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https://www.readbyqxmd.com/read/28550708/rapid-sealing-of-porcine-renal-blood-vessels-ex-vivo-using-a-high-power-1470-nm-laser-and-laparoscopic-prototype
#1
Luke A Hardy, Thomas C Hutchens, Eric R Larson, David A Gonzalez, Chun-Hung Chang, William H Nau, Nathaniel M Fried
No abstract text is available yet for this article.
May 1, 2017: Journal of Biomedical Optics
https://www.readbyqxmd.com/read/28522914/one-year-experience-with-computer-assisted-propofol-sedation-for-colonoscopy
#2
Otto S Lin, Danielle La Selva, Richard A Kozarek, Deborah Tombs, Wade Weigel, Ryan Beecher, Johannes Koch, Susan McCormick, Michael Chiorean, Fred Drennan, Michael Gluck, Nanda Venu, Michael Larsen, Andrew Ross
AIM: To report our one-year experience with computer assisted propofol sedation (CAPS) for colonoscopy as the first United States Medical Center to adopt CAPS technology for routine clinical use. METHODS: Between September 2014 and August 2015, 2677 patients underwent elective outpatient colonoscopy with CAPS at our center. All colonoscopies were performed by 1 of 17 gastroenterologists certified in the use of the CAPS system, with the assistance of a specially trained nurse...
April 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28503246/particle-concentrating-and-sorting-under-a-rotating-electric-field-by-direct-optical-liquid-heating-in-a-microfluidics-chip
#3
Yu-Liang Chen, Hong-Ren Jiang
We demonstrate a functional rotating electrothermal technique for rapidly concentrating and sorting a large number of particles on a microchip by the combination of particle dielectrophoresis (DEP) and inward rotating electrothermal (RET) flows. Different kinds of particles can be attracted (positive DEP) to or repelled (negative DEP) from electrode edges, and then the n-DEP responsive particles are further concentrated in the heated region by RET flows. The RET flows arise from the spatial inhomogeneous electric properties of fluid caused by direct infrared laser (1470 nm) heating of solution in a rotating electric field...
May 2017: Biomicrofluidics
https://www.readbyqxmd.com/read/28475156/sustainable-methods-for-decontamination-of-microcystin-in-water-using-cold-plasma-and-uv-with-reusable-tio%C3%A2-nanoparticle-coating
#4
Xuewen Jiang, Seungjun Lee, Chulkyoon Mok, Jiyoung Lee
Microcystins (MCs) are a family of cyanotoxins and pose detrimental effects on human, animal, and ecological health. Conventional water treatment processes have limited success in removing MCs without producing harmful byproducts. Therefore, there is an urgent need for cost-effective and environmentally-friendly methods for treating MCs. The objective of this study was to develop sustainable and non-chemical-based methods for controlling MCs, such as using cold plasma and ultra violet (UV) light with titanium dioxide (TiO₂) coating, which can be applied for diverse scale and settings...
May 5, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28466194/the-role-of-laser-power-and-pullback-velocity-in-the-endovenous-laser-ablation-efficacy-an-experimental-study
#5
N Yu Ignatieva, O L Zakharkina, C V Masayshvili, S V Maximov, V N Bagratashvili, V V Lunin
Endovenous laser ablation is an effective and minimally invasive alternative to surgical removal of incompetent veins. However, many controversies concerning optimal laser parameters usage in this procedure still remain. The purpose of this experimental study was to assess the adequate parameters required for vein wall destruction and to evaluate the role of fiber pullback velocity on vessel wall degradation. Varicose vein segments were treated with 1470-nm diode laser 3 to 9.5 W in power. The fiber moved through the vein at a velocity of 0...
May 2, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28461831/refractive-and-visual-outcome-after-laser-treated-retinopathy-of-prematurity-in-western-romania
#6
Stoica Florina, Ladariu Corina, Koos Marie-Jeanne, Stanciu Alina, Olariu Gabriela, Andreescu Nicoleta, Puiu Maria
OBJECTIVES: The aim of this study is to assess the functional outcomes registered in patients from the Western part of Romania, who have been treated for retinopathy of prematurity, using a laser diode (810mn). MATERIALS AND METHODS: In the current study 52 premature infants with gestational age<34 weeks and a birth weight <2000 grams, 96 eyes in total were included. The functional outcomes were assessed by determining the best corrected visual acuity and refractive error...
