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https://www.readbyqxmd.com/read/28231704/genetic-correlations-between-behavioural-responses-and-performance-traits-in-laying-hens
#1
Iwona Rozempolska-Rucińska, Grzegorz Zięba, Lucyna Kibała, Tomasz Paweł Próchniak, Marek Łukaszewicz
The aim of the study was to evaluate genetic correlations between the behavioural profile and performance in laying hens as an indirect answer to the question whether the observed behavioural responses are associated with increased levels of stress in these birds. The assessment of birds' temperament was carried out using the Novel Objects Test. The behavioural test was conducted in two successive generations comprising 9483 Rhode Island White birds (approx. 4700 individuals per generation) and 4326 Rhode Island Red birds (approx...
February 23, 2017: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/28231649/optimal-timing-for-hemoglobin-concentration-determination-after-total-knee-arthroplasty-day-1-versus-day-2
#2
Mahdi Yacine Khalfaoui, Charles Godavitarne, Michael C P Wilkinson
Purpose: Postoperative hemoglobin (Hb) determination remains an essential parameter for quantifying blood loss following total knee replacement (TKR) surgery and guiding transfusion practice. In this study we aimed to ascertain the optimal timing for Hb determination postoperatively and assess its relationship to serum hematocrit (Hct). Materials and Methods: This was a retrospective cohort analysis of 61 consecutive patients undergoing preoperative, day 1 and day 2 Hb and Hct concentration determination following TKR surgery...
March 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28231635/in-vivo-structural-imaging-in-rats-reveals-neuroanatomical-correlates-of-behavioral-sub-dimensions-of-cocaine-addiction
#3
Nazzareno Cannella, Alejandro Cosa-Linan, Elena Büchler, Claudia Falfan-Melgoza, Wolfgang Weber-Fahr, Rainer Spanagel
Cocaine addiction is a multi-dimensional behavioral disorder characterized by a loss of control over cocaine taking despite of detrimental consequences. Structural MRI studies have revealed association between cocaine consumption and gray matter volume (GMV) in cocaine-addicted patients. However, the behavioral correlates of GMV in cocaine addiction are poorly understood. Here, we used a DSM-IV-based rat model of cocaine addiction with high face validity for structural imaging. According to three behavioral sub-dimensions of addiction, rats were separated into two groups showing either addict-like or non-addict-like behavior...
February 23, 2017: Addiction Biology
https://www.readbyqxmd.com/read/28231632/reliability-and-validity-of-the-chinese-version-of-the-self-care-ability-scale-for-the-elderly
#4
Han Gao, Ulrika Söderhamn, Christina Cliffordson, Lina Guo, Qiyun Guo, Kun Liu
AIMS AND OBJECTIVES: To translate the Self-care Ability Scale for the Elderly into Simplified Chinese, and to test the Chinese version of the scale regarding its reliability and validity among older people. BACKGROUND: Self-care is an important topic in nursing. When assessing older people's self-care ability, it is essential that a reliable and valid instrument is used. DESIGN: This study employed across-sectional design. METHODS: We translated the English version of the Self-care Ability Scale for the Elderly into Simplified Chinese according to Brislin's translation guidelines, and carried out a questionnaire survey among 610 older people, including both community-dwelling people and hospital patients, in Jinzhou City, People's Republic of China...
February 23, 2017: Journal of Clinical Nursing
https://www.readbyqxmd.com/read/28231487/detecting-changes-in-ultrasound-backscattered-statistics-by-using-nakagami-parameters-comparisons-of-moment-based-and-maximum-likelihood-estimators
#5
Jen-Jen Lin, Jung-Yu Cheng, Li-Fei Huang, Ying-Hsiu Lin, Yung-Liang Wan, Po-Hsiang Tsui
The Nakagami distribution is an approximation useful to the statistics of ultrasound backscattered signals for tissue characterization. Various estimators may affect the Nakagami parameter in the detection of changes in backscattered statistics. In particular, the moment-based estimator (MBE) and maximum likelihood estimator (MLE) are two primary methods used to estimate the Nakagami parameters of ultrasound signals. This study explored the effects of the MBE and different MLE approximations on Nakagami parameter estimations...
