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https://www.readbyqxmd.com/read/28743137/-surgical-methods-in-the-treatment-of-uveal-melanoma
#1
Georgios Blatsios, Gertrud Haas, Claus Zehetner, Nikolaos E Bechrakis
Significant advancements have been made in the last decades in the treatment of uveal melanoma. Radiation therapy can achieve, depending on the method, local tumour control in up to 98% of cases. Surgical modalities have been implemented in the ocular therapy for uveal melanoma either to treat/prevent radiation complications, such as so-called toxic tumour syndrome, or to primarily treat the tumour with or without adjunctive radiotherapy. These include endoresection and transscleral resection for melanomas of the choroid/ciliary body or irido-trabeculo-cyclectomy for melanomas of the iris-ciliary body...
July 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28743052/giving-birth-on-our-own-terms-women-s-experience-of-childbirth-at-home
#2
Maija-Riitta Jouhki, Tarja Suominen, Päivi Åstedt-Kurki
BACKGROUND: home births are quite rare and are not supported as part of mainstream health care services in most European countries. Women who choose home as the place of birth often do so because maternity services in hospitals do not offer the options that they want. The aim of the present study is to describe women's experiences of giving birth at home and to produce a comprehensive structure of meaning regarding giving birth at home. DESIGN: a phenomenological study based on analysis of open-interview transcripts using Colaizzi's approach...
July 16, 2017: Midwifery
https://www.readbyqxmd.com/read/28743040/prenatal-exposure-to-organophosphorus-pesticides-and-childhood-neurodevelopmental-phenotypes
#3
Melissa A Furlong, Amy Herring, Jessie P Buckley, Barbara D Goldman, Julie L Daniels, Lawrence S Engel, Mary S Wolff, Jia Chen, Jim Wetmur, Dana Boyd Barr, Stephanie M Engel
Prenatal exposure to organophosphorus pesticides (OPs) has been associated with different neurodevelopmental outcomes across different cohorts. A phenotypic approach may address some of these differences by incorporating information across scales and accounting for the complex correlational structure of neurodevelopmental outcomes. Additionally, Bayesian hierarchical modeling can account for confounding by collinear co-exposures. We use this framework to examine associations between prenatal exposure to OPs and behavior, executive functioning, and IQ assessed at age 6-9 years in a cohort of 404 mother/infant pairs recruited during pregnancy...
July 22, 2017: Environmental Research
https://www.readbyqxmd.com/read/28742954/carbon-dioxide-elimination-by-cardiomyocytes-a-tale-of-high-carbonic-anhydrase-activity-and-membrane-permeability
#4
EDITORIAL
Erik R Swenson
Life as a multicellular organism requires a heart with a coordinated contractile activity that must never cease, and in this regard, it is very much like the brain with a high mass-specific 'resting' metabolic rate. To maintain this constant activity requires a high rate of oxygen consumption and resultant carbon dioxide generation and, pari passu, the rapid exchange of large amounts of these gases with capillary blood. While oxygen has been far more the focus of the two gases in cardiac physiology, the work of Arias-Hidalgo et al (1) in this issue of the journal offers new insights and better understanding of how CO2 uniquely traverses its path from production in the mitochondria to the capillary blood, and does so with much smaller driving gradients than necessary for oxygen...
July 25, 2017: Acta Physiologica
https://www.readbyqxmd.com/read/28742952/na%C3%A3-ve-simplicity-the-overlooked-piece-of-the-complexity-simplicity-paradigm
#5
Franklin W Schwartz, Ganming Liu, Pradeep Aggarwal, Cynthia M Schwartz
Concepts of simplicity and complexity in modeling have been explored in papers, editorials, and talks. The concept is not well understood because there are at least two flavors of simplicity. Modelers envision simplicity (i.e., elegant simplicity) as the sought-after goal in modeling, but naïve simplicity, which is the focus of this paper, is commonly unrecognized and dangerous. The problem is that naïve or simple ideas are often mistaken for settled science and come with the prospect of being more wrong than right...
