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https://www.readbyqxmd.com/read/28528531/diversity-and-distribution-of-ticks-from-domestic-ruminants-in-lebanon
#1
Mayssaa Fawaz Dabaja, Maria Tempesta, Ali Bayan, Gesualdo Vesco, Grazia Greco, Grazia Greco, Alessandra Torina, Valeria Blanda, Francesco La Russa, Salvatore Scimeca, Rossella Lelli, Mohamad Ezzedine, Hussein Mortada, Didier Raoult, Pierre Edouard Fournier, Mohamad Mortada
Ticks (Acari: Ixodidae) are ectoparasites infesting livestock in every geographic area in the world and they are vectors of several viral, bacterial, and protozoan pathogens to animals and humans worldwide. A deep knowledge of the geographical distribution of these arthropods would have a key role in the control of tick-borne diseases. Few data are available about tick presence in domestic ruminants in Lebanon. The study aimed at providing an analysis of tick presence and distribution in Lebanon. Ticks were collected from cattle, sheep, and goats farms distributed in 6 Lebanese provinces between June and September 2014...
April 11, 2017: Veterinaria Italiana
https://www.readbyqxmd.com/read/28528500/using-poly-glutamic-acid-as-soil-washing-agent-to-remediate-heavy-metal-contaminated-soils
#2
Zong-Han Yang, Cheng-Di Dong, Chiu-Wen Chen, Yih-Terng Sheu, Chih-Ming Kao
The extraction efficiency of heavy metals from soils using three forms of gamma poly-glutamic acid (γ-PGA) as the washing agents was investigated. Controlling factors including agent concentrations, extraction time, pH, and liquid to soil ratio were evaluated to determine the optimum operational conditions. The distribution of heavy metal species in soils before and after extraction processes was analyzed. Up to 46 and 74% of heavy metal removal efficiencies were achieved with one round and a sequential extraction process using H-bonding form of γ-PGA (200 mM) with washing time of 40 min, liquid to solid ratio of 10 to 1, and pH of 6...
May 20, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28528484/current-contamination-status-of-perfluoroalkyl-substances-in-tapwater-from-17-cities-in-the-eastern-china-and-their-correlations-with-surface-waters
#3
Ke-Yan Tan, Guo-Hui Lu, Hai-Tao Piao, Shu Chen, Xing-Chun Jiao, Nan Gai, Eriko Yamazaki, Nobuyoshi Yamashita, Jing Pan, Yong-Liang Yang
The contamination status of perfluoroalkyl substances (PFASs) were investigated in 64 tapwater samples collected from 17 cities and 45 surface water samples from adjacent areas in the eastern China. The total PFAS concentrations in tapwater ranged from 1.4 to 175 ng/L; relatively higher PFAS levels were observed in samples collected from the Yangtze River Delta region, which was similar to the geographical distribution pattern of PFAS levels observed in rivers and lakes. The highest total PFASs in tapwater was found in Changshu, where several fluorine-related industries are located, whereas the lowest was observed in Beijing...
May 20, 2017: Bulletin of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528458/cardiac-amyloidosis-diagnosis-and-treatment-strategies
#4
REVIEW
Mirela Tuzovic, Eric H Yang, Arnold S Baas, Eugene C Depasquale, Mario C Deng, Daniel Cruz, Gabriel Vorobiof
Cardiac amyloidosis in the United States is most often due to myocardial infiltration by immunoglobulin protein, such as in AL amyloidosis, or by the protein transthyretin, such as in hereditary and senile amyloidosis. Cardiac amyloidosis often portends a poor prognosis especially in patients with systemic AL amyloidosis. Despite better understanding of the pathophysiology of amyloid, many patients are still diagnosed late in the disease course. This review investigates the current understanding and new research on the diagnosis and treatment strategies in patients with cardiac amyloidosis...
