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Reviews of Environmental Contamination and Toxicology

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https://www.readbyqxmd.com/read/29119384/tributyltin-advancing-the-science-on-assessing-endocrine-disruption-with-an-unconventional-endocrine-disrupting-compound
#1
Laurent Lagadic, Ioanna Katsiadaki, Ron Biever, Patrick D Guiney, Natalie Karouna-Renier, Tamar Schwarz, James P Meador
Tributyltin (TBT) has been recognized as an endocrine disrupting chemical (EDC) for several decades. However, only in the last decade, was its primary endocrine mechanism of action (MeOA) elucidated-interactions with the nuclear retinoid-X receptor (RXR), peroxisome proliferator-activated receptor γ (PPARγ), and their heterodimers. This molecular initiating event (MIE) alters a range of reproductive, developmental, and metabolic pathways at the organism level. It is noteworthy that a variety of MeOAs have been proposed over the years for the observed endocrine-type effects of TBT; however, convincing data for the MIE was provided only recently and now several researchers have confirmed and refined the information on this MeOA...
November 9, 2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/29038944/environmental-lead-and-wild-birds-a-review
#2
Robert J Williams, Steven D Holladay, Susan M Williams, Robert M Gogal
Lead is a persistent inorganic environmental pollutant that affects humans and animals worldwide. Avian species are especially susceptible to lead exposure through consumption of lead ammunition, lead fishing tackle, and other contaminated food sources such as aquatic species ingesting lead contaminated sediments in mining areas. Even with government regulations on the use of lead ammunition in many countries, including the United States, terrestrial, aquatic, predatory, and scavenger avian species are still at risk of exposure to potentially lethal concentrations of lead...
October 17, 2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/29032515/oxidative-stress-and-heavy-metals-in-plants
#3
Radka Fryzova, Miroslav Pohanka, Pavla Martinkova, Hana Cihlarova, Martin Brtnicky, Jan Hladky, Jindrich Kynicky
Oxidative stress is a pathological process related to not only animal kingdom but also plants. Regarding oxidative stress in plants, heavy metals are frequently discussed as causative stimuli with relevance to ecology. Because heavy metals have broad technological importance, they can easily contaminate the environment. Much of previous effort regarding the harmful impact of the heavy metals was given to their toxicology in the animals and humans. Their implication in plant pathogeneses is less known and remains underestimated...
October 15, 2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/29079931/a-global-overview-of-exposure-levels-and-biological-effects-of-trace-elements-in-penguins
#4
Winfred Espejo, José E Celis, Daniel GonzÃlez-Acuña, Andiranel Banegas, Ricardo Barra, Gustavo Chiang
Trace elements are chemical contaminants that can be present almost anywhere on the planet. The study of trace elements in biotic matrices is a topic of great relevance for the implications that it can have on wildlife and human health. Penguins are very useful, since they live exclusively in the Southern Hemisphere and represent about 90% of the biomass of birds of the Southern Ocean. The levels of trace elements (dry weight) in different biotic matrices of penguins were reviewed here. Maps of trace element records in penguins were included...
September 13, 2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28856377/letter-to-the-editor
#5
REVIEW
Pim de Voogt
J. Fish.
2018: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28710647/impacts-of-sublethal-mercury-exposure-on-birds-a-detailed-review
#6
Margaret C Whitney, Daniel A Cristol
Mercury is a ubiquitous environmental contaminant known to accumulate in, and negatively affect, fish-eating and oceanic bird species, and recently demonstrated to impact some terrestrial songbirds to a comparable extent. It can bioaccumulate to concentrations of >1 μg/g in tissues of prey organisms such as fish and insects. At high enough concentrations, exposure to mercury is lethal to birds. However, environmental exposures are usually far below the lethal concentrations established by dosing studies...
2018: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28466189/a-review-of-the-environmental-degradation-ecotoxicity-and-bioaccumulation-potential-of-the-low-molecular-weight-polyether-polyol-substances
#7
Thomas Schupp, Tom Austin, Charles V Eadsforth, Bart Bossuyt, Summer M Shen, Robert J West
"Polyalkylene glycol" is the name given to a broad class of synthetic organic chemicals which are produced by polymerization of one or more alkylene oxide (epoxide) monomers, such as ethylene oxide (EO) and propylene oxide (PO), with various initiator substances which possess amine or alcohol groups. A generalization of this polymerization reaction is illustrated in Fig. 1.
