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https://www.readbyqxmd.com/read/27497309/synthesis-of-a-water-soluble-thiourea-formaldehyde-wtf-resin-and-its-application-to-immobilize-the-heavy-metal-in-mswi-fly-ash
#1
She-Jiang Liu, Yu-Peng Guo, Hong-Yang Yang, Shen Wang, Hui Ding, Yun Qi
Because of the high concentrations of heavy metals, municipal solid waste incineration (MSWI) fly ash is classified as a hazardous waste, which need to be treated to avoid damaging the environment. A novel water-soluble thiourea-formaldehyde (WTF) resin was synthesized by two step reactions (hydroxymethylation reaction and condensation reaction) in the laboratory. Synthetic conditions, removal of free formaldehyde in the resin and the ability of immobilization heavy metals in the MSWI fly ash were studied. The possible molecular structure of the resin was also discussed by elemental analysis and FTIR spectra...
November 1, 2016: Journal of Environmental Management
https://www.readbyqxmd.com/read/27155946/emission-of-bacterial-bioaerosols-from-a-composting-facility-in-maharashtra-india
#2
Arnab Kumar Pahari, Debdeep Dasgupta, Rashmi S Patil, Suparna Mukherji
This study was undertaken to quantify and characterize size-segregated bacterial bioaerosols both on-site and off-site of a waste treatment facility (WTF) in Maharashtra employing windrow composting. Viable bacterial bioaerosols on nutrient agar (NA) and actinomycetes isolation agar (AIA) were quantified after sampling using Anderson-six stage impactor. Viable bacterial bioaerosols were identified based on 16S rDNA sequencing. Approximately, 16-34% of the total viable bacteria collected at the WTF were in the size range 0...
July 2016: Waste Management
https://www.readbyqxmd.com/read/27104932/the-mechanical-and-tribological-properties-of-uhmwpe-loaded-aln-after-mechanical-activation-for-joint-replacements
#3
Kemeng Gong, Shuxin Qu, Yumei Liu, Jing Wang, Yongchao Zhang, Chongxi Jiang, Ru Shen
Ultra-high molecular weight polyethylene (UHMWPE) loaded with alendronate sodium (ALN) has tremendous potential as an orthopeadic biomaterial for joint replacements. However, poor mechanical and tribological properties of UHMWPE-ALN are still obstacle for further application. The purpose of this study was to investigate the effect and mechanism of mechanical activation on mechanical and tribological properties of 1wt% ALN-loaded UHMWPE (UHMWPE-ALN-ma). In this study, tensile test, small punch test and reciprocating sliding wear test were applied to characterize the mechanical and tribological properties of UHMWPE-ALN-ma...
August 2016: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/26999564/impact-attenuation-of-protective-boxing-and-taekwondo-headgear
#4
David M O'Sullivan, Gabriel P Fife
This study aimed to compare the impact attenuation performance of boxing and taekwondo headgear in terms of peak linear and rotational acceleration. To measure the impact attenuation of headgear, a standardized (American Society for Testing and Materials (ASTM) F-2397) martial arts headgear striker was used to impart impacts to a 50th Percentile Male Hybrid III Crash Test Dummy head and neck complex. Two boxing (Adidas and Greenhill) and two taekwondo (Adidas and Nike) headgear, approved by the Association Internationale de Boxe Amateur and the World Taekwondo Federation (WTF), were selected...
November 2016: European Journal of Sport Science
https://www.readbyqxmd.com/read/26577465/wtf-who
#5
James Stacey Taylor
How can healthcare systems gain self-sufficiency in their procurement and distribution of blood and blood products efficiently while maintaining a degree of relatively equitable access for patients? This is a question that, at first look, the World Health Organization (WHO) has answered in detail by advocating for self-sufficiency through non-remunerated blood donation. This essay serves two purposes. First, it illustrates key differences between the WHO's policy recommendations and the realities of healthcare...
