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Новости за 21.09.2022

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Numerical study of magnetic hyperthermia ablation of breast tumor on an anatomically realistic breast phantom

Plos.org 
En

by Reza Rahpeima, Chao-An Lin

Magnetic fluid hyperthermia (MFH) is a novel reliable technique with excellent potential for thermal therapies and treating breast tumours. This method involves injecting a magnetic nanofluid into the tumour and applying an external AC magnetic field to induce heat in the magnetic nanoparticles (MNPs) and raise the tumour temperature to ablation temperature ranges. Because of the complexity of considering and coupling all different physics involves in this phenomenon... Читать дальше...

Improving classification and reconstruction of imagined images from EEG signals

Plos.org 
En

by Hirokatsu Shimizu, Ramesh Srinivasan

Decoding brain activity related to specific tasks, such as imagining something, is important for brain computer interface (BCI) control. While decoding of brain signals, such as functional magnetic resonance imaging (fMRI) signals and electroencephalography (EEG) signals, during observing visual images and while imagining images has been previously reported, further development of methods for improving training, performance, and interpretation of brain data was the goal of this study. Читать дальше...

Cervical cancer management in Zimbabwe (2019–2020)

Plos.org 
En

by Petmore Zibako, Nomsa Tsikai, Sarah Manyame, Themba G. Ginindza

Background

Globally, cervical cancer is the fourth most commonly diagnosed cancer amongst women, and it is especially common in low- and middle-income countries (LMICs). The aim of the study was to determine the current patterns and characteristics of CC management in Zimbabwe in the HIV pandemic era, including the knowledge, attitude and practice of patience.

Methods

The study was a mixed method which incorporated... Читать дальше...

HLA-DRB1: A new potential prognostic factor and therapeutic target of cutaneous melanoma and an indicator of tumor microenvironment remodeling

Plos.org 
En

by Huiling Deng, Yuxuan Chen, Jiecong Wang, Ran An

Cutaneous melanoma (CM) is the most common skin cancer and one of the most aggressive cancers and its incidence has risen dramatically over the past few decades. The tumor microenvironment (TME) plays a crucial role in the occurrence and development of cutaneous melanoma. Nevertheless, the dynamics modulation of the immune and stromal components in the TME is not fully understood. In this study, 471 CM samples were obtained from TCGA database... Читать дальше...

Perceptions and knowledge of breast cancer and breast self-examination among young adult women in southwest Ethiopia: Application of the health belief model

Plos.org 
En

by Kenzudin Assfa Mossa

Background

Breast cancer is still a recognized public health issue in Ethiopia. Despite this, the viewpoints and comprehensions of young women about the situation are unknown. Therefore, this study was carried out to assess the knowledge and perceptions of young adult women in Southwest Ethiopia about breast cancer and breast self-examination (BSE).

Methods

A community-based cross-sectional study was carried out in the Gurage zone, southwest Ethiopia, in 2021. Читать дальше...



Assistance dogs for military veterans with PTSD: A systematic review, meta-analysis, and meta-synthesis

Plos.org 
En

by Sarah C. Leighton, Leanne O. Nieforth, Marguerite E. O’Haire

Psychiatric assistance dogs for military veterans with posttraumatic stress disorder (PTSD) currently make up over 19% of assistance dog partnerships globally. We conducted a systematic review of the literature relating to these partnerships, with specific aims to (1) summarize their characteristics, (2) evaluate the quality of existing evidence, and (3) summarize outcomes. A total of 432 records were independently screened (Cohen’s kappa = 0.90). Of these... Читать дальше...

Using machine learning to determine the shared and unique risk factors for marijuana use among child-welfare versus community adolescents

Plos.org 
En

by Sonya Negriff, Bistra Dilkina, Laksh Matai, Eric Rice

Objective

This study used machine learning (ML) to test an empirically derived set of risk factors for marijuana use. Models were built separately for child welfare (CW) and non-CW adolescents in order to compare the variables selected as important features/risk factors.

Method

Data were from a Time 4 (Mage = 18.22) of longitudinal study of the effects of maltreatment on adolescent development (n = 350; CW = 222; non-CW = 128; 56%male). Читать дальше...

Новости России

Microbiome complexity shapes metabolism

Plos.org 
En

by Lev Litichevskiy, Christoph A. Thaiss

Equipped with a novel isolator-housed metabolic cage system, a study in PLOS Biology assessed how the metabolism of mice harboring a defined minimal microbial community (OligoMM12) differs from that of germ-free and conventionally colonized mice. How does the metabolism of mice with a minimal microbial community compare to that of germ-free and conventionally colonized mice? This Primer explores a study in PLOS Biology which uses a novel isolator-housed metabolic cage system to find out.


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