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https://www.readbyqxmd.com/read/27909210/a-full-scale-study-on-thermal-degradation-of-polychlorinated-dibenzo-p-dioxins-and-dibenzofurans-in-municipal-solid-waste-incinerator-fly-ash-and-its-secondary-air-pollution-control-in-china
#1
Xingbao Gao, Bingjing Ji, Dahai Yan, Qifei Huang, Xuemei Zhu
Degradation of polychlorinated dibenzo-p-dioxins and dibenzofurans in municipal solid waste incinerator fly ash is beneficial to its risk control. Fly ash was treated in a full-scale thermal degradation system (capacity 1 t d(-1)) to remove polychlorinated dibenzo-p-dioxins and dibenzofurans. Apart from the confirmation of the polychlorinated dibenzo-p-dioxin and dibenzofuran decomposition efficiency, we focused on two major issues that are the major obstacles for commercialising this decomposition technology in China, desorption and regeneration of dioxins and control of secondary air pollution...
November 30, 2016: Waste Management & Research
https://www.readbyqxmd.com/read/27908667/concentrations-of-polychlorinated-dibenzodioxins-polychlorodibenzofurans-and-polychlorobiphenyls-in-women-of-reproductive-age-in-italy-a-human-biomonitoring-study
#2
Anna Maria Ingelido, Vittorio Abate, Annalisa Abballe, Fulvia Lucia Albano, Tatiana Battista, Valter Carraro, Michele Conversano, Rosa Corvetti, Silvia De Luca, Silva Franchini, Anna Rita Fulgenzi, Laura Giambanco, Nicola Iacovella, Anna Laura Iamiceli, Antonio Maiorana, Francesco Maneschi, Valentina Marra, Flavia Pirola, Maria Grazia Porpora, Enrico Procopio, Nicola Suma, Silvia Valentini, Luisa Valsenti, Valerio Vecchiè, Elena De Felip
BACKGROUND: Polychlorinated dibenzodioxins (PCDDs), polychlorodibenzofurans (PCDFs), and polychlorobiphenyls (PCBs) are persistent organic pollutants that represent a major concern for women of reproductive age because of the neurodevelopmental effects associated to perinatal exposure. OBJECTIVES: This study was aimed at characterizing exposure of women of reproductive age to PCDDs, PCDFs, and PCBs as a function of residence in different Italian Regions, in areas at presumable different environmental contamination and human exposure to these pollutants...
November 24, 2016: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/27906631/mitochondrial-purine-and-pyrimidine-metabolism-and-beyond
#3
Liya Wang
Carefully balanced deoxynucleoside triphosphate (dNTP) pools are essential for both nuclear and mitochondrial genome replication and repair. Two synthetic pathways operate in cells to produce dNTPs, e.g., the de novo and the salvage pathways. The key regulatory enzymes for de novo synthesis are ribonucleotide reductase (RNR) and thymidylate synthase (TS), and this process is considered to be cytosolic. The salvage pathway operates both in the cytosol (TK1 and dCK) and the mitochondria (TK2 and dGK). Mitochondrial dNTP pools are separated from the cytosolic ones owing to the double membrane structure of the mitochondria, and are formed by the salvage enzymes TK2 and dGK together with NMPKs and NDPK in postmitotic tissues, while in proliferating cells the mitochondrial dNTPs are mainly imported from the cytosol produced by the cytosolic pathways...
December 2016: Nucleosides, Nucleotides & Nucleic Acids
https://www.readbyqxmd.com/read/27906154/-factors-associated-with-overweight-and-obesity-in-schoolchildren-from-8-to-9-years-old-barcelona-spain
#4
Francesca Sánchez-Martínez, Peter Torres Capcha, Gemma Serral Cano, Sara Valmayor Safont, Conxa Castell Abat, Carles Ariza Cardenal
OBJECTIVE: Childhood overweight and obesity have increased progressively in the last decades, especially in countries of Southern Europe. The aim of this study was to identify the prevalence of overweight, obesity and its determinants in schoolchildren between 8-9 years old from Barcelona. METHODS: Cross-sectional study of a representative sample of 3,262 schoolchildren in 2011. Body Mass Index (BMI) was calculated following the criteria established by the World Health Organization (z-scores)...
