpermeability, Clara-cell secretory potein (CC16), and susceptibility to ozone of five inbred strains of mice | Broeckaert, F; Clippe, A; Wattiez, R; Falmagne, P; Bernard, A | 2,003 | Clara-cell protein (CC16), the predominant protein secreted by bronchiolar Clara cells, increasingly appears to protect the respiratory tract against oxidative stress and inflammation. The aim of this study was to test in inbred strains of mice whether the lung susceptibility to O3 correlates with the transepithelial l... | 1 |
55,524 | Diurnal and seasonal changes in stem increment and water use by yellow poplar trees in response to environmental stress | Mclaughlin, SB; Wullschleger, SD; Nosal, M | 2,003 | To evaluate indicators of whole-tree physiological responses to climate stress, we determined seasonal, daily and diurnal patterns of growth and water use in 10 yellow poplar (Liriodendron tulipifera L.) trees in a stand recently released from competition. Precise measurements of stem increment and sap flow made with a... | 0 |
195,314 | Evaluation of some strategies to control fading of prints from dye-based ink | Kiatkamjornwong, S; Rattanakasamsuk, K; Noguchi, H | 2,003 | The problem of color fading in an ink jet print is a weak point that limits the use of the ink jet prints in outdoor applications. This study investigated the effectiveness of one hindered amine light stabilizer and two UV absorbers on the light induced fading of ink jet ink. The stabilizers (HALS) and UV absorbers wer... | 0 |
52,925 | Photochemical smog effects in mixed conifer forests along a natural gradient of ozone and nitrogen deposition in the San Bernardino Mountains | Arbaugh, M; Bytnerowicz, A; Grulke, N; Fenn, M; Poth, M; Temple, P; Miller, P | 2,003 | Toxic effects of photochemical smog on ponderosa and Jeffrey pines in the San Bernardino Mountains were discovered in the 1950s. It was revealed that ozone is the main cause of foliar injury manifested as chlorotic mottle and premature needle senescence. Various morphological, physiological and biochemical alterations ... | 1 |
53,438 | Chemical kinetics and photochemical data for use in atmospheric studies: Evaluation number 14 | null | 2,003 | null | 0 |
55,543 | Characteristics of an ozone deposition module II: Sensitivity analysis | Simpson, D; Tuovinen, JP; Emberson, L; Ashmore, MR | 2,003 | null | 0 |
53,543 | Regulatory peptides modulate ICAM-1 gene expression and NF-'kappa'B activity in bronchial epithelial cells | Tan, YR; Qin, XQ; Guan, CX; Zhang, CQ; Luo, ZQ; Sun, XH | 2,003 | Intercellular adhesion molecule-1 (ICAM-1) is an important adhesion molecule leading to adhesion between cells; NF-kappaB, being universally distributed in the organism, is an important nuclear transcription factor leading to a rapid response to the stimuli. Line of evidence have shown that ICAM-1 transcription and NF-... | 0 |
55,344 | Effects of two different ozone exposure regimes on chlorophyll and sucrose content of leaves and yield parameters of sugar beet (Beta Vulgaris L) and rape (Brassica Napus L) | Kollner, B; Krause, GHM | 2,003 | Sugar beet (Beta vulgans cv. Loretta) and rape (Brassica napus cv. Licolly) plants were exposed under equal dose conditions in closed fumigation chambers under two different ozone (O3) pattern: Var130 (17:00-09:00 h: 40 g O3 m-3; 09:00-17:00 h: l30 g O3 m-3) and Var220 (16:00-12:00 h: 40 g O3 m-3; 12:00-16:00 h: 22... | 0 |
46,550 | Global and regional decreases in tropospheric oxidants from photochemical effects of aerosols | Martin, RV; Jacob, DJ; Yantosca, RM; Chin, M; Ginoux, P | 2,003 | We evaluate the sensitivity of tropospheric OH, O3, and O3 precursors to photochemical effects of aerosols not usually included in global models: (1) aerosol scattering and absorption of ultraviolet radiation and (2) reactive uptake of HO2, NO2, and NO3. Our approach is to couple a global 3-D model of tropospheric chem... | 0 |
53,345 | Ozone exposure assessment for a European city from 1980 to 2020 based on precursor emissions in Germany | Metz, N | 2,003 | null | 0 |
53,537 | Reactive oxygen species and hormonal control of cell death | Overmyer, K; Brosche, M; Kangasjarvi, J | 2,003 | The accumulation of reactive oxygen species (ROS) is involved in regulating cell death. Pathogen- and ozone-induced processes have become important models for the study of cell death regulation by ROS. Hydrogen peroxide and superoxide have emerged as the two key ROS and recent studies have addressed their sources and c... | 0 |
47,773 | Weekday/weekend ozone differences: What can we learn from them? | Heuss, JM; Kahlbaum, DF; Wolff, GT | 2,003 | A national analysis of weekday/weekend ozone (O3) differences demonstrates significant variation across the country. Weekend 1-hr or 8-hr maximum O3 varies from 15% lower than weekday levels to 30% higher. The weekend O3 increases are primarily found in and around large coastal cities in California and large cities in ... | 0 |
