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https://www.readbyqxmd.com/read/28743108/high-density-lipoprotein-cholesterol-level-relates-to-working-memory-immediate-and-delayed-cued-recall-in-brazilian-older-adults-the-role-of-cognitive-reserve
#1
Andreas Ihle, Élvio R Gouveia, Bruna R Gouveia, Duarte L Freitas, Jefferson Jurema, Maria A Tinôco, Matthias Kliegel
AIMS: The present study set out to investigate the relation of the high-density lipoprotein cholesterol (HDL-C) level to cognitive performance and its interplay with key markers of cognitive reserve in a large sample of older adults. METHODS: We assessed tests of working memory, immediate and delayed cued recall in 701 older adults from Amazonas, Brazil. The HDL-C level was derived from fasting blood samples. In addition, we interviewed individuals on their education, past occupation, and cognitive leisure activity...
July 26, 2017: Dementia and Geriatric Cognitive Disorders
https://www.readbyqxmd.com/read/28743045/wind-friction-parametrisation-used-in-emission-models-for-wastewater-treatment-plants-a-critical-review
#2
REVIEW
Ademir A Prata, Jane M Santos, Victoria Timchenko, Neyval C Reis, Richard M Stuetz
Emission models are widely applied tools for estimating atmospheric emissions from wastewater treatment plants (WWTPs). The friction velocity u∗ is a key variable for the modelling of emissions from passive liquid surfaces in WWTPs. This work evaluated different parametrisations of u∗ for passive liquid surfaces at the scale of WWTP units, which present relatively small fetches, based on available wind friction and wave data measured at wind-wave tanks (fetches spanning from approximately 3 to 100 m, and wind speeds from 2 to 17 m s(-1))...
July 17, 2017: Water Research
https://www.readbyqxmd.com/read/28742974/chiropractic-curriculum-mapping-and-congruence-of-the-evidence-for-workplace-interventions-in-work-related-neck-pain
#3
Martin Frutiger, Peter Jeffery Tuchin
OBJECTIVE: The purpose of this study was to provide a best-synthesis summary of the literature for effective workplace health promotion interventions (WHPI) for work-related mechanical neck pain (MNP) and to determine the congruence between knowledge of WHPI for work-related MNP and coverage of MNP in the chiropractic postgraduate program at Macquarie University. METHODS: A literature review was undertaken to determine effective WHPI for work-related MNP. We searched Cochrane Library, PubMed, EMBASE, CINAHL, and PEDro (from 1991 to 2016) for systematic reviews and meta-analyses...
July 25, 2017: Journal of Chiropractic Education
https://www.readbyqxmd.com/read/28742955/bayesian-one-step-ipd-network-meta-analysis-of-time-to-event-data-using-royston-parmar-models
#4
Suzanne C Freeman, James R Carpenter
Network meta-analysis (NMA) combines direct and indirect evidence from trials to calculate and rank treatment estimates. While modelling approaches for continuous and binary outcomes are relatively well developed, less work has been done with time-to-event outcomes. Such outcomes are usually analysed using Cox proportional hazard (PH) models. However, in oncology with longer follow-up time, and time-dependent effects of targeted treatments, this may no longer be appropriate. Network meta-analysis conducted in the Bayesian setting has been increasing in popularity...
July 25, 2017: Research Synthesis Methods
https://www.readbyqxmd.com/read/28742779/a-novel-method-of-evaluating-key-factors-for-success-in-a-multifaceted-critical-care-fellowship-using-data-envelopment-analysis
#5
Vikram Tiwari, Avinash B Kumar
BACKGROUND: The current system of summative multi-rater evaluations and standardized tests to determine readiness to graduate from critical care fellowships has limitations. We sought to pilot the use of data envelopment analysis (DEA) to assess what aspects of the fellowship program contribute the most to an individual fellow's success. DEA is a nonparametric, operations research technique that uses linear programming to determine the technical efficiency of an entity based on its relative usage of resources in producing the outcome...
