Read by QxMD icon Read


Marcella Kelly, Maura Dowling, Michelle Millar
BACKGROUND: Kuhn's ( 1962 ) acknowledgement of a paradigm as a way that scientists make sense of their world and its reality gave recognition to the idea of 'paradigm shift'. This shift exposes the transience of paradigm development shaped by societal and scientific evolution. This ongoing evolutionary development provides the researcher with many paradigms to consider regarding how research is undertaken and the search for understanding achieved. AIM: An understanding of paradigm development is necessary when planning a study and can shape the search for understanding...
March 16, 2018: Nurse Researcher
Michael B Wayson, Wesley E Bolch
Various computational tools are currently available that facilitate patient organ dosimetry in diagnostic nuclear medicine, yet they are typically restricted to reporting organ doses to ICRP-defined reference phantoms. The present study, while remaining computational phantom based, provides straightforward tools to adjust reference phantom organ dose for both internal photon and electron sources. A wide variety of monoenergetic specific absorbed fractions (SAFs) were computed using radiation transport simulations for tissue spheres of varying size and separation distance...
March 16, 2018: Physics in Medicine and Biology
Franka Metzner, Stephanie Pahlke, Alice Diesing, Nina Marin, Fionna Klasen, Silke Pawils, Michael Schulte-Markwort, Hertha Richter-Appelt
Complex Trauma-related Disorders in Research and Practice Frequent traumata in childhood and adolescence are long-term or repeated interpersonal traumata caused by perpetrators in the close environment of the minors. For the description of the extensive symptoms after interpersonal Type II traumata, the complex trauma-related disorders Complex Posttraumatic Stress Disorder (CPTSD) or Disorder of Extreme Stress Not Otherwise Specified (DESNOS) and the Developmental Trauma Disorder (DTD) are being discussed for inclusion in the classification systems for mental disorders...
March 2018: Praxis der Kinderpsychologie und Kinderpsychiatrie
Sergio Barroso Rosa, Zaid Bahho, Kenji Doma, Kaushik Hazratwala, Peter McEwen, Varaguna Manoharan, Brent Matthews, Matthew Wilkinson
INTRODUCTION: Patella alta (PA) is one of the primary correctable risk factors for patellofemoral instability (PFI). Both an accurate diagnosis of PA and a clinically relevant target for correction are necessary for optimal treatment. An ideal test for PA should relate the position of the patella to the femur rather than tibia, should do so with the quadriceps contracted and the patellar tendon under tension and should have good sensitivity and specificity. None of the currently used radiographic tests PA meet these criteria, most of which are based on the position of the patella relative to the tibia with diagnostic cutoffs based on 2 standard deviations from the mean rather than optimal sensitivity and specificity...
March 15, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
Daniel Stow, Fiona E Matthews, Stephen Barclay, Steve Iliffe, Andrew Clegg, Sarah De Biase, Louise Robinson, Barbara Hanratty
Background: recognising that a patient is nearing the end of life is essential, to enable professional carers to discuss prognosis and preferences for end of life care. Objective: investigate whether an electronic frailty index (eFI) generated from routinely collected data, can be used to predict mortality at an individual level. Design: historical prospective case control study. Setting: UK primary care electronic health records...
March 13, 2018: Age and Ageing
Yanqi Huang, Lan He, Di Dong, Caiyun Yang, Cuishan Liang, Xin Chen, Zelan Ma, Xiaomei Huang, Su Yao, Changhong Liang, Jie Tian, Zaiyi Liu
Objective: To develop and validate a radiomics prediction model for individualized prediction of perineural invasion (PNI) in colorectal cancer (CRC). Methods: After computed tomography (CT) radiomics features extraction, a radiomics signature was constructed in derivation cohort (346 CRC patients). A prediction model was developed to integrate the radiomics signature and clinical candidate predictors [age, sex, tumor location, and carcinoembryonic antigen (CEA) level]...
February 2018: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
Marnie J Meylor de Mooij, Rachael L Hodny, Daniel A O'Neil, Matthew R Gardner, Mekayla Beaver, Andrea T Brown, Barbara A Barry, Lorna M Ross, Amy J Jasik, Katharine M Nesbitt, Susan M Sobolewski, Susan M Skinner, Rajeev Chaudhry, Brian C Brost, Bobbie S Gostout, Roger W Harms
Using a human-centered design method, our team sought to envision a new model of care for women experiencing low-risk pregnancy. This model, called OB Nest, aimed to demedicalize the experience of pregnancy by providing a supportive and empowering experience that fits within patients' daily lives. To explore this topic, we invited women to use self-monitoring tools, a text-based smartphone application to communicate with their care team, and moderated online communities to connect with other pregnant women...
March 9, 2018: Mayo Clinic Proceedings
Stéphane Faucher, Samantha Soulé, Anne-Laure Bulteau, Joachim Allouche, Gaëtane Lespes