February 9, 2017: Ultrasonics
https://www.readbyqxmd.com/read/28231478/event-related-brain-potential-indices-of-cognitive-function-and-brain-resource-reallocation-during-working-memory-in-patients-with-multiple-sclerosis
#6
Thomas J Covey, Janet L Shucard, David W Shucard
OBJECTIVE: To examine event-related brain potentials (ERPs) in Multiple Sclerosis (MS) during a visual n-back working memory (WM) task, and test the hypothesis that compensatory brain function may be associated with variance in task performance in MS patients. METHODS: Midline ERPs for 25MS patients and 18 HCs were obtained for a visual n-back task that placed increasing demands on WM. N-back behavioral measures and neuropsychological performance measures of WM were also obtained...
January 29, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28231476/evaluation-of-cognitive-performance-in-professional-divers-by-means-of-event-related-potentials-and-neuropsychology
#7
Mehmet Ergen, Atilla Uslu, Ozlem Caglar, Sukriye Akca-Kalem, Maide Cimsit, Hakan Gurvit
OBJECTIVE: We investigated whether professional air diving with no decompression illness causes any long-term changes in cognitive functions. METHODS: The all-male participants consisted of 18 healthy control (HC) volunteers and 32 divers. Divers were divided into two subgroups as moderate exposure group, Divers-I (DI) and extensive exposure group, Divers-II (DII). Participants were administered a comprehensive neuropsychological battery and event-related potentials (ERPs) were recorded while they performed auditory oddball task and visual continuous performance test (CPT)...
January 29, 2017: Clinical Neurophysiology: Official Journal of the International Federation of Clinical Neurophysiology
https://www.readbyqxmd.com/read/28231455/synthetic-investigation-physicochemical-characterization-and-antibacterial-evaluation-of-ternary-bi-iii-systems-with-hydroxycarboxylic-acid-and-aromatic-chelator-substrates
#8
C M Nday, E Halevas, A Tsiaprazi-Stamou, D Eleftheriadou, A Hatzidimitriou, G Jackson, D Reid, A Salifoglou
Due to its physical and chemical properties, bismuth (Bi(III)) is widely used in the treatment of several gastrointestinal and skin diseases, and infections caused by bacteria. Herein, its known antimicrobial potential was taken into consideration in the synthesis of two new hybrid ternary materials of Bi(III) with the physiological α-hydroxycarboxylic glycolic acid and 1,10-phenanthroline (phen), [Bi2(C2H2O3)2(C2H3O3)(NO3)]n(.) nH2O (1) and [Bi(C12H8N2)(NO3)4](C10H8N4) (2), aiming at improving its antibacterial properties...
February 11, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28231451/disaggregation-of-human-islet-amyloid-polypeptide-fibril-formation-by-ruthenium-polypyridyl-complexes
#9
Dengsen Zhu, Gehui Gong, Wenji Wang, Weihong Du
The toxicity of amyloid proteins is associated with many degenerative and systematic diseases. The aggregation of human islet amyloid polypeptide may induce pancreatic β-cell death, which is linked to type II diabetes. Ruthenium complexes are inhibitors of various proteins and potential anticancer metallodrugs, which can also be used to disaggregate amyloid proteins. This work reported that several ruthenium polypyridyl complexes remarkably affected the peptide aggregation by predominant hydrophobic interaction and metal coordination, as reflected by thermodynamic parameters and mass spectrometry analysis...
February 13, 2017: Journal of Inorganic Biochemistry
https://www.readbyqxmd.com/read/28231398/living-with-melanoma-%C3%A2-for-a-day-a-phenomenological-analysis-of-medical-students-simulated-experiences
#10
M Corr, G Roulston, N King, T Dornan, C Blease, G J Gormley
BACKGROUND: Despite the rising incidence of melanoma, medical students have progressively fewer opportunities to encounter patients with this important condition. Curricula tend to attach the greatest value to intellectual forms of learning. Compared to intellectual learning, however, experiential learning affords students deep insights about a condition. Doctors who experience ill health are more empathic towards patients. However opportunities to learn about cancer experientially are limited...