July 21, 2017: Anesthesia and Analgesia
https://www.readbyqxmd.com/read/28742763/implementation-of-a-national-workplace-wellness-program-for-health-workers-in-botswana
#6
Jenny H Ledikwe, Bazghina-Werq Semo, Miram Sebego, Maureen Mpho, Heather Mothibedi, Shreshth Mawandia, Gabrielle O'Malley
: The Botswana workplace wellness program (WWP) for health care workers (HCWs) was initiated in 2007. WWP implementation was assessed using a sequential, explanatory, mixed methods design including a national implementation assessment (27 health districts) and in-depth interviews (n = 38). Level of implementation varied across districts with health screening, therapeutic recreation, and health promotion implemented more frequently than occupational health activities and psychosocial services. Facilitators to WWP implementation included establishment of a dedicated, diverse WWP committee; provision of administrative support, and integration of activities into organizational culture...
July 24, 2017: Journal of Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28742412/post-high-school-changes-in-tobacco-and-cannabis-use-in-the-united-states
#7
Fearghal O'brien, Bruce Simons-Morton, Ashok Chaurasia, Jeremy Luk, Denise Haynie, Danping Liu
BACKGROUND: The transition from high school into young adulthood is a critical developmental period with many young people going to college, moving residence, and entering the work force for the first time. The NEXT Generation Health Study (NEXT) is a nationally representative longitudinal study of adolescent health behaviors. Previous NEXT research has found that the post-high school environment is associated with changes in alcohol use. OBJECTIVES: The current study investigated the impact of school status, residential status, and work status on cannabis and cigarette use among post-high school participants...
July 25, 2017: Substance Use & Misuse
https://www.readbyqxmd.com/read/28742369/effect-of-curcumin-addition-on-the-adsorption-and-transport-of-a-cationic-dye-across-dppg-popg-liposomes-probed-by-second-harmonic-spectroscopy
#8
Gopal K Varshney, Srinivas R Kintali, Kaustuv Das
The effect of addition of Curcumin on the adsorption and transport characteristics of a cationic dye, (LDS+), across negatively charged bilayers composed of POPG and DPPG lipids were investigated by the interface selective Second Harmonic (SH) spectroscopic technique. Curcumin induced changes in the SH electric field signal of the LDS+ ions (E2ω (LDS+)) were observed to depend critically on the bilayer acyl chain saturation/un-saturation ratio (S/U). Following earlier works, the increase in the E2ω (LDS+) signal is attributed to the release of the Na+ counter-ions present in the head-group region of the bilayer by Curcumin and the decay of the E2ω (LDS+) signal is attributed to the bilayer intercalated state of Curcumin...
July 25, 2017: Langmuir: the ACS Journal of Surfaces and Colloids
https://www.readbyqxmd.com/read/28742272/longitudinal-associations-between-exercise-identity-and-exercise-motivation-a-multilevel-growth-curve-model-approach
#9
Nikos Ntoumanis, Andreas Stenling, Cecilie Thøgersen-Ntoumani, Symeon Vlachopoulos, Magnus Lindwall, Daniel F Gucciardi, Christos Tsakonitis
OBJECTIVES: Past work linking exercise identity and exercise motivation has been cross-sectional. This is the first study to model the relations between different types of exercise identity and exercise motivation longitudinally. Understanding the dynamic associations between these sets of variables has implications for theory development and applied research. DESIGN: Longitudinal survey study. METHODS: Participants were 180 exercisers (79 men, 101 women) from Greece, who were recruited from fitness centres and were asked to complete questionnaires assessing exercise identity (exercise beliefs and role identity) and exercise motivation (intrinsic, identified, introjected, external motivation, and amotivation) three times within a six month period...
July 25, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28742115/mind-wandering-during-attention-performance-effects-of-adhd-inattention-symptomatology-negative-mood-ruminative-response-style-and-working-memory-capacity
#10
Lisa M Jonkman, C Rob Markus, Michael S Franklin, Jens H van Dalfsen
OBJECTIVE: In adulthood, depressive mood is often comorbid with ADHD, but its role in ADHD-inattentiveness and especially relations with mind wandering remains to be elucidated. This study investigated the effects of laboratory-induced dysphoric mood on task-unrelated mind wandering and its consequences on cognitive task performance in college students with high (n = 46) or low (n = 44) ADHD-Inattention symptomatology and Hyperactivity/Impulsivity symptoms in the normal range. METHODS: These non-clinical high/low ADHD-Inattention symptom groups underwent negative or positive mood induction after which mind wandering frequency was measured in a sustained attention (SART), and a reading task...
