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Remediation

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https://www.readbyqxmd.com/read/28724250/reuse-water-exposure-duration-seasonality-and-treatment-affect-tissue-responses-in-a-model-fish
#1
B J Blunt, A Singh, L Wu, M Gamal El-Din, M Belosevic, K B Tierney
Partially remediated gray (reuse) water will likely find increasing use in a variety of applications owing to the increasing scarcity of freshwater. We aimed to determine if a model fish, the goldfish, could sense reuse water using olfaction (smell), and if 30min or 7d (acute) and 60d (sub-chronic) exposures would affect their olfactory responses to natural odorants. We examined olfaction as previous studies have found that numerous chemicals can impair the olfactory sense, which is critical to carrying out numerous life-sustaining behaviors from feeding to mating...
July 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28724226/application-of-a-crustacean-bioassay-to-evaluate-a-multi-contaminated-metal-pah-pcb-harbor-sediment-before-and-after-electrokinetic-remediation-using-eco-friendly-enhancing-agents
#2
Y Tian, C Boulangé-Lecomte, A Benamar, N Giusti-Petrucciani, A Duflot, S Olivier, C Frederick, J Forget-Leray, F Portet-Koltalo
Electrokinetic (EK) remediation can be a suitable technology for treating contaminated dredged harbor sediment, stored on terrestrial disposal sites. Citric acid (CA) and biosurfactants (rhamnolipids and saponin) were chosen as enhancing agents for simultaneous metal (Cd, Cr, Cu, Pb, Zn) and PAH/PCB removal by EK because of their potential low toxicity with a view to site restoration. Three EK runs were performed using a periodic voltage (1Vcm(-1)) and various concentrations of agents. The best combination of CA (0...
July 14, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28724112/desert-vegetation-forty-years-after-an-oil-spill
#3
Mara Nothers, Nitzan Segev, Juergen Kreyling, Amgad Hjazin, Elli Groner
Deserts are the most frequent locations of terrestrial crude oil contaminations. Nevertheless, the long-term effects of petroleum hydrocarbons on desert ecosystems are still unknown, which makes risk assessment and decision making concerning remediation difficult. This study examined the long-term effects of petroleum hydrocarbons on perennial desert vegetation. The study site was a hyper-arid area in the south of Israel, which was contaminated by a crude oil spill in 1975. The contaminated area was compared to uncontaminated reference areas...
May 2017: Journal of Environmental Quality
https://www.readbyqxmd.com/read/28723615/nanoformulations-of-curcumin-an-emerging-paradigm-for-improved-remedial-application
#4
REVIEW
Meeta Gera, Neelesh Sharma, Mrinmoy Ghosh, Do Luong Huynh, Sung Jin Lee, Taesun Min, Taeho Kwon, Dong Kee Jeong
Curcumin is a natural polyphenol and essential curcuminoid derived from the rhizome of the medicinal plant Curcuma longa (L.) is universally acknowledged as "Wonder drug of life". It is a vital consumable and restorative herb, commonly keened for several ailments such as cancer, arthritis, pain, bruises, gastrointestinal quandaries, swelling and much more. Despite its enormous curative potential, the poor aqueous solubility and consequently, minimal systemic bioavailability with rapid degradation are some of the major factors which restrict the utilization of curcumin at medical perspective...
July 11, 2017: Oncotarget
https://www.readbyqxmd.com/read/28722575/household-and-individual-risk-factors-for-cholera-among-cholera-vaccine-recipients-in-rural-haiti
#5
Wilfredo R Matias, Jessica E Teng, Isabelle J Hilaire, Jason B Harris, Molly F Franke, Louise C Ivers
Oral cholera vaccination was used as part of cholera control in Haiti, but the vaccine does not provide complete protection. We conducted secondary data analyses of a vaccine effectiveness study in Haiti to evaluate risk factors for cholera among cholera vaccine recipients. Individuals vaccinated against cholera that presented with acute watery diarrhea and had a stool sample positive for Vibrio cholerae O1 were included as cases. Up to four vaccinated individuals who did not present for treatment of diarrhea were included as controls for each case, and matched by location of residence, enrollment time, and age...
