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https://www.readbyqxmd.com/read/28727757/development-of-organic-fertilizers-from-food-market-waste-and-urban-gardening-by-composting-in-ecuador
#1
J Jara-Samaniego, M D Pérez-Murcia, M A Bustamante, C Paredes, A Pérez-Espinosa, I Gavilanes-Terán, M López, F C Marhuenda-Egea, H Brito, R Moral
Currently, the management of urban waste streams in developing countries is not optimized yet, and in many cases these wastes are disposed untreated in open dumps. This fact causes serious environmental and health problems due to the presence of contaminants and pathogens. Frequently, the use of specific low-cost strategies reduces the total amount of wastes. These strategies are mainly associated to the identification, separate collection and composting of specific organic waste streams, such as vegetable and fruit refuses from food markets and urban gardening activities...
2017: PloS One
https://www.readbyqxmd.com/read/28726692/chemical-speciation-of-trace-metals-in-the-industrial-sludge-of-dhaka-city-bangladesh
#2
Md Saiful Islam, Md Habibullah Al-Mamun, Ye Feng, Masahiro Tokumura, Shigeki Masunaga
The objective of this study was to assess total concentration and chemical fractionation of trace metals in the industrial wastewater and sludge collected from seven different types of industries in Dhaka City, Bangladesh. The sludge from industries is either dumped on landfills or reused as secondary resources in order to preserve natural resources. Metals were analyzed using inductively coupled plasma mass spectrometry (ICP-MS). The ranges of Cr, Ni, Cu, As, Cd, and Pb in the sludges were 1.4-9,470, 4.8-994, 12...
July 2017: Water Science and Technology: a Journal of the International Association on Water Pollution Research
https://www.readbyqxmd.com/read/28724243/extensively-and-multi-drug-resistant-acinetobacter-baumannii-recovered-from-technosol-at-a-dump-site-in-croatia
#3
Jasna Hrenovic, Goran Durn, Martina Seruga Music, Svjetlana Dekic, Tamara Troskot-Corbic, Dijana Skoric
In a karst pit above City of Rijeka in Croatia the hazardous industrial waste was continuously disposed from 1955 to 1990, and later it was periodically used as an illegal dump site. The surface part of a technosol at the edge of dump was analysed mineralogically, geochemically and bacteriologically. From the technosol rich in petroleum hydrocarbons and heavy metals three isolates of Acinetobacter baumannii were recovered. Isolates from technosol shared many features that are previously described for clinically isolates: the affiliation to IC1 and 2, multi-drug resistant (MDR) or extensively drug-resistant (XDR) antibiotic resistance profile, carbapenem resistance mediated by blaOXA72 and blaOXA23 genes, and the expression of virulence factors...
July 15, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28721708/-multidisciplinary-management-of-dumping-syndromes-after-bariatric-surgery
#4
Véronique Di Vetta, Aline Heller, François Pralong, Lucie Favre
Dumping syndromes are a frequent complication of gastric or bariatric surgery and include early and late dumping. Early dumping is a consequence of rapid delivery of hyperosmolar nutrients into the bowel. Late dumping is the result of a reactive hypoglycemia induced by a hyperinsulinemic response. These syndromes are becoming increasingly prevalent with the rising incidence of bariatric surgery. Effective management of these complications requires multidisciplinary collaboration. First line management of early and late dumping syndrome involves specific dietary and behavioral modifications which generally improve the quality of life of patients...
March 22, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/28717106/a-carcinogenicity-study-of-diphenylarsinic-acid-in-f344-rats-in-drinking-water-for-104-weeks
#5
Takashi Yamaguchi, Min Gi, Masaki Fujioka, Kenichiro Doi, Takahiro Okuno, Anna Kakehashi, Hideki Wanibuchi
Diphenylarsinic acid (DPAA), a neurotoxic organic arsenical used as a chemical warfare agent, is present in the groundwater and soil in some regions of Japan due to illegal dumping after World War II. We previously demonstrated that DPAA promotes diethylnitrosamine-induced liver carcinogenesis in a medium-term rat liver bioassay. The purpose of the present study was to evaluate the potential carcinogenicity of DPAA, including investigation of whether the bile duct hyperplasia in the liver that was observed in a previous 52 week rat chronic study develops into a tumor, when administered to rats in their drinking water for 104 weeks...
