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https://www.readbyqxmd.com/read/28092617/supplementation-of-pigs-diet-with-zinc-and-copper-as-alternative-to-conventional-antimicrobials
#1
B Dębski
Modern commercial pig farming systems inflict increased stress in animals, which often leads to various negative changes in the gastro-intestinal tract, especially in the case of piglets. Ban of antibiotics, used as growth promoters, has caused a need for alternatives to conventional antimicrobials in swine diets. Use of pre-/or probiotics, organic acids and plant extracts is often recommended, but it seems that zinc oxide and cooper salts, which were traditionally included in high doses to piglets diet, possess the highest efficacy...
December 1, 2016: Polish Journal of Veterinary Sciences
https://www.readbyqxmd.com/read/28091989/hazardous-metal-pollution-in-a-protected-coastal-area-from-northern-patagonia-argentina
#2
C H Marinho, E Giarratano, J L Esteves, M A Narvarte, M N Gil
The San Antonio Bay is a protected natural coastal area of Argentina that has been exposed to mining wastes over the last three decades. Iron and trace metals of potential concern to biota and human health (Cd, Pb, Cu, and Zn) were investigated in the sediments from the bay and in the soils of the Pile (mining wastes). Concentrations of Cd (45 mg kg(-1)), Pb (42,853 mg kg(-1)), Cu (24,505 mg kg(-1)), and Zn (28,686 mg kg(-1)) in the soils Pile exceeded guidelines for agricultural, residential, and industrial land uses...
January 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28091886/levels-of-persistent-organic-pollutants-in-breast-milk-of-maya-women-in-yucatan-mexico
#3
Ángel G Polanco Rodríguez, M Inmaculada Riba López, T Angel DelValls Casillas, Jesús Alfredo Araujo León, B Anjan Kumar Prusty, Fernando J Álvarez Cervera
In this study, 24 breast milk samples, obtained from rural Maya women, from municipalities of Yucatan, Mexico, were analyzed for organochlorine pesticide (OCP) residues by gas chromatography. Recent studies have shown that Maya communities have a poor perception about the proper usage and handling of OCP. The karstic soil in this area has a high vulnerability to groundwater pollution by the use of OCP in agriculture and livestock activities. The impact of the ecosystem on human health is much more critical due to the prevailing poverty and a very low educational level of these communities...
February 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28089532/refining-health-risk-assessment-by-incorporating-site-specific-background-concentration-and-bioaccessibility-data-of-nickel-in-soil
#4
Mao-Sheng Zhong, Lin Jiang
Risk assessment of Nickel (Ni) in a brownfield site contaminated was refined by incorporating the site-specific background level (SSBL) derived using multiple lines of evidence technology and bioaccessibility measured by the Unified Bioaccessibility Method (UBM) and Inhalation Bioaccessibility Method (IBM). The results revealed that the SSBL was 80mg/kg, which was much higher than the general soil screening value (GSSL) (50mg/kg) and more than two times regional background level reported for Tianjing (33mg/kg)...
January 12, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28088547/traffic-related-trace-elements-in-soils-along-six-highway-segments-on-the-tibetan-plateau-influence-factors-and-spatial-variation
#5
Guanxing Wang, Chen Zeng, Fan Zhang, Yili Zhang, Christopher A Scott, Xuedong Yan
The accumulation of traffic-related trace elements in soil as the result of anthropogenic activities raises serious concerns about environmental pollution and public health. Traffic is the main source of trace elements in roadside soil on the Tibetan Plateau, an area otherwise devoid of industrial emissions. Indeed, the rapid development of tourism and transportation in this region means it is becoming increasingly important to identify the accumulation levels, influence distance, spatial distribution, and other relevant factors influencing trace elements...