December 2015: HEC Forum: An Interdisciplinary Journal on Hospitals' Ethical and Legal Issues
https://www.readbyqxmd.com/read/25993364/recharge-contribution-to-the-guarani-aquifer-system-estimated-from-the-water-balance-method-in-a-representative-watershed
#6
Edson Wendland, Luis H Gomes, Uwe Troeger
The contribution of recharge to regional groundwater flow systems is essential information required to establish sustainable water resources management. The objective of this work was to determine the groundwater outflow in the Ribeirão da Onça Basin using a water balance model of the saturated soil zone. The basin is located in the outcrop region of the Guarani Aquifer System (GAS). The water balance method involved the determination of direct recharge values, groundwater storage variation and base flow...
April 2015: Anais da Academia Brasileira de Ciências
https://www.readbyqxmd.com/read/25889712/anticholinesterase-and-antioxidant-investigations-of-crude-extracts-subsequent-fractions-saponins-and-flavonoids-of-atriplex-laciniata-l-potential-effectiveness-in-alzheimer-s-and-other-neurological-disorders
#7
Zul Kamal, Farhat Ullah, Muhammad Ayaz, Abdul Sadiq, Sajjad Ahmad, Anwar Zeb, Abid Hussain, Muhammad Imran
BACKGROUND: Atriplex laciniata L. was investigated for phenolic, flavonoid contents, antioxidant, anticholinesterase activities, in an attempt to explore its effectiveness in Alzheimer's and other neurological disorders. Plant crude methanolic extract (Al.MeF), subsequent fractions; n-hexane (Al.HxF), chloroform (Al.CfF), ethyl acetate (Al.EaF), aqueous (Al.WtF), Saponins (Al.SPF) and Flavonoids (Al.FLVF) were investigated for DPPH, ABTS and H2O2 free radical scavenging activities. Further these extracts were subjected to acetylcholinesterase (AChE) & butyrylcholinesterase (BChE) inhibitory activities using Ellman's assay...
2015: Biological Research
https://www.readbyqxmd.com/read/25241766/a-case-of-acute-cerebral-ischemia-following-inhalation-of-a-synthetic-cannabinoid
#8
M Takematsu, R S Hoffman, L S Nelson, J M Schechter, J H Moran, S W Wiener
OBJECTIVE: Synthetic cannabinoids are increasingly used in the United States as marijuana substitutes. However, reports of severe toxicity, resulting from their use, are limited. We present the case of acute cerebral infarction following synthetic cannabinoid inhalation. CASE REPORT: A 33-year-old man with no significant medical history presented at the emergency department with right-sided weakness and aphasia. He had smoked a synthetic cannabinoid (SC) product called "WTF" prior to the onset of symptoms...
November 2014: Clinical Toxicology
https://www.readbyqxmd.com/read/24620274/impact-attenuation-of-protective-boxing-and-taekwondo-headgear
#9
D O'Sullivan, G Fife, W Pieter
BACKGROUND: To date, only one study reported the impact attenuation of protective taekwondo headgear. Although Olympic boxing has discontinued the use of headgear, similarities in designs are thought to provide a framework for improvements of taekwondo headgear. OBJECTIVE: To determine differences in impact attenuation of taekwondo and boxing headgear. DESIGN: Between groups. SETTING: Impact biomechanics laboratory. PARTICIPANTS: World Taekwondo Federation (WTF) and Amateur International Boxing Association (AIBA) approved protective headgear...
April 2014: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/24611344/predictors-of-fitness-status-on-success-in-taekwondo
#10
Drazen Cular, Sasa Krstulović, Ratko Katić, Dragan Primorac, Darko Vucić
The aim of this research was to determine the order and importance of particular fitness status variables impact on success in taekwondo according to opinions of top taekwondo instructors (experts). Partial objectives included analysis of metric characteristics of the measuring instrument, and determining differences between two disciplines (sparring and technical discipline of patterns) and two competition systems (WTF and ITF). In accordance with the aims, the research was conducted on a subject sample which consisted of 730 taekwondo instructors from 6 continents and from 69 countries (from which we selected 242 instructors), who are at different success levels in both taekwondo competition systems (styles) and two taekwondo disciplines...
