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Impact of Ce Doping on the Relaxor Behavior and Electrical Properties of SrBaNbO Ferroelectric Ceramics.
Materials (Basel)
December 2024
School of Physics and Electronic Information, Yan'an University, Yan'an 716000, China.
In this work, the rare earth element Ce was incorporated into the A-site of SrBaNbO ferroelectric ceramics, which was prepared using the conventional solid state reaction method and sintered under different procedures. A comprehensive investigation was conducted to assess the impact of Ce doping and varying sintering procedures on both the relaxor characteristics and electrical properties of the ceramics. When sintered at 1300 °C for 4 h, the grains exhibited an isometric shape.
View Article and Find Full Text PDFNon-invasive methods for diagnosing pregnancy in cows and their real value.
Pol J Vet Sci
December 2024
Nicolaus Copernicus University Veterinary Clinic, Szosa Bydgoska 13, 87-100 Toruń, Poland.
Proper management of cattle reproduction has a major impact on the efficiency and profitability of dairy production. Ultrasound examination and transrectal palpation or the pregnancy-associated glycoprotein (PAG) test are currently the most commonly used methods for pregnancy diagnosis. However, alternative methods to those mentioned above are constantly being sought in order to minimise stress during the examination, the cost of veterinary services and to reduce the rate of errors in pregnancy diagnosis.
View Article and Find Full Text PDF3D-printed zinc oxide nanoparticles modified barium titanate/hydroxyapatite ultrasound-responsive piezoelectric ceramic composite scaffold for treating infected bone defects.
Bioact Mater
March 2025
Department of Oral, Plastic and Aesthetic Surgery, Hospital of Stomatology, Jilin University, Changchun, 130021, China.
Clinically, infectious bone defects represent a significant threat, leading to osteonecrosis, severely compromising patient prognosis, and prolonging hospital stays. Thus, there is an urgent need to develop a bone graft substitute that combines broad-spectrum antibacterial efficacy and bone-inductive properties, providing an effective treatment option for infectious bone defects. In this study, the precision of digital light processing (DLP) 3D printing technology was utilized to construct a scaffold, incorporating zinc oxide nanoparticles (ZnO-NPs) modified barium titanate (BT) with hydroxyapatite (HA), resulting in a piezoelectric ceramic scaffold designed for the repair of infected bone defects.
View Article and Find Full Text PDFThe Multichannel Intraoesophageal Impedance Transit Concept.
Cureus
November 2024
Faculty of Life Sciences and Medicine, King's College London, London, GBR.
Introduction/aims The multichannel intraoesophageal impedance transit (MIIT) is a new clinical concept that is being introduced to measure the oesophageal transit during a 24-hour multichannel impedance-pH (MII-pH) study. Methods MIIT was tested in a case-control study between January 2020 and December 2023. A laboratory test was first conducted to determine the saline baseline impedance (SBI) using MII-pH catheters.
View Article and Find Full Text PDFEnhancing wound healing through sonodynamic silver/barium titanate heterostructures-loading gelatin/PCL nanodressings.
Int J Biol Macromol
December 2024
Center for Evidence-Based and Translational Medicine, Zhongnan Hospital of Wuhan University, Wuhan 430071, China. Electronic address:
Bacterial infections present a formidable challenge in surgical procedures, and are a major threat to wound healing. Sonodynamic therapy (SDT) is a non-invasive approach for fighting pathogens; however, it is hindered by the efficiency of sonosensitizers and effective antibacterial time. In this study, we developed a biocompatible nanodressing to improve the antibacterial efficacy and accelerate wound healing via SDT.
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