74,326 | Soil nitrogen transformations under Populus tremuloides, Betula papyrifera and Acer saccharum following 3 years exposure to elevated CO2 and O3 | Holmes, WE; Zak, DR; Pregitzer, KS; King, JS | 2,003 | Increases in atmospheric CO2 and tropospheric O-3 may affect forest N cycling by altering plant litter production and the availability of substrates for microbial metabolism. Three years following the establishment of our free-air CO2-O-3 enrichment experiment, plant growth has been stimulated by elevated CO2 resulting... | 0 |
53,428 | Kinetics of the gas-phase reactions of OH radicals with alkanes and cycloalkanes | Atkinson, R | 2,003 | The available database concerning rate constants for gas-phase reactions of the hydroxyl (OH) radical with alkanes through early 2003 is presented over the entire temperature range for which measurements have been made (~180-2000 K). Measurements made using relative rate methods are re-evaluated using recent rate data ... | 0 |
55,165 | Effects of aerosol UV extinction on the formation of ozone and secondary particulate matter | Ying, Q; Kleeman, MJ | 2,003 | #A radiative transfer model based on the Delta-Eddington approximation is coupled into the framework of a three-dimensional air quality model that represents airborne particles as a source-oriented external mixture. Model simulations performed for Southern California on 25 September 1996 show that ultra-violet (UV) irr... | 0 |
47,775 | Day-of-week behavior of atmospheric ozone in three US cities | Pun, BK; Seigneur, C; White, W | 2,003 | The weekly cycles of atmospheric ozone (O3) are of interest because they provide information about the response of O3 to changes in anthropogenic emissions from weekdays to weekends. The weekly behavior of O3 in Chicago, IL; Philadelphia, PA; and Atlanta, GA, is contrasted. In Chicago and Philadelphia, maximum 1-hr ave... | 0 |
47,776 | Evolution of the magnitude and spatial extent of the weekend ozone effect in California's South Coast Air Basin, 1981-2000 | Fujita, EM; Stockwell, WR; Campbell, DE; Keislar, RE; Lawson, DR | 2,003 | Since the mid-1970s, ozone (O3) levels in portions of California's South Coast Air Basin (SoCAB) on weekends have been as high as or higher than levels on weekdays, even though emissions of O3 precursors are lower on weekends. Analysis of the ambient data indicates that the intensity and spatial extent of the weekend O... | 0 |
80,102 | The relevance of developmental toxicity endpoints for acute limit setting | van Raaij, MTM; Jansen, PAH; Piersma, AH | 2,003 | In this report an investigation on the relevance of developmental toxicity endpoints in animal studies for setting acute limits is described. In this analysis NOAELs and LOAELs from single dose experiments are compared to NOAELs and LOAELs from normal 'guideline-based' repeated dose developmental toxicity studies. Base... | 0 |
47,777 | Differences between weekday and weekend air pollutant levels in southern California | Blanchard, CL; Tanenbaum, SJ | 2,003 | Ambient air quality data were analyzed to empirically evaluate the effects of reductions of volatile organic compounds (VOCs) and oxides of nitrogen (NOx) emissions on weekday and weekend levels of ozone (O3; 1991-1998) and particulate NO3- (1980-1999) in southern California. Despite significantly lower O3 precursor le... | 0 |
53,002 | Ozone affects the fitness of trembling aspen | Karnosky, DF; Percy, KE; Mankovska, B; Pritchard, T; Noormets, A; Dickson, RE; Jepsen, E; Isebrands, JG | 2,003 | Trembling aspen (Populus tremuloides Michx.) is sensitive to tropospheric ozone (O-3) as determined by visible foliar symptoms, accelerated foliar senescence and premature abscission, degradation and change in composition of epicuticular waxes, decreased photosynthesis and chlorophyll, and decreased aboveground and bel... | 0 |
53,450 | A model study of ozone in the eastern Mediterranean free troposphere during MINOS (August 2001) | Roelofs, GJ; Scheeren, HA; Heland, J; Ziereis, H; Lelieveld, J | 2,003 | #A coupled tropospheric chemistry-climate model is used to analyze tropospheric ozone distributions observed during the MINOS campaign in the eastern Mediterranean region (August, 2001). Modeled ozone profiles are generally in good agreement with the observations. Our analysis shows that the atmospheric dynamics in the... | 0 |
