Environmental Health
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Mesothelioma Treatment Including Photodynamic Therapy Shows Promise in Recent Study
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A study published in Seminars in Thoracic and Cardiovascular Surgery investigated the inclusion of photodynamic therapy in multimodality treatment for mesothelioma cancer.
Malignant mesothelioma is an aggressive cancer that rarely responds to current treatment methods. Caused almost exclusively by asbestos exposure, mesothelioma rarely responds to treatments such as chemotherapy, radiation or surgery. When these mesothelioma treatments are combined into a multimodality approach some extension in survival rates has been observed in certain mesothelioma patients, encouraging further research into multimodality treatment.
Pho...
Source: Asbestos and Mesothelioma News - March 19, 2010 Category: Environmental Health Authors: mwhitmer Tags: Mesothelioma Mesothelioma Research Mesothelioma Treatment Mesothelioma Photodynamic Therapy Source Type: news
Removal of methyl parathion by cyanobacteria Microcystis novacekii under culture conditionsEmail this article to a colleague.
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Isabela Araujo Fioravante, Francisco Antonio Rodrigues Barbosa, Rodinei Augusti, Sergia Maria Starling Magalhaes
(Paper from J. Environ. Monit.)
Isabela Araujo Fioravante, J. Environ. Monit., 2010, DOI: 10.1039/b923288e
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The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - J. Environ. Monit. latest articles)
Source: RSC - J. Environ. Monit. latest articles - March 19, 2010 Category: Environmental Health Authors: Isabela Araujo FioravanteFrancisco Antonio Rodrigues Barbosa Rodinei Augusti Sergia Maria Starling Magalhaes Source Type: journals
Laboratory evaluation of a physiologic sampling pump (PSP)Email this article to a colleague.
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Ming-I (Brandon) Lin, William A. Groves, Andris Freivalds, Larry Lee, Eun Gyung Lee, James E. Slaven, Martin Harper
(Paper from J. Environ. Monit.)
Ming-I (Brandon) Lin, J. Environ. Monit., 2010, DOI: 10.1039/b923986c
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The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - J. Environ. Monit. latest articles)
Source: RSC - J. Environ. Monit. latest articles - March 19, 2010 Category: Environmental Health Authors: Ming-I (Brandon) LinWilliam A. Groves Andris Freivalds Larry Lee Eun Gyung Lee James E. Slaven Martin Harper Source Type: journals
Mesothelioma Research Investigates Resistance Mechanisms to Discover Novel Treatment TargetsEmail this article to a colleague.
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A study recently published in the medical journal Lung Cancer investigated genetic patterns in malignant mesothelioma that contribute to the cancer’s treatment resistance in hopes of identifying new avenues for treatment.
Titled “Malignant pleural mesothelioma: genome-wide expression patterns reflecting general resistance mechanisms and a proposal of novel targets,” the study sought to observe genetic similarities among patients that make malignant mesotheliomas resistant to treatment. Further understanding the genetics behind resistance mechanisms allows scientists to develop improved and more specific mesothelioma ...
Source: Asbestos and Mesothelioma News - March 18, 2010 Category: Environmental Health Authors: mwhitmer Tags: Mesothelioma Mesothelioma Research Mesothelioma Treatment Malignant Mesothelioma Source Type: news
Polychlorinated Biphenyls Disrupt Intestinal Integrity via NADPH Oxidase-Induced Alterations of Tight Junction Protein ExpressionEmail this article to a colleague.
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Conclusions: These results suggest that oral exposure to highly-chlorinated PCBs disrupts intestinal epithelial integrity and may directly contribute to the systemic effects of these toxicants. (Source: EHP-in-Press)
Source: EHP-in-Press - March 18, 2010 Category: Environmental Health Authors: Yean Jung Choi et al. Source Type: journals
Arsenic inhibits myogenic differentiation and muscle regenerationEmail this article to a colleague.
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Conclusion: Our results suggest that As2O3 inhibits myogenic differentiation by inhibiting Akt-regulated signaling. (Source: EHP-in-Press)
Source: EHP-in-Press - March 18, 2010 Category: Environmental Health Authors: Yuan-Peng Yen et al. Source Type: journals
Assessment of non-occupational exposure to polycyclic aromatic hydrocarbons through personal air sampling and urinary biomonitoringEmail this article to a colleague.
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Zheng Li, James A. Mulholland, Lovisa C. Romanoff, Erin N. Pittman, Debra A. Trinidad, Michael D. Lewin, Andreas Sjodin
(Paper from J. Environ. Monit.)
Zheng Li, J. Environ. Monit., 2010, DOI: 10.1039/c000689k
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Source: RSC - J. Environ. Monit. latest articles - March 18, 2010 Category: Environmental Health Authors: Zheng LiJames A. Mulholland Lovisa C. Romanoff Erin N. Pittman Debra A. Trinidad Michael D. Lewin Andreas Sjodin Source Type: journals
Mesothelioma Treatment Guidelines Announced by the National Comprehensive Cancer NetworkEmail this article to a colleague.