December 2, 2016: Revista Española de Salud Pública
https://www.readbyqxmd.com/read/27906039/peering-below-the-diffraction-limit-robust-and-specific-sorting-of-viruses-with-flow-cytometry
#5
Shea T Lance, David J Sukovich, Kenneth M Stedman, Adam R Abate
BACKGROUND: Viruses are incredibly diverse organisms and impact all forms of life on Earth; however, individual virions are challenging to study due to their small size and mass, precluding almost all direct imaging or molecular analysis. Moreover, like microbes, the overwhelming majority of viruses cannot be cultured, impeding isolation, replication, and study of interesting new species. Here, we introduce PCR-activated virus sorting, a method to isolate specific viruses from a heterogeneous population...
December 1, 2016: Virology Journal
https://www.readbyqxmd.com/read/27903293/personalized-medicine-approach-confirms-a-milder-case-of-abat-deficiency
#6
A Besse, A K Petersen, J V Hunter, V Appadurai, S R Lalani, P E Bonnen
ABAT deficiency (OMIM 613163) is a rare inborn error of metabolism caused by recessive variants in the gene 4-aminobutyric acid transaminase (ABAT), which is responsible for both the catalysis of GABA and maintenance of nucleoside pools in the mitochondria. To date, only a few patients have been reported worldwide. Their clinical presentation has been remarkably consistent with primary features of severe psychomotor retardation, encephalopathy, hypotonia, and infantile-onset refractory epilepsy. We report a new case of ABAT deficiency that marks an important departure from previous clinical findings...
December 1, 2016: Molecular Brain
https://www.readbyqxmd.com/read/27902653/meningococcal-disease-in-children-in-argentina-a-three-year-active-sentinel-hospital-surveillance-study
#7
Ángela Gentile, Julia Bakir, María Rosa Agosti, Gabriela Ensinck, Hector Abate, Andrea Gajo Gane, Alejandro Santillán Iturres, Adriana Efron, Mabel Regueira, Ricardo Rüttimann
BACKGROUND: Meningococcal disease (MD) is a medical emergency and a serious public health problem. As new meningococcal vaccines become available, MD surveillance is crucial to provide baseline epidemiologic data before implementing preventive measures. We estimated MD incidence and epidemiology in Argentina using hospital-based surveillance. METHODS: 3-year prospective active surveillance in patients ≤15 years of age conducted at 6 pediatric hospital sentinel units (March 2012-February 2015)...
November 28, 2016: Pediatric Infectious Disease Journal
https://www.readbyqxmd.com/read/27900869/-evaluation-of-five-years-of-treatment-of-erdheim-chester-disease-with-anakinra-case-report-and-overview-of-literature
#8
Zdeněk Adam, Hana Petrášová, Zdeněk Řehák, Renata Koukalová, Marta Krejčí, Luděk Pour, Eva Vetešníková, Aleš Čermák, Sabina Ševčíková, Petr Szturz, Zdeněk Král, Jiří Mayer
: Erdheim-Chester disease is a histiocytic neoplasm of diseases from the group of non-Langerhans-cell histiocytoses, formed by infiltrates of foamy histiocytes. These pathological histiocytes produce pro-inflammatory cytokines. Therefore Erdheim-Chester disease is called inflammatory histiocytary neoplasm. The disease is accompanied by clinical symptoms of systemic inflammatory response, i.e. B symptoms. Imaging examinations detect typical osteosclerotic changes affecting diaphyses and metaphyses of the lower long bones and fibrotic changes which affect the aorta wall and the vessels leading from it...
2016: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/27900703/the-treatment-of-distal-third-humeral-diaphyseal-fractures-is-there-still-a-place-for-the-external-fixation
#9
N Tartaglia, G Vicenti, M Carrozzo, A Abate, F Rifino, G Picca, G Solarino, B Moretti
INTRODUCTION: The treatment for humeral diaphyseal fractures is still controversial. The purpose of this study was to evaluate the clinical and radiographic outcomes of treating humeral distal third diaphyseal fractures by using external fixation technique. MATERIALS AND METHODS: We retrospectively review 65 cases of diaphyseal humeral fractures (31 type A, 23 type B and 11 type C of the AO/OTA classification) treated with external fixation (Orthofix FAD small) between 2008 and 2013...