2017: PloS One
https://www.readbyqxmd.com/read/28742084/systematic-tissue-specific-functional-annotation-of-the-human-genome-highlights-immune-related-dna-elements-for-late-onset-alzheimer-s-disease
#11
Qiongshi Lu, Ryan L Powles, Sarah Abdallah, Derek Ou, Qian Wang, Yiming Hu, Yisi Lu, Wei Liu, Boyang Li, Shubhabrata Mukherjee, Paul K Crane, Hongyu Zhao
Continuing efforts from large international consortia have made genome-wide epigenomic and transcriptomic annotation data publicly available for a variety of cell and tissue types. However, synthesis of these datasets into effective summary metrics to characterize the functional non-coding genome remains a challenge. Here, we present GenoSkyline-Plus, an extension of our previous work through integration of an expanded set of epigenomic and transcriptomic annotations to produce high-resolution, single tissue annotations...
July 24, 2017: PLoS Genetics
https://www.readbyqxmd.com/read/28742038/understanding-symmetric-smoothing-filters-a-gaussian-mixture-model-perspective
#12
Stanley H Chan, Todd Zickler, Yue M Lu
Many patch-based image denoising algorithms can be formulated as applying a smoothing filter to the noisy image. Expressed as matrices, the smoothing filters must be row normalized so that each row sums to unity. Surprisingly, if we apply a column normalization before the row normalization, the performance of the smoothing filter can often be significantly improved. Prior works showed that such performance gain is related to the Sinkhorn-Knopp balancing algorithm, an iterative procedure that symmetrizes a row-stochastic matrix to a doublystochastic matrix...
July 24, 2017: IEEE Transactions on Image Processing: a Publication of the IEEE Signal Processing Society
https://www.readbyqxmd.com/read/28741743/indoor-air-problems-and-experiences-of-injustice-in-the-workplace-a-quantitative-and-a-qualitative-study
#13
Eerika Finell, Tuija Seppälä
This paper explores subjective injustice experiences of individuals suffering from suspected or observed indoor air problems in their workplaces in two studies. We focus on injustice experiences because they influence how individuals cope with and recover from health problems. The first study reports associations between the perceived harmfulness of the indoor environment (i.e., mould/inadequate ventilation) and subjective injustice experiences in workplaces in a representative sample of Finnish working-aged people (N = 4633)...
July 25, 2017: Indoor Air
https://www.readbyqxmd.com/read/28741707/photophysical-and-photochemical-properties-of-naturally-cccurring-normelinonine-f-and-melinonine-f-alkaloids-and-structurally-related-n-2-and-or-n-9-methyl-%C3%AE-carboline-derivatives
#14
Federico A O Rasse-Suriani, Fernando S García-Einschlag, Matías Rafti, Tobías Schmidt De León, Pedro M David Gara, Rosa Erra-Balsells, Franco M Cabrerizo
In the present work, we have synthesized and fully characterized the photophysical and photochemical properties of a selected group of N-methyl-β-carboline derivatives (9-methyl-β-carbolines and iodine salts of 2-methyl- and 2,9-dimethyl-β-carbolinium) in aqueous solutions, in the pH-range 4.0 - 14.5. Moreover, despite the quite extensive studies reported in the literature regarding the overall photophysical behaviour of N-unsubstituted βCs, this work constitutes the first full and unambiguous characterization of anionic species of N-unsubstituted βCs (norharmane, harmane and harmine), present in aqueous solution under highly alkaline conditions (pH > 13...
July 25, 2017: Photochemistry and Photobiology
https://www.readbyqxmd.com/read/28741458/hybrid-polymeric-magnetic-nanoparticles-in-cancer-treatments
#15
Alexandra Muñoz Bonilla, Pilar Herrasti González
Over the last years, magnetic nanoparticles have received a great attention in cancer therapy and diagnosis. Magnetic drug targeting, is a particularly promising application in this area as the nanoparticles can be directed to the tumor by external magnetic field and concentrated the drug in this tumor tissue. In addition to this magnetic targeting, their inherent magnetic properties provide sensitive contrast enhancement in magnetic resonance imaging (MRI) and can, therefore, be visualized and used for theranostic purposes...