2017: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/28711557/postprandial-hypoglycemia-complication-of-peptic-ulcer-surgery
#6
Adnan Haider, James K Burks, H I Cheema, Angel Tejada
OBJECTIVE: Billroth II procedures (gastrojejunostomy with vagotomy) are seldom performed now, but were popular before the advent of histamine 2 (H2) receptor blockers and proton pump inhibitors (PPIs). Such procedures can be a cause of late postprandial hypoglycemia. METHOD: Formal evaluation, discussion of postprandial hypoglycemia. RESULTS: We present a case of an 85-year-old man who presented to the Endocrinology clinic with a complaint of "fainting spells following large meals...
July 12, 2017: American Journal of Medicine
https://www.readbyqxmd.com/read/28704662/assessment-of-heavy-metal-contamination-in-sediment-at-sukinda-ultramafic-complex-using-haadf-stem-analysis
#7
Sk Md Equeenuddin, Binaya Kumar Pattnaik
The Sukinda ultramafic complex in Odisha has the largest chromite reserve in India. Sediment derived from ultramafic rocks has been enriched with various metals. Further, mining activities enhance the influx of metals into sediment by dumping mine overburden and tailings in the open area. Metal concentration in sediment is found in order of CrTotal(Cr) > Mn > Ni > Co > Zn > Cu with average concentration 26,778 mg/kg, 3098 mg/kg, 1813 mg/kg, 184 mg/kg, 116 mg/kg and 44 mg/kg respectively...
June 30, 2017: Chemosphere
https://www.readbyqxmd.com/read/28700763/recalcitrant-genital-papules
#8
Anne Bartels, Hetal Choxi, Amy Rothberg
Nutritional deficiencies, decreased bone mineral density, and dumping syndrome are just some of the challenges these patients face. Here's how to optimize their care.
July 2017: Journal of Family Practice
https://www.readbyqxmd.com/read/28697380/assessment-of-carbon-sequestration-potential-of-revegetated-coal-mine-overburden-dumps-a-chronosequence-study-from-dry-tropical-climate
#9
Jitendra Ahirwal, Subodh Kumar Maiti
Development of secondary forest as post-mining land use in the surface coal mining degraded sites is of high research interest due to its potential to sequester atmospheric carbon (C). The objectives of this study were to assess the improvement in mine soil quality and C sequestration potential of the post-mining reclaimed land with time. Hence, this study was conducted in reclaimed chronosequence sites (young, intermediate and old) of a large open cast coal project (Central Coal Fields Limited, Jharkhand, India) and results were compared to a reference forest site (Sal forest, Shorea robusta)...
July 8, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28693122/postprandial-hyperinsulinemic-hypoglycemia-in-a-child-as-a-late-complication-of-esophageal-reconstruction
#10
Rade Vukovic, Tatjana Milenkovic, Maja Djordjevic, Katarina Mitrovic, Sladjana Todorovic, Adrijan Sarajlija, Khalid Hussain
BACKGROUND: Postprandial hyperinsulinemic hypoglycemia (PHH) is an increasingly recognized complication of gastric bypass surgery in obese adults, distinct from the "dumping syndrome". CASE PRESENTATION: Upon birth, primary repair of esophageal atresia was performed, and at the age of 14 months definite esophageal reconstruction was performed. At the age of 3 years, recurrent brief episodes of symptomatic hypoglycemia started. At the age of 5.7 years the girl was admitted to our clinic and investigations indicated hyperinsulinemic hypoglycemia...
