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https://www.readbyqxmd.com/read/28076320/solid-waste-management-in-thailand-an-overview-and-case-study-tha-khon-yang-sub-district
#1
Nachalida Yukalang, Beverley Dawn Clarke, Kirstin Elizabeth Ross
Due to rapid urbanization, solid waste management (SWM) has become a significant issue in several developing countries including Thailand. Policies implemented by the Central Thai Government to manage SWM issues have had only limited success. This article reviews current municipal waste management plans in Thailand and examines municipal waste management at the local level, with focus on the Tha Khon Yang sub-district surrounding Mahasarakham University in Mahasarakham Province. Within two decades this area has been converted from a rural to an urban landscape featuring accommodation for over 45,000 university students and a range of business facilities...
January 11, 2017: Reviews on Environmental Health
https://www.readbyqxmd.com/read/28073485/spatial-distribution-and-sources-of-organic-matter-and-pollutants-in-the-se-mediterranean-levantine-basin-deep-water-sediments
#2
P Astrahan, J Silverman, Y Gertner, B Herut
A study of deep sea sediment quality was conducted at 52 stations off the Mediterranean coast of Israel (50-1900m depth). Total Organic Carbon (TOC), Polycyclic Aromatic Hydrocarbons (∑PAHs), Poly Chlorinated Biphenyls (∑PCBs) ranged between 0.58 and 1.44%, 12-190 and <0.3-7.7μgkg(-1), respectively. The TOC distribution indicated the Nile delta as an important source of organic matter and the important effect of topography on deposition patterns in this region. PCBs and PAHs quantitative levels were associated with nearby gas well drilling and dredge-material dumping sites...
January 8, 2017: Marine Pollution Bulletin
https://www.readbyqxmd.com/read/28069267/trace-elements-in-native-and-transplanted-fontinalis-antipyretica-and-platyhypnidium-riparioides-from-rivers-polluted-by-uranium-mining
#3
Grzegorz Kosior, Eiliv Steinnes, Aleksandra Samecka-Cymerman, Syverin Lierhagen, Krzysztof Kolon, Agnieszka Dołhańczuk-Śródka, Zbigniew Ziembik
The past uranium/polymetallic mining activities in the Sudety (SW Poland) left abandoned mines, pits, and dumps of waste rocks with trace elements and radionuclides which may erode or leach out and create a potential risk for the aquatic ecosystem, among others. In the present work four rivers affected by effluents from such mines were selected to evaluate the application of aquatic mosses for the bioindication of 56 elements. Naturally growing F. antipyretica and P. riparioides were compared with transplanted samples of the same species...
November 5, 2016: Chemosphere
https://www.readbyqxmd.com/read/28066511/biomass-waste-to-energy-valorisation-technologies-a-review-case-for-banana-processing-in-uganda
#4
REVIEW
Robert Gumisiriza, Joseph Funa Hawumba, Mackay Okure, Oliver Hensel
BACKGROUND: Uganda's banana industry is heavily impeded by the lack of cheap, reliable and sustainable energy mainly needed for processing of banana fruit into pulp and subsequent drying into chips before milling into banana flour that has several uses in the bakery industry, among others. Uganda has one of the lowest electricity access levels, estimated at only 2-3% in rural areas where most of the banana growing is located. In addition, most banana farmers have limited financial capacity to access modern solar energy technologies that can generate sufficient energy for industrial processing...
2017: Biotechnology for Biofuels
https://www.readbyqxmd.com/read/28061882/indoor-and-outdoor-pm10-levels-at-schools-located-near-mine-dumps-in-gauteng-and-north-west-provinces-south-africa
#5
Vusumuzi Nkosi, Janine Wichmann, Kuku Voyi
BACKGROUND: Few studies in South Africa have investigated the exposure of asthmatic learners to indoor and outdoor air pollution at schools. This study compared outdoor PM10 and SO2 exposure levels in exposed (1-2 km from gold mine dumps) and unexposed schools (5 km or more from gold mine dumps). It also examined exposure of asthmatic children to indoor respirable dust at exposed and unexposed schools. METHODS: The study was conducted between 1 and 31 October 2012 in five schools from exposed and five from unexposed communities...
