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Новости за 22.02.2020

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A solution to minimum sample size for regressions

Plos.org 
En

by David G. Jenkins, Pedro F. Quintana-Ascencio

Regressions and meta-regressions are widely used to estimate patterns and effect sizes in various disciplines. However, many biological and medical analyses use relatively low sample size (N), contributing to concerns on reproducibility. What is the minimum N to identify the most plausible data pattern using regressions? Statistical power analysis is often used to answer that question, but it has its own problems and logically should follow... Читать дальше...

The MsrAB reducing pathway of Streptococcus gordonii is needed for oxidative stress tolerance, biofilm formation, and oral colonization in mice

Plos.org 
En

by Naif Jalal, Song F. Lee

The ability of Streptococcus gordonii to cope with oxidative stress is important for survival and persistence in dental plaque. In this study, we used mutational, phenotypic, and biochemical approaches to characterize the role of a methionine sulfoxide reductase (MsrAB) and proteins encoded by genes in the msrAB operon and an adjacent operon in oxidative stress tolerance in S. gordonii. The results showed that MsrAB and four other proteins encoded in the operons... Читать дальше...



The immediate effects of kinesiology taping on cutaneous blood flow in healthy humans under resting conditions: A randomised controlled repeated-measures laboratory study

Plos.org 
En

by Gourav Banerjee, Michelle Briggs, Mark I. Johnson

Background

Kinesiology taping (KT) is used in musculoskeletal practice for preventive and rehabilitative purposes. It is claimed that KT improves blood flow in the microcirculation by creating skin convolutions and that this reduces swelling and facilitates healing of musculoskeletal injuries. There is a paucity of physiological studies evaluating the effect of KT on cutaneous blood microcirculation.

Objectives

The purpose of this... Читать дальше...

An optimization model for fleet sizing and empty pallet allocation considering CO2 emissions

Plos.org 
En

by Jianwei Ren, Chunhua Chen, Jian Gao, Chenxi Feng

Pallets are the most common equipment for transporting and storing goods. More and more companies are willing to rent pallets. Pallet rental companies need to transport pallets from their pallet rental service stations to customers and take these pallets back when they are unloaded. Hence, managers should scientifically configure vehicles for their pallet rental service stations. The fleet size, which indicates the amount and types of vehicles... Читать дальше...

Consumer preference to utilise a mobile health app: A stated preference experiment

Plos.org 
En

by David Lim, Richard Norman, Suzanne Robinson

Background

One prominent barrier faced by healthcare consumers when accessing health services is a common requirement to complete repetitive, inefficient paper-based documentation at multiple registration sites. Digital innovation has a potential role to reduce the burden in this area, through the collection and sharing of data between healthcare providers. While there is growing evidence for digital innovations to potentially improve the effectiveness and efficiency of health systems... Читать дальше...

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Москва

Красные арки, синяя подсветка. В Москве строят новые пешеходные мосты


Rapid implicit extraction of abstract orthographic patterns of Chinese characters during reading

Plos.org 
En

by Xiaochen Zhang, Siqin Yang, Minghu Jiang

Orthographic processing is crucial in reading. For the Chinese language, sub-lexical processing has already taken place at radical level. Previous literature reported early position-specific radical representations and later position-general radical representations, implying a possible separating process of abstract position information irrespective of radicals per se from radical representations during orthographic processing. However, it remains... Читать дальше...


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