July 25, 2017: Ground Water
https://www.readbyqxmd.com/read/28742950/becoming-independent-political-participation-and-youth-transitions-in-the-scottish-referendum
#6
Maddie Breeze, Hugo Gorringe, Lynn Jamieson, Michael Rosie
Sociological debates on youth engagement with electoral politics play out against a backdrop of supposed 'decline' in civic participation (e.g. Putnam , Norris, ), in turn contextualized by theories of individualization in 'late' or 'reflexive' modernity (Beck, Giddens). However, the enfranchisement of 16 and 17 year olds in the 2014 Scottish Independence Referendum catalysed remarkably high levels of voter turnout among this youngest group, and was accompanied by apparently ongoing political engagement. We explored this engagement among a strategic sample of young 'Yes' voters, in the immediate aftermath of this exceptional political event...
July 25, 2017: British Journal of Sociology
https://www.readbyqxmd.com/read/28742843/sequencing-of-the-complete-mitochondrial-genomes-of-eight-freshwater-snail-species-exposes-pervasive-paraphyly-within-the-viviparidae-family-caenogastropoda
#7
Ju-Guang Wang, Dong Zhang, Ivan Jakovlić, Wei-Min Wang
Phylogenetic relationships among snails (Caenogastropoda) are still unresolved, and many taxonomic categories remain non-monophyletic. Paraphyly has been reported within a large family of freshwater snails, Viviparidae, where the taxonomic status of several species remains questionable. As many endemic Chinese viviparid species have become endangered during the last few decades, this presents a major obstacle for conservation efforts. Mitochondrial genomes (mitogenomes) carry a large amount of data, so they can often provide a much higher resolution for phylogenetic analyses in comparison to the traditionally used molecular markers...
2017: PloS One
https://www.readbyqxmd.com/read/28742832/the-relationship-between-movement-speed-and-duration-during-soccer-matches
#8
Kai Roecker, Hubert Mahler, Christian Heyde, Mareike Röll, Albert Gollhofer
The relationship between the time duration of movement (t(dur)) and related maximum possible power output has been studied and modeled under many conditions. Inspired by the so-called power profiles known for discontinuous endurance sports like cycling, and the critical power concept of Monod and Scherrer, the aim of this study was to evaluate the numerical characteristics of the function between maximum horizontal movement velocity (HSpeed) and t(dur) in soccer. To evaluate this relationship, GPS data from 38 healthy soccer players and 82 game participations (≥30 min active playtime) were used to select maximum HSpeed for 21 distinct t(dur) values (between 0...
2017: PloS One
https://www.readbyqxmd.com/read/28742732/educational-colonoscopy-video-enhances-bowel-preparation-quality-and-comprehension-in-an-inner-city-population
#9
Ajish Pillai, Radha Menon, David Oustecky, Asyia Ahmad
BACKGROUND: Quality of bowel preparation and patient knowledge remains a major barrier for completing colorectal cancer screening. Few studies have tested unique ways to impact patient understanding centering on interactive computer programs, pictures, and brochures. Two studies explored instructional videos but focused on patient compliance and anxiety as endpoints. Furthermore, excessive video length and content may limit their impact on a broad patient population. No study so far has studied a video's impact on preparation quality and patient understanding of the colonoscopy procedure...
July 24, 2017: Journal of Clinical Gastroenterology
https://www.readbyqxmd.com/read/28742491/the-canary-in-the-coalmine-bee-declines-as-an-indicator-of-environmental-health
#10
Dave Goulson, Elizabeth Nicholls
Bee declines have received much attention of late, but there is considerable debate and confusion as to the extent, significance and causes of declines. In part, this reflects conflation of data for domestic honeybees, numbers of which are largely driven by economic factors, with those for wild bees, many of which have undergone marked range contractions but for the majority of which we have no good data on population size. There is no doubt that bees are subject to numerous pressures in the modern world. The abundance and diversity of flowers has declined along with availability of suitable nest sites, bees are chronically exposed to cocktails of agrochemicals, and they are simultaneously exposed to novel parasites and pathogens accidentally spread by humans...