January 6, 2017: BMC Public Health
https://www.readbyqxmd.com/read/28059191/high-peak-power-cavity-dumping-semiconductor-lasers
#6
Joshua Myers, Chris Kokoczka, Gary Cook, Robert Bedford
We report on the development of a nanosecond pulsed kW-class optically pumped InGaAs semiconductor laser emitting around 1020 nm, which is suitable for applications such as incoherent laser radar, nonlinear optics, and materials processing. Using an intracavity Pockels cell to cavity-dump VECSELs, we are able to access large pulse energies by storing energy in the optical cavity rather than in the gain medium. We demonstrate peak powers >1  kW and 3 μJ pulses, show the pulse length is equivalent to the photon round-trip time, and show that the wavelength can be tuned within the gain bandwidth of the semiconductor gain...
January 1, 2017: Optics Letters
https://www.readbyqxmd.com/read/28050892/in-vivo-pharmacological-evaluation-and-efficacy-study-of-methotrexate-encapsulated-polymer-coated-layered-double-hydroxide-nanoparticles-for-possible-application-in-the-treatment-of-osteosarcoma
#7
Sayantan Ray, Suman Saha, Biswanath Sa, Jui Chakraborty
Considering the existing drawbacks of methotrexate (MTX) with respect to its solubility and toxicity, we incorporated it in a nanoceramic matrix, Mg-Al-layered double hydroxide (LDH) to form LDH-MTX nanoparticles, and the same was in turn encapsulated in a nontoxic and biodegradable polymer, poly (D,L-lactide-co-glycolide) (PLGA), to arrest the initial burst release and dose-dumping-related toxicity, already reported by our group. Our present study was designed to evaluate the pharmacokinetics, tissue distribution, survival rate of the test animals, and antitumor efficacy of the PLGA-LDH-MTX nanoparticles and its counterpart without LDH, PLGA-MTX nanoparticles compared with bare MTX...
January 3, 2017: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/28048891/th-e-209-00-radiation-dose-monitoring-and-protocol-management
#8
Matthew Palmer
: Radiation dose monitoring solutions have opened up new opportunities for medical physicists to be more involved in modern clinical radiology practices. In particular, with the help of comprehensive radiation dose data, data-driven protocol management and informed case follow up are now feasible. Significant challenges remain however and the problems faced by medical physicists are highly heterogeneous. Imaging systems from multiple vendors and a wide range of vintages co-exist in the same department and employ data communication protocols that are not fully standardized or implemented making harmonization complex...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048239/th-e-209-01-fluoroscopic-dose-monitoring-and-patient-follow-up-program-at-massachusetts-general-hospital
#9
B Liu
: Radiation dose monitoring solutions have opened up new opportunities for medical physicists to be more involved in modern clinical radiology practices. In particular, with the help of comprehensive radiation dose data, data-driven protocol management and informed case follow up are now feasible. Significant challenges remain however and the problems faced by medical physicists are highly heterogeneous. Imaging systems from multiple vendors and a wide range of vintages co-exist in the same department and employ data communication protocols that are not fully standardized or implemented making harmonization complex...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28047593/th-e-209-02-dose-monitoring-and-protocol-optimization-the-pediatric-perspective
#10
R MacDougall
: Radiation dose monitoring solutions have opened up new opportunities for medical physicists to be more involved in modern clinical radiology practices. In particular, with the help of comprehensive radiation dose data, data-driven protocol management and informed case follow up are now feasible. Significant challenges remain however and the problems faced by medical physicists are highly heterogeneous. Imaging systems from multiple vendors and a wide range of vintages co-exist in the same department and employ data communication protocols that are not fully standardized or implemented making harmonization complex...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28046943/th-e-209-03-development-of-an-in-house-ct-dose-monitoring-and-management-system-based-on-open-source-software-resources-pearls-and-pitfalls