June 24, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28693108/nitrate-release-from-waste-rock-dumps-in-the-elk-valley-british-columbia-canada
#11
Fazilatun N Mahmood, S Lee Barbour, C Kennedy, M Jim Hendry
The origin, distribution and leaching of nitrate (NO3(-)) from coal waste rock dumps in the Elk Valley, British Columbia, Canada were defined using chemical and NO3(-) isotope analyses (δ(15)N- and δ(18)O-NO3(-)) of solids samples of pre- and post-blast waste rock and from thick (up to 180m) unsaturated waste rock dump profiles constructed between 1982 and 2012 as well as water samples collected from a rock drain located at the base of one dump and effluent from humidity cell (HC) and leach pad (LP) tests on waste rock...
July 6, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28692900/arsenic-enrichment-in-sediment-on-the-eastern-continental-shelf-of-brazil
#12
R C Cagnin, V S Quaresma, G Chaillou, T Franco, A C Bastos
This study focuses on the vertical distribution of total and reactive As in two contrasted coastal sedimentary environments: the Abrolhos Continental Shelf (ACS), a carbonate and siliciclastic shelf sediment, and the Doce River Continental Shelf (DRCS), a submerged delta system. The Doce River was the location of a massive ore tailings dam collapsed in November 2015. Millions of liters of tailings were dumped into the river and reached the continental shelf, causing the country's biggest environmental disaster...
July 7, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28683013/the-lived-experience-of-midlife-women-with-major-depression
#13
Ching-Chu Li, Bih-Ching Shu, Yu-Ming Wang, Shih-Ming Li
BACKGROUND: Midlife, a significant developmental phase for women, is a period of biological, psychological, and social role changes. However, not all women transition smoothly into middle age, with those who experience depression typically bearing significantly greater physical and psychological discomforts in midlife. Despite the expanding body of research on women and depression, little is understood about how depressed women handle the midlife transition. PURPOSE: The aim of this study was to gain a deeper understanding about the lived experience of middle-aged women with major depression...
August 2017: Journal of Nursing Research: JNR
https://www.readbyqxmd.com/read/28676956/roux-en-y-gastric-bypass-aggravates-vitamin-a-deficiency-in-the-mother-child-group
#14
Sabrina Pereira da Cruz, Andréa Matos, Silvia Pereira, Carlos Saboya, Suelem Pereira da Cruz, Andréa Ramalho
OBJECTIVE: The objectives of this study are to compare the nutritional status of vitamin A in women who previously underwent Roux-en-Y gastric bypass (RYGB) who became pregnant or did not, in the same period after surgery, and to assess its effects on mother and child health. METHODOLOGY: A retrospective longitudinal study conducted with women who previously underwent RYGB, paired by age and BMI measured before surgery, divided into group 1 (G1) comprising 77 women who did not become pregnant and group 2 (G2) with 39 women in their third gestational trimester...
July 4, 2017: Obesity Surgery
https://www.readbyqxmd.com/read/28673086/compound-specific-and-enantioselective-stable-isotope-analysis-as-tools-to-monitor-transformation-of-hexachlorocyclohexane-hch-in-a-complex-aquifer-system
#15
Yaqing Liu, Safdar Bashir, Reiner Stollberg, Ralf Trabitzsch, Holger Weiss, Heidrun Paschke, Ivonne Nijenhuis, Hans Hermann Richnow
Technical hexachlorocyclohexane (HCH) mixtures and Lindane (-HCH) have been produced in Bitterfeld-Wolfen, Germany, for about 30 years until 1982. In the vicinity of the former dump sites and production facilities, large plumes of HCHs persist within two aquifer systems. We studied the natural attenuation of HCH in these groundwater systems through a combination of enantiomeric and carbon isotope fractionation in order to characterize the degradation of α-HCH in the areas downstream of a former disposal and production site in Bitterfeld-Wolfen...
July 4, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28672750/postprandial-hyperinsulinemic-hypoglycemia-in-a-child-as-a-late-complication-of-esophageal-reconstruction
#16
Rade Vukovic, Tatjana Milenkovic, Maja Djordjevic, Katarina Mitrovic, Sladjana Todorovic, Adrijan Sarajlija, Khalid Hussain
BACKGROUND: Postprandial hyperinsulinemic hypoglycemia (PHH) is an increasingly recognized complication of gastric bypass surgery in obese adults, distinct from the "dumping syndrome". CASE PRESENTATION: Upon birth, primary repair of esophageal atresia was performed, and at the age of 14 months definite esophageal reconstruction was performed. At the age of 3 years, recurrent brief episodes of symptomatic hypoglycemia started. At the age of 5.7 years the girl was admitted to our clinic and investigations indicated hyperinsulinemic hypoglycemia...