A method to determine total gold (Au) and/or silver (Ag) elemental concentrations from gold nanoparticles, Au-Ag nanoshells (NS) and silica coated Au-Ag nanoshells was developed, evaluated and validated. Samples were mineralized in a mixture of concentrated aqua regia and hydrofluoric acid at 65 °C for 4 h. Mineralized solutions were diluted and standard solutions were prepared in aqua regia 5%. ICP-MS analysis was performed with or without the use of a reaction cell (CRC). For the determination of elemental concentrations of nanopowders and test suspensions, the average recovery was 99 ± 2% and 101 ± 2% for gold and silver respectively...
May 2018: Journal of Trace Elements in Medicine and Biology
Oneida Espinosa-Álvarez, Paola A Ortiz, Luciana Lima, André G Costa-Martins, Myrna G Serrano, Stephane Herder, Gregory A Buck, Erney P Camargo, Patrick B Hamilton, Jamie R Stevens, Marta M G Teixeira
Trypanosoma rangeli and Trypanosoma cruzi are generalist trypanosomes sharing a wide range of mammalian hosts; they are transmitted by triatomine bugs, and are the only trypanosomes infecting humans in the Neotropics. Their origins, phylogenetic relationships, and emergence as human parasites have long been subjects of interest. In the present study, taxon-rich analyses (20 trypanosome species from bats and terrestrial mammals) using ssrRNA, glycosomal glyceraldehyde-3-phosphate dehydrogenase (gGAPDH), heat shock protein-70 (HSP70) and Spliced Leader (SL) RNA sequences, and multilocus phylogenetic analyses using 11 single copy genes from 15 selected trypanosomes, provide increased resolution of relationships between species and clades, strongly supporting two main sister lineages: lineage Schizotrypanum, comprising T...
March 12, 2018: International Journal for Parasitology
Meixiang Zhang, Justine Ngo, Filomena Pirozzi, Ying-Pu Sun, Anthony Wynshaw-Boris
BACKGROUND: Embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) have been widely used to generate cellular models harboring specific disease-related genotypes. Of particular importance are ESC and iPSC applications capable of producing dorsal telencephalic neural progenitor cells (NPCs) that are representative of the cerebral cortex and overcome the challenges of maintaining a homogeneous population of cortical progenitors over several passages in vitro. While previous studies were able to derive NPCs from pluripotent cell types, the fraction of dorsal NPCs in this population is small and decreases over several passages...
March 15, 2018: Stem Cell Research & Therapy
Abdulwahab A Alkhamis
BACKGROUND: Insufficient knowledge of health insurance benefits could be associated with lack of access to health care, particularly for minority populations. This study aims to assess the association between expatriates' knowledge of health insurance benefits and lack of access to health care. METHODS: A cross-sectional study design was conducted from March 2015 to February 2016 among 3398 insured male expatriates in Riyadh, Saudi Arabia. The dependent variable was binary and expresses access or lack of access to health care...
March 15, 2018: BMC Public Health
Sándor Kun, Éva Bokor, Ádám Sipos, Tibor Docsa, László Somsák
The aim of the present study was to broaden the structure-activity relationships of C - and N -β-d-glucopyranosyl azole type inhibitors of glycogen phosphorylase. 1-Aryl-4-β-d-gluco-pyranosyl-1,2,3-triazoles were prepared by copper catalyzed azide-alkyne cycloadditions between O -perbenzylated or O -peracetylated β-d-glucopyranosyl ethynes and aryl azides. 1-β-d-Gluco-pyranosyl-4-phenyl imidazole was obtained in a glycosylation of 4(5)-phenylimidazole with O -peracetylated α-d-glucopyranosyl bromide. C -β-d-Glucopyranosyl- N -substituted-tetrazoles were synthesized by alkylation/arylation of O -perbenzoylated 5-β-d-glucopyranosyl-tetrazole or from a 2,6-anhydroheptose tosylhydrazone and arenediazonium salts...
March 15, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Miguel A Marioni, Marcos Penedo, Mirko Baćani, Johannes Schwenk, Hans Josef Hug
Mallinson's idea that some spin textures in planar magnetic structures could produce an enhancement of the magnetic flux on one side of the plane at the expense of the other gave rise to permanent magnet configurations known as Halbach magnet arrays. Applications range from wiggler magnets in particle accelerators and free electron lasers, to motors, to magnetic levitation trains, but exploiting Halbach arrays in micro- or nanoscale spintronics devices requires solving the problem of fabrication and field metrology below 100 μm size...
March 15, 2018: Nano Letters
Papu Kumar Naik, Mood Mohan, Tamal Banerjee, Sandip Paul, Vaibhav V Goud
The present study aims at the extraction of polyaromatic hydrocarbon (PAH) from fuel oil using novel low cost deep eutectic solvent (DES). The DES is prepared by mixing the hydrogen bond acceptor (HBA; methyltriphenylphosphonium bromide [MTPB]) and hydrogen bond donor (HBD; ethylene glycol (EG)) at a molar ratio of 1:4. The Liquid-Liquid Equilibrium (LLE) is then measured at ambient condition. The classical Molecular Dynamic (MD) simulation technique is then employed to investigate and compare the experimental phase behavior of DES-quinoline-heptane ternary system...