#11
D Zhang
: Radiation dose monitoring solutions have opened up new opportunities for medical physicists to be more involved in modern clinical radiology practices. In particular, with the help of comprehensive radiation dose data, data-driven protocol management and informed case follow up are now feasible. Significant challenges remain however and the problems faced by medical physicists are highly heterogeneous. Imaging systems from multiple vendors and a wide range of vintages co-exist in the same department and employ data communication protocols that are not fully standardized or implemented making harmonization complex...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28034611/dumping-the-information-bucket-a-qualitative-study-of-clinicians-caring-for-patients-with-early-stage-non-small-cell-lung-cancer
#12
Sara E Golden, Charles R Thomas, Drew Moghanaki, Christopher G Slatore
OBJECTIVE: To evaluate the quality of patient-clinician communication and shared decision making (SDM) when two disparate treatments for early stage non-small cell lung cancer (NSCLC) are discussed. METHODS: We conducted a qualitative study to evaluate the experiences of 20 clinicians caring for patients with clinical Stage I NSCLC prior to treatment, focusing on communication practices. We used directed content analysis and a patient-centered communication theoretical model to guide understanding of communication strategies...
December 21, 2016: Patient Education and Counseling
https://www.readbyqxmd.com/read/28029482/a-chronic-toxicity-study-of-diphenylarsinic-acid-in-f344-rats-in-drinking-water-for-52-weeks
#13
Takashi Yamaguchi, Min Gi, Shotarou Yamano, Masaki Fujioka, Kumiko Tatsumi, Satoko Kawachi, Naomi Ishii, Kenichiro Doi, Anna Kakehashi, Hideki Wanibuchi
Diphenylarsinic acid (DPAA), a chemical warfare-related neurotoxic organic arsenical, is present in the groundwater and soil in some regions of Japan due to illegal dumping after World War II. The purpose of the present study was to evaluate the potential toxicity of DPAA when administered to rats in their drinking water for 52 weeks. DPAA was administered to groups 1-4 at concentrations of 0, 5, 10, and 20ppm in their drinking water for 52 weeks. There were no significant differences in the final body weights between the control groups and the treatment groups in male or female rats...
October 28, 2016: Experimental and Toxicologic Pathology: Official Journal of the Gesellschaft Für Toxikologische Pathologie
https://www.readbyqxmd.com/read/28013468/performance-and-emission-analysis-on-blends-of-diesel-restaurant-yellow-grease-and-n-pentanol-in-direct-injection-diesel-engine
#14
J Ravikumar, S Saravanan
Yellow grease from restaurants is typically waste cooking oil (WCO) free from suspended food particles with free fatty acid (FFA) content less than 15%. This study proposes an approach to formulate a renewable, eco-friendly fuel by recycling WCO with diesel (D) and n-pentanol (P) to improve fuel-spray characteristics. Three ternary blends (D50-WCO45-P5, D50-WCO40-P10 and D50-WCO30-P20) were selected based on the stability tests and prepared with an objective to substitute diesel by 50% with up to 45% recycled component (WCO) and up to 20% bio-component (n-pentanol) by volume...
December 24, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28012461/ten-years-in-the-dump-an-updated-review-of-the-miocene-primate-bearing-localities-from-abocador-de-can-mata-ne-iberian-peninsula
#15
David M Alba, Isaac Casanovas-Vilar, Miguel Garcés, Josep M Robles
More than ten years of paleontological fieldwork during the enlargement of the Can Mata Landfill (Abocador de Can Mata [ACM]), in els Hostalets de Pierola (Vallès-Penedès Basin, NE Iberian Peninsula) led to the recovery of >60,000 Miocene vertebrate remains. The huge sampling effort (due to continuous surveillance of heavy machinery digging activity, coupled with manual excavation and screen-washing of sediments) enabled generally rare faunal elements such as pliopithecoid and hominoid primates to be found...