January 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28079647/using-public-health-data-for-soil-pb-hazard-management-in-ohio
#6
John F Obrycki, Tyler Serafini, Darryl B Hood, Chris Alexander, Pam Blais, Nicholas T Basta
OBJECTIVES: To evaluate how frequently elevated soil lead (Pb) hazards (≥400 ppm Pb) were identified in existing blood Pb site investigations in Ohio. DESIGN: This study evaluated 3050 site investigations from the Ohio Department of Health for children with blood Pb levels at or above 10 μg dL that contained bare soil Pb data. SETTING: Data were collected from existing databases maintained by the Ohio Department of Health. PARTICIPANTS: All data were de-identified prior to analysis...
January 11, 2017: Journal of Public Health Management and Practice: JPHMP
https://www.readbyqxmd.com/read/28078980/bioremediation-of-toxic-heavy-metals-a-patent-review
#7
Neelam Verma, Rajni Sharma
BACKGROUND: The global industrialization is fulfilling the demands of modern population at the cost of environmental exposure to various contaminants including heavy metals. These heavy metals affect water and soil quality. Moreover these enter into the food chain and exhibit their lethal effects on the human health even when present at slightly higher concentration than required for normal metabolism. To the worst of their part, the heavy metals may become carcinogenic. Henceforth, the efficient removal of heavy metals is the demand of sustainable development...
January 11, 2017: Recent Patents on Biotechnology
https://www.readbyqxmd.com/read/28076392/arthropod-pest-control-for-uk-oilseed-rape-comparing-insecticide-efficacies-side-effects-and-alternatives
#8
Han Zhang, Tom Breeze, Alison Bailey, David Garthwaite, Richard Harrington, Simon G Potts
Oilseed rape (Brassica napus) is an important combinable break crop in the UK, which is largely protected from arthropod pests by insecticidal chemicals. Despite ongoing debate regarding the use of neonicotinoids, the dominant seed treatment ingredients used for this crop, there is little publicly available data comparing the efficacy of insecticides in controlling key arthropod pests or comparing the impacts on non-target species and the wider environment. To provide an insight into these matters, a UK-wide expert survey targeting agronomists and entomologists was conducted from March to June 2015...
2017: PloS One
https://www.readbyqxmd.com/read/28073640/pharmaceuticals-in-a-temperate-forest-water-reuse-system
#9
Andrew D McEachran, Damian Shea, Elizabeth Guthrie Nichols
Forest-water reuse systems infiltrate municipal, industrial, and agricultural wastewaters through forest soils to shallow aquifers that ultimately discharge to surface waters. Their ability to mitigate regulated nutrients, metals, and organic chemicals is well known, but the fate of non-regulated chemicals in these systems is largely unstudied. This study quantified 33 pharmaceuticals and personal care products (PPCPs) in soils, groundwaters, and surface waters in a 2000-hectare forest that receives ~1200mm/year of secondary-treated, municipal wastewater in addition to natural rainfall (~1300mm/year)...
January 8, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28070306/ecological-genomics-of-local-adaptation-in-cornus-florida-l-by-genotyping-by-sequencing
#10
Andrew L Pais, Ross W Whetten, Qiu-Yun Jenny Xiang
Discovering local adaptation, its genetic underpinnings, and environmental drivers is important for conserving forest species. Ecological genomic approaches coupled with next-generation sequencing are useful means to detect local adaptation and uncover its underlying genetic basis in nonmodel species. We report results from a study on flowering dogwood trees (Cornus florida L.) using genotyping by sequencing (GBS). This species is ecologically important to eastern US forests but is severely threatened by fungal diseases...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28070103/a-pilot-study-for-construction-of-a-new-cadmium-sensing-yeast-strain-carrying-a-reporter-plasmid-with-the-jlp1-promoter
#11
Sayoko Ito-Harashima, Yui Mizutani, Motoshi Nishimura, Hyo Jeong Kim, Yeo Jin Kim, Hyun Soo Kim, Ji Hye Bae, Preeyaporn Koedrith, Masanobu Kawanishi, Young Rok Seo, Takashi Yagi
Cadmium contamination still occurs in some parts of the world, and its concentrations in the environment are monitored in most countries due to its adverse effects on human health. We herein established yeast (Saccharomyces cerevisiae) reporter assay strains carrying plasmids with the yeast JLP1, SEO1, and CUP1 promoters connected to the bacterial lacZ reporter gene. The strain carrying the high-copy number pESC-JLP1-lacZ reporter plasmid was more responsive to cadmium than strains with other reporter plasmids...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28069306/nitrated-polycyclic-aromatic-hydrocarbons-nitro-pahs-in-the-environment-a-review
#12
REVIEW
Benjamin A Musa Bandowe, Hannah Meusel
Nitrated polycyclic aromatic hydrocarbons (nitro-PAHs) are derivatives of PAHs with at least one nitro-functional group (-NO2) on the aromatic ring. The toxic effects of several nitro-PAHs are more pronounced than those of PAHs. Some nitro-PAHs are classified as possible or probable human carcinogens by the International Agency for Research on Cancer. Nitro-PAHs are released into the environment from combustion of carbonaceous materials (e.g. fossil fuels, biomass, waste) and post-emission transformation of PAHs...