July 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28528433/hydrolysis-of-phosphatidylcholine-isoprostanes-ptdcho-ip-by-peripheral-human-group-iia-v-and-x-secretory-phospholipases-a2-spla2
#5
Arnis Kuksis, Waldemar Pruzanski
Biologically active F- and E/D-type-prostane ring isomers (F2-IP and E2/D2-IP, respectively) are produced in situ by non-enzymatic peroxidation of arachidonic acid esterified to GroPCho (PtdCho-IP) and are universally distributed in tissue lipoproteins and cell membranes. Previous work has shown that platelet-activating factor acetylhydrolases (PAF-AH) are the main endogenous PLA2 involved in degradation of PtdCho-IP. The present study shows that the PtdCho-IP are also subject to hydrolysis by group IIA, V and X secretory PLA2, which also have a wide peripheral tissue distribution...
May 20, 2017: Lipids
https://www.readbyqxmd.com/read/28528420/soil-or-dust-for-health-risk-assessment-studies-in-urban-environment
#6
M Gabarrón, A Faz, J A Acosta
To identify the best material (soil or dust) to be selected for health-risk assessment studies, road dust and urban soil from three cities with different population densities were collected, and size fractions were analysed for metal content (Pb, Zn, Cu, Cd, Cr, Co, and Ni). Results showed similar distribution of the size particles among cities, predominating fractions between 75 and 2000 μm in road dust and particles below 75 μm in soil. Metals were mainly bound to PM10 in both soil and road dust increasing the risk of adverse health effects, overall through inhalation exposure...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528418/spatial-distribution-and-temporal-trend-of-anthropogenic-organic-compounds-derived-from-the-2011-east-japan-earthquake
#7
Kaoruko Mizukawa, Yasuko Hirai, Hiroyuki Sakakibara, Satoshi Endo, Keiji Okuda, Hideshige Takada, Naoko Murakami-Sugihara, Kotaro Shirai, Hiroshi Ogawa
The tsunami caused by the Great East Japan Earthquake on March 11, 2011 disturbed coastal environments in the eastern Tohoku region in Japan. Numerous terrestrial materials, including anthropogenic organic compounds, were deposited in the coastal zone. To evaluate the impacts of the disaster, we analyzed PCBs, LABs, PAHs, and hopanes in mussels collected from 12 locations in the east of Tohoku during 2011-2015 (series A) by GC-ECD or GC-MS and compared them with results from mussels collected from 22 locations around Japan during 2001-2004 (series B)...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528413/dissolved-platinum-concentrations-in-coastal-seawater-boso-to-sanriku-areas-japan
#8
Asami Suzuki Mashio, Hajime Obata, Toshitaka Gamo
Platinum, one of the rarest elements in the earth's crust, is now widely used in a range of products, such as catalytic converters in automobiles and anticancer drugs. Increasing use and dispersal of platinum has the potential to affect aquatic environments. Platinum concentrations in open ocean seawater have been found to be very low (approximately 0.2 pmol/L); however, Pt distributions and biogeochemical cycles in coastal areas are unknown. In this study, we investigated Pt concentrations in coastal waters between the Boso and Sanriku areas, Japan, after the 2011 tsunami...
May 20, 2017: Archives of Environmental Contamination and Toxicology
https://www.readbyqxmd.com/read/28528397/perioperative-hypothalamic-pituitary-adrenal-function-in-patients-with-silent-corticotroph-adenomas
#9
Abdelle F Cheres, Nadine ElAsmar, Aman Rajpal, Warren R Selman, Baha M Arafah
BACKGROUND: Silent corticotroph adenomas (SCAs) are characterized by strong ACTH immunostaining without clinical manifestations of hypercortisolism. Patients with SCAs often present with mechanical symptoms related to tumor growth. This study investigates the hypothalamic pituitary adrenal axis (HPA) characteristics after adenomectomy in patients with SCAs. METHODS: Biochemical parameters of HPA function were monitored frequently after surgical resection of non-functioning macroadenomas...
May 20, 2017: Pituitary
https://www.readbyqxmd.com/read/28528391/dynamism-in-the-upstream-invasion-edge-of-a-freshwater-fish-exposes-range-boundary-constraints
#10
Erika S Rubenson, Julian D Olden
Studying the dynamics of species' borders can provide insight into the mechanisms limiting or promoting range expansion in response to environmental change. In the John Day River, Oregon (USA), rising stream temperatures are facilitating the upstream expansion of invasive smallmouth bass Micropterus dolomieu. Here, where smallmouth bass occupy the upstream limit of its thermal tolerance, we explore population structure and seasonal movement patterns to elucidate the environmental conditions and individual traits that define front edge (where individuals reside year-round) and leading edge (where individuals colonize, but may not establish) limits to its upstream distribution...
