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https://www.readbyqxmd.com/read/28063118/environmental-monitoring-by-surface-sampling-for-cytotoxics-a-review
#1
Petit Marie, Curti Christophe, Roche Manon, Montana Marc, Bornet Charleric, Vanelle Patrice
Environmental monitoring is usually conducted by surface sampling to detect and quantify the presence of cytotoxic drugs after their reconstitution and administration. This technique reveals the origins of residual contamination and is an important component in order to protect healthcare workers from the potential risk of occupational exposure. The aim of this work is to compare various techniques and results of surface sampling for cytotoxics. For each technique, sample processing methods and their analysis were compared from literature data...
January 2017: Environmental Monitoring and Assessment
https://www.readbyqxmd.com/read/28025587/panel-conditioning-in-the-general-social-survey
#2
Andrew Halpern-Manners, John Robert Warren, Florencia Torche
Does participation in one wave of a survey have an effect on respondents' answers to questions in subsequent waves? In this article, we investigate the presence and magnitude of "panel conditioning" effects in one of the most frequently used data sets in the social sciences: the General Social Survey (GSS). Using longitudinal records from the 2006, 2008, and 2010 surveys, we find evidence that at least some GSS items suffer from this form of bias. To rule out the possibility of contamination due to selective attrition and/or unobserved heterogeneity, we strategically exploit a series of between-person comparisons across time-in-survey groups...
January 2017: Sociological Methods & Research
https://www.readbyqxmd.com/read/28002851/prenatal-ultrasonographic-diagnosis-of-cataract-in-utero-manifestations-of-cryptic-disease
#3
Eran Ashwal, Asaf Achiron, Yinon Gilboa, Michal Berkenstadt, Mordecai Rosner, Reuven Achiron
Purpose To report and review our experience with antenatal evaluation for fetuses diagnosed with congenital cataract. Materials and Methods We retrospectively identified pregnancies diagnosed with fetal cataract during antenatal ultrasound. Evaluation of fetal eyes included intraocular anatomy and biometry. Data on fetal malformations, serology and fetal karyotype were collected. Results 8 cases, identified over the course of 10 years, were reviewed. Week 15 was the mean time for diagnosis (range 11 - 34)...
December 21, 2016: Ultraschall in der Medizin
https://www.readbyqxmd.com/read/27941582/accepting-the-torch
#4
Ronnie Fass
No abstract text is available yet for this article.
January 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/27931021/a-retrospective-analysis-of-neonatal-encephalocele-predisposing-factors-and-outcomes
#5
Seyho Cem Yucetas, Necati Uçler
OBJECTIVE: This study evaluates the predisposing factors and outcomes of surgical management of encephaloceles at our institution. MATERIALS AND METHODS: A retrospective analysis of 32 occipital encephaloceles managed operatively at the Neurosurgery Department Clinics of the Faculty of Medicine, Adıyaman University, was performed between 2011 and 2015. RESULTS: Among the study population, 19 mothers had been exposed to TORCH infections (toxoplasma, rubella, cytomegalovirus, herpes simplex virus), 18 were in consanguineous marriages, and 3 had regular prenatal screening...
December 9, 2016: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/27927286/effect-of-casting-atmosphere-on-the-marginal-deficiency-and-misfit-of-ni-cr-alloys-with-and-without-beryllium
#6
Leandro J da Silva, Monica B Leal, Mariana L C Valente, Denise T de Castro, Valéria O Pagnano, Andréa C Dos Reis, Osvaldo L Bezzon
STATEMENT OF PROBLEM: The marginal adaptation of prosthetic crowns is still a significant clinical problem. PURPOSE: The purpose of this in vitro study was to evaluate the marginal deficiency and misfit of Ni-Cr alloys with and without beryllium under different casting conditions. MATERIAL AND METHODS: Four casting conditions were selected: flame-torch, induction/argon, induction/vacuum, and induction/air; and 2 alloys were used, Ni-Cr-Be and Ni-Cr...
December 4, 2016: Journal of Prosthetic Dentistry
https://www.readbyqxmd.com/read/27877859/self-lubricating-low-friction-wear-resistant-al-based-quasicrystalline-coatings
#7
Bruno Alessandro Silva Guedes de Lima, Rodinei Medeiros Gomes, Severino Jackson Guedes de Lima, Diana Dragoe, Marie-Geneviève Barthes-Labrousse, Richard Kouitat-Njiwa, Jean-Marie Dubois
After gas atomization, a quasicrystalline powder based on aluminium was used to prepare a thick coating by high-velocity oxygen-fuel flame torch spraying. This layer was deposited on top of a bond-coat layer on a steel plate. A post-spraying annealing treatment turned the two layers to their stable state, a γ-brass crystal and an icosahedral quasicrystal, respectively. The projection parameters were selected in such a way that the coating behaved like a self-lubricating material, which offered very good wear resistance (duration of pin-on-disk tests superior to 5 km with negligible material loss) and low friction (µ ≤ 6% against sintered tungsten carbide), in contrast to the state of the art...
