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Новости за 25.07.2022

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An electronic transition-based bare bones particle swarm optimization algorithm for high dimensional optimization problems

Plos.org 
En

by Hao Tian, Jia Guo, Haiyang Xiao, Ke Yan, Yuji Sato

An electronic transition-based bare bones particle swarm optimization (ETBBPSO) algorithm is proposed in this paper. The ETBBPSO is designed to present high precision results for high dimensional single-objective optimization problems. Particles in the ETBBPSO are divided into different orbits. A transition operator is proposed to enhance the global search ability of ETBBPSO. The transition behavior of particles gives the swarm more chance to escape from local minimums. Читать дальше...

Investigating racial bias within Australian rules football commentary

Plos.org 
En

by Scott A. MacLeod, Philip W. S. Newall

International research has shown that live sports commentary exhibits racial bias. Specifically, non-White players are more likely to be praised in terms of their physicality, while White players are more likely to be praised in terms of their intellect and character. The current study, which utilised a quantitative content analysis design, examined whether the speech of AFL commentators exhibited racial bias. The study randomly selected 50 men’s AFL... Читать дальше...

Авторские публикации Smi24.net

Time trend analysis of perinatal mortality, stillbirth, and early neonatal mortality of multiple pregnancies for each gestational week from the year 2000 to 2019: A population-based study in Japan

Plos.org 
En

by Eijiro Hayata, Masahiko Nakata, Mineto Morita

Multiple pregnancies pose a high risk of morbidity and mortality in both mothers and infants; thus, obtaining reliable information based on a large population is essential to improve management. We used the maternal and child health statistics, which are published annually, from the database of the Ministry of Health, Labor, and Welfare. The data obtained were aggregated in 5-year intervals, and we used them to analyze the proportion of the... Читать дальше...

A simple method for the preparation of positive samples to preliminarily determine the quality of phosphorylation-specific antibody

Plos.org 
En

by Yang Han, Lin Zhong, Fuli Ren

Protein phosphorylation is one of the most common and important post-translational modifications and is involved in many biological processes, including DNA damage repair, transcriptional regulation, signal transduction, and apoptosis regulation. The use of antibodies targeting phosphorylated protein is a convenient method to detect protein phosphorylation. Therefore, high-quality antibodies are essential, and uniform and effective standards are urgently needed... Читать дальше...



Associated factors of the co-occurrence of trachoma and soil-transmitted helminthiases in children 1 to 9 years old in rural communities of the Amazon basin in Loreto Department, Peru: Results from a population-based survey

Plos.org 
En

by Martha Idalí Saboyá-Díaz, Cristiam Armando Carey Angeles, Rosario del Socorro Avellaneda Yajahuanca, Salvith Karen Meléndez Ruíz, Rufino Cabrera, Harvy Alberto Honorio Morales, Paul E. Pachas, Monica Guardo, Kristen K. Renneker, Beatriz E. Muñoz, Sheila K. West

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Cytidinediphosphate diacylglycerol synthase—Mediated phosphatidic acid metabolism is crucial for early embryonic development of Arabidopsis

Plos.org 
En

by Xin-Qiao Du, Hong-Yan Yao, Pan Luo, Xing-Chun Tang, Hong-Wei Xue

Embryonic development is a key developmental event in plant sexual reproduction; however, regulatory networks of plant early embryonic development, particularly the effects and functional mechanisms of phospholipid molecules are still unknown due to the limitation of sample collection and analysis. We innovatively applied the microspore-derived in vitro embryogenesis of Brassica napus and revealed the dynamics of phospholipid molecules... Читать дальше...

Motor defects in a Drosophila model for spinal muscular atrophy result from SMN depletion during early neurogenesis

Plos.org 
En

by Stuart J. Grice, Ji-Long Liu

Spinal muscular atrophy (SMA) is the most common autosomal recessive neurodegenerative disease, and is characterised by spinal motor neuron loss, impaired motor function and, often, premature death. Mutations and deletions in the widely expressed survival motor neuron 1 (SMN1) gene cause SMA; however, the mechanisms underlying the selectivity of motor neuron degeneration are not well understood. Although SMA is degenerative in nature, SMN function during embryonic... Читать дальше...

A model for the intrinsic limit of cancer therapy: Duality of treatment-induced cell death and treatment-induced stemness

Plos.org 
En

by Erin Angelini, Yue Wang, Joseph Xu Zhou, Hong Qian, Sui Huang

Intratumor cellular heterogeneity and non-genetic cell plasticity in tumors pose a recently recognized challenge to cancer treatment. Because of the dispersion of initial cell states within a clonal tumor cell population, a perturbation imparted by a cytocidal drug only kills a fraction of cells. Due to dynamic instability of cellular states the cells not killed are pushed by the treatment into a variety of functional states... Читать дальше...

Chemophoresis engine: A general mechanism of ATPase-driven cargo transport

Plos.org 
En

by Takeshi Sugawara, Kunihiko Kaneko

Cell polarity regulates the orientation of the cytoskeleton members that directs intracellular transport for cargo-like organelles, using chemical gradients sustained by ATP or GTP hydrolysis. However, how cargo transports are directly mediated by chemical gradients remains unknown. We previously proposed a physical mechanism that enables directed movement of cargos, referred to as chemophoresis. According to the mechanism, a cargo with reaction sites... Читать дальше...

The computational relationship between reinforcement learning, social inference, and paranoia

Plos.org 
En

by Joseph M. Barnby, Mitul A. Mehta, Michael Moutoussis

Theoretical accounts suggest heightened uncertainty about the state of the world underpin aberrant belief updates, which in turn increase the risk of developing a persecutory delusion. However, this raises the question as to how an agent’s uncertainty may relate to the precise phenomenology of paranoia, as opposed to other qualitatively different forms of belief. We tested whether the same population (n = 693) responded similarly to... Читать дальше...

The dopamine circuit as a reward-taxis navigation system

Plos.org 
En

by Omer Karin, Uri Alon

Studying the brain circuits that control behavior is challenging, since in addition to their structural complexity there are continuous feedback interactions between actions and sensed inputs from the environment. It is therefore important to identify mathematical principles that can be used to develop testable hypotheses. In this study, we use ideas and concepts from systems biology to study the dopamine system, which controls learning, motivation, and movement. Using... Читать дальше...

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Бастрыкин потребовал представить отчет по инциденту с футбольным игроком в Щелково Собянин: Стартовало строительство путепровода через пути МЦД-2 от улицы 8 Марта до улицы Приорова «Внимание! Марш!»: в Ставрополе сотни поклонников лёгкой атлетики совершили «ЗОбег» на 5 и 10 км Собянин: Москвичи голосуют за участие в международных выставках 2025 года

Iran foreign minister to visit Kuwait in near future: envoy

En.mehrnews.com 
En

TEHRAN, Jul. 25 (MNA) – Iran's ambassador to Kuwait said that FM Amir-Abdollahian's visit to Kuwait will probably take place in the coming weeks to discuss bilateral relations and developments in the region with Kuwaiti officials.

How Does The James Webb Telescope Phone Home? - Hackaday

Top Stories (uk) - Google News (ru) 
En

  1. How Does The James Webb Telescope Phone Home?  Hackaday
  2. How a small team in Baltimore brought the Webb telescope’s images to life  The Independent
  3. A Victoria astrophysicist explains the James Webb Space Telescope images  CBC Vancouver
  4. Two Weeks In, the Webb Space Telescope Is Reshaping Astronomy  Quanta Magazine
  5. Viewpoint: The importance of the James Webb Space Telescope  KTVB
  6. View Full coverage on Google News

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