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During the National Comprehensive Cancer Network’s (NCCN) 15th Annual Conference, guidelines concerning treatment for malignant pleural mesothelioma were presented. Lee M. Krug, a doctor at Memorial Sloan-Kettering Cancer Center and a member of the NCCN Guidelines Panel, spoke about recommended treatment options for mesothelioma patients.
Malignant mesothelioma is a rare form of cancer almost exclusively caused by asbestos exposure. Symptoms can take as long as 20 to 50 years to arise once someone has been exposed and this often results in a late diagnosis for patients. Approximately 2,000 to 3,000 people are diagnos...
Source: Asbestos and Mesothelioma News - March 17, 2010 Category: Environmental Health Authors: jwhitmer Tags: Asbestos Exposure Mesothelioma Mesothelioma Treatment Malignant Mesothelioma Pleural Mesothelioma Source Type: news
Atmospheric inorganic nitrogen in dry deposition to a typical red soil agro-ecosystem in southeastern ChinaEmail this article to a colleague.
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Jian Cui, Jing Zhou, Hao Yang
(Paper from J. Environ. Monit.)
Jian Cui, J. Environ. Monit., 2010, DOI: 10.1039/b922042a
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The content of this RSS Feed (c) The Royal Society of Chemistry (Source: RSC - J. Environ. Monit. latest articles)
Source: RSC - J. Environ. Monit. latest articles - March 17, 2010 Category: Environmental Health Authors: Jian CuiJing Zhou Hao Yang Source Type: journals
Influence of geochemical parameters on the sorption and desorption behaviour of europium and gadolinium onto kaoliniteEmail this article to a colleague.
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Ralf Kautenburger, Horst P. Beck
(Paper from J. Environ. Monit.)
Ralf Kautenburger, J. Environ. Monit., 2010, DOI: 10.1039/b914861b
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Source: RSC - J. Environ. Monit. latest articles - March 17, 2010 Category: Environmental Health Authors: Ralf KautenburgerHorst P. Beck Source Type: journals
Mesothelioma Subtypes: Do They Really Affect Prognosis?Email this article to a colleague.
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In conclusion, the researchers found, “The extremely poor prognosis of sarcomatoid malignant pleural mesothelioma is independent of the extent of surgery unlike other cell types. Patients with sarcomatoid histology should therefore be considered separately in trials evaluating radical procedures and adjuvant treatment. The treatment of biphasic pleural mesothelioma remains debatable.”
Additional information on mesothelioma may be found through the Mesothelioma Center. (Source: Asbestos and Mesothelioma News)
Source: Asbestos and Mesothelioma News - March 16, 2010 Category: Environmental Health Authors: mwhitmer Tags: Mesothelioma Mesothelioma Research Mesothelioma Treatment Malignant Mesothelioma Mesothelioma Prognosis Source Type: news
Groundwater Manganese and Infant Mortality Rate by County in North Carolina: An Ecological AnalysisEmail this article to a colleague.
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This study is the first to show on a statewide basis adverse infant mortality effects of environmental manganese.
These pilot data argue for further research into a broad range of developmental effects and also may be useful to regulatory
agencies interested in protecting communities’ health.
Content Type Journal ArticleCategory Original ContributionDOI 10.1007/s10393-010-0291-4Authors
Andrew H. Spangler, Wake Forest University School of Medicine Department of Family and Community Medicine Medical Center Boulevard Winston-Salem NC 27157 USAJohn G. Spangler, Wake Forest University School of Medicine Department of...
Source: EcoHealth - March 16, 2010 Category: Environmental Health Tags: EcoHealth Source Type: journals
Health Surveillance of Stranded Green Turtles in Southern Queensland, Australia (2006–2009): An Epidemiological Analysis of Causes of Disease and MortalityEmail this article to a colleague.
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Abstract Causes of disease and mortality in marine turtles are frequently based on opportunistic investigations producing results that
may not contribute to knowledge on how to protect their survival rate. Over a 4-year period (2006–2009), the major causes
of stranding and morbidity in 100 green turtles (Chelonia mydas) from southern Queensland on the east coast of Australia were determined by comprehensive postmortem examination. Lesions
were characterized for analysis using descriptive and probability statistics. Spirorchiid parasitism was found to be the most
frequently occurring cause of mortality (41....
Source: EcoHealth - March 16, 2010 Category: Environmental Health Tags: EcoHealth Source Type: journals
Microclimate and Human Factors in the Divergent Ecology of Aedes aegypti along the Arizona, U.S./Sonora, MX BorderEmail this article to a colleague.
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This study examined the association of human and environmental factors with the presence of Aedes aegypti, the vector for dengue fever and yellow fever viruses, in a desert region in the southwest United States and northwest Mexico.
