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https://www.readbyqxmd.com/read/28531798/environmental-hazard-assessment-of-a-marine-mine-tailings-deposit-site-and-potential-implications-for-deep-sea-mining
#1
Nélia C Mestre, Thiago L Rocha, Miquel Canals, Cátia Cardoso, Roberto Danovaro, Antonio Dell'Anno, Cristina Gambi, Francesco Regoli, Anna Sanchez-Vidal, Maria João Bebianno
Portmán Bay is a heavily contaminated area resulting from decades of metal mine tailings disposal, and is considered a suitable shallow-water analogue to investigate the potential ecotoxicological impact of deep-sea mining. Resuspension plumes were artificially created by removing the top layer of the mine tailings deposit by bottom trawling. Mussels were deployed at three sites: i) off the mine tailings deposit area; ii) on the mine tailings deposit beyond the influence from the resuspension plumes; iii) under the influence of the artificially generated resuspension plumes...
May 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28531345/plastic-and-human-health-a-micro-issue
#2
Stephanie L Wright, Frank J Kelly
Microplastics are a pollutant of environmental concern. Their presence in food destined for human consumption and in air samples has been reported. Thus, microplastic exposure via diet or inhalation could occur, the human health effects of which are unknown. The current review article draws upon cross-disciplinary scientific literature to discuss and evaluate the potential human health impacts of microplastics and outlines urgent areas for future research. Key literature up to September 2016 relating to bioaccumulation, particle toxicity, and chemical and microbial contaminants were critically examined...
May 22, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28531265/utility-of-nonhuman-primates-in-substance-use-disorders-research
#3
Matthew L Banks, Paul W Czoty, Sidney S Negus
Substance use disorders (i.e., drug addiction) constitute a global and insidious public health issue. Preclinical biomedical research has been invaluable in elucidating the environmental, biological, and pharmacological determinants of drug abuse and in the process of developing innovative pharmacological and behavioral treatment strategies. For more than 70 years, nonhuman primates have been utilized as research subjects in biomedical research related to drug addiction. There are already several excellent published reviews highlighting species differences in both pharmacodynamics and pharmacokinetics between rodents and nonhuman primates in preclinical substance abuse research...
May 20, 2017: ILAR Journal
https://www.readbyqxmd.com/read/28531195/livestock-metabolomics-and-the-livestock-metabolome-a-systematic-review
#4
Seyed Ali Goldansaz, An Chi Guo, Tanvir Sajed, Michael A Steele, Graham S Plastow, David S Wishart
Metabolomics uses advanced analytical chemistry techniques to comprehensively measure large numbers of small molecule metabolites in cells, tissues and biofluids. The ability to rapidly detect and quantify hundreds or even thousands of metabolites within a single sample is helping scientists paint a far more complete picture of system-wide metabolism and biology. Metabolomics is also allowing researchers to focus on measuring the end-products of complex, hard-to-decipher genetic, epigenetic and environmental interactions...
2017: PloS One
https://www.readbyqxmd.com/read/28531157/hybrid-aware-model-for-senior-wellness-service-in-smart-home
#5
Yuchae Jung
Smart home technology with situation-awareness is important for seniors to improve safety and security. With the development of context-aware computing, wearable sensor technology, and ubiquitous computing, it is easier for seniors to manage their health problem in smart home environment. For monitoring senior activity in smart home, wearable, and motion sensors-such as respiration rate (RR), electrocardiography (ECG), body temperature, and blood pressure (BP)-were used for monitoring movements of seniors. For context-awareness, environmental sensors-such as gas, fire, smoke, dust, temperature, and light sensors-were used for senior location data collection...
