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https://www.readbyqxmd.com/read/29145129/high-contamination-in-the-areas-surrounding-abandoned-mines-and-mining-activities-an-impact-assessment-of-the-dilala-luilu-and-mpingiri-rivers-democratic-republic-of-the-congo
#1
Emmanuel K Atibu, Pierre Lacroix, Periyasamy Sivalingam, Nicolas Ray, Gregory Giuliani, Crispin K Mulaji, Jean-Paul Otamonga, Pius T Mpiana, Vera I Slaveykova, John Poté
Abandoned mines and mining activities constitute important sources of toxic metals and Rare Earth Elements (REEs) affecting surrounding environmental compartments and biota. This study investigates the contamination degree and distribution of toxic metals and REEs in contrasting sediment, soil and plant samples surrounding rivers in the African copperbelt area characterized by the presence of numerous abandoned mines, artisanal and industrial mining activities. ICP-MS results highlighted the highest concentration of Cu, Co and Pb in sediments reaching values of 146,801, 18,434 and 899 mg kg(-1), respectively...
October 21, 2017: Chemosphere
https://www.readbyqxmd.com/read/29137026/implantation-of-artificialiris-a-customflex-irisprosthesis-in-a-trauma-patient-with-an-artisan-lens-a-case-report-and-review
#2
Farideh Doroodgar, Mahmoud Jabbarvand, Feizollah Niazi, Sana Niazi, Azad Sanginabadi
PURPOSE: To evaluate probable complications of ArtificialIris implantation with iris fixated intraocular lens. METHOD: Development of photophobia, glare, and psychological strain during face-to-face communication in a 23-year-old man with a widespread traumatic iris defect terminate to make a decision for performing implantation of an ArtificialIris (Humanoptics, Erlangen, Germany) under the remnant iris without removing the patient's existing Artisan lens. RESULTS: Without any intraoperative or postoperative complications, the patient's visual acuity increased by 1 line, the endothelial cell loss was comparable with the cell loss associated with standard cataract surgery, and the anterior-chamber depth and anterior-chamber anatomy did not change...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29134521/metals-in-diplodus-sargus-cadenati-and-sparisoma-cretense-a-risk-assessment-for-consumers
#3
Aridani Afonso, Ángel J Gutiérrez, Gonzalo Lozano, Dailos González-Weller, Enrique Lozano-Bilbao, Carmen Rubio, José M Caballero, Consuelo Revert, Arturo Hardisson
The increases in urbanization, demography and industrial activity, along with growing human needs which exploit the resources of the planet, have exponentially exacerbated pollution. In particular, the discharge of heavy metals into the marine ecosystem is a problem of global magnitude, as this may damage the diversity of marine species and ecosystems because of their toxicity, long persistence and bioaccumulation. Consequently, it is necessary to carry out an assessment of the risk of human exposure from the consumption of marine species potentially exposed to this type of pollutants...
November 13, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29124366/interannual-water-quality-changes-at-the-head-of-a-tropical-estuary
#4
Cibele Rodrigues Costa, Monica Ferreira da Costa, Mário Barletta, Luís Henrique Bezerra Alves
Waters entering the small estuaries of the Brazilian north-east originate from drainage basins that cross semi-arid and tropical rainforest areas at various levels of use and conservation. Such rivers are often under heavy demand for water supply and other services, such as effluent dilution. The present study examines four consecutive years (2006-2009) of water quality-monitoring data divided by season (rainy and dry) just before the Goiana River enters its estuary. The environmental variables are largely controlled by rainfall patterns...
November 9, 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/29116696/spinal-decompression-sickness-in-an-artisanal-diving-fisherman-in-yucat%C3%A3-n-mexico-a-case-report
#5
Daniel Popa, Walter Chin, Oswaldo Huchim-Lara, Ian Grover
Artisanal fishermen around the world employ scuba and surface-supplied diving for their livelihoods and often undergo provocative dive profiles due to economic pressures. Consequently, rates of decompression sickness (DCS) are much greater than in recreational scuba divers. Here we present the case of a surface-supplied diving fisherman from the Yucatán Peninsula of Mexico, who suffered a significant episode of spinal DCS and underwent hyperbaric oxygen therapy treatments, with a favorable outcome. Additionally, we review the proposed mechanisms underlying spinal DCS...