Sixty-eight sites were longitudinally surveyed along the United States–Mexico border in Tucson, AZ, Nogales, AZ, and Nogales,
Sonora during a 3-year period. Aedes aegypti presence or absence at each site was measured three times per year using standard oviposition traps. Maximum and minimum
temperature and relative humidity were measured hourly at each site. Field inventories were conducte...
Source: EcoHealth - March 16, 2010 Category: Environmental Health Tags: EcoHealth Source Type: journals
Cross-Species Pathogen Transmission and Disease Emergence in PrimatesEmail this article to a colleague.
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Abstract Many of the most virulent emerging infectious diseases in humans, e.g., AIDS and Ebola, are zoonotic, having shifted from
wildlife populations. Critical questions for predicting disease emergence are: (1) what determines when and where a disease
will first cross from one species to another, and (2) which factors facilitate emergence after a successful host shift. In
wild primates, infectious diseases most often are shared between species that are closely related and inhabit the same geographic
region. Therefore, humans may be most vulnerable to diseases from the great apes, which include chimpanzees...
Source: EcoHealth - March 16, 2010 Category: Environmental Health Tags: EcoHealth Source Type: journals
12th EuCheMS International Conference on Chemistry and the Environment : Stockholm University, Stockholm, Sweden, 14-17 June, 2009.Email this article to a colleague.
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PMID: 20232165 [PubMed - as supplied by publisher] (Source: Environmental Science and Pollution Research International)
Source: Environmental Science and Pollution Research International - March 16, 2010 Category: Environmental Health Authors: de Lange WT, Giger W, Bergman A Tags: Environ Sci Pollut Res Int Source Type: journals
Leachability and leaching patterns from aluminium-based water treatment residual used as media in laboratory-scale engineered wetlands.Email this article to a colleague.
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CONCLUSIONS, RECOMMENDATIONS AND PERSPECTIVES: Overall, the study indicates that leaching is observed when Al-WTR is beneficially reused for enhanced P removal in engineered wetlands. In particular, levels of aluminium in the treated effluent beyond the prescribed limits of 0.2 mg/l were observed. However, since the results obtained indicate that aluminium leached is mostly associated with solids, a post-treatment unit which can further reduce the level of aluminium in the treated effluent by filtering out the solids could serve to mitigate this. In addition, plants used in such wetland systems can uptake metals and this c...
Source: Environmental Science and Pollution Research International - March 16, 2010 Category: Environmental Health Authors: Babatunde AO, Zhao YQ Tags: Environ Sci Pollut Res Int Source Type: journals
Global Estimates of Ambient Fine Particulate Matter Concentrations from Satellite-based Aerosol Optical Depth: Development and ApplicationEmail this article to a colleague.
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Conclusions: Satellite-derived total-column AOD, when combined with an aerosol transport model, provides estimates of global long-term average PM2.5 concentrations. (Source: EHP-in-Press)
Source: EHP-in-Press - March 16, 2010 Category: Environmental Health Authors: Aaron van Donkelaar et al. Source Type: journals
Mesothelioma Treatment: Potential Vaccination to Combat Asbestos CancerEmail this article to a colleague.
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Recent findings from a study that have been published in the American Thoracic Society’s American Journal of Respiratory and Critical Care Medicine have indicated a potential vaccine that can be safely used to combat mesothelioma cancer.
The vaccine helps combine a patient’s own dentritic cells (DC) with an antigen from the patient’s mesothelioma tumor. As a result, a T-cell response against the mesothelioma tumor can be generated.
According to Joachim G Aerts, a researcher and pulmonary physician at Erasmus Medical Center in the Netherlands, “This is the first human study on DC-based immunotherapy in patients ...
Source: Asbestos and Mesothelioma News - March 15, 2010 Category: Environmental Health Authors: jwhitmer Tags: Mesothelioma Mesothelioma Research Mesothelioma Treatment Malignant Mesothelioma Source Type: news
Compact semi-automatic incident sampler for personal monitoring of volatile organic compounds in occupational airEmail this article to a colleague.
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Kasper Solbu, Merete Hersson, Syvert Thorud, Elsa Lundanes, Terje Nilsen, Ole Synnes, Dag Ellingsen, Paal Molander
(Paper from J. Environ. Monit.)
Kasper Solbu, J. Environ. Monit., 2010, DOI: 10.1039/b925053k
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Source: RSC - J. Environ. Monit. latest articles - March 15, 2010 Category: Environmental Health Authors: Kasper SolbuMerete Hersson Syvert Thorud Elsa Lundanes Terje Nilsen Ole Synnes Dag Ellingsen Paal Molander Source Type: journals
Patterns of Protozoan Infections: Spatiotemporal Associations with Cattle DensityEmail this article to a colleague.
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The objective of this study was to assess spatial and temporal associations between cattle density and hospitalizations
for protozoan infections in the U.S. elderly. Data on protozoan infections were abstracted from Centers for Medicare and Medicaid
Services datasets for a 14-year period (1991–2004). Cattle inventory data were abstracted from the 2002 U.S. Census of Agriculture.