2016: Science and Technology of Advanced Materials
https://www.readbyqxmd.com/read/27874057/growth-mechanisms-of-inductively-coupled-plasma-torch-synthesized-silicon-nanowires-and-their-associated-photoluminescence-properties
#8
M Agati, G Amiard, V Le Borgne, P Castrucci, R Dolbec, M De Crescenzi, M A El Khakani, S Boninelli
Ultra-thin Silicon Nanowires (SiNWs) were produced by means of an industrial inductively-coupled plasma (ICP) based process. Two families of SiNWs have been identified, namely long SiNWs (up to 2-3 micron in length) and shorter ones (~100 nm). SiNWs were found to consist of a Si core (with diameter as thin as 2 nm) and a silica shell, of which the thickness varies from 5 to 20 nm. By combining advanced transmission electron microscopy (TEM) techniques, we demonstrate that the growth of the long SiNWs occurred via the Oxide Assisted Growth (OAG) mechanism, while the Vapor Liquid Solid (VLS) mechanism is responsible for the growth of shorter ones...
November 22, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27858275/energy-recovery-from-waste-glycerol-by-utilizing-thermal-water-vapor-plasma
#9
Andrius Tamošiūnas, Pranas Valatkevičius, Dovilė Gimžauskaitė, Mejdi Jeguirim, Vladas Mėčius, Mindaugas Aikas
Glycerol, considered as a waste feedstock resulting from biodiesel production, has received much attention in recent years due to its properties, which offer to recover energy. The aim of this study was to investigate the use of a thermal water vapor plasma for waste (crude) glycerol conversion to synthesis gas, or syngas (H2 + CO). In parallel of crude glycerol, a pure glycerol (99.5%) was used as a reference material in order to compare the concentrations of the formed product gas. A direct current (DC) arc plasma torch stabilized by a mixture of argon/water vapor was utilized for the effective glycerol conversion to hydrogen-rich synthesis gas...
November 17, 2016: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/27846190/passing-the-torch-thank-you-from-the-coeditors-in-chief
#10
Robert Burakoff, Richard P MacDermott
No abstract text is available yet for this article.
December 2016: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/27844397/compensation-or-reinforcement-the-stratification-of-parental-responses-to-children-s-early-ability
#11
Michael Grätz, Florencia Torche
Theory and empirical evidence suggest that parents allocate their investments unequally among their children, thus inducing within-family inequality. We investigate whether parents reinforce or compensate for initial ability differences between their children as well as whether these parental responses vary by family socioeconomic status (SES). Using the Early Childhood Longitudinal Study, Birth Cohort (ECLS-B) and a twin fixed-effects approach to address unobserved heterogeneity, we find that parental responses to early ability differences between their children do vary by family SES...
December 2016: Demography
https://www.readbyqxmd.com/read/27826149/accepting-the-torch
#12
EDITORIAL
Stephen Shalansky
No abstract text is available yet for this article.
September 2016: Canadian Journal of Hospital Pharmacy
https://www.readbyqxmd.com/read/27774886/the-clinico-hematological-features-and-management-outcome-in-neonatal-malaria-a-nine-years-analysis-from-north-india
#13
Kriti Mohan
BACKGROUND: Malaria is an important cause of death and illness in children worldwide. Most cases of neonatal malaria are misdiagnosed because of the lack of specific symptoms and a general lack of awareness. Nothing much is known in literature about the haematological changes during malaria infection and outcome of disease in neonates. Neonatal malaria is an underdiagnosed entity. So this hospital based observational study aims to assess diagnostic features of neonatal malaria. METHODS: From August 2004 to August 2013, information of all slide positive for malaria cases aged 0 to 28 days admitted to our pediatric hospital was collected and analysed...
October 20, 2016: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/27763793/the-origins-and-emergence-of-zika-virus-the-newest-torch-infection-what-s-old-is-new-again
#14
David A Schwartz
No abstract text is available yet for this article.
January 2017: Archives of Pathology & Laboratory Medicine
https://www.readbyqxmd.com/read/27744197/effective-degradation-of-organic-water-pollutants-by-atmospheric-non-thermal-plasma-torch-and-analysis-of-degradation-process
#15
Avinash S Bansode, Supriya E More, Ejaz Ahmad Siddiqui, Shruti Satpute, Absar Ahmad, Sudha V Bhoraskar, Vikas L Mathe
The paper reports the use of atmospheric non-thermal plasma torch as a catalyst for degradation of various organic pollutants dissolved in water. A flow of He mixed with air was used to produce the dielectric barrier discharge (DBD), at the tip of the torch, using pulsed electric excitation at 12 kV. The torch, operated at a power of 750 mW/mm(2), was seen to completely degrade the aqueous solutions of the pollutants namely methylene blue (MB), methyl orange (MO) and rhodamine-B (RB), at around 10(-4) M concentrations, the concentration of polluants is one order higher than of routinely used heterogeneous photocatalytic reactions, within 10 min of irradiation time at room temperature...