December 2016: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/27900077/selective-beneficial-cardiometabolic-effects-of-vertical-sleeve-gastrectomy-are-predominantly-mediated-through-glucagon-like-peptide-glp-1-in-zucker-diabetic-fatty-rats
#10
Sunil Kumar, Raymond Lau, Thomas Palaia, Christopher Hall, Jenny Lee, Keneth Hall, Collin E Brathwaite, Louis Ragolia
BACKGROUND: Glucagon-like peptide-1 (GLP-1) level was significantly increased post Vertical Sleeve Gastrectomy (VSG), an effect believed to contribute to its beneficial cardiometabolic effects. OBJECTIVE: To validate the beneficial GLP-1 mediated cardiometabolic effects post VSG using GLP-1 antagonist (exendin 9-39) in Zucker diabetic fatty rats. METHODS: Animals were divided into three (n = 5) groups: (i) sham, (ii) VSG, and (iii) VSG received exendin 9-39 (GLP-1 receptor antagonist)...
December 2016: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/27899307/viruses-bystanders-of-periodontal-disease
#11
REVIEW
Titiksha Aggarwal, Arundeep Kaur Lamba, Farrukh Faraz, Shruti Tandon
Bacterial etiology of periodontal disease is an established fact today. However, despite advances in the field of pharmacology with advent of newer and better antibiotics prevalence of the disease could not be abated. Moreover, unpredictable remissions and indefinite pattern in a single host force us to go back to the exact etiology of the disease. Present is a short communication highlighting the role and plausible mechanisms by which viruses can affect the development of periodontal disease. This broadens our concept and will help establish a better treatment protocol for periodontal disease...
November 26, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27898017/assessment-of-macro-level-socioeconomic-factors-that-impact-waterborne-diseases-the-case-of-jordan
#12
John M Polimeni, Ahmad Almalki, Raluca I Iorgulescu, Lucian-Liviu Albu, Wendy M Parker, Ray Chandrasekara
The Hashemite Kingdom of Jordan is an example of a country that suffers from high water scarcity. Additionally, due to the economic drivers in the country, such as phosphate and potash extraction and pharmaceutical production, the little fresh water that remains is generally polluted. The infrastructure, often antiquated in urban areas and non-existent in rural areas, also contributes to poor water conditions and to the spread of waterborne diseases. This paper examines the socioeconomic factors that contribute to diarrhea and hepatitis A on a macro level in Jordan and discusses the public-policies that government officials could use to abate those problems...
November 25, 2016: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/27889070/prenatal-ethanol-exposure-modifies-locomotor-activity-and-induces-selective-changes-in-met-enk-expression-in-adolescent-rats
#13
P Abate, A C Reyes-Guzmán, K Hernández-Fonseca, M Méndez
Several studies suggest that prenatal ethanol exposure (PEE) facilitates ethanol intake. Opioid peptides play a main role in ethanol reinforcement during infancy and adulthood. However, PEE effects upon motor responsiveness elicited by an ethanol challenge and the participation of opioids in these actions remain to be understood. This work assessed the susceptibility of adolescent rats to prenatal and/or postnatal ethanol exposure in terms of behavioral responses, as well as alcohol effects on Met-enk expression in brain areas related to drug reinforcement...
November 22, 2016: Neuropeptides
https://www.readbyqxmd.com/read/27887614/insight-into-k13-propeller-gene-polymorphism-and-ex-vivo-dha-response-profiles-from-cameroonian-isolates
#14
Sandie Menard, Joëlle Njila Tchoufack, Christelle Ngou Maffo, Sandrine E Nsango, Xavier Iriart, Luc Abate, Majoline Tchioffo Tsapi, Parfait H Awono-Ambéné, Francis A Abega Mekongo, Isabelle Morlais, Antoine Berry
BACKGROUND: The spread of Plasmodium falciparum resistance to artemisinin derivatives in Southeast Asia is a major source of concern and the emergence of resistance in Africa would have dramatic consequences, by increasing malaria mortality and morbidity. It is therefore urgent to implement regular monitoring in sentinel sites in sub-Saharan Africa using robust and easy-to-implement tools. The prevalence of k13-propeller mutations and the phenotypic profiles are poorly known in sub-Saharan Africa...