Counties were classified into one of five exposure categories based on both cattle density and human density. Our analyses
considered differences in rates, trends, and variations in seasonal patterns based on exposure categories. Cryptosporid...
Source: EcoHealth - March 14, 2010 Category: Environmental Health Tags: EcoHealth Source Type: journals
Invasion of the Lyme Disease Vector Ixodes scapularis: Implications for Borrelia burgdorferi EndemicityEmail this article to a colleague.
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Abstract Lyme disease risk is increasing in the United States due in part to the spread of blacklegged ticks Ixodes
scapularis, the principal vector of the spirochetal pathogen Borrelia
burgdorferi. A 5-year study was undertaken to investigate hypothesized coinvasion of I. scapularis and B. burgdorferi in Lower Michigan. We tracked the spatial and temporal dynamics of the tick and spirochete using mammal, bird, and vegetation
drag sampling at eight field sites along coastal and inland transects originating in a zone of recent I.
scapularis establishment. We document northward invasion of these ticks along Mi...
Source: EcoHealth - March 14, 2010 Category: Environmental Health Tags: EcoHealth Source Type: journals
Mesocosm trials of bioremediation of contaminated soil of a petroleum refinery: comparison of natural attenuation, biostimulation and bioaugmentation.Email this article to a colleague.
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CONCLUSIONS: A cost-effective way to reduce half-life for the degradation of PHC of contaminated soil of the refinery will be a periodic revolving of the soil, like tillage, in order to expose to the oxidative atmosphere the different layers of contaminated soil. A combination of soil revolving with bioaugmentation together with nutrients and surfactant amendments may result in an additional improvement of PHC degradation rate. However, this last procedure will raise markedly the price of the remediation treatment.
PMID: 20229281 [PubMed - as supplied by publisher] (Source: Environmental Science and Pollution Research International)
Source: Environmental Science and Pollution Research International - March 14, 2010 Category: Environmental Health Authors: Couto MN, Monteiro E, Vasconcelos MT Tags: Environ Sci Pollut Res Int Source Type: journals
Toxicity Evaluation of a Conservation Effects Assessment Program Watershed, Beasley Lake, in the Mississippi Delta, USA.Email this article to a colleague.
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Beasley Lake was assessed monthly in 2005 for biological impairment from 17 historic and current-use pesticides in water and leaf litter using Hyalella azteca (Saussure). Sixteen pesticides were detected in both water and leaf litter with peak detections in spring and summer. Detections ranged from 1-125 ng L(-1) in water and 1-539 ng g(-1) OC in leaf litter. Ten-day H. azteca survival and growth (mg dw) bioassay results indicated no adverse effects on survival or growth in H. azteca exposed to water or leaf litter. Rather, enhanced growth occurred in both lake water and leaf litter exposures for 8 and 6 months, respec...
Source: Bulletin of Environmental Contamination and Toxicology - March 14, 2010 Category: Environmental Health Authors: Lizotte RE, Knight SS, Cooper CM Tags: Bull Environ Contam Toxicol Source Type: journals
Mesothelioma Risk Found Among Asbestos Brake and Clutch Manufacturer WorkersEmail this article to a colleague.
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This study also evaluated the fiber size and morphology distribution according to the Asbestos International Association (AIA) for standardization analytical method for asbestos.”
To collect data the study utilized a phase contrast microscopy (PCM) and scanning electron microscope (SEM) equipped with an energy-dispersive X-ray analyzer (EDX). These high resolution instruments revealed sample measurements to contain approximately 50 percent chrysotile, 30 percent tremolite and 20 percent actinolite.
Based on this data, it was determined that 50 percent of airborne asbestos fibers inhaled by the workers were of the amphibo...
Source: Asbestos and Mesothelioma News - March 12, 2010 Category: Environmental Health Authors: mwhitmer Tags: Asbestos Exposure Mesothelioma Malignant Mesothelioma Mesothelioma Cancer Source Type: news
The Link Between Rapid Enigmatic Amphibian Decline and the Globally Emerging Chytrid FungusEmail this article to a colleague.
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Abstract Amphibians are globally declining and approximately one-third of all species are threatened with extinction. Some of the most
severe declines have occurred suddenly and for unknown reasons in apparently pristine habitats. It has been hypothesized that
these “rapid enigmatic declines” are the result of a panzootic of the disease chytridiomycosis caused by globally emerging
amphibian chytrid fungus. In a Species Distribution Model, we identified the potential distribution of this pathogen. Areas
and species from which rapid enigmatic decline are known significantly overlap with those of highest en...
Source: EcoHealth - March 12, 2010 Category: Environmental Health Tags: EcoHealth Source Type: journals
Wicked Water: Engaging with Communities in Complex Conversations about Water RecyclingEmail this article to a colleague.