2017: Undersea & Hyperbaric Medicine: Journal of the Undersea and Hyperbaric Medical Society, Inc
https://www.readbyqxmd.com/read/29112511/an-anesthesiologist-s-perspective-on-the-history-of-basic-airway-management-the-progressive-era-1904-to-1960
#6
Adrian A Matioc
This third installment of the history of basic airway management discusses the transitional-"progressive"-years of anesthesia from 1904 to 1960. During these 56 yr, airway management was provided primarily by basic techniques with or without the use of a face mask. Airway maneuvers were inherited from the artisanal era: head extension and mandibular advancement. The most common maneuver was head extension, also used in bronchoscopy and laryngoscopy. Basic airway management success was essential for traditional inhalation anesthesia (ether, chloroform) and for the use of the new anesthetic agents (cyclopropane, halothane) and intravenous drugs (thiopental, curare, succinylcholine)...
November 7, 2017: Anesthesiology
https://www.readbyqxmd.com/read/29110639/a-comparison-of-licensed-and-un-licensed-artisanal-and-small-scale-gold-miners-asgm-in-terms-of-socio-demographics-work-profiles-and-injury-rates
#7
Benedict N L Calys-Tagoe, Edith Clarke, Thomas Robins, Niladri Basu
BACKGROUND: Artisanal and small-scale gold mining (ASGM) represents one of the most hazardous work environments. While formalization of this sector has been suggested (e.g., Minamata Convention) as a means to improve working conditions, we are unaware of empirical evidence that supports this notion. This study aimed to compare sociodemographic profiles, work profiles, and injury rates among miners working in licensed versus un-licensed ASGM sites. METHODS: In the Tarkwa mining region of Ghana, 404 small-scale miners were recruited in 2014 and interviewed regarding their occupational injury experiences over the preceding 10 years...
November 6, 2017: BMC Public Health
https://www.readbyqxmd.com/read/29101638/mercury-concentrations-in-bats-chiroptera-from-a-gold-mining-area-in-the-peruvian-amazon
#8
Mónica Moreno-Brush, Alejandro Portillo, Stefan Dominik Brändel, Ilse Storch, Marco Tschapka, Harald Biester
In the southeastern Peruvian Amazon, artisanal and small-scale gold mining (ASGM) is estimated to have released up to 300 tonnes of mercury (Hg) to the environment between 1995 and 2007 alone, and is claimed to be responsible for Hg concentrations above international thresholds for aquatic wildlife species. Here, we examined whether Hg concentrations in bat populations are potentially related to regional ASGM-Hg releases. We determined Hg concentrations in the fur of bats collected at three different distances from the major ASGM areas in Peru...
November 3, 2017: Ecotoxicology
https://www.readbyqxmd.com/read/29089850/characterization-of-enterococcal-community-isolated-%C3%A2-from-an-artisan-istrian-raw-milk-cheese-biotechnological-and-safety-aspects
#9
Mirna Mrkonjic Fuka, Ana Zgomba Maksimovic, Irina Tanuwidjaja, Natasa Hulak, Michael Schloter
In this study, prevalence, biotechnological and safety profiles of 588 Enterococcus isolates isolated from raw milk and Istrian cheese during different stages of ripening were analyzed. Despite the low and variable presence of enterococci in milk ((3.65±2.93) log CFU/mL), highly comparable enterococcal populations were established after 30 days of cheese ripening ((7.96±0.80) log CFU/g), confirming Enterococcus spp. as a major part of the core microbiota of Istrian cheese. The dominant species were E. faecium (53...
September 2017: Food Technology and Biotechnology
https://www.readbyqxmd.com/read/29089737/a-10-year-review-of-urethral-stricture-management-in-irrua-nigeria
#10
Eshiobo Irekpita
BACKGROUND: Several authors have demonstrated regional and temporal changes in the demographics of urethral stricture and its management. OBJECTIVES: To assess the changes in the demographics of the patients and the evolution of the management of urethral stricture in this institution. SUBJECTS AND METHODS: This is a retrospective study. The files of all the men who were diagnosed with urethral stricture from May 2006 to April 2016 were retrieved from the database of the records department of the hospital...