November 26, 2016: Malaria Journal
https://www.readbyqxmd.com/read/27884094/synthesis-characterization-and-photocatalytic-activity-of-sonochemical-hydration-dehydration-prepared-zno-rod-like-architecture-nano-microstructures-assisted-by-a-biotemplate
#15
Ayad F Alkaim, Enas M Alrobayi, Abrar M Algubili, Aseel M Aljeboree
ZnO nanoparticles of rod-like architecture have excellent potential to be used in wastewater treatment as a photocatalyst. They were synthesized by utilizing sonochemical/hydration- dehydration techniques using glutamine as a biotemplate. The effects of calcination temperatures, that is, 300°C, 500°C, and 700°C, on the crystallinity, optical properties, and photocatalytic activity of synthesized zinc oxide nanoparticles were investigated. X-ray diffraction (XRD) results indicated that all calcinated samples have a crystalline hexagonal wurtzite structure...
November 25, 2016: Environmental Technology
https://www.readbyqxmd.com/read/27878508/calcium-supplementation-abates-the-inhibition-effects-of-acetic-acid-on-saccharomyces-cerevisiae
#16
Hongwei Zhao, Jingyuan Li, Jiming Wang, Xin Xu, Mo Xian, Huizhou Liu, Haibo Zhang
The toxic level of acetic acid could be released during the pretreatment of lignocellulosic biomass, and an economical method was reported to minimize the acidic stress on the fermentation of Saccharomyces cerevisiae by cation supplementation. A dose-dependent protection of Ca(2+) was monitored, and the optimal concentration of Ca(2+) was 8 mM under 4.5 g/L acetic acid stress. The activities of catalase and superoxide dismutase of yeast cells supplemented with optimal Ca(2+) increased by 18.6 and 27.3 %, respectively, coupling with an obvious decrease of reactive oxygen species content...
November 22, 2016: Applied Biochemistry and Biotechnology
https://www.readbyqxmd.com/read/27876879/stimulus-induced-epileptic-spike-wave-discharges-in-thalamocortical-model-with-disinhibition
#17
Denggui Fan, Suyu Liu, Qingyun Wang
Epileptic absence seizure characterized by the typical 2-4 Hz spike-wave discharges (SWD) are known to arise due to the physiologically abnormal interactions within the thalamocortical network. By introducing a second inhibitory neuronal population in the cortical system, here we propose a modified thalamocortical field model to mathematically describe the occurrences and transitions of SWD under the mutual functions between cortex and thalamus, as well as the disinhibitory modulations of SWD mediated by the two different inhibitory interneuronal populations...
November 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27873163/an-update-on-the-use-of-immunomodulators-in-primary-immunodeficiencies
#18
REVIEW
Pandiarajan Vignesh, Amit Rawat, Surjit Singh
The genomic revolution in the past decade fuelled by breathtaking advances in sequencing technologies has defined several new genetic diseases of the immune system. Many of these newly characterized diseases are a result of defects in genes involved in immune regulation. The discovery of these diseases has opened a vista of new therapeutic possibilities. Immunomodulatory agents, a hitherto unexplored therapeutic option in primary immunodeficiency diseases have been tried in a host of these newly described maladies...
November 21, 2016: Clinical Reviews in Allergy & Immunology
https://www.readbyqxmd.com/read/27869415/a-new-challenge-for-the-world-the-eradication-of-polio
#19
Ángela Gentile, Héctor Abate
Poliovirus infects 100% of susceptible individuals and causes acute flaccid paralysis in one out of200 infections. Type 1 causes epidemic poliomyelitis; type 2 has been eradicated worldwide; and type 3 is close to being eradicated. In this region, the last case of wild poliovirus occurred in Peru in 1991. There are still two endemic countries: Afghanistan and Pakistan, but countries where there is no circulation of the wild poliovirus have also reported imported cases of polio. In May 2012, the World Health Assembly declared the polio eradication a programmatic emergency for global public health and, as a result, developed the Polio Eradication and Endgame Strategic Plan 2013-2018...
December 1, 2016: Archivos Argentinos de Pediatría
https://www.readbyqxmd.com/read/27864453/glial-cells-and-energy-balance
#20
Pilar Argente-Arizón, Santiago Guerra-Cantera, Luis Miguel Garcia-Segura, Jesús Argente, Julie A Chowen
The search for new strategies and drugs to abate the current obesity epidemic has led to the intensification of research aimed at understanding the neuroendocrine control of appetite and energy expenditure. This intensified investigation of metabolic control has also included the study of how glial cells participate in this process. Glia, the most abundant cell type in the central nervous system, perform a wide spectrum of functions and are vital for the correct functioning of neurons and neuronal circuits...
November 18, 2016: Journal of Molecular Endocrinology
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