January 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28068645/characteristics-of-pah-tar-oil-contaminated-soils-black-particles-resins-and-implications-for-treatment-strategies
#13
Clément Trellu, Anja Miltner, Rosita Gallo, David Huguenot, Eric D van Hullebusch, Giovanni Esposito, Mehmet A Oturan, Matthias Kästner
Tar oil contamination is a major environmental concern due to health impacts of polycyclic aromatic hydrocarbons (PAH) and the difficulty of reaching acceptable remediation end-points. Six tar oil-contaminated soils with different industrial histories were compared to investigate contamination characteristics by black particles. Here we provide a simple method tested on 6 soils to visualize and identify large amounts of black particles (BP) as either solid aggregates of resinified and weathered tar oil or various wood/coke/coal-like materials derived from the contamination history...
December 31, 2016: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28067285/residential-exposure-to-chlorinated-hydrocarbons-from-groundwater-contamination-and-the-impairment-of-renal-function-an-ecological-study
#14
Hui-Ming Chen, Ming-Tsang Wu
Groundwater pollution from the petrochemical industry causes serious deterioration of soil and groundwater quality and impacts on human health worldwide. However, few studies have examined the effect of residential exposure to petrochemical chlorinated hydrocarbon-contaminated groundwater on renal function impairment in humans. We conducted an ecological study to investigate the two. A polyvinyl chloride (PVC) plant was located in one of the six villages, the study area, in Kaohsiung city of southwestern Taiwan...
January 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28066816/from-genomes-to-phenotypes-traitar-the-microbial-trait-analyzer
#15
Aaron Weimann, Kyra Mooren, Jeremy Frank, Phillip B Pope, Andreas Bremges, Alice C McHardy
The number of sequenced genomes is growing exponentially, profoundly shifting the bottleneck from data generation to genome interpretation. Traits are often used to characterize and distinguish bacteria and are likely a driving factor in microbial community composition, yet little is known about the traits of most microbes. We describe Traitar, the microbial trait analyzer, which is a fully automated software package for deriving phenotypes from a genome sequence. Traitar provides phenotype classifiers to predict 67 traits related to the use of various substrates as carbon and energy sources, oxygen requirement, morphology, antibiotic susceptibility, proteolysis, and enzymatic activities...
November 2016: MSystems
https://www.readbyqxmd.com/read/28063318/radial-metal-concentration-profiles-in-trees-growing-on-highly-contaminated-soils
#16
Pierre-Jean Superville, Niels de Winter, Anh Tuan Phung, Nicolas Proix, Willy Baeyens, Yue Gao
The soil around Metaleurop, a big smelter, is heavily contaminated by Zn, Pb, Cd and Cu. In order to compare the impact of different soil amendments on the metal availability to trees, the polluted soil section was divided in a reference parcel and two others with either sulfo-calcic or silico-aluminous ash amendments. Five different tree species were planted on the parcels and the uptake of heavy metals in these trees was studied. Total and labile metal fractions were assessed in each of the 3 parcels. The mobility and assimilation of the metals was highest in the non-amended, reference soil parcel which had the lowest pH, organic matter and carbonate content...