December 2013: Collegium Antropologicum
https://www.readbyqxmd.com/read/24517328/influence-of-water-quality-on-the-embodied-energy-of-drinking-water-treatment
#11
Mark V E Santana, Qiong Zhang, James R Mihelcic
Urban water treatment plants rely on energy intensive processes to provide safe, reliable water to users. Changes in influent water quality may alter the operation of a water treatment plant and its associated energy use or embodied energy. Therefore the objective of this study is to estimate the effect of influent water quality on the operational embodied energy of drinking water, using the city of Tampa, Florida as a case study. Water quality and water treatment data were obtained from the David L Tippin Water Treatment Facility (Tippin WTF)...
2014: Environmental Science & Technology
https://www.readbyqxmd.com/read/23997405/sam-moc-cme-wtf
#12
Charles E Ray
No abstract text is available yet for this article.
September 2012: Seminars in Interventional Radiology
https://www.readbyqxmd.com/read/23914483/anthropological-analysis-of-taekwondo-new-methodological-approach
#13
Drazen Cular, Goran Munivrana, Ratko Katić
The aim of this research is to determine the order and importance of impacts of particular anthropological characteristics and technical and tactical competence on success in taekwondo according to opinions of top taekwondo instructors (experts). Partial objectives include analysis of metric characteristics of the measuring instrument, and determining differences between two disciplines (sparring and technical discipline of patterns) and two competition systems (WTF and ITF). In accordance with the aims, the research was conducted on a sample of respondents which consisted of 730 taekwondo instructors from 6 continents and from 69 countries (from which we selected 242 instructors), who are at different success levels in both taekwondo competition systems (styles) and two taekwondo disciplines...
May 2013: Collegium Antropologicum
https://www.readbyqxmd.com/read/23800109/whole-breast-radiotherapy-in-prone-and-supine-position-is-there-a-place-for-multi-beam-imrt
#14
Thomas Mulliez, Bruno Speleers, Indira Madani, Werner De Gersem, Liv Veldeman, Wilfried De Neve
BACKGROUND: Early stage breast cancer patients are long-term survivors and finding techniques that may lower acute and late radiotherapy-induced toxicity is crucial. We compared dosimetry of wedged tangential fields (W-TF), tangential field intensity-modulated radiotherapy (TF-IMRT) and multi-beam IMRT (MB-IMRT) in prone and supine positions for whole-breast irradiation (WBI). METHODS: MB-IMRT, TF-IMRT and W-TF treatment plans in prone and supine positions were generated for 18 unselected breast cancer patients...
2013: Radiation Oncology
https://www.readbyqxmd.com/read/23606691/coagulation-activity-and-white-thrombus-formation-in-the-microminipig
#15
Naoki Miura, Hiroaki Kawaguchi, Tomoka Nagasato, Tomonobu Yamada, Takashi Ito, Hiroyuki Izumi, Hisayo Shameshima, Noriaki Miyoshi, Akihide Tanimoto, Ikuro Maruyama
Swine are becoming increasingly attractive as animal models for clinical research and the recently developed Microminipig (MMPig) has emerged as a possible experimental animal model. In this study, we demonstrated age-dependent changes in hematological parameters and coagulation activity in healthy MMPigs (58 male and 67 females, aged 0-34 months), and investigated white thrombus formation (WTF) using an in vitro microchip flow-chamber system (four males and four females, aged 22-23 months). There was no clear sex or age-dependent differences in any hematological parameters...