May 22, 2017: Sensors
https://www.readbyqxmd.com/read/28531145/the-occurrence-biosynthesis-and-molecular-structure-of-proanthocyanidins-and-their-effects-on-legume-forage-protein-precipitation-digestion-and-absorption-in-the-ruminant-digestive-tract
#6
REVIEW
Arjan Jonker, Peiqiang Yu
Forages grown in temperate regions, such as alfalfa (Medicago sativa L.) and white clover (Trefolium repens L.), typically have a high nutritional value when fed to ruminants. Their high protein content and degradation rate result, however, in poor utilization of protein from the forage resulting in excessive excretion of nitrogen into the environment by the animal. Proanthocyanindins (also known as condensed tannins) found in some forage legumes such as birdsfoot trefoil (Lotus corniculatus L.), bind to dietary protein and can improve protein utilization in the animal...
May 22, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28531144/impact-damage-localisation-with-piezoelectric-sensors-under-operational-and-environmental-conditions
#7
Mohammad Saleh Salmanpour, Zahra Sharif Khodaei, M H Ferri Aliabadi
Guided-wave structural health monitoring (SHM) systems with piezoelectric sensors are investigated for localisation of barely visible impact damage in CFRP plates under vibration and different thermal conditions. A single baseline set is used in a delay-and-sum algorithm with temperature correction for damage localisation in a large temperature range. Damage localisation is also demonstrated under transient thermal conditions, with signals recorded while the temperature is rapidly decreased. Damage severity due to successive impact events is studied under constant temperature...
May 22, 2017: Sensors
https://www.readbyqxmd.com/read/28530587/trace-elements-in-raw-milk-of-buffaloes-bubalus-bubalis-from-campania-italy
#8
Mauro Esposito, Oto Miedico, Stefania Cavallo, Roberta Pellicanò, Guido Rosato, Loredana Baldi, A Eugenio Chiaravalle
The profile of 18 trace elements was traced in 68 milk samples collected from buffalo farms in the territory known as the "Land of Fires" in the Campania region (Italy). This area has been polluted by the illegal dumping in fields of industrial or domestic waste, wich is sometimes then burned spreading toxic contaminants. Milk from buffaloes raised on rural farms might be a good indicator of environmental contamination risk in the human food chain. Trace element analysis in milk was performed using mass spectrometry...
October 15, 2017: Food Chemistry
https://www.readbyqxmd.com/read/28530129/do-single-use-medical-devices-containing-biopolymers-reduce-the-environmental-impacts-of-surgical-procedures-compared-with-their-plastic-equivalents
#9
Scott R Unger, Troy A Hottle, Shakira R Hobbs, Cassandra L Thiel, Nicole Campion, Melissa M Bilec, Amy E Landis
Background While petroleum-based plastics are extensively used in health care, recent developments in biopolymer manufacturing have created new opportunities for increased integration of biopolymers into medical products, devices and services. This study compared the environmental impacts of single-use disposable devices with increased biopolymer content versus typically manufactured devices in hysterectomy. Methods A comparative life cycle assessment of single-use disposable medical products containing plastic(s) versus the same single-use medical devices with biopolymers substituted for plastic(s) at Magee-Women's Hospital (Magee) in Pittsburgh, PA and the products used in four types of hysterectomies that contained plastics potentially suitable for biopolymer substitution...
January 1, 2017: Journal of Health Services Research & Policy
https://www.readbyqxmd.com/read/28530097/total-particle-number-emissions-from-modern-diesel-natural-gas-and-hybrid-heavy-duty-vehicles-during-on-road-operation
#10
Tianyang Wang, David Christopher Quiros, Arvind Thiruvengadam, Saroj Pradhan, Shaohua Hu, Tao Huai, Eon S Lee, Yifang Zhu
Particle emissions from heavy-duty vehicles (HDVs) have significant environmental and public health impacts. This study measured total particle number emission factors (PNEFs) from six newly-certified HDVs powered by diesel and compressed natural gas totaling over 6,800 miles of on-road operation in California. Distance-, fuel- and work-based PNEFs were calculated for each vehicle. Distance-based PNEFs of vehicles equipped with original equipment manufacturer (OEM) diesel particulate filters (DPFs) in this study have decreased by 355-3200 times compared to a previous retrofit DPF dynamometer study...
