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Environmental research 63건

  1. [해외논문]   Announcement   SCI SCIE


    Environmental research v.160 ,pp. iii - iii , 2018 , 0013-9351 ,

    초록

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

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  2. [해외논문]   Phytobeds with Fimbristylis dichotoma and Ammannia baccifera for treatment of real textile effluent: An in situ treatment, anatomical studies and toxicity evaluation   SCI SCIE

    Kadam, Suhas K. (Department of Biochemistry, Shivaji University, Kolhapur 416004, India ) , Chandanshive, Vishal V. (Department of Biochemistry, Shivaji University, Kolhapur 416004, India ) , Rane, Niraj R. (Department of Biotechnology, Shivaji University, Kolhapur 416004, India ) , Patil, Swapnil M. (Department of Biotechnology, Shivaji University, Kolhapur 416004, India ) , Gholave, Avinash R. (Department of Botany, Shivaji University, Kolhapur 416004, India ) , Khandare, Rahul V. (Department of Biotechnology, Shivaji University, Kolhapur 416004, India ) , Bhosale, Amrut R. (Department of Zoology, Shivaji University, Kolhapur 416004, India ) , Jeon, Byong-Hun (Department of Earth Resources and Environmental Engineering, Hanyang University, Seoul 04763, South Korea ) , Govindwar, Sanjay P. (Department of Biochemistry, Shivaji University, Kolhapur 416004, India)
    Environmental research v.160 ,pp. 1 - 11 , 2018 , 0013-9351 ,

    초록

    Abstract Fimbristylis dichotoma, Ammannia baccifera and their co-plantation consortium FA independently degraded Methyl Orange, simulated dye mixture and real textile effluent. Wild plants of F. dichotoma and A. baccifera with equal biomass showed 91% and 89% decolorization of Methyl Orange within 60h at a concentration of 50ppm, while 95% dye removal was achieved by consortium FA within 48h. Floating phyto-beds with co-plantation ( F. dichotoma and A. baccifera ) for the treatment of real textile effluent in a constructed wetland was observed to be more efficient and achieved 79%, 72%, 77%, 66% and 56% reductions in ADMI color value, COD, BOD, TDS and TSS of textile effluent, respectively. HPTLC, GC-MS, FTIR, UV–vis spectroscopy and activated oxido-reductive enzyme activities confirmed the phytotrasformation of parent dye in to new metabolites. T-RFLP analysis of rhizospheric bacteria of F. dichotoma , A. baccifera and consortium FA revealed the presence of 88, 98 and 223 genera which could have been involved in dye removal. Toxicity evaluation of products formed after phytotransformation of Methyl Orange by consortium FA on bivalves Lamellidens marginalis revealed less damage of the gills architecture when analyzed histologically. Toxicity measurement by Random Amplification of Polymorphic DNA (RAPD) technique revealed bivalve DNA banding pattern in treated Methyl Orange sample suggesting less toxic nature of phytotransformed dye products. Highlights F. dichotoma L. and A. baccifera L. decolorized Methyl Orange and real textile dye effluent. Co-plantation of F. dichotoma L. and A. baccifera L. gave more efficient dye removal. Possible degradation pathways of Methyl Orange by all three systems are proposed. Effluents were treated note-worthily in floating phyto-beds by plants. Toxicity study on bivalve revealed less toxic nature of dye products. Graphical abstract [DISPLAY OMISSION]

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

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  3. [해외논문]   Blood lead and preeclampsia: A meta-analysis and review of implications   SCI SCIE

    Poropat, Arthur E. (Griffith University –) , Laidlaw, Mark A.S. (School of Applied Psychology, Brisbane, Australia ) , Lanphear, Bruce (RMIT University - Centre for Environmental Sustainability and Remediation (EnSuRe), School of Science, Bundoora, Victoria, Australia ) , Ball, Andrew (Simon Fraser University –) , Mielke, Howard W. (Faculty of Health Sciences, Vancouver, British Columbia, Canada )
    Environmental research v.160 ,pp. 12 - 19 , 2018 , 0013-9351 ,

