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Elizabeth A Ellins, D Aled Rees, John E Deanfield, Andrew Steptoe, Julian P Halcox
Stress influences the risk of cardiovascular disease. Acute mental stress can induce both low-grade inflammation and endothelial dysfunction. The relationship between inflammatory responses to stress and future endothelial function is unexplored. Knowledge on the impact of other cardiovascular risk factors, such as dyslipidaemia, on such relationships is also limited We investigated the relationship between inflammatory responses to an acute mental stress challenge and endothelial function plus the influence of dyslipidaemia on the associations...
October 18, 2016: Brain, Behavior, and Immunity
Gabriel G Arantes de Carvalho, Stalin Kondaveeti, Denise F S Petri, Alexandre M Fioroto, Luiza G R Albuquerque, Pedro V Oliveira
Analytical methods for the determination of rare earth elements (REE) in natural waters by plasma spectrochemical techniques often require sample preparation procedures for analytes preconcentration as well as for removing matrix constituents, that may interfere on the analytical measurements. In the present work, calcium alginate (CA) beads were used for the first time aiming at Ce, La and Nd preconcentration from groundwater samples for further determination by inductively coupled plasma optical emission spectrometry (ICP OES)...
December 1, 2016: Talanta
Anna Alexandrovna Arkhipova, Grigory Il'yich Tsysin, Mikhail Alexandrovich Statkus, Mikhail Alexandrovich Bol'shov, Irina Filippovna Seregina, Yury Alexandrovich Zolotov
A comparison of the efficiency of sorbents obtained by different methods of non-covalent immobilization of β-diketones on some low-polar matrices with respect to extraction of rare earth elements (REEs) was carried out. It was shown that sorbents containing reagent amounts of 1-8mmol/g can be obtained by sorption of reagents on low-polar matrices from aqueous and aqueous-organic solutions, and the value for the maximum capacity of the sorbent correlates with the specific surface of the matrix. Similar sorbents were also prepared by impregnating the matrix with reagent...
December 1, 2016: Talanta
Phillip J Summers, Isabelle A Struve, Michael S Wilkes, Vaughan W Rees
BACKGROUND: Injection-site vein loss and skin abscesses impose significant morbidity on people who inject drugs (PWID). The two common forms of street heroin available in the USA include black tar and powder heroin. Little research has investigated these different forms of heroin and their potential implications for health outcomes. METHODS: A multiple-choice survey was administered to a sample of 145 participants seeking services at reduction facilities in both Sacramento, CA and greater Boston, MA, USA...
October 18, 2016: International Journal on Drug Policy
Eliot L Rees, Benjamin Davies
No abstract text is available yet for this article.
November 2016: Medical Education
Charmaine Krishnasamy, Sik Yin Ong, Yvonne Yock, Issac Lim, Rebecca Rees, Josip Car
BACKGROUND: mLearning is increasingly presented as an attractive novel educational strategy for medical and nursing education. Yet, evidence base for its effectiveness or factors which influence use, success, implementation or adoption are not clear. We aim to synthesise findings from qualitative studies to provide insight into the factors (barriers and facilitators) influencing adoption, implementation and use of mobile devices for learning in medical and nursing education. The review also aims to identify factors or actions which are considered to optimise the experience and satisfaction of educators and learners in using mobile technologies for medical and nursing education and to identify strategies for improving mLearning interventions for medical and nursing education...
October 19, 2016: Systematic Reviews
Živa Cotič, Rebecca Rees, Petra A Wark, Josip Car
BACKGROUND: In 2013, there was a shortage of approximately 7.2 million health workers worldwide, which is larger among family physicians than among specialists. eLearning could provide a potential solution to some of these global workforce challenges. However, there is little evidence on factors facilitating or hindering implementation, adoption, use, scalability and sustainability of eLearning. This review aims to synthesise results from qualitative and mixed methods studies to provide insight on factors influencing implementation of eLearning for family medicine specialty education and training...