May 20, 2017: Oecologia
https://www.readbyqxmd.com/read/28528360/a-spiking-neural-network-model-of-the-midbrain-superior-colliculus-that-generates-saccadic-motor-commands
#11
Bahadir Kasap, A John van Opstal
Single-unit recordings suggest that the midbrain superior colliculus (SC) acts as an optimal controller for saccadic gaze shifts. The SC is proposed to be the site within the visuomotor system where the nonlinear spatial-to-temporal transformation is carried out: the population encodes the intended saccade vector by its location in the motor map (spatial), and its trajectory and velocity by the distribution of firing rates (temporal). The neurons' burst profiles vary systematically with their anatomical positions and intended saccade vectors, to account for the nonlinear main-sequence kinematics of saccades...
May 20, 2017: Biological Cybernetics
https://www.readbyqxmd.com/read/28528356/operating-room-fires-in-periocular-surgery
#12
Michael A Connor, Anne M Menke, Ivan Vrcek, John W Shore
AIM: A survey of ophthalmic plastic and reconstructive surgeons as well as seven-year data regarding claims made to the Ophthalmic Mutual Insurance Company (OMIC) is used to discuss operating room fires in periocular surgery. METHODS: A retrospective review of all closed claim operating room fires submitted to OMIC was performed. A survey soliciting personal experiences with operating room fires was distributed to all American Society of Oculoplastic and Reconstructive Surgeons...
May 20, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28528287/population-pharmacokinetics-of-oxcarbazepine-and-its-metabolite-10-hydroxycarbazepine-in-healthy-subjects
#13
Natalicia de Jesus Antunes, Sven C van Dijkman, Vera Lucia Lanchote, Lauro Wichert-Ana, Eduardo Barbosa Coelho, Veriano Alexandre Junior, Osvaldo Massaiti Takayanagui, Eduardo Tozatto, Johan G C van Hasselt, Oscar Della Pasqua
Oxcarbazepine is indicated for the treatment of partial or generalized tonic-clonic seizures. The majority of the oxcarbazepine is converted into its active metabolite, 10-hydroxycarbazepine (MHD), which can exist as R-(-)- and S-(+)-MHD enantiomers. Here we describe the influence of the P-glycoprotein (P-gp) inhibitor verapamil, on the disposition of oxcarbazepine and MHD enantiomers, both of which are P-gp substrates. Healthy subjects (n=12) were randomized to oxcarbazepine or oxcarbazepine combined with verapamil at doses of 300mg b...
May 17, 2017: European Journal of Pharmaceutical Sciences
https://www.readbyqxmd.com/read/28528277/determining-the-number-of-test-fires-needed-to-represent-the-variability-present-within-9mm-luger-firearms
#14
Eric F Law, Keith B Morris, Casey M Jelsema
Many studies have been performed in recent years in the field of firearm examination with the goal of providing an objective method for comparisons of fired cartridge cases. No published research to support the number of test fires needed to represent the variability present within the impressions left on a cartridge case could be found. When a suspect firearm is submitted to a firearm examiner, typically two to four test fires are performed. The recovered cartridge cases are compared to each other to determine which characteristics from the firearm are reproducing, and then compared to any cartridge cases collected at a crime scene...
May 3, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28528263/influences-of-land-use-and-antecedent-dry-weather-period-on-pollution-level-and-ecological-risk-of-heavy-metals-in-road-deposited-sediment
#15
Jin Zhang, Pei Hua, Peter Krebs
Road-deposited sediment and its adsorbed pollutants have been regarded as significant sources of urban diffuse pollution. In this study, the solid-phase concentrations (mg/g), surface load (mg/m(2)) and chemical fractionation of zinc (Zn), copper (Cu) and cadmium (Cd) were determined. Geo-accumulation (Igeo) and ecological risk (RI) indexes were employed for metal risk assessment. Results show that the highest solid-phase concentrations of Zn and Cu were usually found at an industrial area. However, Cd had the highest solid-phase concentrations at a rural area, followed by a commercial area...