May 30, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28722562/centers-of-excellence-in-healthcare-institutions-what-they-are-and-how-to-assemble-them
#6
James K Elrod, John L Fortenberry
BACKGROUND: Centers of excellence-specialized programs within healthcare institutions which supply exceptionally high concentrations of expertise and related resources centered on particular medical areas and delivered in a comprehensive, interdisciplinary fashion-afford many advantages for healthcare providers and the populations they serve. To achieve full value from centers of excellence, proper assembly is an absolute necessity, but guidance is somewhat limited. This effectively forces healthcare providers to pursue establishment largely via trial-and-error, diminishing opportunities for success...
July 11, 2017: BMC Health Services Research
https://www.readbyqxmd.com/read/28722333/xiap-inhibitor-embelin-induces-autophagic-and-apoptotic-cell-death-in-human-oral-squamous-cell-carcinoma-cells
#7
You-Jin Lee, Bong-Soo Park, Hae-Ryoun Park, Su-Bin Yu, Hae-Mi Kang, In-Ryoung Kim
Embelin is an active ingredient of traditional herbal remedies for cancer and other diseases. Recently, it has been suggested that autophagy may play an important role in cancer therapy. However, little data are available regarding the role of autophagy in oral cancers. Therefore, we conducted this study to examine whether Embelin modulates autophagy in Ca9-22. Our results showed that Embelin had anticancer activity against the Ca9-22 human tongue squamous cell, and we observed that autophagic vacuoles were formed by MDC and AO...
July 19, 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28721925/hildegard-of-bingen-s-remedies-for-parkinson-s-disease
#8
Francesco Brigo, Bruno Brigo, Nicola Luigi Bragazzi, Raffaele Nardone, Mariano Martini
No abstract text is available yet for this article.
August 2017: Lancet Neurology
https://www.readbyqxmd.com/read/28721622/influence-of-selected-cyclodextrins-in-sorption-desorption-of-chlorpyrifos-chlorothalonil-diazinon-and-their-main-degradation-products-on-different-soils
#9
María E Báez, Jeannette Espinoza, Ricardo Silva, Edwar Fuentes
Cyclodextrins (CDs) can improve the apparent solubility and bioavailability of a variety of organic compounds through the formation of inclusion complexes; accordingly, they are suitable for application in innovative remediation technologies of contaminated soils. However, the different interactions in the tertiary system CD/contaminant/soil matrix can affect the bioavailability of the inclusion complex through the possible sorption of CD and CD complex in the soil matrix, as well as with the potential of the sorbed CD to form the complex, concurrent with the desorption processes...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721619/measurements-of-%C3%AE-and-%C3%AE-hexachlorocyclohexane-in-juglans-regia-and-prunus-spinosa-trees-in-a-contaminated-area-central-italy
#10
Sabrina Battisti, Carlo Boselli, Alessandro Ubaldi, Cristina Roffi Isabelli, Tabita Mauti, Ugo Della Marta, Paola Scaramozzino
Vegetables play an important role in the human diet, and the transfer of toxic contaminants from the soil to plants has been little studied for most tree species and their edible portions. In an area affected by hexachlorocyclohexane (HCH) contamination, in the Sacco River Valley (central Italy), measurements of β- and α-HCH isomers were made on different parts of two tree species: Juglans regia and Prunus spinosa. Concentrations were analysed in roots, branches, leaves, fruits, and seeds. A spatial evaluation of the results highlighted an inverse association of contamination with distance from the river, which is the main route of transport in the environment...