52,260 | Concentrations, isotopic compositions, and sources of size-resolved, particulate organic carbon and oxalate in near-surface marine air at Bermuda during spring | Turekian, VC; Macko, SA; Keene, WC | 2,003 | During spring 1998, concentrations and stable isotopic compositions of organic carbon and oxalate were measured in size-segregated aerosols at Bermuda to characterize sources and chemical processing. Marine-derived organic carbon in super-Am-radius aerosol was enriched by an average of 724 ? 91 times relative to surfac... | 0 |
47,778 | Weekday versus weekend activity patterns for ozone precursor emissions in California's South Coast Air Basin | Chinkin, LR; Coe, DL; Funk, TH; Hafner, HR; Roberts, PT; Ryan, PA | 2,003 | Ambient O3 concentrations in California's South Coast Air Basin (SoCAB) can be as much as 55% higher on weekends than on weekdays under comparable meteorological conditions. This is paradoxical because emissions of O3 precursors (hydrocarbons, CO, and nitrogen oxides [NOx]) are lower on weekends. Day-of-week emissions ... | 0 |
52,349 | O3-NOx-VOC sensitivity and NOx-VOC indicators in Paris: results from models and atmospheric pollution over the Paris area (ESQUIF) measurements | Sillman, S; Vautard, R; Menut, L; Kley, D | 2,003 | A three-dimensional photochemical model has been used to interpret aircraft measurements from the Atmospheric Pollution Over the Paris Area campaign near Paris, with special attention to measurements that are related to predicted O3-NOx-volatile organic compound (VOC) sensitivity. The model (CHIMERE) includes a represe... | 0 |
74,034 | Disturbance dynamics and ecological response: the contribution of long-term ecological research | Turner, MG; Collins, SL; Lugo, AE; Magnuson, JJ; Rupp, TS; Swanson, FJ | 2,003 | #Long-term ecological research is particularly valuable for understanding disturbance dynamics over long time periods and placing those dynamics in a regional context. We highlighted three case studies from Long Term Ecological Research (LTER) Network sites that have contributed to understanding the causes and conseque... | 0 |
53,444 | Formaldehyde over the eastern Mediterranean during MINOS: comparison of airborne in-situ measurments with 3D-model results | Kormann, R; Fischer, H; De Reus, M; Lawrence, M; Bruhl, C; Von Kuhlmann, R; Holzinger, R; Williams, J; Lelieveld, J; Warneke, C; De Gouw, J; Heldna, J; Ziereis, H; Schlager, H | 2,003 | Formaldehyde (HCHO) is an important intermediate product in the photochemical degradation of methane and non-methane volatile organic compounds. In August 2001, airborne formaldehyde measurements based on the Hantzsch reaction technique were performed during the Mediterranean INtensive Oxidant Study, MINOS. The detecti... | 0 |
113,193 | Polycyclic aromatic hydrocarbons in urban air particulate matter: Decadal and seasonal trends, chemical degradation, and sampling artifacts | Schauer, C; Niessner, R; Poschl, U | 2,003 | Aerosol filter samples collected at a major urban traffic junction (LKP) and at a suburban residential location (IWC) in the metropolitan area of Munich (Germany) throughout the years 2001 and 2002 have been analyzed for 12 of the 16 EPA priority polycyclic aromatic hydrocarbon (PAH) pollutants by liquid chromatography... | 0 |
44,188 | Impact of sulfur-in-gasoline on motor vehicle emissions in the metropolitan area of Mexico City | Schifter, I; Diaz, L; Vera, M; Guzman, E; Lopez-Salina, E | 2,003 | #Light duty gasoline vehicles account for most of CO, hydrocarbons and NOx emissions to the urban environment in Mexico City. From the beginning of year 2001, vehicles comply with Tier 1 emissions standards. Two types of Regular gasoline are available in the country. In those ozone non-attainment areas regular oxygenat... | 0 |
51,316 | Air pollution and daily mortality in two US counties: season-specific analyses and exposure-response relationships | Moolgavkar, SH | 2,003 | I used generalized additive models to analyze the time series of daily total nonaccidental deaths and deaths due to vascular disease over the period 1987-1995 in two major metropolitan areas, Cook County, Illinois, and Los Angeles County, California, in the United States. In both counties I had monitoring information o... | 0 |
55,376 | The "piston effect" observed in ozone concentrations in Mexico City | Bravo, H; Echeverria, RS; Sanchez, P; Palomera, M; Lefohn, AS | 2,003 | During an investigation of hourly average concentration ozone data collected in Mexico City, analysts observed the so-called "piston effect," whereby higher hourly average concentrations are reduced more rapidly than mid-level concentrations. This phenomenon has serious ramifications concerning the implementation of co... | 0 |