May 2013: In Vivo
https://www.readbyqxmd.com/read/23394114/estimation-of-muscle-torque-in-various-combat-sports
#16
COMPARATIVE STUDY
Wioletta Pędzich, Andrzej Mastalerz, Jerzy Sadowski
The purpose of the research was to compare muscle torque of elite combat groups. Twelve taekwondo WTF athletes, twelve taekwondo ITF athletes and nine boxers participated in the study. Measurements of muscle torques were done under static conditions on a special stand which belonged to the Department of Biomechanics. The sum of muscle torque of lower right and left extremities of relative values was significantly higher for taekwondo WTF athletes than for boxers (16%, p < 0.001 for right and 10%, p < 0...
2012: Acta of Bioengineering and Biomechanics
https://www.readbyqxmd.com/read/22739004/protective-effect-of-polysaccharides-isolated-from-tremella-fuciformis-against-radiation-induced-damage-in-mice
#17
Wenqing Xu, Xiu Shen, Fujun Yang, Ying Han, Ruifeng Li, Dan Xue, Chengfeng Jiang
WTF-B, a type of water-soluble homogeneous polysaccharide, was isolated and purified from Tremella Fuciformis. To investigate the radioprotective effect of WTF-B, we employed a 30-day survival assay. Mice were treated with WTF-B once per day for three consecutive days before 8-Gy gamma irradiation. The treatment groups receiving 54 and 72 mg/kg body weight (b.w.) of WTF-B showed 50% survival post-irradiation. The hematological parameters of the peripheral blood indicated that WTF-B, when administered at doses of 72 mg/kg b...
2012: Journal of Radiation Research
https://www.readbyqxmd.com/read/22093997/enhancement-of-antimicrobial-activities-of-whole-and-sub-fractionated-white-tea-by-addition-of-copper-ii-sulphate-and-vitamin-c-against-staphylococcus-aureus-a-mechanistic-approach
#18
Andrew C Holloway, Simon W J Gould, Mark D Fielder, Declan P Naughton, Alison F Kelly
BACKGROUND: Enhancement of antimicrobial plant products e.g. pomegranate extract by copper (II) sulphate is known. Such combinations have applications in various settings, including the identification of novel compositions to study, treat and control infection. METHODS: A combination of white tea (WT) (made allowing 10 minutes infusion time at 100°C) was combined with 4.8 mM copper (II) sulphate and tested for antimicrobial effect on the viability of Staphylococcus aureus NCTC 06571...
2011: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/21827607/a-novel-automated-microchip-flow-chamber-system-to-quantitatively-evaluate-thrombus-formation-and-antithrombotic-agents-under-blood-flow-conditions
#19
K Hosokawa, T Ohnishi, T Kondo, M Fukasawa, T Koide, I Maruyama, K A Tanaka
BACKGROUND AND AIMS: In the present study, we describe a newly developed microchip-based analytical system to evaluate white thrombus formation (WTF). Efficacies of various antithrombotic agents were compared under different flow conditions. METHODS: Whole blood containing corn trypsin inhibitor was perfused over a microchip coated with collagen and tissue thromboplastin at the lower and higher shear rates of 240 and 600 s(-1) , and WTF process inside the microchip was quantified by monitoring a flow pressure...
October 2011: Journal of Thrombosis and Haemostasis: JTH
https://www.readbyqxmd.com/read/21584057/a-computed-tomographic-study-of-schizophrenia
#20
Siddharatha, N Lal, S C Tewari, P K Dalal, N Kohli, S Srivastava
Fifty schizophrenic patients fulfilling DSM-III-R criteria, and group matched normal healthy controls were selected for the study The case and control groups have been compared in terms of VBR, WSF and WTF. In the study schizophrenics have been divided into positive, negative and mixed subgroups on basis of SAPS and SANS, and these subgroups are compared with each other for VBR, WSF & WTF. Tomographic abnormalities were noted in schizophrenics, particularly with negative and mixed subtypes, when compared to controls...
April 1997: Indian Journal of Psychiatry
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