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Новости за 24.03.2022

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Wind and route choice affect performance of bees flying above versus within a cluttered obstacle field

Plos.org 
En

by Nicholas P. Burnett, Marc A. Badger, Stacey A. Combes

Bees flying through natural landscapes frequently encounter physical challenges, such as wind and cluttered vegetation, but the influence of these factors on flight performance remains unknown. We analyzed 548 videos of wild-caught honeybees (Apis mellifera) flying through an enclosure containing a field of vertical obstacles that bees could choose to fly within (through open corridors, without maneuvering) or above. We varied obstacle field height and wind condition (still... Читать дальше...

A blockchain-based lightweight identity authentication scheme for the IEDs of security and stability control system

Plos.org 
En

by Zhaohan Li, June Li, Siyu Zhao, Xiong Chen, Ke Feng, Wang Wang

As an important part of the second defense line of the power system, the Security and Stability Control System (SSCS) is of great significance to ensure the reliable operation of the power system. However, SSCS still lacks an effective security mechanism and is easily accessed by attackers, thus posing a threat to the stable and reliable operation of the power system. To tackle this issue, we propose a blockchain-based identity... Читать дальше...

Burden of oral cancer in Asia from 1990 to 2019: Estimates from the Global Burden of Disease 2019 study

Plos.org 
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by Long Xie, Zhengjun Shang

Background

Oral cancer (OC) poses a threat to human health and imposes a heavy burden on countries. We assessed the burden imposed by OC on Asian nations from 1990 to 2019 based on gender and age.

Methods

We collected oral cancer data from the 2019 Global Burden of Disease study from 1990 to 2019 in 45 Asian countries and territories. Annual case data and age-standardised rates (ASRs) were used to investigate the incidence, mortality, and disability-adjusted... Читать дальше...



Clinical outcome of FIGO 2018 stage IB3/IIA2 cervical cancer treated by neoadjuvant chemotherapy followed by radical surgery due to lack of radiotherapy equipment: A retrospective comparison with concurrent chemoradiotherapy

Plos.org 
En

by Jing Zeng, Peisong Sun, Quanhong Ping, Shan Jiang, Yuanjing Hu

This study aimed to assess neoadjuvant chemotherapy’s clinical outcomes such as efficacy, toxicity, and survival outcomes followed by radical hysterectomy ((NACT-RS) among women with cervical cancer stage IB3 and IIA2, by comparing concurrent chemoradiotherapy (CCRT) and NACT-RS. The study retrospectively reviewed patients with (2018 FIGO) stage IB3 and IIA2 cervical cancer who received preoperative neoadjuvant chemotherapy... Читать дальше...

Understanding the psychological mechanisms of return to sports readiness after anterior cruciate ligament reconstruction

Plos.org 
En

by Bernard X. W. Liew, Julian A. Feller, Kate E. Webster

Purpose

The psychological response to an Anterior Cruciate Ligament (ACL) injury is significant and can negatively impact return to sports outcomes. This study aimed to quantify the association between factors associated with return to sport using network analysis.

Methods

441 participants who underwent primary ACL reconstruction. The 12-item ACL Return to Sport after Injury (ACL-RSI) scale was administered to all participants 12 months after surgery. Читать дальше...

A national survey on current clinical practice pattern of Korean Medicine doctors for treating obesity

Plos.org 
En

by Kyung Hwan Jegal, Mi Mi Ko, Bo-Young Kim, Mi Ju Son, Sungha Kim

Background and aims

Given the multifactorial nature of obesity, there is current interest on Korean medicine (KM) for weight loss. This survey aimed to investigate current practice patterns of KM treatment for obesity among doctors.

Methods

A questionnaire on clinical practice patterns of KM treatment for obesity was constructed and distributed to 21,788 KM doctors (KMDs). The questionnaire was consisted of respondent characteristics... Читать дальше...

Supplementation with dietary omega-3 PUFA mitigates fetal brain inflammation and mitochondrial damage caused by high doses of sodium nitrite in maternal rats

Plos.org 
En

by Jingchi Sun, Weishe Zhang

Objective

Food safety and nutrition during pregnancy are important concerns related to fetal brain development. In the present study, we aimed to explore the effects of omega-3 polyunsaturated fatty acids (PUFA ω-3) on exogenous sodium nitrite intervention-induced fetal brain injury in pregnant rats.

Methods

During pregnancy, rats were exposed to water containing sodium nitrite (0.05%, 0.15%, and 0.25%) to establish a fetal rat brain injury model. Inflammatory... Читать дальше...

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