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https://www.readbyqxmd.com/read/29353173/use-of-cu-zn-superoxide-dismutase-tool-for-biomonitoring-marine-environment-pollution-in-the-persian-gulf-and-the-gulf-of-oman
#1
Farrokhzad Zeinali, Ahmad Homaei, Ehsan Kamrani, Seema Patel
Superoxide dismutase (SOD) is the pivotal antioxidant enzyme that defends organisms against the oxidative stresses of superoxide radicals. In this experimental study, purification of SOD from the leaves of Avicennia marina (grey mangrove or white mangrove) from the family Acanthaceae, located in Sirik mangrove forest on the shore of the Gulf of Oman was performed, for the intended characterization of SOD. The Sirik AmSOD (A. marina SOD) expressed optimum activity in the pH range of 6-9 with the maximum activity at pH 8...
January 16, 2018: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/29353125/relationship-between-serum-trimethylamine-n-oxide-and-exposure-to-dioxin-like-pollutants
#2
Michael C Petriello, Richard Charnigo, Manjula Sunkara, Sony Soman, Marian Pavuk, Linda Birnbaum, Andrew J Morris, Bernhard Hennig
Trimethylamine N-oxide (TMAO) is a diet and gut microbiota-derived metabolite that has been linked to cardiovascular disease risk in human studies and animal models. TMAO levels show wide inter and intra individual variability in humans that can likely be accounted for by multiple factors including diet, the gut microbiota, levels of the TMAO generating liver enzyme Flavin-containing monooxygenase 3 (FMO3) and kidney function. We recently found that dioxin-like (DL) environmental pollutants increased FMO3 expression to elevate circulating diet-derived TMAO in mice, suggesting that exposure to this class of pollutants might also contribute to inter-individual variability in circulating TMAO levels in humans...
January 16, 2018: Environmental Research
https://www.readbyqxmd.com/read/29352707/prenatal-exposure-to-lead-in-france-cord-blood-levels-and-associated-factors-results-from-the-perinatal-component-of-the-french-longitudinal-study-since-childhood-elfe
#3
Abdessattar Saoudi, Clémentine Dereumeaux, Sarah Goria, Bénédicte Berat, Serge Brunel, Marie Pecheux, Perrine de Crouy-Chanel, Abdelkrim Zeghnoun, Loïc Rambaud, Vérène Wagner, Alain le Tertre, Clémence Fillol, Stéphanie Vandentorren, Laurence Guldner
BACKGROUND: As a result of the ban on lead in gasoline on 2nd January 2000, the French population's exposure to lead has decreased in recent years. However, because of the acknowledged harmful cognitive effects of lead even at low levels, lead exposure remains a major public health issue. In France, few biomonitoring data are available for exposure to lead in pregnant women and newborn. The purpose of the perinatal component of the French human biomonitoring (HBM) program was to describe levels of various biomarkers of exposure to several environmental pollutants, including lead, among mother-baby pairs...
January 11, 2018: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29351883/titanium-dioxide-nanoparticle-exposure-reduces-algal-biomass-and-alters-algal-assemblage-composition-in-wastewater-effluent-dominated-stream-mesocosms
#4
Moncie V Wright, Cole W Matson, Leanne S Baker, Benjamin T Castellon, Preston S Watkins, Ryan S King
A 5-week mesocosm experiment was conducted to investigate the toxicity of titanium dioxide nanoparticles (TiO2NPs) to periphytic algae in an environmentally-realistic scenario. We used outdoor experimental streams to simulate the characteristics of central Texas streams receiving large discharges of wastewater treatment plant effluent during prolonged periods of drought. The streams were continually dosed and maintained at two concentrations. The first represents an environmentally relevant concentration of 0...
January 16, 2018: Science of the Total Environment
https://www.readbyqxmd.com/read/29350912/low-temperature-derived-3d-hexagonal-crystalline-fe3o4-nanoplates-for-water-purification
#5
Xiaoyi Wang, Yulong Liao, Huaiwu Zhang, Tianlong Wen, Dainan Zhang, Yuanxun Li, Mingzhen Liu, Faming Li, Qiye Wen, Zhiyong Zhong, Xingtian Yin
Fe3O4 nanoplates were fabricated by an anodic oxidation process and a subsequent water assisted crystallization process at low temperature, which was found to be very efficient and environmentally friendly. The as-prepared Fe3O4 nanoplates have hexagonal outlines with a thickness of about 20 nm. Tremendous grooves were distributed on the entire surfaces of the nanoplates, making the two-dimension nanoplates have a unique 3D morphology. Transmission electron microscopy results confirmed that the single-crystalline nature of the nanoplates was well maintained...