January 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28000775/structural-basis-of-the-substrate-preference-towards-cmp-for-a-thymidylate-synthase-mila-involved-in-mildiomycin-biosynthesis
#16
Gong Zhao, Cheng Chen, Wei Xiong, Tuling Gao, Zixin Deng, Geng Wu, Xinyi He
Modified pyrimidine monophosphates such as methyl dCMP (mdCMP), hydroxymethyl dUMP (hmdUMP) and hmdCMP in some phages are synthesized by a large group of enzymes termed as thymidylate synthases (TS). Thymidylate is a nucleotide required for DNA synthesis and thus TS is an important drug target. In the biosynthetic pathway of the nucleoside fungicide mildiomycin isolated from Streptomyces rimofaciens ZJU5119, a cytidylate (CMP) hydroxymethylase, MilA, catalyzes the conversion of CMP into 5'-hydroxymethyl CMP (hmCMP) with an efficiency (kcat/KM) of 5-fold faster than for deoxycytidylate (dCMP)...
December 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27995577/patient-dumping-outlier-payments-and-optimal-healthcare-payment-policy-under-asymmetric-information
#17
Tsuyoshi Takahara
We analyze a rationale for official authorization of patient dumping in the prospective payment policy framework. We show that when the insurer designs the healthcare payment policy to let hospitals dump high-cost patients, there is a trade-off between the disutility of dumped patients (changes in hospitals' rent extraction due to low-severity patients) and the shift in the level of cost reduction efforts for high-severity patients. We also clarify the welfare-improving conditions by allowing hospitals to dump high-severity patients...
December 2016: Health Economics Review
https://www.readbyqxmd.com/read/27995029/thermal-hydraulic-analysis-of-the-coil-test-facility-for-cfetr
#18
Yong Ren, Xiaogang Liu, Junjun Li, Zhaoliang Wang, Lilong Qiu, Shijun Du, Guoqiang Li, Xiang Gao
BACKGROUND: Performance test of the China Fusion Engineering Test Reactor (CFETR) central solenoid (CS) and toroidal field (TF) insert coils is of great importance to evaluate the CFETR magnet performance in relevant operation conditions. The superconducting magnet of the coil test facility for CFETR is being designed with the aim of providing a background magnetic field to test the CFETR CS insert and TF insert coils. RESULTS: The superconducting magnet consists of the inner module with Nb3Sn coil and the outer module with NbTi coil...
2016: SpringerPlus
https://www.readbyqxmd.com/read/27994477/acarbose-promotes-remission-of-both-early-and-late-dumping-syndromes-in-post-bariatric-patients
#19
Flavio A Cadegiani, Osvalmir Sá Silva
OBJECTIVE: Acarbose is a glucosidase inhibitor that slows carbohydrate digestion. It could thus be effective to promote remission of dumping syndrome (DS). Previous studies associating acarbose and late dumping, although not early dumping, have been reported. Herein, we aimed to evaluate the role of acarbose in dumping syndrome prevention and treatment and in resistive exercises resistance in bariatric subjects. METHODS: Bariatric patients with DS and complete adherence to diet plan and resistive exercises were included (n=25)...
2016: Diabetes, Metabolic Syndrome and Obesity: Targets and Therapy
https://www.readbyqxmd.com/read/27981466/multiple-geophysical-surveys-for-old-landfill-monitoring-in-singapore
#20
Ke Yin, Huanhuan Tong, Apostolos Giannis, Jing-Yuan Wang, Victor W-C Chang
One-dimensional boring presents limitations on mapping the refuse profile in old landfills owning to waste heterogeneity. Electrical imaging (EI) and multiple-analysis of surface wave (MASW) were hereby deployed at an old dumping ground in Singapore to explore the subsurface in relation to geotechnical analysis. MASW estimated the refuse boundary with a higher precision as compared to EI, due to its endurance for moisture variation. EI and MASW transection profiles suggested spots of interest, e.g., refuse pockets and leachate mounds...
January 2017: Environmental Monitoring and Assessment
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