July 18, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28721038/toxicity-based-toxicokinetic-toxicodynamic-assessment-of-bioaccumulation-and-nanotoxicity-of-zerovalent-iron-nanoparticles-in-caenorhabditis-elegans
#11
Ying-Fei Yang, Yi-Jun Lin, Chung-Min Liao
Elucidating the relationships between the toxicity-based-toxicokinetic (TBTK)/toxicodynamic (TD) properties of engineered nanomaterials and their nanotoxicity is crucial for human health-risk analysis. Zerovalent iron (Fe(0)) nanoparticles (NPs) are one of the most prominent NPs applied in remediating contaminated soils and groundwater. However, there are concerns that Fe(0)NP application contributes to long-term environmental and human health impacts. The nematode Caenorhabditis elegans is a surrogate in vivo model that has been successfully applied to assess the potential nanotoxicity of these nanomaterials...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28719564/the-new-apgar-score-a-checklist-to-enhance-quality-of-life-in-geriatric-patients-with-hip-fracture
#12
Joseph Bernstein, Sara Weintraub, Eric Hume, Mark D Neuman, Stephen L Kates, Jaimo Ahn
For geriatric patients with hip fractures, the broken bone is the reason for admission, but only part of the overall disease. Indeed, it may be more helpful to consider the patient having geriatric hip fracture syndrome or sustaining a hip attack, as there are many associated medical, social, psychological, and other problems to which attention must be paid. To that end, we have identified a series of 10 steps, collected into a checklist, that can be undertaken for all patients with geriatric hip fracture. In homage to the maxim "we come into the world under the brim of the pelvis and go out through the neck of the femur," we defined our checklist by the acronym APGAR SCORE, named after the classic checklist of the same name used to assess a newborn child...
July 19, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28719364/is-there-a-link-between-self-perceived-stress-and-physical-activity-levels-in-scottish-adolescents
#13
Joe Cowley, John Kiely, Dave Collins
Purpose Accumulating life stress is a driving factor underlying the most pervasive, incapacitating health conditions in 21st century, First World societies. The most widely supported strategy, for remediating the negative health consequences of elevated life stress, is physical activity (PA). Evidence also suggests accumulating life stress impedes PA uptake. Thus, ironically, persistently elevated life stress not only negatively impacts multiple dimensions of health, simultaneously it may also reduce likelihood of participation in the most effective remediating strategy, PA...
July 18, 2017: International Journal of Adolescent Medicine and Health
https://www.readbyqxmd.com/read/28717650/removal-of-cu-zn-pb-and-cr-from-yangtze-estuary-using-the-phragmites-australis-artificial-floating-wetlands
#14
Xiaofeng Huang, Feng Zhao, Gao Yu, Chao Song, Zhi Geng, Ping Zhuang
Contamination of heavy metals would threaten the water and soil resources; phytoremediation can be potentially used to remediate metal contaminated sites. We constructed the Phragmites australis artificial floating wetlands outside the Qingcaosha Reservoir in the Yangtze Estuary. Water characteristic variables were measured in situ by using YSI Professional Pro Meter. Four heavy metals (copper, zinc, lead, and chromium) in both water and plant tissues were determined. Four heavy metals in estuary water were as follows: 0...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28716629/characterization-of-novel-bacillus-strain-n31-from-mariculture-water-capable-of-halophilic-heterotrophic-nitrification-aerobic-denitrification
#15
Fei Huang, Luqing Pan, Na Lv, Xianming Tang
The development of an intensive aquaculture industry has been accompanied by increasing environmental impacts, especially nitrogen pollution. In this study, a novel halophilic bacterium capable of heterotrophic nitrification and aerobic denitrification was isolated from mariculture water and identified as Bacillus litoralis N31. The efficiency of ammonium, nitrite and nitrate removal by N31 were 86.3%, 89.3% and 89.4%, respectively, after a 48-h cultivation in sole N-source medium with initial nitrogen approximately 20 mg/L...