January 19, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29350354/magnetic-geochemical-characterization-and-health-risk-assessment-of-road-dust-in-xuanwei-and-fuyuan-china
#6
Zhengying Tan, Senlin Lu, Hui Zhao, Xiao Kai, Peng Jiaxian, Myat Sandar Win, Shang Yu, Shinich Yonemochi, Qingyue Wang
As an accumulation of solid organic and inorganic pollutant particles on outdoor ground surfaces, road dust is an important carrier of heavy metal contaminants and can be a valuable medium for characterizing urban environmental quality. Because the dusts can be an important source of atmospheric particles and take impact on human health, the aim of this study described in detail the mineralogical characteristics, morphology, and heavy metal content of road dust from Xuanwei and Fuyuan, locations with high lung cancer incidence...
January 19, 2018: Environmental Geochemistry and Health
https://www.readbyqxmd.com/read/29350309/population-genetics-of-the-endangered-and-wild-edible-plant-ottelia-acuminata-in-southwestern-china-using-novel-ssr-markers
#7
Shu Hua Zhai, Gen Shen Yin, Xiao Hong Yang
Ottelia acuminata is an edible aquatic plant species that is endemic to southwestern China. This plant has experienced habitat degradation resulting from environmental change and extensive human disturbance. Determining the genetic variation and genetic structure of O. acuminata populations could help develop strategies to collect, evaluate, utilize and conserve the species. To this end, we genotyped 183 individuals sampled throughout the species distribution using twelve novel nuclear microsatellite loci (nSSRs)...
January 19, 2018: Biochemical Genetics
https://www.readbyqxmd.com/read/29350217/an-integrated-tool-for-calculating-and-reducing-institution-carbon-and-nitrogen-footprints
#8
Allison M Leach, James N Galloway, Elizabeth A Castner, Jennifer Andrews, Neil Leary, John D Aber
The development of nitrogen footprint tools has allowed a range of entities to calculate and reduce their contribution to nitrogen pollution, but these tools represent just one aspect of environmental pollution. For example, institutions have been calculating their carbon footprints to track and manage their greenhouse gas emissions for over a decade. This article introduces an integrated tool that institutions can use to calculate, track, and manage their nitrogen and carbon footprints together. It presents the methodology for the combined tool, describes several metrics for comparing institution nitrogen and carbon footprint results, and discusses management strategies that reduce both the nitrogen and carbon footprints...
April 1, 2017: Sustainability (New Rochelle)
https://www.readbyqxmd.com/read/29349943/environmental-and-body-concentrations-of-heavy-metals-at-sites-near-and-distant-from-industrial-complexes-in-ulsan-korea
#9
Joo Hyun Sung, Inbo Oh, Ahra Kim, Jiho Lee, Chang Sun Sim, Cheolin Yoo, Sang Jin Park, Geun Bae Kim, Yangho Kim
BACKGROUND: Industrial pollution may affect the heavy metal body burden of people living near industrial complexes. We determined the average concentrations of atmospheric heavy metals in areas close to and distant from industrial complexes in Korea, and the body concentrations of these heavy metals in residents living near and distant from these facilities. METHODS: The atmospheric data of heavy metals (lead and cadmium) were from the Regional Air Monitoring Network in Ulsan...
January 29, 2018: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/29349491/formulation-and-stabilization-of-an-arthrobacter-strain-with-good-storage-stability-and-4-chlorophenol-degradation-activity-for-bioremediation
#10
Joakim Bjerketorp, Wilfred F M Röling, Xin-Mei Feng, Armando Hernández Garcia, Hermann J Heipieper, Sebastian Håkansson
Chlorophenols are widespread and of environmental concern due to their toxic and carcinogenic properties. Development of less costly and less technically challenging remediation methods are needed; therefore, we developed a formulation based on micronized vermiculite that, when air-dried, resulted in a granular product containing the 4-chlorophenol (4-CP)-degrading Gram-positive bacterium Arthrobacter chlorophenolicus A6. This formulation and stabilization method yielded survival rates of about 60% that remained stable in storage for at least 3 months at 4 °C...
