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2019

Новости за 24.05.2019

When a leader job resource can be ambivalent or even destructive: Independence at work as a double-edged sword

Plos.org 

by Paola Gatti, Michelle C. Bligh, Claudio G. Cortese

Independence at work is commonly considered a job resource which fosters motivation and employee well-being. Somewhat paradoxically, it is embedded in a relationship, and employees’ independence also hinges on their leaders’ willingness to grant it. Analyzing this resource as part of the leader-follower relationship can be useful in exploring its beneficial, ambivalent, or detrimental reciprocal effects. We present two Actor-Partner Interdependence... Читать дальше...

Judgments of effort for magical violations of intuitive physics

Plos.org 

by John McCoy, Tomer Ullman

People spend much of their time in imaginary worlds, and have beliefs about the events that are likely in those worlds, and the laws that govern them. Such beliefs are likely affected by people’s intuitive theories of the real world. In three studies, people judged the effort required to cast spells that cause physical violations. People ranked the actions of spells congruently with intuitive physics. For example, people judge that it requires more effort to conjure... Читать дальше...

Validity of three accelerometers to investigate lying, sitting, standing and walking

Plos.org 

by Karin Valkenet, Cindy Veenhof

Background

Hospital stays are associated with high levels of sedentary behavior and physical inactivity. To objectively investigate physical behavior of hospitalized patients, these is a need for valid measurement instruments. The aim of this study was to assess the criterion validity of three accelerometers to measure lying, sitting, standing and walking.

Methods

This cross-sectional study was performed in a university hospital. Participants carried... Читать дальше...

The X chromosome is necessary for ovule production in Silene latifolia

Plos.org 

by Paris Veltsos, Lynda F. Delph

Sex chromosomes stop recombining and accumulate differences over time. In particular, genes on the chromosome restricted to the heterogametic sex degenerate and become non-functional. Here, we investigated whether or not the degeneration of a plant Y chromosome was sufficient to cause ovules containing a Y to fail to develop, thereby eliminating the possibility of YY individuals. We used two genotypic assays to determine the genotype—XX, XY, or YY—of offspring... Читать дальше...



Optimization of TGF-β1-transduced chondrocytes for cartilage regeneration in a 3D printed knee joint model

Plos.org 

by Jiyong Ahn, Seon Ae Kim, Ki Won Kim, Joon Hyuck Oh, Seok Jung Kim

A cell therapy product of transforming growth factor (TGF)-β1-transduced chondrocytes has been commercialized to treat osteoarthritis of the knee via intra-articular injection. The need for arthroscopic application of the cells to simultaneously treat intra-articular pathologies of knee osteoarthritis is increasingly urgent. The purpose of this study was to optimize TGF-β1-transduced chondrocytes for arthroscopic application. Читать дальше...

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Врач дерматолог-косметолог Мадина Байрамукова: что делать, если вас ужалила медуза


Stop-codon read-through arises largely from molecular errors and is generally nonadaptive

Plos.org 

by Chuan Li, Jianzhi Zhang

Stop-codon read-through refers to the phenomenon that a ribosome goes past the stop codon and continues translating into the otherwise untranslated region (UTR) of a transcript. Recent ribosome-profiling experiments in eukaryotes uncovered widespread stop-codon read-through that also varies among tissues, prompting the adaptive hypothesis that stop-codon read-through is an important, regulated mechanism for generating proteome diversity. Here we propose and test... Читать дальше...

Establishing a computational biology flipped classroom

Plos.org 

by Phillip Compeau

In a flipped classroom, students complete automated modules to replace a traditional lecture, allowing the time devoted for the lecture to be devoted to constructive tasks reinforcing student knowledge. Yet although the flipped classroom offers a compelling approach for fostering a constructivist, student-centric learning environment, research on the efficacy of flipped classes has been mixed. For that matter, is it possible to successfully flip a classroom in an advanced... Читать дальше...


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Елена Рыбакина впервые в 2024 году сыграла на Уимблдоне






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