July 14, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28715761/effects-of-lead-mineralogy-on-soil-washing-enhanced-by-ferric-salts-as-extracting-and-oxidizing-agents
#16
Jong-Chan Yoo, Sang-Min Park, Geun-Seok Yoon, Daniel C W Tsang, Kitae Baek
In this study, we evaluated the feasibility of using ferric salts including FeCl3 and Fe(NO3)3 as extracting and oxidizing agents for a soil washing process to remediate Pb-contaminated soils. We treated various Pb minerals including PbO, PbCO3, Pb3(CO3)2(OH)2, PbSO4, PbS, and Pb5(PO4)3(OH) using ferric salts, and compared our results with those obtained using common washing agents of HCl, HNO3, disodium-ethylenediaminetetra-acetic acid (Na2-EDTA), and citric acid. The use of 50 mM Fe(NO3)3 extracted significantly more Pb (above 96% extraction) from Pb minerals except PbSO4 (below 55% extraction) compared to the other washing agents...
July 12, 2017: Chemosphere
https://www.readbyqxmd.com/read/28715742/development-of-high-performance-supercapacitor-electrode-derived-from-sugar-industry-spent-wash-waste
#17
Ashesh Mahto, Rajeev Gupta, Krishna Kanta Ghara, Divesh N Srivastava, Pratyush Maiti, Kalpana D, Paul Zavala-Revira, R Meena, S K Nataraj
This study aims at developing supercapacitor materials from sugar and distillery industry wastes, thereby mediating waste disposal problem through reuse. In a two-step process, biomethanated spent wash (BMSW) was acid treated to produce solid waste sludge and waste water with significantly reduced total organic carbon (TOC) and biological oxygen demand (BOD) content. Further, waste sludge was directly calcined in presence of activating agent ZnCl2 in inert atmosphere resulting in high surface area (730-900m(2)g(-1)) carbon of unique hexagonal morphology...
June 23, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28715717/reading-network-in-dyslexia-similar-yet-different
#18
Karen E Waldie, Anna J Wilson, Reece Roberts, David Moreau
Dyslexia is a developmental disorder characterized by reading and phonological difficulties, yet important questions remain regarding its underlying neural correlates. In this study, we used partial least squares (PLS), a multivariate analytic technique, to investigate the neural networks used by dyslexics while performing a word-rhyming task. Although the overall reading network was largely similar in dyslexics and typical readers, it did not correlate with behavior in the same way in the two groups. In particular, there was a positive association between reading performance and both right superior temporal gyrus and bilateral insula activation in dyslexic readers but a negative correlation in typical readers...
July 14, 2017: Brain and Language
https://www.readbyqxmd.com/read/28715703/removal-mechanisms-in-aerobic-slurry-bioreactors-for-remediation-of-soils-and-sediments-polluted-with-hydrophobic-organic-compounds-an-overview
#19
REVIEW
Douglas O Pino-Herrera, Yoan Pechaud, David Huguenot, Giovanni Esposito, Eric D van Hullebusch, Mehmet A Oturan
Hydrophobic organic compound (HOC)-contaminated soils are a great environmental and public health concern nowadays. Further research is necessary to develop environmental friendly biotechnologies that allows public and private sectors to implement efficient and adaptable treatment approaches. Aerobic soil-slurry bioreactor technology has emerged as an effective and feasible technique with a high remediation potential, especially for silt and clay soil fractions, which often contain the highest pollutant concentration levels and are usually difficult to remove by implementing conventional methods...
June 8, 2017: Journal of Hazardous Materials
https://www.readbyqxmd.com/read/28715546/sensitivity-to-audiovisual-temporal-asynchrony-in-children-with-a-history-of-specific-language-impairment-and-their-peers-with-typical-development-a-replication-and-follow-up-study
#20
Natalya Kaganovich
Purpose: Earlier, my colleagues and I showed that children with a history of specific language impairment (H-SLI) are significantly less able to detect audiovisual asynchrony compared with children with typical development (TD; Kaganovich & Schumaker, 2014). Here, I first replicate this finding in a new group of children with H-SLI and TD and then examine a relationship among audiovisual function, attention skills, and language in a combined pool of children. Method: The stimuli were a pure tone and an explosion-shaped figure...
July 13, 2017: Journal of Speech, Language, and Hearing Research: JSLHR
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