    초록

    Abstract Background Multiple cross-sectional studies suggest that there is an association between blood lead and preeclampsia. Objectives We performed a systematic review and meta-analysis to summarize information on the association between preeclampsia and lead poisoning. Methods Searches of Medline, Web of Science, Scopus, Pubmed, Science Direct and ProQuest (dissertations and theses) identified 2089 reports, 46 of which were downloaded after reviewing the abstracts, and 11 studies were evaluated as meeting the selection criteria. Evaluation using the ROBINS-I template (Sterne, et al., 2016), indicated moderate risk of bias in all studies. Results We found that blood lead concentrations were significantly and substantially associated with preeclampsia ( k = 12; N = 6069; Cohen's d = 1.26; odds ratio = 9.81; odds ratio LCL = 8.01; odds ratio UCL = 12.02; p = 0.005). Eliminating one study produced a homogeneous meta-analysis and stronger estimates, despite the remaining studies coming from eight separate countries and having countervailing risks of bias. Conclusions Blood lead concentrations in pregnant women are a major risk factor for preeclampsia, with an increase of 1μg/dL associated with a 1.6% increase in likelihood of preeclampsia, which appears to be the strongest risk factor for preeclampsia yet reported. Pregnant women with historical lead exposure should routinely have blood lead concentrations tested, especially after mid-term. Women with concentrations higher than 5μg/dL should be actively monitored for preeclampsia and be advised to take prophylactic calcium supplementation. All pregnant women should be advised to actively avoid lead exposure. Highlights A meta-analysis of blood lead (BPb) and preeclampsia was performed. 12 studies were included in the meta-analysis. Odds ratio for BPb and preeclampsia = 9.81 (95% CI = 8.01–12.02). Increase of 1μg/dL in BPb results in a 1.6% increase in likelihood of preeclampsia. Pregnant women advised to actively avoid lead exposure.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

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  4. [해외논문]   Factors affecting variability in PM2.5 exposure concentrations in a metro system   SCI SCIE

    Li, Zhiyuan (Division of Environment and Sustainability, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China ) , Che, Wenwei (Division of Environment and Sustainability, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China ) , Frey, H. Christopher (Division of Environment and Sustainability, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China ) , Lau, Alexis K.H. (Division of Environment and Sustainability, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China)
    Environmental research v.160 ,pp. 20 - 26 , 2018 , 0013-9351 ,

    초록

    Abstract The objectives of this study were to: (1) evaluate PM 2.5 inflow to metro train cabins when doors open at stations; (2) assess the spatial and temporal variability in PM 2.5 exposure concentration; and (3) quantify the relationship between in-cabin concentration versus outdoor and non-ambient PM 2.5 . We measured in-cabin PM 2.5 concentrations using portable monitors at the door-side and center of a train cabin simultaneously on a Hong Kong metro line. In addition, platform and in-cabin pollutant concentrations near a train door were simultaneously measured. Short-term spikes in PM 2.5 concentrations typically occur near train doors when doors open, related to inflow of ambient air aboveground and tunnel air underground. In-cabin PM 2.5 exposure concentrations are typically lower away from the doors when the doors open. PM 2.5 concentrations inside train cabins and on station platform operating above-ground are more influenced, compared to underground, by outdoor PM 2.5 . Moreover, non-ambient sources contribute approximately 50% of train in-cabin and station platform PM 2.5 concentrations during underground operation. The results help more accurately quantify commuting PM 2.5 exposure on a metro system, and can be used to improve population-based exposure simulation models. Highlights Door-side PM 2.5 concentrations typically increase when train doors open. Train in-cabin PM 2.5 concentrations are lower than ambient PM 2.5 concentration. Underground metro train in-cabin PM 2.5 concentrations are higher than above-ground. Ambient PM 2.5 infiltration into cabins is higher for above-ground than underground. Non-ambient sources contributed around half of PM 2.5 inside the underground metro.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  5. [해외논문]   Spatiotemporal interpolation of air pollutants in the Greater Cairo and the Delta, Egypt   SCI SCIE

    Ahmed, Sara Osama (Department of Statistics, Faculty of Economics and Political Science, Cairo University, Giza, Egypt ) , Mazloum, Reda (Department of Statistics, Faculty of Economics and Political Science, Cairo University, Giza, Egypt ) , Abou-Ali, Hala (Department of Economics, Faculty of Economics and Political Science, Cairo University, Giza, Egypt)
    Environmental research v.160 ,pp. 27 - 34 , 2018 , 0013-9351 ,

