Research on the magnetoelectric (ME) effect (or spin-electric coupling) in molecule-based magnetic materials is a relatively nascent but promising topic. Molecule-based magnetic materials have diverse magnetic functionalities that can be coupled to electrical properties. Here we investigate a realization of ME coupling that is fundamental but not heavily studied─the coupling of magnetic spin level crossings to changes in electric polarization.
View Article and Find Full Text PDFThe coronavirus disease 2019 (COVID-19) pandemic has driven major advances in virus research. The role of glycans in viral infection has been revealed, with research demonstrating that terminal sialic acids are key receptors during viral attachment and infection into host cells. However, there is an urgent demand for universal tools to study the mechanism of sialic acids in viral infections, as well as to develop therapeutic agents against epidemic viruses through the downregulation of terminal sialic acid residues on glycans acting as a glyco-virus checkpoint to accelerate virus clearance.
View Article and Find Full Text PDFBackground: Valve-sparing root replacement (VSRR) requires a unique skill set. This study aimed to examine the influence of surgeon's procedural volume on outcomes of VSRR.
Methods: This retrospective study included 1697 patients from 2 large, high-volume aortic centers who underwent aortic root replacement (ARR) between 2004 and 2021 and were potentially eligible for VSRR.
Front Endocrinol (Lausanne)
November 2024
Granulosa cells in the ovaries of livestock are crucial for secreting steroid hormones that regulate follicular development, with lipid synthesis and metabolism playing key roles in this process. The molecular mechanisms behind steroid hormone secretion regulated by fatty acid metabolism in goat granulosa cells have been unclear. Our previous transcriptome analysis of Yunshang black goat ovaries revealed that miR-novel-216, which had lower expression in high-fertility goats, might regulate granulosa cell function.
View Article and Find Full Text PDFObjectives: To investigate the clinical value of hemodynamic parameters derived from dynamic contrast-enhanced MRI (DCE-MRI) in predicting glioma genotypes including isocitrate dehydrogenase () mutation, codeletion status and the tumor proliferation index () noninvasively. And to compare the diagnostic performance of parameters of distributed parameter (DP)model and extended Tofts (Ex-Tofts) model.
Materials And Methods: Dynamic contrast-enhanced MRI (DCE-MRI) data of patients with glioma were prospectively enrolled from April 2021 to May 2023.
Existing research on the post-heating processing of fermented milk has primarily focused on single post-heating treatments and the texture, while research on how changes in metabolites during different post-heating treatments affect flavor and sensory properties is limited. This study investigates the changes in volatile metabolites in fermented milk treated at different post-heating temperatures to determine the characteristic aroma types and analyzes the changes in non-volatile metabolites associated with aroma-active compounds or their precursors to clarify the causes of the altered flavor and sensory properties. The results showed that in the 65 °C and 75 °C treatments, 63 volatile compounds were produced by Strecker degradation, lipid oxidation and esterification to produce ketones and aldehydes.
View Article and Find Full Text PDFBackground: Cardiac microvascular damage is substantially related with the onset of myocardial ischaemia-reperfusion (IR) injury. Reportedly, allicin (AL) effectively protects the cardiac microvascular system from IR injury. However, the unsatisfactory therapeutic efficacy of current drugs and insufficient drug delivery to the damaged heart are major concerns.
View Article and Find Full Text PDFEco Environ Health
December 2024
Plastic pollution is widely present in terrestrial and aquatic ecosystems, and microplastics (MPs) can be detected in organisms. detection methods for MPs in organisms have attracted widespread attention. Traditional imaging characterization methods of MPs, including stereo microscopes and fluorescence microscopy, are typically used to image artificially added microsphere standards under laboratory conditions.
View Article and Find Full Text PDFReal-time quantitative reverse transcription polymerase chain reaction (RT-qPCR) plays a crucial role in relative gene expression analysis, and accurate normalization relies on suitable reference genes (RGs). In this study, a pipeline for identifying candidate RGs from publicly available stem-related RNA-Seq data of different species under various developmental and abiotic stress conditions is presented. DESeq2's median of ratios yielded the smallest coefficient of variance (CV) values in a total of 292 RNA-Seq samples and was therefore chosen as the method for sample normalization.