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Abstract Water security is at the forefront of public attention in Australia. One response to Australia’s current water situation is
water recycling; however, community responses to recycling have been contentious. Examining reactions to recycling reveals
that debates are underpinned by competing discourses about water, giving rise to different ways of talking, writing, making
meaning, and responding to issues of water security. In 2007 a local government in Australia considered a proposal to augment
domestic water storages with highly treated wastewater. This was referred to as the “Water2WATER” proje...
Source: EcoHealth - March 12, 2010 Category: Environmental Health Tags: EcoHealth Source Type: journals
Predicted No Effect Concentration (PNEC) for triclosan to terrestrial species (invertebrates and plants).Email this article to a colleague.
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Triclosan (TCS) is an antimicrobial agent which is used as a broad-spectrum bacteriostatic and found in personal care products, and due to this it is spread in the environment. Aquatic toxicity studies have been reported, but little data is available for its toxicity to terrestrial organisms. The main purpose of this study was to assess the toxicity of TCS in the terrestrial environment, using a battery of soil species, belonging to different taxonomic levels. The species included the invertebrates Eisenia andrei, Enchytraeus albidus and Folsomia candida and the plants Triticum aestivum (monocotyledonous) and Brassica ...
Source: Environment International - March 12, 2010 Category: Environmental Health Authors: Amorim MJ, Oliveira E, Soares AM, Scott-Fordsmand JJ Tags: Environ Int Source Type: journals
Evaluation of the suitability of recombinant yeast-based estrogenicity assays as a pre-screening tool in environmental samples.Email this article to a colleague.
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This paper presents a study evaluating the suitability of recombinant yeast-based estrogenicity assays as a pre-screening tool for monitoring of the chemical status of water bodies in support of the Water Framework Directive (WFD). Three different recombinant yeast-based assays were evaluated; the Yeast Estrogen Screen (YES), the Recombinant Yeast Assay (RYA) and the Rikilt Estrogen bioAssay (REA), of which the YES assay was employed by two different laboratories. No significant difference between the performance of neither the different laboratories, nor the different yeast-assays was observed. Six batches of eleven s...
Source: Environment International - March 12, 2010 Category: Environmental Health Authors: Brix R, Noguerol TN, Piña B, Balaam J, Nilsen AJ, Tollefsen KE, Levy W, Schramm KW, Barceló D Tags: Environ Int Source Type: journals
Sterilization affects soil organic matter chemistry and bioaccumulation of spiked p,p'-DDE and anthracene by earthworms.Email this article to a colleague.
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Laboratory experiments were conducted to assess the effects of soil sterilization on the bioavailability of spiked p,p'-DDE and anthracene to the earthworms Eisenia fetida and Lumbricus terrestris. Physical and chemical changes to soil organic matter (SOM) induced by sterilization were also studied. Uptake of both compounds added after soil was autoclaved or gamma irradiated increased for E. fetida. Sterilization had no effect on bioaccumulation of p,p'-DDE by L. terrestris, and anthracene uptake increased only in gamma-irradiated soils. Analyses by FT-IR and DSC indicate sterilization alters SOM chemistry and may redu...
Source: Environmental Pollution - March 12, 2010 Category: Environmental Health Authors: Kelsey JW, Slizovskiy IB, Peters RD, Melnick AM Tags: Environ Pollut Source Type: journals
Rapid detection of toxic metals in non-crushed oyster shells by portable X-ray fluorescence spectrometry.Email this article to a colleague.
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The aim of this study was the multi-elemental detection of toxic metals such as lead (Pb) in non-crushed oyster shells by using a portable X-ray fluorescence (XRF) spectrometer. A rapid, simultaneous multi-element analytical methodology for non-crushed oyster shells has been developed using a portable XRF which provides a quick, quantitative, non-destructive, and cost-effective mean for assessment of oyster shell contamination from Pb. Pb contamination in oyster shells was further confirmed by scanning electron microscopy with energy dispersive spectroscopy (SEM-EDS). The results indicated that Pb is distributed in-hom...
Source: Environmental Pollution - March 12, 2010 Category: Environmental Health Authors: Chou J, Clement G, Bursavich B, Elbers D, Cao B, Zhou W Tags: Environ Pollut Source Type: journals
Tracking nitrogen losses in a greenhouse crop rotation experiment in North China using the EU-Rotate_N simulation model.Email this article to a colleague.
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Vegetable production in China is associated with high inputs of nitrogen, posing a risk of losses to the environment. Organic matter mineralisation is a considerable source of nitrogen (N) which is hard to quantify. In a two-year greenhouse cucumber experiment with different N treatments in North China, non-observed pathways of the N cycle were estimated using the EU-Rotate_N simulation model. EU-Rotate_N was calibrated against crop dry matter and soil moisture data to predict crop N uptake, soil mineral N contents, N mineralisation and N loss. Crop N uptake (Modelling Efficiencies (ME) between 0.80 and 0.92) and soil ...