    초록

    Abstract This paper analyses the spatiotemporal variability of air pollutants in Egypt using monthly averages from the air quality monitoring network from 2011 to 2015. Particulate Matters (PM 10 ) Nitrogen Dioxide (NO 2 ) and Sulfur Dioxide (SO 2 ), measured by the monitoring stations network are studied. A log transformation is applied for the three pollutants to achieve normality. The sum-metric function is utilized for modelling the spatiotemporal variogram as it gave the smallest Mean Squared Error (MSE) compared to other forms namely separable, metric, and product sum models. Therefore, employing the gstat package in R together with the trans-Gaussian spatiotemporal kriging, the maps are generated for the interpolated surfaces for the monthly averages of 2015 and the corresponding standard error values. These maps will help the decision maker to understand and visualize the spatial and temporal variability of the measured pollutants and hence undertake the necessary policies and decisions. The results show that the down town area has the highest pollutants levels. As concerns the temporal dimension, the highest values are depicted during the month of February as compared to the rest of the year. Furthermore, Egypt is suffering from a serious PM 10 problem for the area and period under study that extremely exceed the WHO and Egyptian guidelines. Highlights Data from network of monitoring stations in Egypt are used for studying SO 2 , NO 2 , and PM 10. Trans-Gaussian Spatiotemporal kriging is used as a spatiotemporal interpolation method. The whole area under study is suffering from high values of PM 10 throughout 2015. For NO 2 and SO 2 , the highest value is noticed in February. Concerns must be given to the monitoring network to improve the prediction precision.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  6. [해외논문]   In vivo measurement of bone manganese and association with manual dexterity: A pilot study   SCI SCIE

    Wells, Ellen M. (School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States ) , Liu, Yingzi (School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States ) , Rolle-McFarland, Danelle (School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States ) , Mostafaei, Farshad (School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States ) , Zheng, Wei (School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States ) , Nie, Linda H. (School of Health Sciences, Purdue University, West Lafayette, IN 47907, United States)
    Environmental research v.160 ,pp. 35 - 38 , 2018 , 0013-9351 ,

    초록

    Abstract We used neutron activation analysis (NAA) to measure hand bone manganese (BnMn) in 19 adult males. Median BnMn was 0.89μg/g dry bone (interquartile range = 1.07). After adjustment for age and occupation, higher ln(BnMn) was significantly associated with lower manual dexterity based on the Purdue Pegboard assembly task: β = −1.77, standard error = 0.79, p = 0.04. Due to the small sample size, these results should be interpreted cautiously. BnMn appears to be a promising biomarker, and should be further studied. Highlights In vivo hand bone manganese was measured using neutron activation analysis. Bone manganese was higher among men who reported working with metals. Those with higher bone manganese tended to have less manual dexterity. Future studies should evaluate bone manganese as a cumulative exposure biomarker. Graphical abstract [DISPLAY OMISSION]

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  7. [해외논문]   Toxicity and trophic transfer of P25 TiO2 NPs from Dunaliella salina to Artemia salina: Effect of dietary and waterborne exposure   SCI SCIE

    Bhuvaneshwari, M. (Corresponding author.) , Thiagarajan, Vignesh , Nemade, Prateek , Chandrasekaran, N. , Mukherjee, Amitava
    Environmental research v.160 ,pp. 39 - 46 , 2018 , 0013-9351 ,

    초록

    Abstract The recent increase in nanoparticle (P25 TiO 2 NPs) usage has led to concerns regarding their potential implications on environment and human health. The food chain is the central pathway for nanoparticle transfer from lower to high trophic level organisms. The current study relies on the investigation of toxicity and trophic transfer potential of TiO 2 NPs from marine algae Dunaliella salina to marine crustacean Artemia salina . Toxicity was measured in two different modes of exposure such as waterborne (exposure of TiO 2 NPs to Artemia ) and dietary exposure (NP-accumulated algal cells are used to feed the Artemia ). The toxicity and accumulation of TiO 2 NPs in marine algae D. salina were also studied. Artemia was found to be more sensitive to TiO 2 NPs (48h LC 50 of 4.21mgL −1 ) as compared to marine algae, D. salina (48h LC 50 of 11.35mgL −1 ). The toxicity, uptake, and accumulation of TiO 2 NPs were observed to be more in waterborne exposure as compared to dietary exposure. Waterborne exposure seemed to cause higher ROS production and antioxidant enzyme (SOD and CAT) activity as compared to dietary exposure of TiO 2 NPs in Artemia . There were no observed biomagnification (BMF) and trophic transfer from algae to Artemia through dietary exposure. Histopathological studies confirmed the morphological and internal damages in Artemia . This study reiterates the possible effects of the different modes of exposure on trophic transfer potential of TiO 2 NPs and eventually the consequences on aquatic environment. Highlights Toxicity and uptake of P25 NPs into Dunaliella salina. Waterborne exposure of NPs on Artemia salina was more toxic than dietary exposure. No observed bio-magnification (BMF) from algae to Artemia through dietary exposure. Accumulated NPs caused morphological and physiological changes in Artemia.