2018: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28361472/a-global-perspective-of-fine-particulate-matter-pollution-and-its-health-effects
#8
Arideep Mukherjee, Madhoolika Agrawal
Fine particulate matter (PM) in the ambient air is implicated in a variety of human health issues throughout the globe. Regulation of fine PM in the atmosphere requires information on the dimension of the problem with respect to variations in concentrations and sources. To understand the current status of fine particles in the atmosphere and their potential harmful health effects in different regions of the world this review article was prepared based on peer-reviewed scientific papers, scientific reports, and database from government organizations published after the year 2000 to evaluate the global scenario of the PM2...
2018: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/29026926/erratum-to-nitrate-and-nitrogen-oxides-sources-health-effects-and-their-remediation
#9
Khalid Rehman Hakeem, Muhammad Sabir, Munir Ozturk, Mohd Sayeed Akhtar, Faridah Hanum Ibrahim
No abstract text is available yet for this article.
2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28204900/cadmium-bioaccumulation-in-aquatic-oligochaetes-using-a-biodynamic-model-a-review-of-values-of-physiological-parameters-and-model-validation-using-laboratory-and-field-bioaccumulation-data
#10
REVIEW
Leire Méndez-Fernández, Pilar Rodriguez, Maite Martínez-Madrid
This study reviews certain physiological digestive parameters in the literature that could be used to predict tissue residues in aquatic oligochaetes using the biodynamic model. Predictions were evaluated with independently measured Cd bioaccumulation data in sediment bioassays and field oligochaetes. The parameter review focused on three species commonly used in ecotoxicity testing and bioaccumulation studies: Tubifex tubifex (Tt), Limnodrilus hoffmeisteri (Lh) and Lumbriculus variegatus (Lv). Median Ingestion rates (g g(-1) d(-1), dw) at unpolluted conditions were 7...
2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28028609/modelling-the-release-transport-and-fate-of-engineered-nanoparticles-in-the-aquatic-environment-a-review
#11
REVIEW
Adriaan A Markus, John R Parsons, Erwin W M Roex, Pim de Voogt, Remi W P M Laane
Engineered nanoparticles, that is, particles of up to 100 nm in at least one dimension, are used in many consumer products. Their release into the environment as a consequence of their production and use has raised concern about the possible consequences. While they are made of ordinary substances, their size gives them properties that are not manifest in larger particles. It is precisely these properties that make them useful. For instance titanium dioxide nanoparticles are used in transparent sunscreens, because they are large enough to scatter ultraviolet light but too small to scatter visible light...
2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28005215/arsenic-a-review-on-exposure-pathways-accumulation-mobility-and-transmission-into-the-human-food-chain
#12
REVIEW
Beste Arslan, Mustafa B A Djamgoz, Ertan Akün
This review deals with exposure pathways of arsenic (As), as well as its transfer and uptake processes from its source to the human body. It is proven fact that uptake of inorganic As for a long period can lead to chronic As poisoning and a variety of adverse health effects such as skin, lung and bladder cancer, in addition to cardiovascular diseases, diabetes and gastrointestinal symptoms. As exposure occurs primarily from consumption of potable water containing high amounts of inorganic As and also from consumption of crops cultivated in As contaminated agricultural fields-either naturally or anthropogenically through contaminated air or pesticides-or irrigated with As containing water...
2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28005214/aluminium-toxicity-to-plants-as-influenced-by-the-properties-of-the-root-growth-environment-affected-by-other-co-stressors-a-review
#13
REVIEW
Joanna Siecińska, Artur Nosalewicz
Aluminium toxicity to crops depends on the acidity of the soil and specific plant resistance. However, it is also strongly affected by other environmental factors that have to be considered to properly evaluate the resultant effects on plants. Observed weather perturbations and predicted climate changes will increase the probability of co-occurrence of aluminium toxicity and other abiotic stresses.In this review the mechanisms of plant-aluminium interactions are shown to be influenced by soil mineral nutrients, heavy metals, organic matter, oxidative stress and drought...
2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28005213/impact-of-veterinary-pharmaceuticals-on-the-agricultural-environment-a-re-inspection
#14
REVIEW
Paulina Łukaszewicz, Joanna Maszkowska, Ewa Mulkiewicz, Jolanta Kumirska, Piotr Stepnowski, Magda Caban
The use of veterinary pharmaceuticals (VPs) is a result of growing animal production. Manure, a great crop fertilizer, contains a significant amount of VPs. The investigation of VPs in manure is prevalent, because of the potential risk for environmental organisms, as well as human health. A re-evaluation of the impact of veterinary pharmaceuticals on the agricultural environment is needed, even though several publications appear every year. The aim of this review was to collate the data from fields investigated for the presence of VPs as an inevitable component of manure...
