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Interface Modification by GaO Atomic Layers within Er-Doped GeO Nanofilms for Enhanced Electroluminescence and Operation Stability.
ACS Appl Mater Interfaces
January 2025
School of Materials Science and Engineering, Tianjin Key Lab for Rare Earth Materials and Applications, Nankai University, Tianjin 300350, China.
For silicon-based devices using dielectric oxides doped with rare earth ions, their electroluminescence (EL) performance relies on the sufficient carrier injection. In this work, the atomic GaO layers are inserted within the Er-doped GeO nanofilms fabricated by atomic layer deposition (ALD). Both Ga(CH) and Ga(CH) could realize the ALD growth of GaO onto the as-deposited GeO nanofilm with unaffected deposition rates.
View Article and Find Full Text PDFBrain-wide mapping of c-Fos expression in nitroglycerin-induced models of migraine.
J Headache Pain
August 2024
Medical School of Chinese PLA, Beijing, 100853, China.
Article Synopsis
- Migraine, particularly chronic migraine (CM), is a complex neurological disorder with poorly understood causes, involving activation of specific brain regions like the insula and amygdala in response to pain.
- The study used nitroglycerin (NTG) to create a mouse model of chronic migraine and investigated the effects of a treatment called Olcegepant (OLC) on pain sensitivity and brain activity.
- Results indicated that OLC improved pain thresholds and reduced anxiety-like behaviors in the mice, with whole-brain imaging revealing significant activation in areas like the isocortex, somatomotor, and somatosensory regions, suggesting these as potential targets for future migraine treatments.
An intense electrical stimulus can elicit a StartReact effect but with decreased incidence and later onset of the startle reflex.
Exp Brain Res
October 2024
School of Human Kinetics, University of Ottawa, 200 Lees Ave, Ottawa, ON, K1N 6N5, Canada.
Planned actions can be triggered involuntarily by a startling acoustic stimulus (SAS), resulting in very short reaction times (RT). This phenomenon, known as the StartReact effect, is thought to result from the startle-related activation of reticular structures. However, other sensory modalities also can elicit a reflexive startle response.
View Article and Find Full Text PDFLow arousal threshold is associated with altered functional connectivity of the ascending reticular activating system in patients with obstructive sleep apnea.
Sci Rep
August 2024
Department of Neurology, Kyung Hee University College of Medicine, Kyung Hee University Hospital at Gangdong, 892 Dongnam-Ro, Gangdong-Gu, Seoul, 05278, Republic of Korea.
Article Synopsis
- A low arousal threshold (LAT) is a specific trait linked to obstructive sleep apnea (OSA), potentially connected to changes in brain connectivity, particularly in the brainstem and cortical areas.
- The study involved 25 OSA patients (some with and some without LAT) and 15 healthy controls, who underwent functional MRI to assess brain connectivity patterns after sleep monitoring.
- Findings indicated significant differences in connectivity between brainstem nuclei and cortical regions, with OSA patients showing stronger connections, particularly in areas associated with cholinergic activity, suggesting that this may influence LAT in these patients.
Neuron-Specific Enolase as a Biological Marker for Welders' Pneumoconiosis.
J Occup Environ Med
November 2024
From the Occupational and Environmental Medicine Department, Faculty of Medicine, Cairo University, Cairo, Egypt.
Objective: The aim of the study is to investigate the relationship between serum neuron-specific enolase (NSE) and welders' pneumoconiosis, through chest x-ray and serum NSE.
Methods: The exposed group included 37 welders. The nonexposed group included 38 administrative workers.
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