View Article and Find Full Text PDFBackground: Standardized training for resident physicians (STRP) is essential for improving their clinical skills. The standardized training for resident physicians in emergency medicine differs from other disciplines, focusing more on knowledge related to medical emergencies and emergency care skills requiring urgency and real-time response. There are specific differences in knowledge content, teaching methods, curriculum design, and career development compared to other specialties.
View Article and Find Full Text PDFBackground: Circular RNAs (circRNAs) are differentially expressed in various cardiovascular diseases, including myocardial infarction (MI) injury. However, their functional role in necroptosis-induced loss of cardiomyocytes remains unclear. We identified a cardiac necroptosis-associated circRNA transcribed from the Cacna1c gene (circCacna1c) to investigate the involvement of circRNAs in cardiomyocyte necroptosis.
View Article and Find Full Text PDFTetracycline antibiotics (TCs) are typically present at low residue levels in environmental water, necessitating enrichment prior to analysis. In this study, a Cu-doped melamine formaldehyde resin (Cu-MFR) was synthesized to enhance the adsorption efficiency for TCs, leveraging the formation of stable Cu-TC complexes on the sorbent surface. Then it was used as an adsorbent in solid-phase extraction (SPE) for the enrichment of four TCs from water samples.
View Article and Find Full Text PDFAngew Chem Int Ed Engl
November 2024
Lanthanide-containing clusters are synthetically challenging and with significant chemical and materials applications. Herein, two isostructural heterometallic clusters of the formula (NO)@[LnNi(OH)(IDA)(CHCOO)(NO)(HO)]Cl⋅xHO⋅yCHOH (IDA=iminodiacetate; Ln=Gd 1, x=110, y=0; Ln=Eu 2, x=95, y=40) were obtained via co-hydrolysis of Ln (Gd or Eu) and Ni in the presence of iminodiacetate (IDA). Crystallographic studies show that each features a truncated tetrahedral core of LnNi within which a void of 1.
View Article and Find Full Text PDFBackground: Microsporidia is an obligate intracellular eukaryote, which is capable of parasitizing vertebrates and invertebrates. Nosema ceranae, which can infect both Apis mellifera and Apis cerana, poses a serious threat and causes heavy losses to the worldwide apiculture. During infection, polar tube, a highly specialized invasion structure, ejected from the spore to deliver the sporoplasm into host cells to cause infection.
View Article and Find Full Text PDFNeutrophil extracellular traps (NETs) are web-like complexes of DNA and proteins that are extruded by activated neutrophils and play critical roles as major components of the innate immune response against pathogen invasion. However, some microbes have developed strategies to evade NET attacks, leading to impaired immune defenses and persistent infections. In this study, an engineered neutrophil strategy for enhancing the antibacterial activity of NETs is developed.
View Article and Find Full Text PDFThe chemical property of the buried interface plays a crucial role in improving the performance and stability of perovskite solar cells (PSCs). The SnO/perovskite interface prepared from SnO alkaline hydrogel with high proton affinity triggers directional migration and irreversible reactions of protons, exacerbating the disintegration of perovskite crystal. In this study, we proposed proton precompensation strategy to suppress the deprotonation effect of the buried interface and improve the durability of the devices.
View Article and Find Full Text PDFZhonghua Yi Xue Yi Chuan Xue Za Zhi
November 2024
Objective: To explore the genetic etiology and clinical phenotype of a child with Triadin knockout syndrome (TKOS), and to review the relevant literature of TKOS patients due to variants of TRDN gene.
Methods: A child who was admitted to the Children's Hospital of Xi'an Jiaotong University on March 19, 2023 due to sudden cardiac arrest 3 days earlier was selected as the study subject. Peripheral blood samples (2 to 3 mL) were collected from the child and her parents for the extraction of genomic DNA and whole exome sequencing (WES).
Activated carbon fiber (ACF) is a fibrous activated carbon (AC) characterized by high specific surface area (SSA), abundant micropore structure, and excellent machinability, making it an ideal electrode material. This work provided a theoretical basis for the sustainable and large-scale production of high-performance ACF from natural cellulose through fibrillation treatment, papermaking techniques, and CO activation. The effect of fiber fibrillation degree on ACF's structure and electrochemical performance was investigated in detail.
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