Source: Environmental Pollution - March 12, 2010 Category: Environmental Health Authors: Guo R, Nendel C, Rahn C, Jiang C, Chen Q Tags: Environ Pollut Source Type: journals
Effects of ammonia from livestock farming on lichen photosynthesis.Email this article to a colleague.
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This study investigated if atmospheric ammonia (NH(3)) pollution around a sheep farm influences the photosynthetic performance of the lichens Evernia prunastri and Pseudevernia furfuracea. Thalli of both species were transplanted for up to 30 days in a semi-arid region (Crete, Greece), at sites with concentrations of atmospheric ammonia of ca. 60 mug/m(3) (at a sheep farm), ca. 15 mug/m(3) (60 m from the sheep farm) and ca. 2 mug/m(3) (a remote area 5 km away). Lichen photosynthesis was analysed by the chlorophyll a fluorescence emission to identify targets of ammonia pollution. The results indicated that the photosystem I...
Source: Environmental Pollution - March 12, 2010 Category: Environmental Health Authors: Paoli L, Pirintsos SA, Kotzabasis K, Pisani T, Navakoudis E, Loppi S Tags: Environ Pollut Source Type: journals
Biodegradation kinetics of selected brominated flame retardants in aerobic and anaerobic soil.Email this article to a colleague.
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The purpose of the present study was to investigate the biodegradation kinetics in aerobic and anaerobic soil of the following brominated flame retardants: 2,4,4'-tribromodiphenyl ether (BDE 28), decabromodiphenyl ether (BDE 209), tetrabromobisphenol A (TBBPA), 1,2-dibromo-4-(1,2-dibromoethyl)cyclohexane (TBECH), 2,4,6-tribromophenol (246BrPh), and hexabromobenzene (HxBrBz). For comparison, the biodegradation of the chlorinated compounds 2,4,4'-trichlorodiphenyl ether (CDE 28), 2,4,6-trichlorophenol (246ClPh), hexachlorobenzene (HxClBz), and 2,2',4,4',5,5'-hexachlorobiphenyl (PCB 153) was also assessed. In aerobic soil...
Source: Environmental Pollution - March 12, 2010 Category: Environmental Health Authors: Nyholm JR, Lundberg C, Andersson PL Tags: Environ Pollut Source Type: journals
Residues in Brandt's voles (Microtus brandti) exposed to bromadiolone-impregnated baits in Mongolia.Email this article to a colleague.
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In 2002, hundreds of non-target wildlife deaths occurred in Mongolia following aerial applications of bromadiolone, an anticoagulant rodenticide, to control eruptive Brandt's vole (Microtus brandti) populations. To clarify whether secondary poisoning could have contributed to these deaths, a field study was undertaken in Mongolia to measure bromadiolone residues in voles following exposure to two concentrations (50 and 500mg/kg) of bromadiolone-treated wheat. The two treatments produced different total burdens (2.65mug+/-0.53SE and 13.70mug+/-3.82SE, respectively) and liver burdens (1.74mug+/-0.33SE and 8.81mug+/-2.33S...
Source: Ecotoxicology and Environmental Safety - March 12, 2010 Category: Environmental Health Authors: Winters AM, Rumbeiha WK, Winterstein SR, Fine AE, Munkhtsog B, Hickling GJ Tags: Ecotoxicol Environ Saf Source Type: journals
Screening for PFOS and PFOA in European air using passive samplersEmail this article to a colleague.
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Chakra Chaemfa, Jonathan L. Barber, Sandra Huber, Knut Breivik, Kevin C. Jones
(Paper from J. Environ. Monit.)
Chakra Chaemfa, J. Environ. Monit., 2010, DOI: 10.1039/b921628f
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Source: RSC - J. Environ. Monit. latest articles - March 12, 2010 Category: Environmental Health Authors: Chakra ChaemfaJonathan L. Barber Sandra Huber Knut Breivik Kevin C. Jones Source Type: journals
Trace Metal Content in Mussels, Perna viridis L., Obtained from Selected Seafood Markets in a Metropolitan City.Email this article to a colleague.
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Mussels, Perna viridis L., obtained from three selected seafood markets in Metro Manila, were tested for metal content including cadmium, copper, lead, and zinc through atomic absorption spectrophotometry. Water samples from Bacoor Bay, Cavite, which supplies mussels to the market, were likewise subjected to similar metal analyses. Of the metals analyzed in the soft tissues of mussels, only copper and lead with highest obtained values of 10.4 mg/kg and 2.3 mg/kg, respectively exceeded the PEMSEA guideline for safe human consumption. Water samples collected from the harvest sites in Bacoor Bay showed high concentrations...
Source: Bulletin of Environmental Contamination and Toxicology - March 12, 2010 Category: Environmental Health Authors: Dumalagan HG, Gonzales AC, Hallare AV Tags: Bull Environ Contam Toxicol Source Type: journals
Effect of Initial Oil Concentration and Dispersant on Crude Oil Biodegradation in Contaminated Seawater.Email this article to a colleague.