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    회원님의 원문열람 권한에 따라 열람이 불가능 할 수 있으며 권한이 없는 경우 해당 사이트의 정책에 따라 회원가입 및 유료구매가 필요할 수 있습니다.이동하는 사이트에서의 모든 정보이용은 NDSL과 무관합니다.

    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  8. [해외논문]   Urban residential greenspace and mental health in youth: Different approaches to testing multiple pathways yield different conclusions   SCI SCIE

    Dzhambov, Angel (Department of Hygiene and Ecomedicine, Faculty of Public Health, Medical University of Plovdiv, Plovdiv, Bulgaria ) , Hartig, Terry (Institute for Housing and Urban Research and Department of Psychology, Uppsala University, Uppsala, Sweden ) , Markevych, Iana (Institute and Clinic for Occupational, Social and Environmental Medicine, University Hospital, LMU Munich, Munich, Germany ) , Tilov, Boris (Medical College, Medical University of Plovdiv, Plovdiv, Bulgaria ) , Dimitrova, Donka (Department of Health Management and Healthcare Economics, Faculty of Public Health, Medical University of Plovdiv, Plovdiv, Bulgaria)
    Environmental research v.160 ,pp. 47 - 59 , 2018 , 0013-9351 ,

    초록

    Abstract Background Urban greenspace can benefit mental health through multiple mechanisms. They may work together, but previous studies have treated them as independent. Objectives We aimed to compare single and parallel mediation models, which estimate the independent contributions of different paths, to several models that posit serial mediation components in the pathway from greenspace to mental health. Methods We collected cross-sectional survey data from 399 participants (15–25 years of age) in the city of Plovdiv, Bulgaria. Objective “exposure” to urban residential greenspace was defined by the Normalized Difference Vegetation Index (NDVI), Soil Adjusted Vegetation Index, tree cover density within the 500-m buffer, and Euclidean distance to the nearest urban greenspace. Self-reported measures of availability, access, quality, and usage of greenspace were also used. Mental health was measured with the General Health Questionnaire. The following potential mediators were considered in single and parallel mediation models: restorative quality of the neighborhood, neighborhood social cohesion, commuting and leisure time physical activity, road traffic noise annoyance, and perceived air pollution. Four models were tested with the following serial mediation components: (1) restorative quality → social cohesion; (2) restorative quality → physical activity; (3) perceived traffic pollution → restorative quality; (4) and noise annoyance → physical activity. Results There was no direct association between objectively-measured greenspace and mental health. For the 500-m buffer, the tests of the single mediator models suggested that restorative quality mediated the relationship between NDVI and mental health. Tests of parallel mediation models did not find any significant indirect effects. In line with theory, tests of the serial mediation models showed that higher restorative quality was associated with more physical activity and more social cohesion, and in turn with better mental health. As for self-reported greenspace measures, single mediation through restorative quality was significant only for time in greenspace, and there was no mediation though restorative quality in the parallel mediation models; however, serial mediation through restorative quality and social cohesion/physical activity was indicated for all self-reported measures except for greenspace quality. Conclusions Statistical models should adequately address the theoretically indicated interdependencies between mechanisms underlying association between greenspace and mental health. If such causal relationships hold, testing mediators alone or in parallel may lead to incorrect inferences about the relative contribution of specific paths, and thus to inappropriate intervention strategies. Highlights We compared single and parallel mediation models to serial mediation models. Single mediation models suggested mediation through neighborhood restorative quality. Parallel mediation models did not find any mediation through restorative quality. There was serial mediation through restorative quality, physical activity and social cohesion. Testing mediators alone or in parallel may lead to incorrect inferences.

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    NDSL에서는 해당 원문을 복사서비스하고 있습니다. 아래의 원문복사신청 또는 장바구니담기를 통하여 원문복사서비스 이용이 가능합니다.

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  9. [해외논문]   Systematic review of biological effects of exposure to static electric fields. Part II: Invertebrates and plants   SCI SCIE

    Schmiedchen, Kristina (Research Center for Bioelectromagnetic Interaction, RWTH Aachen University, Pauwelsstraße 30, 52074 Aachen, Germany ) , Petri, Anne-Kathrin (Research Center for Bioelectromagnetic Interaction, RWTH Aachen University, Pauwelsstraße 30, 52074 Aachen, Germany ) , Driessen, Sarah (Research Center for Bioelectromagnetic Interaction, RWTH Aachen University, Pauwelsstraße 30, 52074 Aachen, Germany ) , Bailey, William H. (Center for Occupational and Environmental Health Risk Assessment, Exponent, 17000 Science Drive, Suite 200, Bowie, MD 20715, USA)
    Environmental research v.160 ,pp. 60 - 76 , 2018 , 0013-9351 ,