June 2016: Mædica
https://www.readbyqxmd.com/read/28436724/circulating-proprotein-convertase-subtilisin-kexin-type-9-all-cause-mortality-and-cardiovascular-mortality-the-ludwigshafen-risk-and-cardiovascular-health-study
#7
Günther Silbernagel, Hubert Scharnagl, Marcus E Kleber, Tatjana Stojakovic, Winfried März
Background It is unclear whether proprotein convertase subtilisin-kexin type 9 (PCSK9) concentrations may be useful for cardiovascular risk stratification. Design The LUdwigshafen RIsk and Cardiovascular health (LURIC) study is a prospective observational registry of patients who were referred for coronary angiography. Methods Circulating PCSK9 was measured in 2139 participants of the LURIC study. There was a follow-up for all-cause and cardiovascular mortality with a median (interquartile range) duration of 10...
January 1, 2017: European Journal of Preventive Cardiology
https://www.readbyqxmd.com/read/28383890/catalytic-synthesis-of-super-linear-alkenyl-arenes-using-an-easily-prepared-rh-i-catalyst
#8
Michael S Webster-Gardiner, Junqi Chen, Benjamin A Vaughan, Bradley A McKeown, William Schinski, T Brent Gunnoe
Linear alkyl benzenes (LAB) are global chemicals that are produced by acid-catalyzed reactions that involve the formation of carbocationic intermediates. One outcome of the acid-based catalysis is that 1-phenylalkanes cannot be produced. Herein, it is reported that [Rh(μ-OAc)(η(2)-C2H4)2]2 catalyzes production of 1-phenyl substituted alkene products via oxidative arene vinylation. Since C═C bonds can be used for many chemical transformations, the formation of unsaturated products provides a potential advantage over current processes that produce saturated alkyl arenes...
April 6, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28365937/prognostic-value-of-cyclin-e-expression-in-patients-with-ovarian-cancer-a-meta-analysis
#9
Xi Wang, XiaoRong Qi, Xiu Ming, Lin Wang, Yu Wang, Xia Zhao
PURPOSE: Cell cycle is mainly mediated by cyclins, cyclin- dependent kinases (CDK), and CDK inhibitors. Cyclin E is the main regulator for transition from G1 to S phase, and is involved in cancer pathogenesis, progression and metastasis. Nevertheless, there is still a controversy of the prognostic value of cyclin E overexpression in ovarian cancer patients. This meta-analysis is the first study aimed at analyzing the effect of cyclin E overexpression on the prognosis of ovarian cancer...
January 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28358936/association-of-radiotherapy-boost-for-ductal-carcinoma-in-situ-with-local-control-after-whole-breast-radiotherapy
#10
Meena S Moran, Yinjun Zhao, Shuangge Ma, Youlia Kirova, Alain Fourquet, Peter Chen, Karen Hoffman, Kelly Hunt, Julia Wong, Lia M Halasz, Gary Freedman, Robert Prosnitz, Michael Yassa, David H A Nguyen, Tarek Hijal, Bruce G Haffty, Elaine S Wai, Pauline T Truong
Importance: The use of a radiotherapy (RT) boost to the tumor bed after whole-breast RT (WBRT) for ductal carcinoma in situ (DCIS) is largely extrapolated from invasive cancer data, but robust evidence specific to DCIS is lacking. Objective: To compare ipsilateral breast tumor recurrence (IBTR) in women with DCIS treated with vs without the RT boost after breast-conserving surgery and WBRT. Design, Setting, and Participants: This retrospective analysis pooled deidentified patient-level data from 10 academic institutions in the United States, Canada, and France from January 1, 1980, through December 31, 2010...
March 30, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28353121/temperature-monitored-optical-treatment-for-radial-tissue-expansion
#11
Jinoh Bak, Hyun Wook Kang
Esophageal stricture occurs in 7-23% of patients with gastroesophageal reflux disease. However, the current treatments including stent therapy, balloon dilation, and bougienage involve limitations such as stent migration, formation of the new strictures, and snowplow effect. The purpose of the current study was to investigate the feasibility of structural expansion in tubular tissue ex vivo during temperature-monitored photothermal treatment with a diffusing applicator for esophageal stricture. Porcine liver was used as an ex vivo tissue sample for the current study...