July 26, 2017: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/28672702/spatial-distribution-and-implications-to-sources-of-halogenated-flame-retardants-in-riverine-sediments-of-taizhou-an-intense-e-waste-recycling-area-in-eastern-china
#17
Shanshan Zhou, Jie Fu, Huan He, Jianjie Fu, Qiaozhi Tang, Minfeng Dong, Yongqiang Pan, An Li, Weiping Liu, Limin Zhang
Concentrations and spatial distribution pattern of organohalogen flame retardants were investigated in the riverine surface sediments from Taizhou, an intensive e-waste recycling region in China. The analytes were syn- and anti- Dechlorane Plus (DP), Dechloranes 602, 603, and 604, a DP monoadduct, two dechlorinated DPs and 8 congeners of polybrominated diphenyl ethers (PBDEs). The concentrations of Σ8PBDEs, ΣDP, ΣDec600s, and ΣDP-degradates ranged from <100 to 172,000, 100 to 55,000, not detectable (nd) to 1600, and nd to 2800 pg/g dry weight, respectively...
June 26, 2017: Chemosphere
https://www.readbyqxmd.com/read/28672188/effective-feather-degradation-and-keratinase-production-by-bacillus-pumilus-grk-for-its-application-as-bio-detergent-additive
#18
M Ramakrishna Reddy, K Sathi Reddy, Y Ranjita Chouhan, Hameeda Bee, Gopal Reddy
An effecient feather-degrading bacterium was isolated from poultry dumping yard and identified as Bacillus pumilus GRK based on 16S rRNA sequencing. Complete feather degradation (98.3±1.52%) with high keratinase production (373±4 U/ml) was observed in 24h under optimized conditions (substrate 1% (w/w); inoculum size 4% (v/v); pH 10; 200rpm at 37°C) with feathers as sole carbon and nitrogen source in tap water. The fermented broth was enriched with amino acids like tryptophan (221.44µg/ml), isoleucine (15...
June 15, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28669478/the-marine-sedimentary-record-of-natural-and-anthropogenic-contribution-from-the-sulcis-iglesiente-mining-district-sardinia-italy
#19
Elena Romano, Giovanni De Giudici, Luisa Bergamin, Stefano Andreucci, Chiara Maggi, Giancarlo Pierfranceschi, Maria Celia Magno, Antonella Ausili
Intensive exploitation of base metal deposits in the Sulcis-Iglesiente district (Sardinia, Italy), lasted from the 1850s to the 1990s, determined a high environmental impact on the coastal area, but the effects on marine environment have never been investigated. A marine sediment core, dated with (14)C, was characterized for grain size, chemical and mineralogical composition, in order to reconstruct the sedimentary history of the area and to assess the environmental impact of mining. The comparison of chemical and mineralogical characteristics of recent sediments with those of pre-industrial age allowed discriminating the real anthropogenic impact from the natural metal enrichment...
June 29, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28667960/a-model-combustor-for-studying-a-reacting-jet-in-an-oscillating-crossflow
#20
Christopher A Fugger, Rohan M Gejji, J Enrique Portillo, Yen Yu, Robert P Lucht, William E Anderson
This paper discusses a novel model combustion experiment that was built for studying the structure and dynamics of a reacting jet in an unsteady crossflow. A natural-gas-fired dump combustor is used to generate and sustain an acoustically oscillating vitiated flow that serves as the crossflow for transverse jet injection. Unlike most other techniques that are limited in operating pressure or acoustic amplitude, this method of generating an unsteady flow field is demonstrated at a pressure of 10 atm with peak-to-peak oscillation amplitudes approaching 20% of the mean pressure...
June 2017: Review of Scientific Instruments
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