May 18, 2017: Current Pharmaceutical Design
https://www.readbyqxmd.com/read/28741165/history-and-conceptual-developments-in-vascular-biology-and-angiogenesis-research-a-personal-view
#16
REVIEW
Andreas Bikfalvi
Vascular biology is an important scientific domain that has gradually penetrated many medical and scientific fields. Scientists are most often focused on present problems in their daily scientific work and lack awareness regarding the evolution of their domain throughout history and of how philosophical issues are related to their research field. In this article, I provide a personal view with an attempt to conceptualize vascular development research that articulates lessons taken from history, philosophy, biology and medicine...
July 24, 2017: Angiogenesis
https://www.readbyqxmd.com/read/28741158/intraocular-lenses-in-age-related-macular-degeneration
#17
REVIEW
Andrzej Grzybowski, Weronika Wasinska-Borowiec, Jorge L Alio, Pedro Amat-Peral, Juan Tabernero
PURPOSE: The aim of this work is to review the lenses, assessing their advantages and disadvantages. We describe a total of seven types of intraocular lenses (IOLs) recommended for age-related macular degeneration (AMD). METHODS: We used the PubMed web platform to search for implantable devices in various stages of AMD. We searched for both prospective and retrospective studies and also case reports. RESULTS: Clinical results in AMD patients have been described for a total of seven types of IOLs recommended for AMD: an implantable miniature telescope (IMT), IOL-VIP System, Lipshitz macular implant (LMI), sulcus-implanted Lipshitz macular implant, LMI-SI, Fresnel Prism Intraocular Lens, iolAMD and Scharioth Macula Lens...
July 24, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28741133/african-and-caribbean-nurses-decisions-about-hiv-testing-a-mixed-methods-study
#18
Jean N Harrowing, Nancy Edwards, Solina Richter, Karin Minnie, Tania Rae
Nurses in Jamaica, Kenya, South Africa, and Uganda are at risk for occupational exposure to HIV. Little is known about the experiences and policy supports related to nurses having themselves tested for the virus. This article reports a mixed-methods study about contextual influences on nurses' decision-making about HIV testing. Individual and focus group interviews, as well as a questionnaire on workplace polices and quality assurance and a human resource management assessment tool provided data. Fear of a positive diagnosis and stigma and lack of confidentiality along with gaps in the policy environment contributed to indecision about testing...
July 24, 2017: AIDS and Behavior
https://www.readbyqxmd.com/read/28741125/identification-of-carboxylate-phosphate-and-phenoxide-functionalities-in-deprotonated-molecules-related-to-drug-metabolites-via-ion-molecule-reactions-with-water-and-diethylhydroxyborane
#19
Hanyu Zhu, Xin Ma, John Y Kong, Minli Zhang, Hilkka I Kenttämaa
Tandem mass spectrometry based on ion-molecule reactions has emerged as a powerful tool for structural elucidation of ionized analytes. However, most currently used reagents were designed to react with protonated analytes, making them suboptimal for acidic analytes that are preferentially detected in negative ion mode. In this work we demonstrate that the phenoxide, carboxylate, and phosphate functionalities can be identified in deprotonated molecules by use of a combination of two reagents, diethylmethoxyborane (DEMB) and water...
July 24, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28740823/is-performance-on-probed-serial-recall-tasks-in-schizophrenia-related-to-duration-of-attentional-blink
#20
David P McAllindon, Philip G Tibbo, Gail A Eskes
Schizophrenia is associated with a deficit in working memory, with the degree of working memory impairment related to the level of social and occupational functioning. This study tests the hypothesis that the working memory deficits in individuals with schizophrenia can be explained by slow processing of visual stimuli, as measured by the attentional blink (AB) task. Individuals with schizophrenia (SC) and controls (HC) were recruited from an early intervention service for psychosis and the local community...
March 2017: Schizophrenia Research. Cognition
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