Results 61 to 70 of about 144,411 (289)

Smart Nanotechnologies for Multimodal Neuromodulation and Brain Interfacing

open access: yesAdvanced Science, EarlyView.
Recent advances in smart nanotechnologies are expanding the toolbox for brain interfacing, from wireless neuromodulation and high‐resolution sensing to targeted delivery within the central nervous system. By combining responsive nanomaterials with bioinspired design, these platforms enable multimodal interactions with neurons and glia, while also ...
Tommaso Curiale   +6 more
wiley   +1 more source

Case Report: Hepatic Abscess in Beaver Tail Variant, an Unusual Cause of Left Upper Quadrant Pain

open access: yesIatreia
Introduction: Abdominal pain in the left hypochondrium is commonly associated with renal conditions such as pyelonephritis or urolithiasis, and gastric problems, such as perforated ulcers.
Alvarez Gärtner, Nicolás   +2 more
doaj   +1 more source

Improving Stress and Positive Mental Health at Work via an App-Based Intervention: A Large-Scale Multi-Center Randomized Control Trial

open access: yesFrontiers in Psychology, 2019
Mobile health interventions (i.e., “apps”) are used to address mental health and are an increasingly popular method available to both individuals and organizations to manage workplace stress.
Silvana Weber   +2 more
doaj   +1 more source

Magnetoelectric Nanoparticle‐Based Wireless Brain–Computer Interface: Underlying Physics and Projected Technology Pathway

open access: yesAdvanced Science, EarlyView.
Magnetoelectric nanoparticles (MENPs) enable fully wireless, minutely invasive neuromodulation, and potentially neural recording, by converting magnetic into electric and, conversely, electric into magnetic fields, respectively, at high spatiotemporal resolution.
Elric Zhang   +14 more
wiley   +1 more source

Synchronization‐Dissipation in the Cardiorespiratory System

open access: yesAdvanced Science, EarlyView.
By modeling central nervous coupling and viscoelastic interactions in the cardiorespiratory system we show that synchronization produces a 10% gain in cardiac efficiency in humans. It is surmised that respiratory sinus arrhythmia improves cardiac pumping efficiency by reducing dynamic stress and power dissipation in the pulmonary vasculature.
Joshua R. Border   +3 more
wiley   +1 more source

Astrocytic FDX1 Contributes to Copper Dyshomeostasis‐associated Synaptic Dysfunction in Depression and Is Modulated by Exercise

open access: yesAdvanced Science, EarlyView.
Chronic stress disrupts copper homeostasis and promotes copper accumulation in the prelimbic cortex, leading to astrocytic FDX1 upregulation. Elevated astrocytic FDX1 impairs calcium signaling, induces structural atrophy, and disrupts synaptic function, contributing to depressive‐like behaviors. Physical exercise reverses these alterations by restoring
Lina Gao   +11 more
wiley   +1 more source

Optical Windows for Transcranial Brain Imaging in Living Mice: Skull Thinning, Clearing, and Beyond

open access: yesAdvanced Science, EarlyView.
Longitudinal, noninvasive in vivo imaging is crucial for studying brain physiology. Advances in transcranial optical windows and multiphoton microscopy have improved imaging depth, but their performance often deteriorates over time. This work investigated various transcranial window approaches and found that skull regrowth limits image quality.
Yiming Fu   +5 more
wiley   +1 more source

Palmitoylation of PSD‐95 Orchestrates Learning‐Dependent Metaplasticity in the Amygdala and Fear Memory

open access: yesAdvanced Science, EarlyView.
This study reveals that fear learning specifically triggers PICK1/DHHC2‐dependent palmitoylation of PSD‐95 in the lateral amygdala. Fear conditioning induces the dissociation of DHHC5 from PSD‐95 and the association of PSD‐95 with DHHC2. DHHC2‐mediated palmitoylation of PSD‐95 is required for synaptic transmission and underlies fear learning–induced ...
Zu‐Cheng Shen   +11 more
wiley   +1 more source

Apendicitis Aguda Causada por Cuerpo Extraño

open access: yesRevista Colombiana de Cirugía, 1990
Se presenta un caso de apendicitis aguda causada por incrustación de un gancho metálico en la pared del tercio medio del apéndice, en una mujer de 84 años, quien lo deglutió inadvertidamente.
Carlos S. Duque, Jorge E. Restrepo
doaj  

A rare culprit: Acute pancreatitis associated with anisakiasis

open access: yesIDCases
Acute pancreatitis is an uncommon but clinically significant manifestation of food allergy. We describe the case of a 72-year-old man with diabetes and hypertension who developed acute abdominal pain three hours after consuming raw flounder. On admission,
Fumiue Harada   +3 more
doaj   +1 more source

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