December 31, 2016: Chemosphere
https://www.readbyqxmd.com/read/28062106/medical-geology-in-the-framework-of-the-sustainable-development-goals
#17
REVIEW
Jochen Bundschuh, Jyoti Prakash Maity, Shahbaz Mushtaq, Meththika Vithanage, Saman Seneweera, Jerusa Schneider, Prosun Bhattacharya, Nasreen Islam Khan, Ihsan Hamawand, Luiz R G Guilherme, Kathryn Reardon-Smith, Faruque Parvez, Nury Morales-Simfors, Sara Ghaze, Christa Pudmenzky, Louis Kouadio, Chien-Yen Chen
Exposure to geogenic contaminants (GCs) such as metal(loid)s, radioactive metals and isotopes as well as transuraniums occurring naturally in geogenic sources (rocks, minerals) can negatively impact on environmental and human health. The GCs are released into the environment by natural biogeochemical processes within the near-surface environments and/or by anthropogenic activities such as mining and hydrocarbon exploitation as well as exploitation of geothermal resources. They can contaminate soil, water, air and biota and subsequently enter the food chain with often serious health impacts which are mostly underestimated and poorly recognized...
January 3, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28061428/phytoremediation-strategies-for-soils-contaminated-with-heavy-metals-modifications-and-future-perspectives
#18
REVIEW
Nadeem Sarwar, Muhammad Imran, Muhammad Rashid Shaheen, Wajid Ishaque, Muhammad Asif Kamran, Amar Matloob, Abdur Rehim, Saddam Hussain
Presence of heavy metals in agricultural soils is of major environmental concern and a great threat to life on the earth. A number of human health risks are associated with heavy metals regarding their entry into food chain. Various physical, chemical and biological techniques are being used to remove heavy metals and metalloids from soils. Among them, phytoremediation is a good strategy to harvest heavy metals from soils and have been proven as an effective and economical technique. In present review, we discussed various sources and harmful effects of some important heavy metals and metalloids, traditional phytoremediation strategies, mechanisms involved in phytoremediation of these metals, limitations and some recent advances in phytoremediation approaches...
December 23, 2016: Chemosphere
https://www.readbyqxmd.com/read/28060404/diversity-and-composition-of-rhizospheric-soil-and-root-endogenous-bacteria-in-panax-notoginseng-during-continuous-cropping-practices
#19
Yong Tan, Yinshan Cui, Haoyu Li, Anxiu Kuang, Xiaoran Li, Yunlin Wei, Xiuling Ji
Rhizobacteria and endophytic bacteria play important roles in protecting host plants from infection by phytopathogens, which cause soil-borne diseases and severely impair plant health. Panax notoginseng is negatively affected by continuous cropping and becomes vulnerable to attack by microbial pathogens. In the present study, culture-independent Illumina MiSeq was used to investigate root-endophytic and rhizospheric bacteria in response to continuous cropping of P. notoginseng. Numbers of rhizospheric bacteria decreased with continuous P...
January 6, 2017: Journal of Basic Microbiology
https://www.readbyqxmd.com/read/28056450/current-status-and-associated-human-health-risk-of-vanadium-in-soil-in-china
#20
Jie Yang, Yanguo Teng, Jin Wu, Haiyang Chen, Guoqiang Wang, Liuting Song, Weifeng Yue, Rui Zuo, Yuanzheng Zhai
A detailed assessment of vanadium contamination characteristics in China was conducted based on the first national soil pollution survey. The map overlay analysis was used to evaluate the contamination level of vanadium and the non-carcinogenic risk assessment model was calculated to quantify the vanadium exposure risks to human health. The results showed that, due to the drastically increased mining and smelting activities, 26.49% of soils were contaminated by vanadium scattered in southwest of China. According to Canadian soil quality guidelines, about 8...
December 13, 2016: Chemosphere
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