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Piezoelectric Nanoarrays with Mechanical-Electrical Coupling Microenvironment for Innervated Bone Regeneration.
ACS Appl Mater Interfaces
January 2025
School of Food Science and Engineering, South China University of Technology, Guangzhou 510641, China.
The involvement of neurons in the peripheral nervous system is crucial for bone regeneration. Mimicking extracellular matrix cues provides a more direct and effective strategy to regulate neuronal activity and enhance bone regeneration. However, the simultaneous coupling of the intrinsic mechanical-electrical microenvironment of implants to regulate innervated bone regeneration has been largely neglected.
View Article and Find Full Text PDFSurgical management of dysphagia due to diffuse idiopathic skeletal hyperostosis: the role of barium swallow fluoroscopy-a case report.
J Spine Surg
December 2024
Spine Clinic, Elsan Jean Villar Private Hospital, Bordeaux, France.
Background: Diffuse idiopathic skeletal hyperostosis (DISH) is a systemic condition that might lead to dysphagia because of massive osteophytes that may be present at multiple levels. Confirming the symptomatic level to guide surgical management and avoid extensive surgery is important, however, there is no globally accepted consensus on the topic.
Case Description: We report the case of a 51-year-old man, with no specific past medical history, who has been complaining of a 3-months pain in the left side of the tongue base with sensation of a lump in the throat and dysphagia.
Low-temperature phase (β-form) barium borate (BBO) is one of the most important nonlinear crystals that has been widely used for optical second-harmonic generation (SHG), especially with femtosecond sources. There was growing interest in its applications in the direct generation of terahertz (THz) radiations, but it was hindered by the lack of knowledge of its basic properties in the THz range. In a recent study based on first-principles quantum chemistry calculation, we found that the theoretically calculated refractive indices of β-BBO in the THz frequency range do not agree with the previously reported values.
View Article and Find Full Text PDFWe report lasing action in a femtosecond-laser-inscribed waveguide in thulium-doped barium-gallium-germanium oxide (BGG) glass. A laser cavity was assembled with this waveguide that provided a single-mode output of 62 mW when pumped at 1.6 µm.
View Article and Find Full Text PDFBarriers affecting the quality and consistency of barium studies in radiologists and registrars.
Abdom Radiol (NY)
January 2025
SA Health, Adelaide, Australia.
The barium swallow study is a fluoroscopic study which provides valuable insights into the motility, function and morphology of the pharynx, oesophagus, gastroesophageal junction, proximal stomach and duodenum. It has been observed that the skill of radiology doctors with barium swallow studies in adults has diminished. This reduced proficiency with barium swallow study is closely linked to and perpetuated by the heterogeneity of technique amongst radiologists.
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