January 18, 2018: Applied Microbiology and Biotechnology
https://www.readbyqxmd.com/read/29349109/data-collected-in-an-integrated-ecological-survey-of-rotifer-communities-and-corresponding-environmental-variables-in-the-highly-polluted-haihe-river-basin-china
#11
Wei Xiong, Jie Li, Yuzhan Yang, Weimin Wang, Baoqing Shan, Aibin Zhan
Here we presented two datasets (biological and environmental datasets) collected in a comprehensive large geographical scale (approximately 1.1×105 km2) survey of rivers/streams in the Haihe River Basin (HRB), which has become the most polluted river basin in past two decades in China. The survey selected a total of 94 representative sampling sites in the plain region of HRB, where environmental pollution is more severe than the mountain region. The biological dataset contains the information on the identified rotifer species and their abundance, while the environmental dataset provides the measured environmental variables at each sampling site...
April 2018: Data in Brief
https://www.readbyqxmd.com/read/29347936/comparative-analysis-of-copd-associated-with-tobacco-smoking-biomass-smoke-exposure-or-both
#12
Jordi Olloquequi, Sergio Jaime, Viviana Parra, Elizabeth Cornejo-Córdova, Gonzalo Valdivia, Àlvar Agustí, Rafael Silva O
BACKGROUND: Exposure to noxious gases and particles contained in both tobacco smoking (TS) and biomass smoke (BS) are well recognized environmental risk factors for chronic obstructive pulmonary disease (COPD). COPD is characterized by an abnormal inflammatory response, both in the pulmonary and systemic compartments. The differential effects of TS, BS or their combined exposure have not been well characterized yet. This study sought to compare the lung function characteristics and systemic inflammatory response in COPD patients exposed to TS, BS or their combination...
January 18, 2018: Respiratory Research
https://www.readbyqxmd.com/read/29346620/combating-global-antibiotic-resistance-emerging-one-health-concerns-in-lower-and-middle-income-countries
#13
Maya Nadimpalli, Elisabeth Delarocque-Astagneau, David C Love, Lance B Price, Bich-Tram Huynh, Jean-Marc Collard, Kruy Sun Lay, Laurence Borand, Awa Ndir, Timothy R Walsh, Didier Guillemot
Antibiotic misuse in lower- and middle-income countries (LMICs) contributes to the development of antibiotic resistance that can disseminate globally. Strategies specific to LMICs that seek to reduce antibiotic misuse by humans, but simultaneously improve antibiotic access, have been proposed. However, most approaches to date have not considered the growing impact of animal and environmental reservoirs of antibiotic resistance, which threaten to exacerbate the antibiotic resistance crisis in LMICs. In particular, current strategies do not prioritize the impacts of increased antibiotic use for terrestrial food-animal and aquaculture production, inadequate food safety, and widespread environmental pollution...
January 15, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29346418/the-relationship-of-lung-function-with-ambient-temperature
#14
Joseph M Collaco, Lawrence J Appel, John McGready, Garry R Cutting
BACKGROUND: Lung function is complex trait with both genetic and environmental factors contributing to variation. It is unknown how geographic factors such as climate affect population respiratory health. OBJECTIVE: To determine whether ambient air temperature is associated with lung function (FEV1) in the general population. DESIGN/SETTING: Associations between spirometry data from two National Health and Nutrition Examination Survey (NHANES) periods representative of the U...
2018: PloS One
https://www.readbyqxmd.com/read/29346326/lipid-membrane-nanosensors-for-environmental-monitoring-the-art-the-opportunities-and-the-challenges
#15
REVIEW
Georgia-Paraskevi Nikoleli, Dimitrios Nikolelis, Christina G Siontorou, Stephanos Karapetis
The advent of nanotechnology has brought along new materials, techniques, and concepts, readily adaptable to lipid membrane-based biosensing. The transition from micro-sensors to nano-sensors is neither straightforward nor effortless, yet it leads to devices with superior analytical characteristics: ultra-low detectability, small sample volumes, better capabilities for integration, and more available bioelements and processes. Environmental monitoring remains a complicated field dealing with a large variety of pollutants, several decomposition products, or secondary chemicals produced ad hoc in the short- or medium term, many sub-systems affected variously, and many processes largely unknown...