July 2017: Nigerian Journal of Surgery: Official Publication of the Nigerian Surgical Research Society
https://www.readbyqxmd.com/read/29079331/-yeast-microbiota-in-artisanal-cheeses-from-corrientes-argentina
#11
Marina C Cardozo, Ángel J V Fusco, Marta S Carrasco
The artisanal cheese from Corrientes (from the Spanish acronym QAC-Queso Artesanal de Corrientes/Artisanal Cheese from Corrientes) is a soft cheese elaborated with raw cow milk and an artisanal coagulant agent. Lactic bacteria contitute the main flora of this cheese although yeasts are also present in high quantities as secondary microbiota and might play a relevant role in cheese ripening. The aim of this work was to evaluate yeast occurrence during QAC elaboration and ripening, and the effect of seasonal variation...
October 24, 2017: Revista Argentina de Microbiología
https://www.readbyqxmd.com/read/29077748/coastal-livelihood-transitions-under-globalization-with-implications-for-trans-ecosystem-interactions
#12
Daniel B Kramer, Kara Stevens, Nicholas E Williams, Seeta A Sistla, Adam B Roddy, Gerald R Urquhart
Anthropogenic threats to natural systems can be exacerbated due to connectivity between marine, freshwater, and terrestrial ecosystems, complicating the already daunting task of governance across the land-sea interface. Globalization, including new access to markets, can change social-ecological, land-sea linkages via livelihood responses and adaptations by local people. As a first step in understanding these trans-ecosystem effects, we examined exit and entry decisions of artisanal fishers and smallholder farmers on the rapidly globalizing Caribbean coast of Nicaragua...
2017: PloS One
https://www.readbyqxmd.com/read/29051439/current-mercury-exposure-from-artisanal-and-small-scale-gold-mining-in-bombana-southeast-sulawesi-indonesia-future-significant-health-risks
#13
Masayuki Sakakibara, Koichiro Sera
The rapid expansion of the artisanal and small-scale gold mining (ASGM) industry in developing countries has marginalized the local communities in poverty, and resulted in occupational exposure to mercury via the gold extraction process. We investigated the mercury exposure of the mining workers lived inside and outside the mining area. Based on the occupations of the contributors, the hair samples were divided into three subgroups: directly exposed, indirectly exposed, and a control. A total of 81 hair samples were analyzed by particle-induced X-ray emission spectrometry...
February 8, 2017: Toxics
https://www.readbyqxmd.com/read/29039800/high-ethanol-contents-of-spirit-drinks-in-kibera-slums-kenya-implications-for-public-health
#14
Alex O Okaru, Kennedy O Abuga, Isaac O Kibwage, Dirk W Lachenmeier
Cheap licit and artisanal illicit spirit drinks have been associated with numerous outbreaks of alcohol poisoning especially with methanol. This study aimed to evaluate the quality of cheap spirit drinks in Kibera slums in Nairobi County, Kenya. The samples consisted of cheap licit spirits (n = 11) and the artisanal spirit drink, 'chang'aa', (n = 28). The parameters of alcoholic strength and volatile composition were used as indicators of quality and were determined using gas chromatography with flame ionization detection (GC-FID) and gas chromatography-mass spectrometry (GC-MS) respectively...
October 17, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/29019298/a-learned-artisan-debates-the-system-of-the-world-le-clerc-versus-mallemant-de-messange
#15
Oded Rabinovitch
Sébastien Le Clerc (1637-1714) was the most renowned engraver of Louis XIV's France. For the history of scientific publishing, however, Le Clerc represents a telling paradox. Even though he followed a traditional route based on classic artisanal training, he also published extensively on scientific topics such as cosmology and mathematics. While contemporary scholarship usually stresses the importance of artisanal writing as a direct expression of artisanal experience and know-how, Le Clerc's publications, and specifically the work on cosmology in his Système du monde (1706-1708), go far beyond this...