February 23, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28231353/reflections-on-mentoring
#11
EDITORIAL
Barbara J Edlund
No abstract text is available yet for this article.
March 1, 2017: Journal of Gerontological Nursing
https://www.readbyqxmd.com/read/28231332/the-moderating-role-of-absorptive-capacity-and-the-differential-effects-of-acquisitions-and-alliances-on-big-pharma-firms-innovation-performance
#12
K D S Fernald, H P G Pennings, J F van den Bosch, H R Commandeur, E Claassen
In the context of increased pharmaceutical innovation deficits and Big Pharma blockbusters' patent expirations, this paper examines the moderating role of firms' absorptive capacity in external innovation activities of Big Pharma firms. The study indicates a rising interest of Big Pharma in acquisitions of and alliances with biotechnology companies. Unfortunately, this increased interest is not reflected in the number of new drugs generated by Big Pharma. We find that acquisitions of biotech companies have negatively affected Big Pharma firms' innovation performance on average but these acquisitions might have a positive effect at higher levels of acquiring firms' absorptive capacity...
2017: PloS One
https://www.readbyqxmd.com/read/28231328/integrating-the-sd-clue-s-and-invest-models-into-assessment-of-oasis-carbon-storage-in-northwestern-china
#13
Youjia Liang, Lijun Liu, Jiejun Huang
Spatio-temporal integrated assessment of land-use change impacts on carbon storage services is a new and important research field in land science and landscape ecology. The objective of this paper is to use an integrated SD-CLUE-S and InVEST model to simulate and predict land-use changes impacts during 2000-2018 on carbon storage at pixel and regional scales in the Zhangye oasis, Northwest China. The SD-CLUE-S model was used to simulate land-use change, and three land-use scenarios (current trend, moderate protection, and strict protection) were defined in collaboration with oasis socioeconomic development and ecological environment conservation by local government...
2017: PloS One
https://www.readbyqxmd.com/read/28231285/the-mother-s-autonomy-in-decision-making-madm-scale-patient-led-development-and-psychometric-testing-of-a-new-instrument-to-evaluate-experience-of-maternity-care
#14
Saraswathi Vedam, Kathrin Stoll, Kelsey Martin, Nicholas Rubashkin, Sarah Partridge, Dana Thordarson, Ganga Jolicoeur
OBJECTIVE: To develop and validate a new instrument that assesses women's autonomy and role in decision making during maternity care. DESIGN: Through a community-based participatory research process, service users designed, content validated, and administered a cross-sectional quantitative survey, including 31 items on the experience of decision-making. SETTING AND PARTICIPANTS: Pregnancy experiences (n = 2514) were reported by 1672 women who saw a single type of primary maternity care provider in British Columbia...
2017: PloS One
https://www.readbyqxmd.com/read/28231274/early-skin-to-skin-contact-after-cesarean-section-a-randomized-clinical-pilot-study
#15
Martina Kollmann, Lisa Aldrian, Anna Scheuchenegger, Eva Mautner, Sereina A Herzog, Berndt Urlesberger, Reinhard B Raggam, Uwe Lang, Barbara Obermayer-Pietsch, Philipp Klaritsch
OBJECTIVE: Early bonding by skin-to-skin contact (SSC) has been demonstrated to be beneficial for mothers and newborns following vaginal delivery. The aim of this study was to investigate the impact of intraoperative bonding (early SSC) after cesarean section on neonatal adaptation, maternal pain and stress response. STUDY DESIGN: This prospective, randomized-controlled pilot study was performed at a single academic tertiary hospital (Department of Obstetrics and Gynecology, Medical University of Graz, Austria) between September 2013 and January 2014...
2017: PloS One
https://www.readbyqxmd.com/read/28231259/impact-of-seasonality-and-air-pollutants-on-carotid-femoral-pulse-wave-velocity-and-wave-reflection-in-hypertensive-patients
#16
Marina Di Pilla, Rosa Maria Bruno, Francesco Stea, Luciano Massetti, Stefano Taddei, Lorenzo Ghiadoni, Pietro Amedeo Modesti
OBJECTIVE: The effects of seasonality on blood pressure (BP) and cardiovascular (CV) events are well established, while the influence of seasonality and other environmental factors on arterial stiffness and wave reflection has never been analyzed. This study evaluated whether seasonality (daily number of hours of light) and acute variations in outdoor temperature and air pollutants may affect carotid-femoral pulse wave velocity (PWV) and pressure augmentation. DESIGN AND METHOD: 731 hypertensive patients (30-88 years, 417 treated) were enrolled in a cross-sectional study during a 5-year period...