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The effects of initial oil concentration and the Corexit 9500 dispersant on the rate of bioremediation of petroleum hydrocarbons were investigated with a series of ex-situ seawater samples. With initial oil concentrations of 100, 500, 1,000 and 2,000 mg/L, removal of total petroleum hydrocarbons (TPHs) with dispersant were 67.3%, 62.5%, 56.5% and 44.7%, respectively, and were 64.2%, 55.7%, 48.8% and 37.6% without dispersant. The results clearly indicate that the presence of dispersant enhanced crude oil biodegradation. Lower concentrations of crude oil demonstrated more efficient hydrocarbon removal. Based on these fin...
Source: Bulletin of Environmental Contamination and Toxicology - March 12, 2010 Category: Environmental Health Authors: Zahed MA, Aziz HA, Isa MH, Mohajeri L Tags: Bull Environ Contam Toxicol Source Type: journals
Mercury Concentrations in Quagga Mussels, Dreissena bugensis, from Lakes Mead, Mohave and Havasu.Email this article to a colleague.
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The recent invasion of the Dressenid species, the quagga mussel, Dreissena bugensis, into Lakes Mead, Mohave and Havasu has raised questions about their ability to alter contaminant cycling. Mussels were collected from 25 locations in the three lakes. The overall average was 0.036 +/- 0.016 mug g(-1) Hg dry wt. The range of the three lakes was from 0.014-0.093 mug g(-1) Hg dry wt. There were no significant differences in mercury concentrations among the three lakes (F = 0.07; p = 0.794). From this baseline data of contaminants in quagga mussels from the lower Colorado River, this species may be used to biomonitor lake ...
Source: Bulletin of Environmental Contamination and Toxicology - March 12, 2010 Category: Environmental Health Authors: Mueting SA, Gerstenberger SL Tags: Bull Environ Contam Toxicol Source Type: journals
Evaluation of a simultaneous sampling method of PAHs, PCDD/Fs and dl-PCBs in ambient airEmail this article to a colleague.
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Silvia Mosca, Giorgia Nadia Torelli, Ettore Guerriero, Giovanna Tramontana, Silvia Pomponio, Gianluca Rossetti, Mauro Rotatori
(Paper from J. Environ. Monit.)
Silvia Mosca, J. Environ. Monit., 2010, DOI: 10.1039/b927004c
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Source: RSC - J. Environ. Monit. latest articles - March 12, 2010 Category: Environmental Health Authors: Silvia MoscaGiorgia Nadia Torelli Ettore Guerriero Giovanna Tramontana Silvia Pomponio Gianluca Rossetti Mauro Rotatori Source Type: journals
Mesothelioma Cancer Takes Life of Pro Football Hall of Famer Merlin OlsenEmail this article to a colleague.
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Former National Football League (NFL) player Merlin Olsen passed away on March 10, 2010 at the age of 69 after battling the rare cancer mesothelioma.
Olsen gained fame from his 15-year career with the Los Angeles Rams, 14 of which he was selected into the Pro Bowl. In addition to his career in the NFL, Olsen was a sportscaster, actor and spokesperson for FTD Florists.
Prior to his death, Olsen and his wife were in the process of suing NBC Studios, NBC Universal, 20th Century Fox Sherwin Williams, Lennox Industries and other companies for his development of malignant mesothelioma.
Mesothelioma is a cancer that affects appro...
Source: Asbestos and Mesothelioma News - March 11, 2010 Category: Environmental Health Authors: jwhitmer Tags: Asbestos Exposure Mesothelioma Malignant Mesothelioma Source Type: news
Exposure of the Flemish population to brominated flame retardants: Model and risk assessment.Email this article to a colleague.
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Human exposure to brominated flame retardants (BFRs) varies widely throughout the world as it depends on country-related usage, production and legislation of these chemicals. US and UK exposure assessments show very diverse levels and patterns which in turn, are likely to differ from those in background exposed countries such as Belgium, where levels tend to be about an order of magnitude lower. The current study assessed human exposure to BFRs through the indoor and outdoor environment (e.g. dust, soil, and air) and food for all age groups in Flanders, Belgium. Most relevant food groups were identified based on a nati...
Source: Environment International - March 11, 2010 Category: Environmental Health Authors: Roosens L, Cornelis C, D'Hollander W, Bervoets L, Reynders H, Van Campenhout K, Van Den Heuvel R, Neels H, Covaci A Tags: Environ Int Source Type: journals
Ambient air pollution exposure, residential mobility and term birth weight in Oslo, Norway.Email this article to a colleague.