October 11, 2017: British Journal for the History of Science
https://www.readbyqxmd.com/read/29016304/hair-mercury-level-is-associated-with-anemia-and-micronutrient-status-in-children-living-near-artisanal-and-small-scale-gold-mining-in-the-peruvian-amazon
#16
Caren Weinhouse, Ernesto J Ortiz, Axel J Berky, Paige Bullins, John Hare-Grogg, Laura Rogers, Ana-Maria Morales, Heileen Hsu-Kim, William K Pan
Anemia has been widely studied in global health contexts because of severe nutritional deficiency, and more recently, inflammatory status, but chemical exposures are rarely considered. Until recently, "anemia" was used synonymously with "iron deficiency anemia (IDA)" in global health settings. However, only 50% of anemia cases worldwide are IDA. Environmental toxicology studies of anemia risk have generally focused on populations in developed countries, albeit with high exposure to environmental toxicants, such as lead or cadmium...
September 25, 2017: American Journal of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28986635/-aphakic-artisan-verisyse-iols-as-retropupillary-implants-video-article
#17
REVIEW
V Besgen, W Sekundo
The retropupillary implantation of an iris claw intraocular lens (IOL) is an uncomplicated and fast technique for rehabilitation of aphakic eyes without any capsular structures and is presented in a video in the online version of this article. A complete anterior pars plana vitrectomy as shown in our case or an extensive preceding anterior vitrectomy as well as an intact iris are prerequisites. Special instruments for the implantation and fixation of the IOL are available to optimize the operative procedure...
November 2017: Der Ophthalmologe: Zeitschrift der Deutschen Ophthalmologischen Gesellschaft
https://www.readbyqxmd.com/read/28954047/comparative-study-on-gastrostomy-and-orally-nutrition-of-children-and-adolescents-with-tetraparesis-cerebral-palsy
#18
Thaisa Barboza Caselli, Elizete Aparecida Lomazi, Maria Augusta Santos Montenegro, Maria Angela Bellomo-Brandão
BACKGROUND: Gastrostomy tube feeding (GTF) is indicated for children with feeding difficulties due to tetraspastic cerebral palsy, although there are no definitive conclusions about the benefits of GTF. OBJECTIVE: To compare nutritional status and diet of pediatric patients with tetraparesis cerebral palsy who are fed by GTF with those fed orally (PO). METHODS: A transversal and descriptive study on 54 patients with spastic tetraparesis was held...
September 21, 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28948237/oxidative-stress-and-repetitive-element-methylation-changes-in-artisanal-gold-miners-occupationally-exposed-to-mercury
#19
Diana M Narváez, Helena Groot, Sonia M Diaz, Ruth Marien Palma, Nathalia Muñoz, Marie-Pierre Cros, Hector Hernández-Vargas
Mercury (Hg) exposure is a public health concern due to its persistence in the environment and its high toxicity. Such toxicity has been associated with the generation of oxidative stress in occupationally exposed subjects, such as artisanal gold miners. In this study, we characterize occupational exposure to Hg by measuring blood, urine and hair levels, and investigate oxidative stress and DNA methylation associated with gold mining. To do this, samples from 53 miners and 36 controls were assessed. We show higher levels of oxidative stress marker 8-OHdG in the miners...
September 2017: Heliyon
https://www.readbyqxmd.com/read/28935401/long-term-endothelial-cell-loss-in-patients-with-artisan-myopia-and-artisan-toric-phakic-intraocular-lenses-5-and-10-year-results
#20
Soraya M R Jonker, Tos T J M Berendschot, Annick E Ronden, Isabelle E Y Saelens, Noël J C Bauer, Rudy M M A Nuijts
PURPOSE: To evaluate the long-term change in endothelial cell density (ECD) after the implantation of 2 types of rigid iris-fixated phakic intraocular lenses (pIOLs) for the treatment of myopia and astigmatism. DESIGN: Prospective, clinical cohort study. PARTICIPANTS: A total of 507 eyes of 289 patients receiving the Artisan Myopia or Artisan Toric (Ophtec B.V., Groningen, The Netherlands) iris-fixated pIOL for the treatment of myopia or astigmatism at the University Eye Clinic Maastricht as of January 1998...
September 18, 2017: Ophthalmology
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