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Adaptation of reproductive phenology to climate change with ecological feedback via dominance hierarchies.

Phenological shifts belong to the most commonly observed biological responses to recent climate change. It is, however, often unclear how these shifts are linked to demography and competitive interactions. We develop an eco-evolutionary model to study adaptation of timing of reproduction in organisms with social dominance hierarchies. We focus on residential birds with winter flocks, where success

Health-related quality of life is impaired in active collagenous colitis

Objectives: The characteristic clinical symptoms of collagenous colitis are non-bloody diarrhoea, urgency and abdominal pain. Treatment is aimed at reducing the symptom burden and the disease impact on patients' health-related quality of life. The objective of this study was to analyse health-related quality of life in patients with collagenous colitis. Methods: In a cross-sectional, postal HRQL s

Near Field Effects and Estimation of Poisson's Ratio in Impact-Echo Thickness Testing

Based on the polarization and shape of the first symmetric Lamb mode at the zero-group velocity point (S1-ZGV), a novel approach for Impact-Echo thickness testing is proposed. In this new approach all three plate parameters (thickness, velocity and Poisson's ratio) are estimated from the same wave mode (S1-ZGV). A traditional approach based on a measurement of the longitudinal-and Rayleigh wave ve

The massive O(N) non-linear sigma model at high orders

We extend our earlier work on the massive O(N) non-linear sigma model to other observables. We derive expressions at leading order in the large N expansion at all orders in the loop expansion for the decay constant, vacuum expectation value, meson meson scattering and the scalar and vector form factors. This is done using cactus diagram resummation using a generalized gap equation and other recurs

Transition probabilities and lifetimes in gold (Au I and Au II)

Radiative lifetimes of three odd-parity levels of neutral gold (Au I) and one odd-parity level of singly ionized gold (Au II), measured using the time-resolved laser-induced fluorescence technique, have allowed the testing of the reliability of a relativistic Hartree-Fock model of the atomic structure taking configuration interaction and core-polarization effects into account. The importance of th

Health-related quality of life in patients with different stages of liver disease induced by hepatitis C

Objective. Patients with hepatitis C have been shown to have impaired health-related quality of life (HRQoL). The aim of this study was to determine HRQoL in patients in different stages of hepatitis C virus (HCV) and to compare HRQoL in HCV cirrhosis with non-HCV-induced cirrhosis. Material and methods. Out of 489 consecutive patients who fulfilled the inclusion criteria, 472 (96%) agreed to part

The SF-6D health utility index in carpal tunnel syndrome.

Cost effectiveness is an important factor to consider when choosing between various hand surgical interventions. Health utility measures can be used to determine cost effectiveness. The SF-6D is a health utility index derived from 11 items of the SF-36 quality of life questionnaire; values range from 0.296 to 1.0 (“perfect” health). We evaluated the validity of the SF-6D in patients with carpal tu

Potential barrier effects in Cs 3d resonance photoemission of CsF

We present and discuss the Cs 3d X-ray absorption spectra and resonant photoelectron emission spectra of CsF. The resonant photoelectron spectra excited at the Cs 3d absorption maxima, exhibit a strong resonance behavior. The different behaviour of participator and spectator channels and interference effects of the 4d partial photoionisation cross-section at the 3d resonances are discussed. The ex

Molecular dynamics simulation of the effects of cytosine methylation on structure of oligonucleotides

Methylation of the cytosine bases in CpG dinucleotides of DNA is important in many cellular functions including gene regulation, chromosome inactivation, as well as in cancer and other diseases. In this report we investigate the structural effects of methylation of cytosines in CpG sites. Hereditary diseases are frequently caused by mutations in CpG dinucleotides. Aqueous solution molecular dynami

Studies into The Mechanisms of Neurodegeneration and Neuroprotection in Rd1 Mouse Retina.

Retinitis Pigmentosa (RP) is a group of uncured retinal diseases with the world wide incidence of about 1/3500. In spite of the huge efforts in past years, the mechanisms underlying this type of hereditary blindness has not been elucidated and nor any effective treatment available. The rd1 mouse strain carries a mutation in ?-subunit of phosphodiesterase gene which hydrolyzes the cGMP and is need

Experimental lifetime determination in neutral praseodymium (Pr I) and neodymium (Nd I)

Radiative lifetime measurements have been performed, with a time-resolved laser-induced fluorescence technique, for 18 even-parity levels of Pr I and 15 odd-parity levels of Nd I. The new results are compared with the few experimental data available in the literature and good agreement is found. However, fragmentary knowledge of the spectra prevents reliable calculation of branching fractions and

Absolute income, relative income, income inequality, and mortality

We test whether mortality is related to individual income, mean community income, and community income inequality, controlling for initial health status and personal characteristics. The analysis is based on a random sample from the adult Swedish population of more than 40, 000 individuals who were followed up for 10-17 years. We find that mortality decreases significantly as individual income inc

Theoretical evaluation of the Be-7,9(-) 2s2p(2) P-4(1/2,3/2,5/2) hyperfine structure parameters and Be 2s2p P-3(o) electron affinity

The hyperfine structures of Be-7,9(-) 2s2p(2) P-4(1/2,3/2,5/2) are investigated theoretically using the multiconfiguration Hartree-Fock and configuration interaction methods. The effects of the hyperfine mixing between the fine-structure J-levels are discussed. The feasibility of some atomic spectroscopy experiments, allowing determination of the Be-7 quadrupole moment from the observed hyperfine

Systematic clinical supervision of home carers working in the care of demented people who are at home: structure, content and effect as experienced by participants

AIM: The aim of this paper is to investigate structure, content and effects of systematic clinical supervision (SCS). BACKGROUND: Home care staff caring for people with dementia were offered SCS because the increasing number of elderly people with dementia increases the demands made on nurses. METHOD: Supervisors (n = 5) and SCS participants (n = 6) were interviewed and an additional 52 SCS partic

Sweden

Methodologies and legislative frameworks regarding the archaeological excavation, retrieval, analysis, curation and potential reburial of human skeletal remains differ throughout the world. As work forces have become increasingly mobile and international research collaborations are steadily increasing, the need for a more comprehensive understanding of different national research traditions, metho