May 22, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28529937/portable-bio-chemosensoristic-devices-innovative-systems-for-environmental-health-and-food-safety-diagnostics
#11
REVIEW
Roberto Dragone, Gerardo Grasso, Michele Muccini, Stefano Toffanin
This mini-review covers the newly developed biosensoristic and chemosensoristic devices described in recent literature for detection of contaminants in both environmental and food real matrices. Current needs in environmental and food surveillance of contaminants require new simplified, sensitive systems, which are portable and allow for rapid and on-site monitoring and diagnostics. Here, we focus on optical and electrochemical bio/chemosensoristic devices as promising tools with interesting analytical features that can be potentially exploited for innovative on-site and real-time applications for diagnostics and monitoring of environmental and food matrices (e...
2017: Frontiers in Public Health
https://www.readbyqxmd.com/read/28528874/animal-health-and-greenhouse-gas-intensity-the-paradox-of-periparturient-parasitism
#12
J G M Houdijk, B J Tolkamp, J A Rooke, M R Hutchings
Here we provide the first known direct measurements of pathogen challenge impacts on greenhouse gas (GHG) production, yield and intensity. Twin-rearing ewes were ad libitum fed pelleted lucerne from day -32 to 36 (day 0 is parturition), and repeatedly infected with 10,000 Teladorsagia circumcincta infective larvae (n=16), or sham-dosed with water (n=16). A third group of 16 ewes were fed at 80% of uninfected ewes' feed intake during lactation. Methane emissions were measured in respiration chambers (day 30 to 36) whilst total tract apparent nutrient digestibility around day 28 informed calculated manure methane and nitrous oxide emissions estimates...
May 18, 2017: International Journal for Parasitology
https://www.readbyqxmd.com/read/28528753/healthcare-access-and-quality-index-based-on-mortality-from-causes-amenable-to-personal-health-care-in-195-countries-and-territories-1990-2015-a-novel-analysis-from-the-global-burden-of-disease-study-2015
#13
(no author information available yet)
BACKGROUND: National levels of personal health-care access and quality can be approximated by measuring mortality rates from causes that should not be fatal in the presence of effective medical care (ie, amenable mortality). Previous analyses of mortality amenable to health care only focused on high-income countries and faced several methodological challenges. In the present analysis, we use the highly standardised cause of death and risk factor estimates generated through the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) to improve and expand the quantification of personal health-care access and quality for 195 countries and territories from 1990 to 2015...
May 18, 2017: Lancet
https://www.readbyqxmd.com/read/28528525/urban-youth-knowledge-and-attitudes-regarding-lead-poisoning
#14
Sandra Bogar, Aniko Szabo, Shane Woodruff, Sheri Johnson
Environmental health literacy (EHL) is a promising and evolving field of research that could benefit from youth engagement. Yet studies focused on youths' environmental health awareness and concerns are limited. For example, although lead exposure remains a threat to youth development in urban environments, no published studies have measured urban youth's knowledge of lead poisoning. A CBPR partnership established a youth advisory council (YAC) who helped to design, interpret and disseminate a mixed methods study exploring environmental health perceptions among urban youths ages 10-18...
May 20, 2017: Journal of Community Health
https://www.readbyqxmd.com/read/28528207/interventions-to-increase-male-attendance-and-testing-for-sexually-transmitted-infections-at-publicly-funded-family-planning-clinics
#15
David Fine, Lee Warner, Sarah Salomon, David M Johnson
PURPOSE: We assessed the impact of staff, clinic, and community interventions on male and female family planning client visit volume and sexually transmitted infection testing at a multisite community-based health care agency. METHODS: Staff training, clinic environmental changes, in-reach/outreach, and efficiency assessments were implemented in two Family Health Center (San Diego, CA) family planning clinics during 2010-2012; five Family Health Center family planning programs were identified as comparison clinics...