September 1, 2016: Science Progress
https://www.readbyqxmd.com/read/28742481/the-interplay-between-dna-topology-and-accessory-factors-in-site-specific-recombination-in-bacteria-and-their-bacteriophages
#11
Charles J Dorman, Marina M Bogue
Site-specific recombination is employed widely in bacteria and bacteriophage as a basis for genetic switching events that control phenotypic variation. It plays a vital role in the life cycles of phages and in the replication cycles of chromosomes and plasmids in bacteria. Site-specific recombinases drive these processes using very short segments of identical (or nearly identical) DNA sequences. In some cases, the efficiencies of the recombination reactions are modulated by the topological state of the participating DNA sequences and by the availability of accessory proteins that shape the DNA...
December 1, 2016: Science Progress
https://www.readbyqxmd.com/read/28742479/understanding-and-combating-resistance-to-online-learning
#12
John Vivolo
Resistance to change is an easy thing for human beings to understand. It is at the heart of our desire to find comfort with the familiar such as family, friends and our homes. We create homes that are designed a certain way and usually are slow to change. We make friends for years and keep those memories etched in stone, even though time and age create a romanticised version of the past. Change scares us so much that we reflect on our past, the old days, with such reverence that we paint over the ugly parts...
December 1, 2016: Science Progress
https://www.readbyqxmd.com/read/28742465/engaging-agribusinesses-feasibility-and-cost-of-an-atv-safety-poster-project
#13
Charles A Jennissen, Shane Sweat, Kristel Wetjen, Pam Hoogerwerf, Gerene M Denning
OBJECTIVES: All-terrain vehicle (ATV)-related deaths and injuries continue to be a significant problem. Influential change agents such as agribusinesses could be important partners for improving safety behaviors among rural ATV users. Our objective was to determine how effectively an injury prevention project could engage agribusinesses through the postal service and to assess their willingness to display a safety poster. METHODS: 1244 agribusinesses received an ATV safety poster and a postcard survey by mail...
July 25, 2017: Journal of Agromedicine
https://www.readbyqxmd.com/read/28742418/health-risk-behavior-among-justice-involved-male-and-female-youth-exploratory-multi-group-latent-class-analysis
#14
Richard Dembo, Jessica Faber, Jennifer Cristiano, Ralph J DiClemente, Julie M Krupa, Asha Terminello, Jennifer Wareham
BACKGROUND: Youth involved in the juvenile justice system experience a disproportionate prevalence of serious mental health issues, substance abuse, and are at an increased risk of engaging in risky sexual practices. Gender differences exist, with girls at a markedly greater risk of acquiring a sexually transmitted disease. OBJECTIVES: The present study seeks to determine if there are subgroups of male and female youth who differ in their health risk behavior. If so, do any male or female subgroups at different levels of health risk differ in regard to their sociodemographic and psychological factors, and finally, what are intervention/service delivery implications of these differences...
July 25, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28742376/hypervascular-transformation-of-hypovascular-hypointense-nodules-in-the-hepatobiliary-phase-of-gadoxetic-acid-enhanced-mri-a-systematic-review-and-meta-analysis
#15
Chong Hyun Suh, Kyung Won Kim, Junhee Pyo, Jayoun Lee, So Yeon Kim, Seong Ho Park
OBJECTIVE: The purpose of this study is to evaluate the outcomes of hypovascular hypointense nodules in the hepatobiliary phase of gadoxetic acid-enhanced MRI and the risk factors for the hypervascular transformation of the nodules through a systematic review and meta-analysis. MATERIALS AND METHODS: We searched the Ovid-MEDLINE and EMBASE databases for published studies of hypovascular hypointense nodules in patients with chronic liver disease. The pooled proportions of the overall and cumulative incidence rates at 1, 2, and 3 years for the transformation of hypovascular hypointense nodules into hypervascular hepatocellular carcinomas (HCCs) were assessed by using random-effects modeling...