    초록

    Abstract Background The construction of high-voltage direct current (HVDC) lines for the long-distance transport of energy is becoming increasingly popular. This has raised public concern about potential environmental impacts of the static electric fields (EF) produced under and near HVDC power lines. As the second part of a comprehensive literature analysis, the aim of this systematic review was to assess the effects of static EF exposure on biological functions in invertebrates and plants and to provide the basis for an environmental impact assessment of such exposures. Methods The Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) was used to guide the methodological conduct and reporting. Results Thirty-three studies – 14 invertebrate and 19 plant studies – met the eligibility criteria and were included in this review. The reported behavioral responses of insects and planarians upon exposure strongly suggest that invertebrates are able to perceive the presence of a static EF. Many other studies reported effects on physiological functions that were expressed as, for example, altered metabolic activity or delayed reproductive and developmental stages in invertebrates. In plants, leaf damage, alterations in germination rates, growth and yield, or variations in the concentration of essential elements, for example, have been reported. However, these physiological responses and changes in plant morphology appear to be secondary to surface stimulation by the static EF or caused by concomitant parameters of the electrostatic environment. Furthermore, all of the included studies suffered from methodological flaws, which lowered credibility in the results. Conclusion At field levels encountered from natural sources or HVDC lines ( 35kV/m), adverse effects on physiology and morphology, presumably caused by corona-action, appear to be more likely. Higher quality studies are needed to unravel the role of air ions, ozone, nitric oxide and corona current on alterations in physiological functions and morphology. Highlights Environmental impacts of static EF were assessed in invertebrate and plant studies. Invertebrates are able to perceive the presence of static EF near HVDC power lines. No evidence for adverse effects on physiological functions at HVDC field levels. Corona-action appears to cause adverse biological effects at very high field levels. Methodological flaws in all reviewed studies lowered credibility in the results.

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  10. [해외논문]   Consumption of fruit and vegetables might mitigate the adverse effects of ambient PM2.5 on lung function among adults   SCI SCIE

    Lin, Hualiang (Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China ) , Guo, Yanfei (Shanghai Municipal Centre for Disease Control and Prevention, Shanghai, China ) , Di, Qian (Harvard T.H. Chan School of Public Health, Department of Environmental Health, Boston, MA, USA ) , Zheng, Yang (Shanghai Municipal Centre for Disease Control and Prevention, Shanghai, China ) , Xian, Hong (Saint Louis University College for Public Health & Social Justice, St. Louis, MO, USA ) , Li, Xing (Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China ) , Liu, Tao (Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China ) , Xiao, Jianpeng (Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, China ) , Zeng, Weilin (Guangdong Provincial Institute of Public Health, Guangdong Provincial Center for Disease Control and Prevention, Guangzhou, Chi) , Howard, Steven W. , Vaughn, Michael G. , Qian, Zhengmin (Min) , Ma, Wenjun , Wu, Fan
    Environmental research v.160 ,pp. 77 - 82 , 2018 , 0013-9351 ,

    초록

    Abstract Background Evidence on the effects of ambient PM 2.5 on lung function is limited among adults and the effect modification by dietary fruit and vegetables remains largely unknown. Methods We interviewed 29,032 participants aged 50 years and older from the WHO Study on global AGEing and adult health. Annual average PM 2.5 levels were estimated for each community using satellite data. We applied multi-level linear regressions to examine the association between ambient PM 2.5 and lung function (forced vital capacity (FVC), forced expiratory volume in 1-sec (FEV 1 ), FEV 1 /FVC ratio, peak expiratory flow (PEF), and forced expiratory flow between 25th and 75th percentiles of FVC (FEF 25–75 )). Results We found that ambient PM 2.5 was associated with lower lung functions. Each 10μg/m 3 increase in PM 2.5 corresponded to reductions of 123.58ml in FVC (95% CI: −185.21, −61.95), 126.64ml in FEV 1 (95% CI: −186.04, −67.23) and 178.93ml/s FEV 25–75 (95% CI: −249.20, −108.66). Lower effect estimates were observed among those with higher consumption of fruit and vegetables. Conclusion Our study suggests that exposure to ambient PM 2.5 might be one risk factor of reduced lung function in adults and that higher consumption of fruit and vegetables may mitigate this effect. Highlights We examined the effects of PM 2.5 on lung function among adults. PM 2.5 was associated with lower levels of FVC, FEV 1 and FEV 25-75 . Fruit and vegetables could mitigate these effects.

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