March 29, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28350046/-corrigendum-promoter-methylation-of-rassf1a-modulates-the-effect-of-the-microtubule-targeting-agent-docetaxel-in-breast-cancer
#12
Eun Young Gil, Uk Hyun Jo, Hoiseon Jeong, Young Mi Whang, Ok Hee Woo, Kyu Ran Cho, Jae Hong Seo, Aeree Kim, Eun Sook Lee, Insong Koh, Yeul Hong Kim, Kyong Hwa Park
Following the publication of this article, an interested reader drew to our attention that there were possible anomalies in the presentation of Fig. 5B in the above article. After having examined the figure, we recognized that several errors had indeed occurred during the process of compiling the figure. A corrected version of Fig. 5 is shown below, containing new data for Fig. 5B, after our having re-performed the western blot experiment according to the identical procedure detailed in the paper. We obtained broadly similar results to those featured originally in the article; therefore, the revision of this figure does not affect the conclusions reported in the study...
March 7, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28349169/multispectroscopic-methodology-to-study-libyan-desert-glass-and-its-formation-conditions
#13
Leticia Gomez-Nubla, Julene Aramendia, Silvia Fdez-Ortiz de Vallejuelo, Ainhoa Alonso-Olazabal, Kepa Castro, Maria Cruz Zuluaga, Luis Ángel Ortega, Xabier Murelaga, Juan Manuel Madariaga
Libyan desert glass (LDG) is a melt product whose origin is still a matter of controversy. With the purpose of adding new information about this enigma, the present paper analyzes the inner part of LDG specimens and compares them with the results of LDG surfaces. An integrated analytical methodology was used combining different techniques such as Raman spectroscopy, in point-by-point and imaging modes, scanning electron microscopy with X-ray microanalysis (SEM-EDS), energy-dispersive micro X-ray fluorescence spectrometry (μ-EDXRF), electron probe micro analyzer (EPMA), and optical cathodoluminescence (Optical-CL)...
March 27, 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28317556/skull-5-from-dmanisi-descriptive-anatomy-comparative-studies-and-evolutionary-significance
#14
G Philip Rightmire, Marcia S Ponce de León, David Lordkipanidze, Ann Margvelashvili, Christoph P E Zollikofer
A fifth hominin skull (cranium D4500 and mandible D2600) from Dmanisi is massively constructed, with a large face and a very small brain. Traits documented for the first time in a basal member of the Homo clade include the uniquely low ratio of endocranial volume to basicranial width, reduced vertex height, angular vault profile, smooth nasal sill coupled with a long and sloping maxillary clivus, elongated palate, and tall mandibular corpus. The convex clivus and receding symphysis of skull 5 produce a muzzle-like form similar to that of Australopithecus afarensis...
March 2017: Journal of Human Evolution
https://www.readbyqxmd.com/read/28299832/secular-and-longitudinal-physical-activity-changes-in-population-based-samples-of-children-and-adolescents
#15
Knut Eirik Dalene, Sigmund A Anderssen, Lars Bo Andersen, Jostein Steene-Johannessen, Ulf Ekelund, Bjørge H Hansen, Elin Kolle
PURPOSE: 1) To investigate if physical activity (PA) and sedentary time (ST) in 9- and 15-year-olds differed between 2005-06 and 2011-12 (secular change) and: 2) to investigate changes in PA and ST from age 9 to 15 (longitudinal change). METHODS: In 2005-06, we invited nationally representative samples of Norwegian 9- (n=1470) and 15-year-olds (n=1348) to participate. In 2011-12, we invited a new nationally representative sample of 9-year-olds (n=1945), whereas 15-year-olds (n=1759) were invited to participate either based on previous participation in 2005-06 or from a random sample of schools...