53,489 | Response of terrestrial microorganisms to ultraviolet-B radiation in ecosystems | Johnson, D | 2,003 | Recent studies suggest that ultraviolet-B radiation, a major component of global climate change, can affect the community structure, biomass and functioning of terrestrial microorganisms. In this report, these studies are reviewed and gaps in our understanding highlighted so that future research can provide more conclu... | 0 |
56,137 | Observations of stratosphere-to-troposphere transport events over the eastern Mediterranean using a ground-based lidar system | Galani, E; Balis, D; Zanis, P; Zerefos, C; Papayannis, A; Wernli, H; Gerasopoulos, E | 2,003 | In order to cover a substantial amount of stratospheric intrusions during the project Influence of Stratosphere-Troposphere Exchange in a Changing Climate on Atmospheric Transport and Oxidation Capacity (STACCATO), coordinated measurements were carried out at several locations in central and southern Europe, based on q... | 0 |
783,366 | Reactive oxygen disrupts mitochondria in MA-10 tumor Leydig cells and inhibits steroidogenic acute regulatory (StAR) protein and steroidogenesis | Diemer, T; Allen, JA; Hales, KH; Hales, DB | 2,003 | Reactive oxygen species (ROS) are involved in a variety of pathophysiological conditions of the testis, and oxidative stress is known to inhibit ovarian and testicular steroidogenesis. The site of ROS-mediated inhibition of steroidogenesis in the corpus luteum and MA-10 tumor Leydig cells was shown to be the hormone-se... | 1 |
51,281 | Effect of sulfate aerosol on tropospheric NOx and ozone budgets: model simulations and TOPSE evidence | Tie, XX; Emmons, L; Horowitz, L; Brasseur, G; Ridley, B; Atlas, E; Stround, C; Hess, P; Klonecki, A; Madronich, S; Talbot, R; Dibb, J | 2,003 | The distributions of NOx and O3 are analyzed during TOPSE (Tropospheric Ozone Production about the Spring Equinox). In this study these data are compared with the calculations of a global chemical/transport model (Model for Ozone And Related chemical Tracers (MOZART). Specifically, the effect that hydrolysis of N2O5 on... | 0 |
50,479 | Acute effect of air pollution on respiratory complaints, exhaled NO and biomarkers in nasal lavages of allergic children during the pollen season | Steerenberg, PA; Bischoff, EWMA; de Klerk, A; Verlaan, APJ; Jongbloets, LMN; Van Loveren, H; Opperhuizen, A; Zomer, G; Heisterkamp, SH; Hady, M; Spieksma, FTM; Fischer, PH; Dormans, JAMA; van Amsterdam, JGC | 2,003 | During 2 months of the pollen season, the acute and putative adjuvant effect of traffic-related air pollution on respiratory health was investigated in children sensitised to grass pollen or house dust mite (HDM). Respiratory complaints were objectified via measurement of exhaled NO and inflammatory mediators in nasal ... | 0 |
51,134 | The effects of tropospheric ozone and elevated carbon dioxide on potato (Solanum tuberosum L cv Bintje) growth and yield | Persson, K; Danielsson, H; Selden, G; Pleijel, H | 2,003 | An open-top chamber experiment with field grown potato (Solanum tuberosum L. cv. Bintje) was performed in the south-west of Sweden in 1998. The experiment was aimed to investigate individual and interactive impacts of elevated ozone (O3) and carbon dioxide (CO2) on potato growth and yield. Treatments were ambient and e... | 0 |
46,276 | Heterogeneous reactivity of NO and HNO3 on mineral dust in the presence of ozone | Hanisch, F; Crowley, JN | 2,003 | The co-adsorption and reaction of NO and O3 on authentic Saharan dust surfaces was investigated in a Knudsen reactor at 296 K. NO was consumed on the dust surface in the presence of O3 and thereby partially converted to NO2, which was released to the gas-phase. An empirical expression for the dependence of NO2 producti... | 0 |
52,097 | Effects of air pollution and climatic conditions on the frequency of ophthalmological emergency examinations | Bourcier, T; Viboud, C; Cohen, JC; Thomas, F; Bury, T; Cadiot, L; Mestre, O; Flahault, A; Borderie, V; Laroche, L | 2,003 | Clear recognition of the implications of outdoor air pollution on health is a relatively recent development. Numerous epidemiological studies have demonstrated short term associations between high levels of air pollution and increased acute mortality and morbidity.1-6 Relations between asthma, bronchitis, cardiovascu... | 0 |
144,545 | Application of REMSAD and GAMES modelling systems on a particulate matter and ozone episode in Milan metropolitan area | Decanini, E; Pola, M; Polla Mattiot, F; Volta, M | 2,003 | During the summer months the Milan metropolitan area is regularly affected by intense photochemical pollution episodes. They are often associated to high concentrations of particulate matter. The attention paid to PM concentration measurements, to the related health effects and simulation results have been recently inc... | 0 |
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