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2019

Новости за 25.07.2019

Disutility associated with cancer screening programs: A systematic review

Plos.org 

by Lin Li, J. L. (Hans) Severens, Olena Mandrik

Objectives

Disutility allows to identify how much population values intervention-related harms contributing to knowledge on the benefits/harms ratio of cancer screening programs. This systematic review evaluates disutility related to cancer screening applying a utility theory framework.

Methods

Using a predefined protocol, Embase, Medline Ovid, Web of Science, Cochrane, Google scholar and supplementary sources were systematically searched. Читать дальше...

Social networks, health-promoting behaviors, and health-related quality of life in older adults with and without arthritis

Plos.org 

by Minjoo Hong, Hyewon Shin, Jennie C. De Gagne

The purpose of this secondary analysis study was to compare social networks, health-promoting behaviors, and health-related quality of life of South Korean adults, aged 65 years or older, with and without arthritis, and to identify factors that are related to health-related quality of life. The sample consisted of 103 adults with arthritis and 123 adults without arthritis. Data were analyzed using a two-way analysis of variance, χ2-test, Pearson’s correlation... Читать дальше...

Comparison of surgical dose response between divergence insufficiency esotropia and non-accommodative esotropia without divergence insufficiency

Plos.org 

by Kyung-Ah Park, Ga-In Lee, Sei Yeul Oh

Background

The study compared the surgical dose-response relationship for divergence insufficiency esotropia (DIE) and non-accommodative esotropia without divergence insufficiency (non-DIE).

Methods

We carried out a retrospective review of a group of patients with DIE and non-DIE who underwent recession surgery of the medial rectus muscle in both eyes. Linear regression analysis compared surgical dose–response between the two groups.

Results

In the 15 patients with DIE... Читать дальше...



Control of neural probe shank flexibility by fluidic pressure in embedded microchannel using PDMS/PI hybrid substrate

Plos.org 

by S. Rezaei, Y. Xu, S. W. Pang

Implantable neural probes are widely used to record and stimulate neural activities. These probes should be stiff enough for insertion. However, it should also be flexible to minimize tissue damage after insertion. Therefore, having dynamic control of the neural probe shank flexibility will be useful. For the first time, we have successfully fabricated flexible neural probes with embedded microfluidic channels for dynamic control of neural probe stiffness by controlling fluidic pressure in the channels. Читать дальше...

The influence of quality of work life on motivation and retention of local government tuberculosis control programme supervisors in South-eastern Nigeria

Plos.org 

by Daniel Chukwuemeka Ogbuabor, Ijeoma Lewechi Okoronkwo

Introduction

Significant gap exists in knowledge about employee-centred human resources practices that address motivation and retention of local government tuberculosis control programme supervisors (LGTBS) in Nigeria. The study examined the role of quality of worklife (QWL) in motivating and retaining LGTBS.

Materials and methods

The study was conducted in south-eastern region of Nigeria comprising five states and 95 local government areas. Читать дальше...

Measuring network rewiring over time

Plos.org 

by Yicheol Han, Stephan J. Goetz

Recent years have seen tremendous advances in the scientific study of networks, as more and larger data sets of relationships among nodes have become available in many different fields. This has led to pathbreaking discoveries of near-universal network behavior over time, including the principle of preferential attachment and the emergence of scaling in complex networks. Missing from the set of network analysis methods to date is a measure that describes for... Читать дальше...

Prevalence, epidemiology and molecular studies of Tomato chlorosis virus (ToCV) in South Africa

Plos.org 

by Vaneson Moodley, Augustine Gubba, Paramu L. Mafongoya

Criniviruses accumulate in the phloem tissue and damage crops by reducing chlorophyll which is essential for plant growth and development. Tomato chlorosis crinivirus (ToCV) is vectored by several whitefly species that damage tomato crops throughout the world. In South Africa, ToCV is a poorly studied pathogen of global economic importance. Therefore, a national survey was initiated to investigate the occurrence and distribution of... Читать дальше...

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«Турбозавры» поучаствовали в Дне московского транспорта


Foraging as an evidence accumulation process

Plos.org 

by Jacob D. Davidson, Ahmed El Hady

The patch-leaving problem is a canonical foraging task, in which a forager must decide to leave a current resource in search for another. Theoretical work has derived optimal strategies for when to leave a patch, and experiments have tested for conditions where animals do or do not follow an optimal strategy. Nevertheless, models of patch-leaving decisions do not consider the imperfect and noisy sampling process through which an animal gathers information... Читать дальше...

Predictions of time to HIV viral rebound following ART suspension that incorporate personal biomarkers

Plos.org 

by Jessica M. Conway, Alan S. Perelson, Jonathan Z. Li

Antiretroviral therapy (ART) effectively controls HIV infection, suppressing HIV viral loads. Suspension of therapy is followed by rebound of viral loads to high, pre-therapy levels. However, there is significant heterogeneity in speed of rebound, with some rebounds occurring within days, weeks, or sometimes years. We present a stochastic mathematical model to gain insight into these post-treatment dynamics, specifically characterizing... Читать дальше...


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