October 19, 2016: Systematic Reviews
Yiru Wang, Zhengpeng Qin, David R Boulware, Bobbi S Pritt, Lynne M Sloan, Iveth J González, David Bell, Roxanne R Rees-Channer, Peter Chiodini, Warren C W Chan, John C Bischof
There is an increasing need for highly sensitive and quantitative diagnostics at the point-of-care. The lateral flow immunoassay (LFA) is one of the most widely used point-of-care diagnostic tests; however, LFAs generally suffers from low sensitivity and lack of quantification. To overcome these limitations, thermal contrast amplification (TCA) is a new method that is based on the laser excitation of gold nanoparticles (GNP), the most commonly used visual signature, to evoke a thermal signature. To facilitate the clinical translation of the TCA technology, we present the development of a TCA reader, a platform technology that significantly improves the limit of detection and provides quantification of disease antigens in LFAs...
October 17, 2016: Analytical Chemistry
David C Rees, Valentine A M Brousse
No abstract text is available yet for this article.
June 2016: Indian Journal of Medical Research
Hailee L Wingfield, Abbie E Smith-Ryan, Malia N Melvin, Erica J Roelofs, Eric T Trexler, Anthony C Hackney, Mark A Weaver, Eric D Ryan
BACKGROUND: The purpose of this study was to examine the effect of exercise modality and pre-exercise carbohydrate (CHO) or protein (PRO) ingestion on post-exercise resting energy expenditure (REE) and respiratory exchange ratio (RER) in women. METHODS: Twenty recreationally active women (mean ± SD; age 24.6 ± 3.9 years; height 164.4 ± 6.6 cm; weight 62.7 ± 6.6 kg) participated in this randomized, crossover, double-blind study. Each participant completed six exercise sessions, consisting of three exercise modalities: aerobic endurance exercise (AEE), high-intensity interval running (HIIT), and high-intensity resistance training (HIRT); and two acute nutritional interventions: CHO and PRO...
December 2015: Sports Medicine—Open
D J Hamilton, D W Wheeler, C M White, C L Rees, A O Komendantov, M Bergamino, G A Ascoli
Widely spread naming inconsistencies in neuroscience pose a vexing obstacle to effective communication within and across areas of expertise. This problem is particularly acute when identifying neuron types and their properties. is a web-accessible neuroinformatics resource that organizes existing data about essential properties of all known neuron types in the rodent hippocampal formation. links evidence supporting the assignment of a property to a type with direct pointers to quotes and figures...
June 9, 2016: Brain Informatics
Jingxi Li, Chengjun Sun, Li Zheng, Xiaofei Yin, Junhui Chen, Fenghua Jiang
The geochemistry of rare earth elements (REE) in surface sediment from Cuarteron reef (N1), Johnson reef (N2), Hugh reef (N3), Gaven reef (N4), Fiery cross reef (N5), and Subi reef (N6) were firstly studied. The total REE abundance (∑REE) varied from 2.244μg·g(-1) to 21.661μg·g(-1), with an average of 4.667μg·g(-1). The LREE/HREE was from 2.747 to 9.869, with an average of 3.687, which indicated that the light REE was evidently enriched. Fractionation was observed between LREE and HREE. Gd with a negative anomaly was also detected in all of the stations...
October 13, 2016: Marine Pollution Bulletin
Christopher N Johnson, Daniel A Erlanson, Christopher W Murray, David C Rees
Fragment-based drug discovery (FBDD) is now well-established as a technology for generating new chemical leads and drugs. This Miniperspective provides a tabulated overview of the fragment-to-lead literature published in the year 2015, together with a commentary on trends observed across the FBDD field during this time. It is hoped that this tabulated summary will provide a useful point of reference for both FBDD practitioners and the wider medicinal chemistry community.