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Environmental exposure during pregnancy may have lifelong health consequences for the offspring and some studies have association between maternal exposure to air pollution during pregnancy and offspring's birth weight. However, many of these studies do not take into account small-scale variations in exposure, residential mobility, and work addresses during pregnancy. We used information from the National Birth Registry of Norway to examine associations between ambient environmental exposure such as air pollution and temperature, and offspring's birth weight taking advantage of information on migration history and work...
Source: Environmental Research - March 11, 2010 Category: Environmental Health Authors: Madsen C, Gehring U, Erik Walker S, Brunekreef B, Stigum H, Næss O, Nafstad P Tags: Environ Res Source Type: journals
Influence of a five-day vegetarian diet on urinary levels of antibiotics and phthalate metabolites: A pilot study with "Temple Stay" participants.Email this article to a colleague.
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Diet is purported to be means of exposure to many environmental contaminants. The purpose of this study is to understand the influence of dietary change on the levels of exposure to several environmental chemicals - in particular, antibiotics and phthalates. For this purpose, we examined the extent to which short-term changes in diet influenced the inadvertent exposure levels to these chemicals in an adult population. We recruited participants (n=25) of a five-day 'Temple Stay' program in Korea and collected urine samples before and after the program. We also conducted a questionnaire survey on participants' dietary pa...
Source: Environmental Research - March 11, 2010 Category: Environmental Health Authors: Ji K, Lim Kho Y, Park Y, Choi K Tags: Environ Res Source Type: journals
Role of Reduced Glutathione in the Amelioration of Nicotine-Induced Oxidative Stress.Email this article to a colleague.
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This study investigates the role of reduce glutathione (GSH) against nicotine treated liver and kidney toxicity. Results showed that the application of 80 mg GSH per kg body weight per day exert protective effect against nicotine-induced liver and kidney toxicity by modulating the biochemical marker enzyme LDH, lipid peroxidation and augmenting antioxidant defense system. To our knowledge, this is the first finding of this sort.
PMID: 20221824 [PubMed - as supplied by publisher] (Source: Bulletin of Environmental Contamination and Toxicology)
Source: Bulletin of Environmental Contamination and Toxicology - March 11, 2010 Category: Environmental Health Authors: Dey SK, Roy S Tags: Bull Environ Contam Toxicol Source Type: journals
Assessment of forest net primary production through the elaboration of multisource ground and remote sensing dataEmail this article to a colleague.
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Fabio Maselli, Marta Chiesi, Anna Barbati, Piermaria Corona
(Paper from J. Environ. Monit.)
Fabio Maselli, J. Environ. Monit., 2010, DOI: 10.1039/b924629k
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Source: RSC - J. Environ. Monit. latest articles - March 11, 2010 Category: Environmental Health Authors: Fabio MaselliMarta Chiesi Anna Barbati Piermaria Corona Source Type: journals
Fungal spores from Pleosporales in the atmosphere of urban and rural locations in PortugalEmail this article to a colleague.
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Manuela Oliveira, Luis Delgado, Helena Ribeiro, Ilda Abreu
(Paper from J. Environ. Monit.)
Manuela Oliveira, J. Environ. Monit., 2010, DOI: 10.1039/b913705j
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Source: RSC - J. Environ. Monit. latest articles - March 11, 2010 Category: Environmental Health Authors: Manuela OliveiraLuis Delgado Helena Ribeiro Ilda Abreu Source Type: journals
Mesothelioma Researchers Find Success in Suppressing Growth of Mesothelioma CellsEmail this article to a colleague.
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Japanese mesothelioma researchers recently published a study reporting on the success of combining a PLK-1 siRNA with zoledronic acid treatment against mesothelioma cells in vitro.
A great deal of mesothelioma research takes place “in vitro” (in the glass) rather than “in vivo” (in the living). In vitro studies are preliminary studies that effectively test potential mesothelioma treatments without presenting risk to human patients coping with the cancer. These studies take place in a test tube (in the glass) amid a laboratory setting.
This in vitro study sought to test the combination of various biological agents...
Source: Asbestos and Mesothelioma News - March 10, 2010 Category: Environmental Health Authors: mwhitmer Tags: Asbestos Exposure Mesothelioma Mesothelioma Research Mesothelioma Treatment Malignant Mesothelioma Source Type: news
Broad Distribution of Ranavirus in Free-Ranging Rana dybowskii in Heilongjiang, ChinaEmail this article to a colleague.
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Abstract Ranaviruses have been associated with die-offs in cultured amphibians in China, but their presence in wild amphibians has
not yet been assessed. We sampled free-ranging Rana dybowskii at seven sites throughout Heilongjiang Province to determine the presence and prevalence of ranaviruses in this region. Our
results revealed an overall infection prevalence of 5.7% (18/315) for adults and 42.5% (51/120) for tadpoles by PCR. PCR-amplified
product showed a high degree of homology with several members of the Iridoviridae, mostly with those belonging to the genus Ranavirus. The results indicate that ranavir...
Source: EcoHealth - March 10, 2010 Category: Environmental Health Tags: EcoHealth Source Type: journals