July 25, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28742365/divergent-synthesis-of-polycyclic-indolines-copper-catalyzed-cascade-reactions-of-propargylic-carbamates-and-indoles
#16
Tian-Ren Li, Liang-Qiu Lu, Ya-Ni Wang, Bao-Cheng Wang, Wen-Jing Xiao
Polycyclic indolines are the common and core structural motif of many indole alkaloids that usually exhibit biological activities. Here, we describe two copper-catalyzed cascade reactions between propargylic carbamates and indoles. By doing so, one-step and divergent synthesis of structurally distinct polycyclic indolines, quinoline-fused indolines, C(3a)-indolyl furoindolines, and pyrroloindolines was achieved in high synthetic efficiency and selectivity.
July 25, 2017: Organic Letters
https://www.readbyqxmd.com/read/28742336/quantum-chemically-estimated-abraham-solute-parameters-using-multiple-solvent-water-partition-coefficients-and-molecular-polarizability
#17
Yuzhen Liang, Ruichang Xiong, Stanley I Sandler, Dominic M Di Toro
Polyparameter Linear Free Energy Relationships (pp-LFERs), also called Linear Solvation Energy Relationships (LSERs), are used to predict many environmentally significant properties of chemicals. A method is presented for computing the necessary chemical parameters, the Abraham parameters (AP), used by many pp-LFERs. It employs quantum chemical calculations and uses only the chemical's molecular structure. The method computes the Abraham E parameter using density functional theory computed molecular polarizability and the Clausius-Mossotti equation relating the index refraction to the molecular polarizability, estimates the Abraham V as the COSMO calculated molecular volume, and computes the remaining AP S, A, and B jointly with a multiple linear regression using sixty-five solvent-water partition coefficients computed using the quantum mechanical COSMO-SAC solvation model...
July 25, 2017: Environmental Science & Technology
https://www.readbyqxmd.com/read/28742316/monodisperse-dual-plasmonic-au-cu2-xe-e-s-se-core-shell-supraparticles-aqueous-fabrication-multimodal-imaging-and-tumor-therapy-at-in-vivo-level
#18
Hui Zhu, Yong Wang, Chao Chen, Mingrou Ma, Jianfeng Zeng, Shuzhou Li, Yunsheng Xia, Mingyuan Gao
We herein report aqueous fabrication of well-defined Au@Cu2-xE (E = S, Se) core@shell dual plasmonic supraparticles (SPs) for multimodal imaging and tumor therapy at in vivo level. By means of a modified self-limiting self-assembly based strategy, monodisperse core@shell dual plasmonic SPs, including spherical Au@Cu2-xS SPs, Au@Cu2-xSe SPs, and rod-like Au@Cu2-xS SPs, are reliably and eco-friendly fabricated in aqueous solution. Due to plasmonic coupling from the core and shell materials, the as-prepared hybrid products possess extremely large extinction coefficient (9...
July 25, 2017: ACS Nano
https://www.readbyqxmd.com/read/28742309/knowledge-of-rare-diseases-among-health-care-students-%C3%A2-the-effect-of-targeted-education
#19
Kamil Jonas, Marcin Waligóra, Mateusz Hołda, Joanna Sulicka-Grodzicka, Magdalena Strach, Piotr Podolec, Grzegorz Kopeć
BACKGROUND: Poor knowledge on rare diseases (RD) results in a significant delay in their diagnosis and treatment. So far there are no standards of university education in RD. We assessed knowledge on RD among healthcare students and the effectiveness of targeted education. METHODS: We conducted an internet-based survey among students of the faculty of medicine, pharmacy and health sciences. Questions regarded personal information, definition and epidemic data on RD...
2017: Przegla̧d Epidemiologiczny
https://www.readbyqxmd.com/read/28742305/pediatric-heat-related-illness-recommendations-for-prevention-and-management
#20
Roberta J. Dunn, Tommy Y. Kim
Infants, children, and adolescents are at increased risk for heat-related illness due to their inability to remove themselves from dangerous environments. Evidence shows that morbidity and mortality from heat illness is related to the length of time core temperature is elevated, so rapid reduction and accurate serial measurements are crucial to prevention of organ system damage and death. The primary methods of patient cooling are conduction (ice-water immersion, cold packs) and convection (moisture and moving air)...
August 2017: Pediatric Emergency Medicine Practice
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