2017: PloS One
https://www.readbyqxmd.com/read/28231253/community-analysis-of-pigment-patterns-from-37-microalgae-strains-reveals-new-carotenoids-and-porphyrins-characteristic-of-distinct-strains-and-taxonomic-groups
#17
Benoît Serive, Elodie Nicolau, Jean-Baptiste Bérard, Raymond Kaas, Virginie Pasquet, Laurent Picot, Jean-Paul Cadoret
Phytoplankton, with an estimated 30 000 to 1 000 000 species clustered in 12 phyla, presents a high taxonomic and ecophysiological diversity, reflected by the complex distribution of pigments among the different algal classes. High performance liquid chromatography is the gold standard method for qualitative and quantitative analysis of phytoplankton pigments in seawater and culture samples, but only a few pigments can be used as robust chemotaxonomic markers. A major challenge is thus to identify new ones, characteristic of a strain, species, class or taxon that cannot be currently identified on the basis of its pigment signature...
2017: PloS One
https://www.readbyqxmd.com/read/28231248/intensive-trapping-of-blood-fed-anopheles-darlingi-in-amazonian-peru-reveals-unexpectedly-high-proportions-of-avian-blood-meals
#18
Marta Moreno, Marlon P Saavedra, Sara A Bickersmith, Catharine Prussing, Adrian Michalski, Carlos Tong Rios, Joseph M Vinetz, Jan E Conn
Anopheles darlingi, the main malaria vector in the Neotropics, has been considered to be highly anthropophilic. However, many behavioral aspects of this species remain unknown, such as the range of blood-meal sources. Barrier screens were used to collect resting Anopheles darlingi mosquitoes from 2013 to 2015 in three riverine localities (Lupuna, Cahuide and Santa Emilia) in Amazonian Peru. Overall, the Human Blood Index (HBI) ranged from 0.58-0.87, with no significant variation among years or sites. Blood-meal analysis revealed that humans are the most common blood source, followed by avian hosts (Galliformes-chickens and turkeys), and human/Galliforme mixed-meals...
February 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28231135/changes-in-food-intake-in-australia-comparing-the-1995-and-2011-national-nutrition-survey-results-disaggregated-into-basic-foods
#19
Bradley Ridoutt, Danielle Baird, Kathryn Bastiaans, Gilly Hendrie, Malcolm Riley, Peerasak Sanguansri, Julie Syrette, Manny Noakes
As nations seek to address obesity and diet-related chronic disease, understanding shifts in food intake over time is an imperative. However, quantifying intake of basic foods is not straightforward because of the diversity of raw and cooked wholefoods, processed foods and mixed dishes actually consumed. In this study, data from the Australian national nutrition surveys of 1995 and 2011, each involving more than 12,000 individuals and covering more than 4500 separate foods, were coherently disaggregated into basic foods, with cooking and processing factors applied where necessary...
May 25, 2016: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28230973/unique-opto-electronic-structure-and-photo-reduction-properties-of-sulfur-doped-lead-chromates-explaining-their-instability-in-paintings
#20
Vanousheh Rahemi, Nasrin Sarmadian, Willemien Anaf, Koen Janssens, Dirk Lamoen, Bart Partoens, Karolien De Wael
Chrome yellow refers to a group of synthetic inorganic pigments that became popular as an artist's material from the second quarter of the 19th century. The color of the pigment, in which the chromate ion acts as a chromophore, is related to its chemical composition (PbCr1-xSxO4, with 0≤x≤0.8) and crystalline structure (monoclinic/orthorhombic). Their shades range from the yellow-orange to the paler yellow tones with increasing sulfate amount. These pigments show remarkable signs of degradation after limited time periods...
February 23, 2017: Analytical Chemistry
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