October 14, 2016: Journal of Medicinal Chemistry
Manfred J Müller, Janna Enderle, Anja Bosy-Westphal
Metabolic adaptation to weight changes relates to body weight control, obesity and malnutrition. Adaptive thermogenesis (AT) refers to changes in resting and non-resting energy expenditure (REE and nREE) which are independent from changes in fat-free mass (FFM) and FFM composition. AT differs in response to changes in energy balance. With negative energy balance, AT is directed towards energy sparing. It relates to a reset of biological defence of body weight and mainly refers to REE. After weight loss, AT of nREE adds to weight maintenance...
October 13, 2016: Current Obesity Reports
Corrie E Chumpitazi, Chris A Rees, Elizabeth A Camp, M Brooke Bernhardt
BACKGROUND: The Drug Enforcement Administration (DEA) changed hydrocodone-containing products (HCPs) from Schedule III to II status on October 6, 2014, making codeine-containing products (CCPs) the only non-Schedule II oral opioid agents. OBJECTIVES: We sought to describe prescribing patterns of oral opioid agents in the pediatric emergency department before and after the 2014 DEA rescheduling of HCPs. METHODS: We performed a cross-sectional study evaluating prescribing patterns in the pediatric emergency department at an urban, academic, quaternary care children's hospital system for 6 months before and 6 months after the DEA rescheduling of HCPs...
October 7, 2016: Journal of Emergency Medicine
Bonnie Alexander, Andrea L Murray, Wai Yen Loh, Lillian G Matthews, Chris Adamson, Richard Beare, Jian Chen, Claire E Kelly, Sandra Rees, Simon K Warfield, Peter J Anderson, Lex W Doyle, Alicia J Spittle, Jeanie L Y Cheong, Marc L Seal, Deanne K Thompson
Investigating neonatal brain structure and function can offer valuable insights into behaviour and cognition in healthy and clinical populations; both at term age, and longitudinally in comparison with later time points. Parcellated brain atlases for adult populations are readily available, however warping infant data to adult template space is not ideal due to morphological and tissue differences between these groups. Several parcellated neonatal atlases have been developed, although there remains strong demand for manually parcellated ground truth data with detailed cortical definition...
October 7, 2016: NeuroImage
Aysha Masood Khan, Nor Kartini Abu Bakar, Ahmad Farid Abu Bakar, Muhammad Aqeel Ashraf
Rare earths (RE), chemically uniform group of elements due to similar physicochemical behavior, are termed as lanthanides. Natural occurrence depends on the geological circumstances and has been of long interest for geologist as tools for further scientific research into the region of ores, rocks, and oceanic water. The review paper mainly focuses to provide scientific literature about rare earth elements (REEs) with potential environmental and health effects in understanding the research. This is the initial review of RE speciation and bioavailability with current initiative toward development needs and research perceptive...
October 10, 2016: Environmental Science and Pollution Research International
Jahanshah Ashkani, D J G Rees
Specificity in the GSI response results from the S-haplotype-specific molecular interaction of S-locus F-box (SLF/SFB) and SRNase proteins in the self-incompatibility locus (S-locus). The answer to the question of how these two components of the S-locus (SRNase and SLF/SFB) interact has been gathered from several models. Since there is not enough evidence as to which one is the definitive model, none of them can be ruled out. Despite the identification of interacting protein elements, the mechanism by which SLF/SFB and SRNase interact to differently trigger the self-incompatibility among families and subfamilies remain uncertain...
October 10, 2016: Scientific Reports
Benjamin Ian Perry, Gemma McIntosh, Scott Weich, Swaran Singh, Karen Rees
BACKGROUND: Schizophrenia might share intrinsic inflammatory disease pathways with type 2 diabetes. We aimed to assess whether first-episode psychosis, which could be described as developing schizophrenia, is associated with prediabetic markers, or developing diabetes, to determine whether intrinsic disease links could cause the disorders to develop in unison. We hypothesised that biochemical measures of prediabetic states would be more common in antipsychotic naive patients with first-episode psychosis than in healthy matched controls...
October 5, 2016: Lancet Psychiatry
Amanda Rees
No abstract text is available yet for this article.
September 2016: British Journal for the History of Science
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