March 15, 2018: Journal of Physical Chemistry. B
Zhiguo Wang, Hai-Bo Fan, Wan-Wei Yang, Xiao-Dong Mao, Shu-Hang Xu, Xiao-Ping Ma, Gui-Ping Wan, Xiao-Ming Yao, Keyang Chen
AIMS/INTRODUCTION: To explore the relationship between plasma iron levels and gestational diabetes mellitus, as well as its impact on macrosomia. MATERIALS AND METHODS: We retrospectively compared ferritin level and other Characteristics between GDM gravidas and no-GDM gravidas. The correlation between the levels of plasma ferritin and glucose, Haemoglobin was explored. Meanwhile, we assessed the risk factors of macrosomia outcome. Furthermore, we explored the relationship between ferritin level and the incidence of macrosomia outcome...
March 14, 2018: Journal of Diabetes Investigation
Jennifer Thomson, Melanie Gee, Karen Sage, Traci Walker
BACKGROUND: Aphasia assessment is traditionally divided into formal and informal approaches. Informal assessment is useful in developing a rich understanding of the person with aphasia's performance, e.g., describing performance in the context of real-world activities, and exploring the impact of environmental and/or partner supports upon communication. However, defining 'informal assessment' is problematic and can result in clinical issues including idiosyncratic practices regarding why, when and how to apply informal assessment...
March 15, 2018: International Journal of Language & Communication Disorders
Takeshi Takamatsu, Marouane Baslam, Takuya Inomata, Kazusato Oikawa, Kimiko Itoh, Takayuki Ohnishi, Tetsu Kinoshita, Toshiaki Mitsui
Chloroplasts, which perform photosynthesis, are one of the most important organelles in green plants and algae. Chloroplasts maintain an independent genome that includes important genes encoding their photosynthetic machinery and various housekeeping functions. Owing to its non-recombinant nature, low mutation rates, and uniparental inheritance, the chloroplast genome (plastome) can give insights into plant evolution and ecology and in the development of biotechnological and breeding applications. However, efficient methods to obtain high-quality chloroplast DNA (cpDNA) are currently not available, impeding powerful sequencing and further functional genomics research...
2018: Frontiers in Plant Science
Marta Henriques, David Gomes, Carlos Pereira
The aim of this work is to study the gelation properties of liquid whey protein concentrates (LWPC) produced by ultrafiltration (UF) as raw material for thermally induced gels intended for food applications. LWPC thermal gelation was performed using different types of LWPC (non-
-defatted, defatted and diafiltered) of different protein mass fractions and pH. Most of the produced gels showed viscoelastic behaviour. Non-defatted LWPC gave stronger heat-induced gels with a more cohesive microstructure, a higher water holding capacity and also higher elastic modulus (G') and viscous modulus (G'')...
December 2017: Food Technology and Biotechnology
N D B Ehelepola, A N Abayagunawardana, T N Sudusinghe
BACKGROUND: Hemolysis can occur in people with G6PD deficiency under oxidative stress. Acalypha indica is a tropical plant used as a medicinal plant as well as a vegetable. There are a few reported cases of Acalypha indica ingestion induced hemolysis in G6PD deficient people. All except one of them are from Sri Lanka. The information available at present (2017) about G6PD deficiency prevalence and variants of the G6PD gene among Sri Lankans is very sparse. There are no past reports on hemolytic crisis in a G6PD deficient person presenting mimicking leptospirosis...
March 14, 2018: BMC Research Notes
Filomena E C de Alencar, Rosely Dos Santos Malafronte, Crispim Cerutti Junior, Lícia Natal Fernandes, Julyana Cerqueira Buery, Blima Fux, Helder Ricas Rezende, Ana Maria Ribeiro de Castro Duarte, Antonio Ralph Medeiros-Sousa, Angelica Espinosa Miranda
BACKGROUND: The hypotheses put forward to explain the malaria transmission cycle in extra-Amazonian Brazil, an area of very low malaria incidence, are based on either a zoonotic scenario involving simian malaria, or a scenario in which asymptomatic carriers play an important role. OBJECTIVES: To determine the incidence of asymptomatic infection by detecting Plasmodium spp. DNA and its role in residual malaria transmission in a non-Amazonian region of Brazil. METHODS: Upon the report of the first malaria case in 2010 in the Atlantic Forest region of the state of Espírito Santo, inhabitants within a 2 km radius were invited to participate in a follow-up study...
March 14, 2018: Malaria Journal
Fetch more papers »
Fetching more papers... Fetching...
Read by QxMD. Sign in or create an account to discover new knowledge that matter to you.
Remove bar
Read by QxMD icon Read

Search Tips

Use Boolean operators: AND/OR

diabetic AND foot
diabetes OR diabetic

Exclude a word using the 'minus' sign

Virchow -triad

Use Parentheses

water AND (cup OR glass)

Add an asterisk (*) at end of a word to include word stems

Neuro* will search for Neurology, Neuroscientist, Neurological, and so on

Use quotes to search for an exact phrase

"primary prevention of cancer"
(heart or cardiac or cardio*) AND arrest -"American Heart Association"