March 16, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28274930/nitric-oxide-reduces-paracellular-resistance-in-rat-thick-ascending-limbs-by-increasing-na-and-cl-permeabilities
#16
Casandra Margarita Monzon, Rossana Occhipinti, Omar Pedro Pignataro, Jeffrey L Garvin
About 50% of the Na+ reabsorbed in thick ascending limbs traverses the paracellular pathway. Nitric oxide (NO) reduces the permselectivity of this pathway via cGMP, but its effects on absolute Na(+) (PNa(+)) and Cl(-) (PCl(-)) permeabilities are unknown. To address this, we measured the effect L-arginine (0.5mmol/L; NO synthase substrate) and cGMP (0.5mmol/L) on PNa(+) and PCl(-) calculated from transepithelial resistance (Rt) and PNa(+)/PCl(-) Rt was 7722±1554 ohm-cm in the control period and 6318±1757 ohm-cm after L-arginine treatment (p<0...
March 8, 2017: American Journal of Physiology. Renal Physiology
https://www.readbyqxmd.com/read/28267226/analyzing-symptom-data-in-indoor-air-questionnaires-for-primary-schools
#17
Sari Ung-Lanki, Jussi Lampi, Juha Pekkanen
Questionnaires on symptoms and perceived quality of indoor environment are used to assess indoor environment problems, but mainly among adults. The aim of this article is to explore best ways to analyze and report such symptom data, as part of a project to develop a parent-administered indoor air questionnaire for primary school pupils. Indoor air questionnaire with 25 questions on child's symptoms in the last 4 weeks was sent to parents in 5 primary schools with indoor air problems and in 5 control schools...
March 7, 2017: Indoor Air
https://www.readbyqxmd.com/read/28258659/genome-wide-survey-of-nuclear-protein-coding-markers-for-beetle-phylogenetics-and-their-application-in-resolving-both-deep-and-shallow-level-divergences
#18
Li-Heng Che, Shao-Qian Zhang, Yun Li, Dan Liang, Hong Pang, Adam Ślipiński, Peng Zhang
Beetles (Coleoptera) are the most diverse and species-rich insect group, representing an impressive explosive radiation in the evolutionary history of insects, and their evolutionary relationships are often difficult to resolve. The amount of "traditional markers" (e.g., mitochondrial genes and nuclear rDNAs) for beetle phylogenetics is small and these markers often lack sufficient signals in resolving relationships for such a rapidly radiating lineage. Here, based on the available genome data of beetles and other related insect species, we performed a genome-wide survey to search nuclear protein-coding (NPC) genes suitable for research on beetle phylogenetics...
March 3, 2017: Molecular Ecology Resources
https://www.readbyqxmd.com/read/28254720/organic-contaminants-and-heavy-metals-in-indoor-dust-from-e-waste-recycling-rural-and-urban-areas-in-south-china-spatial-characteristics-and-implications-for-human-exposure
#19
Chun-Tao He, Xiao-Bo Zheng, Xiao Yan, Jing Zheng, Mei-Huan Wang, Xiao Tan, Lin Qiao, She-Jun Chen, Zhong-Yi Yang, Bi-Xian Mai
The concentrations of several organic contaminants (OCs) and heavy metals were measured in indoor dust from e-waste recycling, rural, and urban areas in South China to illustrate the spatial characteristics of these pollutants and to further evaluate human exposure risks. The median concentrations of polychlorinated biphenyls (PCBs), polybrominated diphenyl ethers (PBDEs), decabromodiphenyl ethane (DBDPE), and dechlorane plus (DPs) were 38.6-3560, 2360-30,100, 665-2720, and 19.5-1860ng/g, while the median concentrations of Cd, Pb, Cu, Cr, and Zn were 2...
June 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28251619/narcolepsy-patients-blood-based-mirna-expression-profiling-mirna-expression-differences%C3%A2-with-pandemrix-vaccination
#20
N Mosakhani, V Sarhadi, P Panula, M Partinen, S Knuutila
OBJECTIVES: Narcolepsy is a neurological sleep disorder characterized by excessive daytime sleepiness and nighttime sleep disturbance. Among children and adolescents vaccinated with Pandemrix vaccine in Finland and Sweden, the number of narcolepsy cases increased. Our aim was to identify miRNAs involved in narcolepsy and their association with Pandemrix vaccination. MATERIALS AND METHODS: We performed global miRNA proofing by miRNA microarrays followed by RT-PCR verification on 20 narcolepsy patients (Pandemrix-associated and Pandemrix-non-associated) and 17 controls (vaccinated and non-vaccinated)...
March 1, 2017: Acta Neurologica Scandinavica
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