2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27807635/a-review-on-polychlorinated-biphenyls-pcbs-and-polybrominated-diphenyl-ethers-pbdes-in-south-asia-with-a-focus-on-malaysia
#15
REVIEW
Han Yeong Kaw, Narayanan Kannan
Malaysia is a developing country in Southeast Asia, with rapid industrial and economic growth. Speedy population growth and aggressive consumerism in the past five decades have resulted in environmental pollution issues, including products containing polychlorinated biphenyls (PCBs) and polybrominated diphenyl ethers (PBDEs). PCBs and PBDEs are classified as persistent organic pollutants (POPs) by the Stockholm Convention due to their persistence, bioaccumulation in the environment and toxicity to humans and wildlife...
2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27734212/nitrate-and-nitrogen-oxides-sources-health-effects-and-their-remediation
#16
REVIEW
Khalid Rehman Hakeem, Muhammad Sabir, Munir Ozturk, Mohd Sayeed Akhtar, Faridah Hanum Ibrahim
Increased use of nitrogenous (N) fertilizers in agriculture has significantly altered the global N-cycle because they release nitrogenous gases of environmental concerns. The emission of nitrous oxide (N2O) contributes to the global greenhouse gas accumulation and the stratospheric ozone depletion. In addition, it causes nitrate leaching problem deteriorating ground water quality. The nitrate toxicity has been reported in a number of studies showing the health hazards like methemoglobinemia in infants and is a potent cause of cancer...
2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27718008/influence-of-nanotoxicity-on-human-health-and-environment-the-alternative-strategies
#17
REVIEW
Buddolla Viswanath, Sanghyo Kim
Currently, nanotechnology revolutionizing both scientific and industrial community due to their applications in the fields of medicine, environmental protection, energy, and space exploration. Despite of the evident benefits of nanoparticles, there are still open questions about the influence of these nanoparticles on human health and environment. This is one of the critical issues that have to be addressed in the near future, before massive production of nanomaterials. Manufactured nanoparticles, which are finding ever-increasing applications in industry and consumer products fall into the category of emerging contaminants with ecological and toxicological effects on populations, communities and ecosystems...
2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27718007/degradation-processes-of-pesticides-used-in-potato-cultivations
#18
REVIEW
M Kurek, H Barchańska, M Turek
Potato is one of the most important crops, after maize, rice and wheat. Its global production is about 300 million tons per year and is constantly increasing. It grows in temperate climate and is used as a source of starch, food, and in breeding industry.Potato cultivation requires application of numerous agro-technical products, including pesticides, since it can be affected by insects, weeds, fungi, and viruses. In the European Union the most frequently used pesticides in potato cultivations check are: thiamethoxam, lambda-cyhalothrin and deltamethrin (insecticides), rimsulfuron (herbicide) and metalaxyl (fungicide)...
2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27464848/gene-expression-profiling-in-fish-toxicology-a-review
#19
REVIEW
Girish Kumar, Nancy D Denslow
In this review, we present an overview of transcriptomic responses to chemical exposures in a variety of fish species. We have discussed the use of several molecular approaches such as northern blotting, differential display reverse transcription-polymerase chain reaction (DDRT-PCR), suppression subtractive hybridization (SSH), real time quantitative PCR (RT-qPCR), microarrays, and next-generation sequencing (NGS) for measuring gene expression. These techniques have been mainly used to measure the toxic effects of single compounds or simple mixtures in laboratory conditions...
2017: Reviews of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/27464847/toxic-metal-pollution-in-pakistan-and-its-possible-risks-to-public-health
#20
REVIEW
Shakirullah Khan Shakir, Azizullah Azizullah, Waheed Murad, Muhammad K Daud, Farhat Nabeela, Hazir Rahman, Shafiq Ur Rehman, Donat-Peter Häder
Environmental pollution has increased many folds in recent years and in some places has reached levels that are toxic to living things. Among pollutant types, toxic heavy metals and metalloids are among the chemicals that pose the highest threat to biological systems (Jjemba 2004). Unlike organic pollutants, which are biodegradable, heavy metals are not degraded into less hazardous end products (Gupta et al. 2001). Low concentrations of some heavy metals are essential for life, but some of them like Hg, As, Pb and Cd are biologically non-essential and very toxic to living organisms...
2017: Reviews of Environmental Contamination and Toxicology
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