January 18, 2018: Sensors
https://www.readbyqxmd.com/read/29346115/mitochondrial-dysfunction-a-key-player-in-the-pathogenesis-of-cardiovascular-diseases-linked-to-air-pollution
#16
REVIEW
Sri Rahavi Boovarahan, Gino A Kurian
Air pollution has become an environmental burden with regard to non-communicable diseases, particularly heart disease. It has been reported that air pollution can accelerate the development of heart failure and atrial fibrillation. Air pollutants encompass various particulate matters (PMs), which change the blood composition and heart rate and eventually leads to cardiac failure by triggering atherosclerotic plaque ruptures or by developing irreversible ischemia. A series of major epidemiological and observational studies have established the noxious effect of air pollutants on cardiovascular diseases (CVD), but the underlying molecular mechanisms of its susceptibility and the pathological disease events remain largely elusive and are predicted to be initiated in the cell organelle...
January 18, 2018: Reviews on Environmental Health
https://www.readbyqxmd.com/read/29345269/tributyltin-induces-epigenetic-changes-and-decreases-the-expression-of-nuclear-respiratory-factor-1
#17
Saki Hanaoka, Keishi Ishida, Saki Tanaka, Shuichiro Sakamoto, Katsuhiro Okuda, Seigo Sanoh, Shigeru Ohta, Yaichiro Kotake
Tributyltin (TBT), a common organotin environmental pollutant, has been widely used as a component of marine antifouling paints. We previously reported that exposure to TBT inhibits the expression and DNA binding of nuclear respiratory factor-1 (NRF-1) and causes neurotoxicity. In the present study, we focused on the epigenetic effects of TBT and investigated whether TBT decreases NRF-1 expression via epigenetic modifications in SH-SY5Y human neuroblastoma cells. First, we found that exposure to 300 nM TBT decreases NRF-1 expression...
January 18, 2018: Metallomics: Integrated Biometal Science
https://www.readbyqxmd.com/read/29344709/microbial-characterization-of-methanogenic-and-iron-reducing-consortium-in-reactors-with-polychlorinated-biphenyls
#18
Mara R de Lima E Silva, Regiane C Correa, Isabel K Sakamoto, Maria B A Varesche
Recent papers have confirmed current environmental pollution and the continuous release of polychlorinated biphenyls (PCBs) despite the prohibition of its manufacture worldwide. As the dehalogenating microorganisms are able to remove halogens from various analogous compounds, the characterization of PCB metabolisms can improve the degradation of similar compounds. Thus, this study extensively evaluated the microbial community developed in methanogenic and iron-reducing reactors. The horizontal-flow anaerobic reactor (HAIB) with real waste of Aroclor (1 mL L-1) was fed with mineral medium, ethanol, and sodium formate...
January 17, 2018: Current Microbiology
https://www.readbyqxmd.com/read/29342195/association-between-pm10-pm2-5-no2-o3-and-self-reported-diabetes-in-italy-a-cross-sectional-ecological-study
#19
Riccardo Orioli, Giuseppe Cremona, Luisella Ciancarella, Angelo G Solimini
INTRODUCTION: Air pollution represents a serious threat to health on a global scale, being responsible for a large portion of the global burden of disease from environmental factors. Current evidence about the association between air pollution exposure and Diabetes Mellitus (DM) is still controversial. We aimed to evaluate the association between area-level ambient air pollution and self-reported DM in a large population sample in Italy. MATERIALS AND METHODS: We extracted information about self-reported and physician diagnosed DM, risk factors and socio-economic status from 12 surveys conducted nationwide between 1999 and 2013...
2018: PloS One
https://www.readbyqxmd.com/read/29341949/impact-of-air-pollution-and-outdoor-temperature-on-the-rate-of-chronic-obstructive-pulmonary-disease-exacerbations
#20
Iliya I Krachunov, Nikolay H Kyuchukov, Zlatina I Ivanova, Nikolay A Yanev, Petkana A Hristova, Elena D Borisova, Tsanya P Popova, Plamen S Pavlov, Pavlina T Nikolova, Yavor Y Ivanov
BACKGROUND: Environmental pollution can be one of the main risk factors for acute exacerbations of chronic obstructive pulmonary disease (COPD). AIM: To study the relationship between air pollution, outdoor temperature and exacerbations of COPD. MATERIALS AND METHODS: COPD patients (n=1432) were followed up for one year. The levels of particulate matter up to 10 μm (PM10), nitrogen dioxide (NO2), sulfur dioxide (SO2) and outside temperatures were collected from the Environmental Agency database...
December 20, 2017: Folia Medica
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