May 17, 2017: Journal of Adolescent Health: Official Publication of the Society for Adolescent Medicine
https://www.readbyqxmd.com/read/28528170/disparities-in-digital-reporting-of-illness-a-demographic-and-socioeconomic-assessment
#16
Samuel Henly, Gaurav Tuli, Sheryl Kluberg, Jared B Hawkins, Quynh Nguyen, Aranka Anema, Adyasha Maharana, John S Brownstein, Elaine O Nsoesie
Although digital reports of disease are currently used by public health officials for disease surveillance and decision making, little is known about environmental factors and compositional characteristics that may influence reporting patterns. The objective of this study is to quantify the association between climate, demographic and socio-economic factors on digital reporting of disease at the US county level. We reference approximately 1.5 million foodservice business reviews between 2004 and 2014, and use census data, machine learning methods and regression models to assess whether digital reporting of disease is associated with climate, socio-economic and demographic factors...
May 17, 2017: Preventive Medicine
https://www.readbyqxmd.com/read/28527379/diagnosing-water-security-in-the-rural-north-with-an-environmental-security-framework
#17
Henry J F Penn, Philip A Loring, William E Schnabel
This study explores the nature of water security challenges in rural Alaska, using a framework for environmental security that entails four interrelated concepts: availability, access, utility, and stability of water resources. Many researchers and professionals agree that water insecurity is a problem in rural Alaska, although the scale and nature of the problem is contested. Some academics have argued that the problem is systemic, and rooted in an approach to water security by the state that prioritizes economic concerns over public health concerns...
May 17, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28527279/-cases-of-acute-pesticide-poisoning-in-colonia-puerto-pirap%C3%A3-itap%C3%A3%C2%BAa-paraguay-february-2014
#18
María Esther Pedrozo, Sandra Ocampos, Rosa Galeano, Andrea Ojeda, Agueda Cabello, Dalva De Assis
In Paraguay, pesticides are the causative agent in 13.7% of poisonings, especially organophosphorus compounds. Such poisoning produces the inhibition of acetylcholinesterase generating three possible clinical conditions: acute poisoning, intermediate syndrome or late neurotoxicity. We present 15 cases of acute poisoning, ten women and five men from a rural community between 5 and 67 years of age, whose symptoms began after using water contaminated by pesticides from the community network. The most common symptoms were nausea and vomiting, followed by abdominal pain, headache, fever, itching, red eyes and sweating...
June 1, 2017: Biomédica: Revista del Instituto Nacional de Salud
https://www.readbyqxmd.com/read/28527034/simultaneous-determination-of-selected-hormones-endocrine-disruptor-compounds-and-pesticides-in-water-medium-at-trace-levels-by-gc-ms-after-dispersive-liquid-liquid-microextraction
#19
Dotse Selali Chormey, Çağdaş Büyükpınar, Fatma Turak, Okan Tarık Komesli, Sezgin Bakırdere
The need to enhance food safety has led to major advancements in pesticide productions, and though many benefits have been gained, environmental contamination has also risen from these chemicals that tend to persist in the environment. Some pesticides, together with other chemicals commonly called endocrine disruptor compounds, block the receptor sites of hormones or mimic displaced hormones, leading to imbalanced hormonal levels that result in health disorders and diseases. These chemicals occur at trace levels and are not directly detected by conventional analytical methods...
June 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28526941/urinary-cadmium-and-cotinine-levels-and-hair-mercury-levels-in-czech-children-and-their-mothers-within-the-framework-of-the-cophes-democophes-projects
#20
Kateřina Forysová, Anna Pinkr-Grafnetterová, Marek Malý, Andrea Krsková, Jaroslav Mráz, Lucie Kašparová, Mája Čejchanová, Lenka Sochorová, Sylva Rödlová, Milena Černá
The COPHES/DEMOCOPHES twin project was performed in 2011-2012 in 17 European countries to harmonize all steps of the human biomonitoring survey. Urinary cadmium, cotinine, phthalate metabolites, and hair mercury were measured in children (N = 120, 6-11 years) and their mothers of reproductive age, living in urban or rural areas. Cadmium in mothers' and children's urine was detected at a geometric mean (GM) concentration 0.227 and 0.109 μg/L, respectively; 95th percentile (P95) was 0.655 and 0.280 μg/L in mothers and children, respectively...
May 19, 2017: Archives of Environmental Contamination and Toxicology
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