May 18, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28528212/targeted-co-delivery-of-polypyrrole-and-rapamycin-by-trastuzumab-conjugated-liposomes-for-combined-chemo-photothermal-therapy
#16
Hanh Thuy Nguyen, Tuan Hiep Tran, Raj Kumar Thapa, Cao Dai Phung, Beom Soo Shin, Jee-Heon Jeong, Han-Gon Choi, Chul Soon Yong, Jong Oh Kim
Trastuzumab is a therapeutic monoclonal antibody that selectively recognizes HER2/neu receptor for targeting breast cancers. In this study, we aimed to present a strategy to combine chemo and phototherapy and targeted delivery via monoclonal antibody for enhanced anticancer effects. We co-loaded a chemotherapeutic agent, rapamycin, and a photosensitizer, polypyrrole, in trastuzumab-conjugated liposomes (LRPmAb) for combined chemo-photothermal therapy. LRPmAb had small size (172.2±9.6nm), narrow distribution, and negative ζ-potential (-12...
May 17, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28528194/analysis-of-peg-oligomers-in-black-gel-inks-discrimination-and-ink-dating
#17
Qiran Sun, Yiwen Luo, Ping Xiang, Xu Yang, Min Shen
Carbon-based black gel inks are common samples in forensic practice of questioned document examination in China, but there are few analytical methods for this type of ink. In this study, a liquid chromatography-.high resolution mass spectrometry (LC-HRMS) method was established for the analysis of PEG oligomers in carbon-based black gel ink entries. The coupled instruments achieve both the identification and quantification of PEG oligomers in ink entries with reproducible results. Twenty carbon-based black gel inks, whose Raman spectra appeared identical, were analyzed using the LC-HRMS method...
May 4, 2017: Forensic Science International
https://www.readbyqxmd.com/read/28528099/investigation-on-water-status-and-distribution-in-broccoli-and-the-effects-of-drying-on-water-status-using-nmr-and-mri-methods
#18
Fangfang Xu, Xin Jin, Lu Zhang, Xiao Dong Chen
Many quality attributes of food products are influenced by the water status and the microstructure. Low-field nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI) methods are applied to non-destructively monitor the water status and structure of food. The aim of this study is to investigate the water status and distribution inside broccoli tissues and the effects of hot-air drying on the water status by using NMR and MRI methods. Transverse relaxation times (T2) provide the information of water status and water distribution...
June 2017: Food Research International
https://www.readbyqxmd.com/read/28528096/analysis-of-domestic-refrigerator-temperatures-and-home-storage-time-distributions-for-shelf-life-studies-and-food-safety-risk-assessment
#19
Anna Roccato, Mieke Uyttendaele, Jeanne-Marie Membré
In the framework of food safety, when mimicking the consumer phase, the storage time and temperature used are mainly considered as single point estimates instead of probability distributions. This singlepoint approach does not take into account the variability within a population and could lead to an overestimation of the parameters. Therefore, the aim of this study was to analyse data on domestic refrigerator temperatures and storage times of chilled food in European countries in order to draw general rules which could be used either in shelf-life testing or risk assessment...
June 2017: Food Research International
https://www.readbyqxmd.com/read/28528021/multicystic-peritoneal-mesothelioma-a-short-review
#20
Chi-Hao Zhang, Ji-Wei Yu, Meng Luo
Multicystic peritoneal mesothelioma (MCPM) is a rare neoplasm, predominantly affecting female patients during their reproductive years. The lesion is usually distributed diffusely in the abdomen and pelvis, but the peritoneum of the pelvic organs is the most common site. MCPM is composed of fluid-filled translucent cysts, connected by varying amounts of fibrous tissue, and lined by a layer of mesothelial cells. Because of the rarity of this disease, the pathogenesis and natural history of MCPM remain poorly understood and continuously debated...
March 31, 2017: Current Problems in Cancer
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