January 2017: Chemosphere
https://www.readbyqxmd.com/read/27681885/prevalence-and-associated-factors-of-vernal-keratoconjunctivitis-among-children-in-gondar-city-northwest-ethiopia
#16
Dereje Hayilu, Kbrom Legesse, Natinael Lakachew, Mulusew Asferaw
BACKGROUND: Vernal keratoconjunctivitis (VKC) is a common cause of ocular morbidity in children in warm dry climates such as Sub-Saharan Africa and accounts for about 3 % of serious ophthalmic cases in tropical countries. The purpose of this study was to assess the prevalence and associated factors of vernal keratoconjunctivitis among children living in Gondar City, Ethiopia. METHODS: A Cross Sectional Design study was carried out in 737 children under the age of 18 years in Gondar City from April to May 2015...
September 29, 2016: BMC Ophthalmology
https://www.readbyqxmd.com/read/27649173/a-precise-visual-method-for-narrow-butt-detection-in-specular-reflection-workpiece-welding
#17
Jinle Zeng, Baohua Chang, Dong Du, Yuxiang Hong, Shuhe Chang, Yirong Zou
During the complex path workpiece welding, it is important to keep the welding torch aligned with the groove center using a visual seam detection method, so that the deviation between the torch and the groove can be corrected automatically. However, when detecting the narrow butt of a specular reflection workpiece, the existing methods may fail because of the extremely small groove width and the poor imaging quality. This paper proposes a novel detection method to solve these issues. We design a uniform surface light source to get high signal-to-noise ratio images against the specular reflection effect, and a double-line laser light source is used to obtain the workpiece surface equation relative to the torch...
2016: Sensors
https://www.readbyqxmd.com/read/27638430/a-brief-report-on-the-history-of-phototherapy
#18
Andrzej Grzybowski, Jarosław Sak, Jakub Pawlikowski
From ancient times, light has played a significant role in the treatment of diseases. The modern discoveries (eg, ultraviolet radiation) and modern inventions (eg, the electric generator or the electric lightbulb), as well as balneologic experiences of the treatment with sunlight, contributed to the transition from heliotherapy to artificial light phototherapy at the end of the 19th century. Nils Ryberg Finsen (1860-1904) was the founder of modern phototherapy. He is famous for applying an electric carbon arc torch in treating patients with lupus vulgaris using ultraviolet radiation...
September 2016: Clinics in Dermatology
https://www.readbyqxmd.com/read/27627201/rapid-tracing-of-resistance-plasmids-in-a-nosocomial-outbreak-using-optical-dna-mapping
#19
Vilhelm Müller, Nahid Karami, Lena K Nyberg, Christoffer Pichler, Paola C Torche Pedreschi, Saair Quaderi, Joachim Fritzsche, Tobias Ambjörnsson, Christina Åhrén, Fredrik Westerlund
Resistance to life-saving antibiotics increases rapidly worldwide, and multiresistant bacteria have become a global threat to human health. Presently, the most serious threat is the increasing spread of Enterobacteriaceae carrying genes coding for extended spectrum β-lactamases (ESBL) and carbapenemases on highly mobile plasmids. We here demonstrate how optical DNA maps of single plasmids can be used as fingerprints to trace plasmids, for example, during resistance outbreaks. We use the assay to demonstrate a potential transmission route of an ESBL-carrying plasmid between bacterial strains/species and between patients, during a polyclonal outbreak at a neonatal ward at Sahlgrenska University Hospital (Gothenburg, Sweden)...
May 13, 2016: ACS Infectious Diseases
https://www.readbyqxmd.com/read/27609618/prenatal-evaluation-imaging-features-and-neurodevelopmental-outcome-of-prenatally-diagnosed-periventricular-pseudocysts
#20
S Cooper, O Bar-Yosef, M Berkenstadt, C Hoffmann, R Achiron, E Katorza
BACKGROUND AND PURPOSE: Periventricular pseudocysts are cystic cavities that lack the ependymal cell lining found in true cysts. The aim of this study was to characterize periventricular pseudocysts and related findings and their neurodevelopmental outcome. MATERIALS AND METHODS: This was a retrospective study of periventricular pseudocysts detected prenatally on fetal MR imaging in 26 fetuses. The fetuses were divided into group A (n = 8), which included cases with isolated periventricular pseudocysts, and group B (n = 18), which included cases of periventricular pseudocysts with additional findings...
December 2016: AJNR. American Journal of Neuroradiology
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